Simple Time Tracker Simple Stopwatch Simple List my smart tv Simple Battery Gemischrechner Simple Level Simple Ruler Simple Speed Simple Position Simple Light Simple Notes Simpe Draw Simple Altitude Simple Tel Simple Lamp Simple Cost Tracker Simple Solarwinkel Simple Unit Converter

General








Web App: Simple Time Tracker



Description: Simple Time Tracker helps you to track your weekly working time (or any other time). You can set start time, end time and duration of your break and calculate the summary for each day. The weekly overview keeps you up to date with the summaries for each day. Please read Important Saving Issues to prevent data loss.

Note: The development of the previous version Weekly Time Tracker has been stopped. Please use Simple Time Tracker instead.

Supported Devices: Simple Time Tracker should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (4.4 or higher, Chrome, Firefox). It should also run on Windows Phone devices but this has not been tested.

Legal: Simple Time Tracker is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details please see Terms of Use (License).


Load Web App https://time.cjpj.de

Screenshot Weekly Overview Screenshot Enter Time

Web App Details
Title:Simple Time Tracker
Version:2.7 - Release Date: 04.09.2020
Permissions:Internet connection - link to legal pages (not needed for function)
Stored Data:Start/end/break time for each weekday using localstorage
Web App URL:https://time.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Stopwatch



Description: Simple Stopwatch is a stopwatch with basic functions. You can select start/stop and set a split time. There is a large time display in landscape mode. The maximum stop time is 10 hours.

Important: Setting Display-Timeout to OFF will prevent your device from dimming and locking the screen. This can drain your battery.

Supported Devices: Simple Stopwatch should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (4.4 or higher, Chrome, Firefox). It should also run on Windows Phone devices but this has not been tested.

Legal: Simple Stopwatch is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details please see Terms of Use (License).


Load Web App https://sw.cjpj.de

Screenshot Simple Stopwatch Screenshot Simple Stopwatch

Web App Details
Title:Simple Stopwatch
Version:4.0 - Release Date: 12.08.2020
Permission:Internet connection - link to legal pages (not needed for function)
APIs:Screen wake lock API - set display timeout off
Stored Data:-
Web App URL:https://sw.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple List



Description: Simple List is a simple ToDo list with 4 list types. You can filter by list type and search for list items. You can also add often used items from a history list. Please read Important Saving Issues to prevent data loss.

Note: The development of the jQuery based version has been stopped. Please use this version instead.

Supported Devices: Simple List should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (5 or higher, Chrome, Firefox). It should also run on Windows Phone devices but this has not been tested.

Legal: Simple List is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details please see Terms of Use (License).


Load Web App https://list.cjpj.de

Screenshot List Items Screenshot Add List Item

Web App Details
Title:Simple List
Version:1.5 - Release Date: 10.10.2020
Permission:Internet connection - link to legal pages (not needed for function)
Stored Data:List item/type/date/time and last used items using localstorage
Web App URL:https://list.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: my smart tv



Description: my smart tv is a simple links list for German Media Libraries (Mediatheken), video on demand, video and news sites.

Supported Devices: my smart tv is a responsive website and optimized for displaying on tv screens but it can also be used on iPhones/iPads and Android devices. It should also run on Windows Phone devices but this has not been tested.

Legal: my smart tv is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details and external links please see Terms of Use (License) and Disclaimer.


Load Web App https://mystv.cjpj.de

my smart tv

Web App Details
Title:my smart tv
Release Date:26.01.2023
Permission:Internet connection - link to external pages
Stored Data:-
Web App URL:https://mystv.cjpj.de
Desktop icon QR Code for scan


Web App: Simple Battery



Description: Simple Battery shows basic information about your mobile device battery (Current Level, Charging Status). With Track Charging you can track how long it takes to charge your battery. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Battery only runs on Chrome on Android (5.X or higher). Firefox seems not to support battery level anymore. Chrome on Android seems not to support the charging/discharging time.

Legal: Simple Battery is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://bat.cjpj.de

Screenshot Start Screen Screenshot Tracked Chargings

App Details
Title:Simple Battery
Version:4.3 - Release Date: 10.10.2020
Permission:Internet connection - link to legal pages (not needed for function)
APIs:navigator.getBattery - get battery status
Stored Data:Charging date/time/level/duration using localstorage
if track charging is activated
Web App URL:https://bat.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Gemischrechner



Beschreibung: Gemischrechner (only German version available) ermittelt die Mengen für 2Takt Öl - Benzin Gemische. Für gängige Mischungsverhältnisse können Benzin-/Ölmengen berechnet oder aus einer Tabelle entnommen werden.

Unterst. Geräte: Gemischrechner sollte auf iPhone/iPads (ab iOS11.3, Safari) und Android Systemen (ab 4.4, Chrome, Firefox) funktionieren. Es müsste auch auf Windows Phone Geräten laufen aber das wurde nicht getestet.

Nutzungsbedingungen: Gemischrechner ist kostenlos. Keine Gewähr für Richtigkeit der bereitgestellten Informationen! Benutzung auf eigene Gefahr. Werte sind gerundet. Weitere Details unter Nutzungsbedingungen (Lizenz) und Haftungsbeschränkung.


Load Web App https://mix.cjpj.de

Screenshot Berechnung Screenshot Tabelle

App Details
Title:Gemischrechner
Version:4.0 - Release Date: 15.10.2023
Permission:Internet connection - link to legal pages (not needed for function)
Stored Data:-
Web App URL:https://mix.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Level



Description: Simple Level can be used as simple spirit level on devices with a gyro sensor (gyroscope). Devices should have a flat back side. There is a circular and a tubular mode available, depending on device orientation. Please Calibrate before use. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Level works best with Chrome on Android 5.X or higher. For Safari (iOS13 and later) you have to calibrate and grant the Motion&Orientation access. Safari, Firefox do not support tubular mode.

Legal: Simple Level is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://lev.cjpj.de/

Screenshot Simple Level

App Details
Title: Simple Level
Version:5.2 - Release Date: 22.04.2023
Permission:Internet connection - link to legal pages (not needed for function)
Motion&Orientation access - Grant required for iOS13+
APIs:deviceOrientationEvent - get orientation
Stored Data:Calibration values/date/time using localstorage
Web App URL:https://lev.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Ruler



Description: Simple Ruler can be used to measure short length with a ruler on your screen. Landscape mode is highly recommended. Please Calibrate before use by measuring your horizontal screen width in landsscape mode with a real ruler. Verify the result after calibrating with a real ruler. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Ruler works best on Android 5.X or higher with Chrome. You should create an icon on your start screen and launch the web app in full screen mode.

Legal: Simple Ruler is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://rul.cjpj.de

Screenshot Simple Ruler

App Details
Title: Simple Ruler
Version:3.6 - Release Date: 10.10.2020
Permission:Internet connection - link to legal pages (not needed for function)
Stored Data:Calibration date/time/value/unit using localstorage
Web App URL:https://rul.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Speed



Description: Simple Speed measures your current speed in km/h (kilometer per hour) or mph (miles per hour). You can also track you max. speed. A device with activated GPS is required.

Important: Setting Display-Timeout to OFF will prevent your device from dimming and locking the screen. This can drain your battery.

Supported Devices: Simple Speed should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (4.4 or higher, Chrome, Firefox). Switching off the display-timeout will only work on newer Android devices.

Legal: Simple Speed is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://speed.cjpj.de

Screenshot Simple Speed

App Details
Title: Simple Speed
Version:4.0 - Release Date: 12.08.2020
Permission:Internet connection - link to legal pages (not needed for function)
precise Location (GPS and network-based)
APIs:Geolocation API - get position
Screen wake lock API - set display timeout off
Stored Data:-
Web App URL:https://speed.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Position



Beschreibung: Simple Position (only German version available) ermittelt die geograph. Breite und Länge in Dezimalgrad (5stellig gerundet). Gerät mit aktiviertem Standortdienst wird benötigt. Die Position kann auf Karte gezeigt oder per externer Anwendung gesendet bzw. geteilt werden (jeweils als externe Links zu Google Maps).

Wichtig: Google Maps ist nicht in diese App integriert, sondern wird nur als externe Webseite aufgerufen und die Position übergeben

Unterst. Geräte: Simple Position sollte auf Android Systemen (ab 6, Chrome) und iPhones/iPads (iOS12.2 oder höher, Safari) funktionieren. Firefox, ältere iPhones und ältere Android Geräte unterstützen die Senden/Teilen Funktion nicht.

Nutzungsbedingungen: Simple Position ist kostenlos. Keine Gewähr für Funktion oder Richtigkeit der bereitgestellten Informationen! Benutzung auf eigene Gefahr. Werte sind gerundet. Weitere Details unter Nutzungsbedingungen (Lizenz) und Haftungsbeschränkung.


Load Web App https://pos.cjpj.de

Screenshot Simple Position Screenshot mit Position

App Details
Title:Simple Position
Version:4.4 - Release Date: 05.09.2020
Permission:Internet connection - Link auf Maps Seite
genauer Standort (GPS and network-based)
APIs:Geolocation API - Positionsermittlung
Web Share API - Positionsübergabe
Stored Data:-
Web App URL:https://pos.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Light



Description: Simple Light just shows different color lights on your screen. You can set color, size, blinking mode and deactivate the display-timeout. It also shows the current battery level.

Important: Deactivation of display-timeout can drain your battery. Deactivation is done by a workaround (playing a preloaded, invisible, small video in a loop).

Supported Devices: Simple Light should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (5.0 or higher, Chrome, Firefox). It should also run on newer Windows Phone devices but this has not been tested. No Battery level support for iOS and Windows Phone. Firefox seems not to support battery level anymore.

Legal: Simple Light is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://light.cjpj.de

Screenshot Colors Screenshot Size

App Details
Title:Simple Light
Version:3.2 - Release Date: 12.09.2020
Permission:Internet connection - link to legal pages (not needed for function)
APIs:navigator.getBattery - get battery status
Stored Data:-
Web App URL:https://light.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Notes



Description: Simple Notes just offers you a fast and easy way to keep your text notes. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Notes should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (4.4 or higher, Chrome, Firefox). It should also run on newer Windows Phone devices but this has not been tested (Win Phone 8.1 seems to have problems to edit a note).

Legal: Simple Notes is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://notes.cjpj.de

Screenshot Simple Notes Screenshot View/Edit Note

App Details
Title:Simple Notes
Version:3.7 - Release Date: 10.10.2020
Permission:Internet connection - link to legal pages (not needed for function)
APIs:Web Share Target API - receive Share Info
Stored Data:Notes text/date/time using localstorage
Web App URL:https://notes.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Draw



Description: Simple Draw is a simple drawing app with basic functions. You can select different colors and shapes from the menu. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Draw should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (4.4 or higher, Chrome, Firefox). It should also run on Windows Phone devices but this has not been tested.

Legal: Simple Draw is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for correctness and completeness of the information provided. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://draw.cjpj.de

Screenshot Simple Draw Screenshot Edit Drawing

App Details
Title: Simple Draw
Version:2.6 - Release Date: 10.10.2020
Permission:Internet connection - link to legal pages (not needed for function)
Stored Data:Drawings (SVG) using localstorage
Web App URL:https://draw.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Altitude



Description: Simple Altitude shows the height of the position above the mean sea level in meters or feet (measured via GPS, integer rounded). You can save an altitude and show the delta (difference) to your current altitude. Please read Important Saving Issues to prevent data loss

Important: If GPS signal is too low just wait a few seconds. If GPS signal is still too low (e.g. in a building) try to get a better signal outside, press Reset and try again.

Supported Devices: Simple Altitude should run on iPhones/iPads (iOS11.3 or higher, Safari) and Android devices (5 or higher, Chrome, Firefox). On Android devices altitude accuracy may not to be supported and the height deviation seems to be larger. For some devices, the altitude may not be supported at all.

Legal: Simple Altitude is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy of displayed information. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://alti.cjpj.de

Screenshot Simple Altitude Meter Screenshot Simple Altitude Feet

App Details
Title: Simple Altitude
Version:1.7 - Release Date: 16.02.2023
Permission:Internet connection - link to legal pages (not needed for function)
precise Location (GPS and network-based)
APIs:Geolocation API - get position
Stored Data:Saved altitude in meter, timestamp using localstorage
Web App URL:https://alti.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Tel



Beschreibung: Simple Tel (only German Version) ermöglicht die einfache Wahl einer Telefonnummer. Bis zu fünf große Buttons mit Namen und Telefonnummer sind konfigurierbar. Bei Button Klick wird die Telefonnummer an die Telefon App des Handys übergeben. Der Anruf erfolgt dann wie gewohnt über die Telefon App. Über eine Schutzansicht kann die Button-Konfiguration aus- und eingeblendet werden (auf Startseite 3 Sek. oben auf Simple Tel drücken). Zur Vermeidung von Datenverlust bitte Wichtige Speicherhinweise lesen.

Wichtig: Bitte keine Testanrufe von Notrufnummern durchführen! Leider ist das Testen von Notrufnummern (z.B. 110, 112) nicht möglich, da es sich im gesetzlichen Sinne um einen Missbrauch der Notrufnummern handelt und strafrechtlich durch die Behörden verfolgt werden kann.

Unterst. Geräte: Simple Tel sollte auf Android Systemen (ab 6, Chrome) und iPhones/iPads (iOS12.2 oder höher, Safari) funktionieren.

Nutzungsbedingungen: Simple Tel ist kostenlos. Keine Gewähr für Funktion oder Richtigkeit der bereitgestellten Informationen! Benutzung auf eigene Gefahr. Weitere Details unter Nutzungsbedingungen (Lizenz).


Load Web App https://tel.cjpj.de

Screenshot Simple Tel Screenshot Buttons konfigurieren

App Details
Title: Simple Tel
Version:1.3 - Release Date: 04.12.2021
Permission:Internet connection - link to legal pages (not needed for function)
APIs:Aufruf Telefon Funktion über tel: URL
Stored Data:Name und Telefonnummer über localstorage
Web App URL:https://tel.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Lamp



Description: Simple Lamp is a simple pocket lamp using the camera flash light of your device. There is also a blink and a hold mode. A warning appears if battery level is below 25%. You have to grant camera access after first start.

Supported Devices: Simple Lamp only runs in Chrome on Android devices (Version 8 or higher). Device must have a camera with a camera light.

Note: As you can not directly access the camera light with JS this web app uses a workaround. MediaDevices function and ImageCapture are used to switch the lamp on and off. This can be considered as experimental.

Legal: Simple Lamp is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy or function. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://lamp.cjpj.de

Screenshot Simple Lamp Screenshot Simple Lamp

App Details
Title:Simple Lamp
Version:1.0 - Release Date: 15.12.2020
Permission: Camera - accessing the device lamp
Internet connection - link to legal pages (not needed for function)
APIs:navigator.mediaDevices - get camera functions for lamp
navigator.getBattery - get battery status
Stored Data:-
Web App URL:https://lamp.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Cost Tracker



Description: Simple Cost Tracker helps you to track your daily costs. You can choose different cost types and show statistics about your expenses. Please read Important Saving Issues to prevent data loss.

Supported Devices: Simple Cost Tracker should run on iPhones/iPads (iOS12.2 or higher, Safari) and Android devices (8 or higher, Chrome, Firefox).

Legal: Simple Cost is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy or function. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://cost.cjpj.de

Screenshot Simple Cost Tracker Screenshot Simple Cost Tracker

App Details
Title:Simple Cost Tracker
Version:3.1alpha - Release Date: 16.01.2023
Permission:Internet connection - link to legal pages (not needed for function)
Stored Data:Cost type/date/value using localstorage
Web App URL:https://cost.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Solarwinkel



Beschreibung: Simple Solarwinkel (only German version available) berechnet den optimalen Azimutwinkel und Neigungswinkel für Photovoltaik (PV) Solarpanels am aktuellen Standort über Breiten- und Längerad für Datum und Uhrzeit. Die Sonnenstrahlen treffen dann genau rechtwinklig auf die Solarpanel-Fläche. Die Ergebnisse sind ganzahlig gerundet.

Der Neigungswinkel ist der Winkel des PV Solarpanels zum Boden. In der Photovoltaik ist der Azimutwinkel des PV Solarpanels die Abweichung von der optimalen Südausrichtung. Zusätzlich werden die astronomischen Sonnenwinkel Azimut und Elevation berechnet.

Hinweis: Die Berechnungsgrundlagen stammen aus dem YouTube Video 'Berechnung der Sonnenposition' der Fachhochschule Ostschweiz.

Unterst. Geräte: Simple Solarwinkel sollte auf Android Systemen (ab 8, Chrome) und iPhones/iPads (iOS12 oder höher, Safari) funktionieren.

Nutzungsbedingungen: Simple Solarwinkel ist kostenlos. Keine Gewähr für Funktion oder Richtigkeit der bereitgestellten Informationen! Benutzung auf eigene Gefahr. Werte sind gerundet. Weitere Details unter Nutzungsbedingungen (Lizenz) und Haftungsbeschränkung.


Load Web App https://solar.cjpj.de

Screenshot Simple Solarwinkel Screenshot mit Winkel

App Details
Title:Simple Solarwinkel
Version:0.3 - Release Date: 24.01.2023
Permission:Internet connection - link to legal pages (not needed for function)
Genauer Standort (GPS and network-based)
APIs:Geolocation API - Positionsermittlung
Stored Data:-
Web App URL:https://solar.cjpj.de
OS Licenses:Simple App Shell under The MIT License (MIT)
Desktop icon QR Code for scan


Web App: Simple Unit Converter



Description: Simple Unit Converter converts the most common units. Please use decimal point as decimal separator. Max. input length is 15 digits (with decimal point).

You can also convert the common GPS position values. Position values are always roundet to 6 digits (decimal values) or 3 digits (minute, second values). Button Prefixes shows a table with metric prefixes.

Note: OpenStreetMap is not integrated into this web app. It is only called up as an external website and the position is passed.

Supported Devices: Simple Unit Converter should run on iPhones/iPads (iOS12.2 or higher, Safari) and Android devices (8 or higher, Chrome, Firefox).

Legal: Simple Unit Converter is free of charge. It is provided 'as is', without warranty of any kind. No guarantee for accuracy or function. Use at your own risk. For details please see Terms of Use (License) and Disclaimer.


Load Web App https://unit.cjpj.de

Screenshot Simple Unit Converter Screenshot Result Page

App Details
Title:Simple Unit Converter
Version:0.1 - Release Date: 14.04.2023
Permission:Internet connection - link to legal pages (not needed for function) and to OpenStreetMap
APIs:Open Location Code JavaScript API
Stored Data:-
Web App URL:https://unit.cjpj.de
OS Licenses: Simple App Shell under The MIT License (MIT)
Open Location Code JavaScript API, Copyright 2014 Google Inc. All rights reserved. Licensed under the Apache License, Version 2.0 (the 'License'), http://www.apache.org/licenses/LICENSE-2.0
OpenStreetMap under Open Data Commons Open Database Lizenz (ODbL)
Desktop icon QR Code for scan