Digital exercise book

7.7 GrabCam Permission Fix

Robert Stöhr

3.15

787 reviews

1,000,000+
Downloads

Free

Drawing and sketching like in the school.

Screenshots by Robert Stöhr, from the Google Play listing

View on Google Play

AppBrain's verdict

EstablishedPopular

Rating on Google Play: 3.15; 787 ratings
Installs: 1.1 million
Last updated: September 22, 2026
Ads: No ads
Size: 1.79 MB

Digital exercise book is popular, with 1.1 million installs. Users are divided: 3.2 stars from 787 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Digital exercise book for Android

★★★★☆ Rithuwan Nasir · Mar 13, 2022

I am an S pen user. Very useful app and it's free. Just need to spend sometimes to familiarized with its features.

★★★★☆ Grigory Mechetin · Aug 31, 2021

Different grid formats (cell, line), different thickness, transparency and colors palette - all well, such instruments as L-square and compass - excellent, but absence of undo button and German GUI only-bad. 4 stars because of 2 last factors. If developers add this functions all will be excellent. Also, it would be great if developers would add such instruments as vector line, triangle, cercle and rectangle

★★★★☆ Sampurna Basu · Oct 9, 2021

If the zoom and adding photo option was there I would give it 5 star. Here is a trick for zooming Go to settings 》 accessibility 》 turn on magnification. U can zoom anywhere you want. Except that it's a wonderful app. It is even helpful for students. I am a student. Thanks for reading.

★★☆☆☆ Meera A · Sep 9, 2019

It's just like a white board to write on. You can't add pictures to the notes. Plus, the lack of English language makes it a little harder to maneuver around the app.

★☆☆☆☆ Brandon Byers · Jul 12, 2019

It erased most of my work! 95% completed and it changed view suddenly and poof! ...all my measurements are gone! App has potential, but should have auto save for issues like this.

★★☆☆☆ Opus · Apr 8, 2026

Ink notepad. Usable but not good features.

★☆☆☆☆ Diogenes crow · Aug 11, 2021

It is finicky buggy and counterintuitive

Google Play Rating history and histogram

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Store listing

By Robert Stöhr, from Google Play

Description by Robert Stöhr Written by the developer, not by AppBrain. Click to read.

This app aims to enable digital exercise book management for school lessons. I started programming it many years ago because I couldn't find an app for my geometry lessons that allowed me to carry out constructions like in a school exercise book. The focus of the app is on creating exercise book entries, just as you would with an analogue exercise book and the usual utensils you have in your pencil case. Accordingly, there are no countless setting options that only distract and waste time. All exercise books are saved locally on the device and no usage data is collected so that the app can also be used in a school environment in compliance with data protection regulations. The app can be used free of charge without annoying adverts. Since 2025, however, it has also been possible to support the development of the app financially.

Recent changes:
Fixed a crash when accessing the camera.

Safety and technology

Found in the app by AppBrain

Ads: No ads
Price: Free
Libraries: 15
App size: 1.79 MB
Content rating: Everyone

Technologies used by Digital exercise book

5 permissions · 15 libraries

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Releases

Updates seen on Google Play

Version: 7.7 GrabCam Permission Fix
Launched: February 2017

Sep 22, 2026UpdateVersion 7.7 GrabCam Permission Fix
Aug 30, 2026UpdateVersion 7.6 Jahresabo
May 25, 2026UpdateVersion 7.3 Tutorial
Apr 15, 2026UpdateVersion 7.2 Minor Optimations
Mar 29, 2026Installs1,000,000+ installs

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Installs

Tracked by AppBrain

Last 30 days: 4.9 thousand
Per day: 160; 30-day average
Play install range: 1+ million
Launched: February 2017

Installs over time

Digital exercise book has been installed 1.1 million times. Over the past 30 days, it averaged 160 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Digital exercise book

This app is not ranked

About the app and developer

About Digital exercise book

Digital exercise book is an education app developed by Robert Stöhr.

Install Statistics

Digital exercise book has been installed 1.1 million times. In the last 30 days, the app was installed 4.9 thousand times.

User Ratings

Digital exercise book is rated 3.15 out of 5 stars. The rating is based on 790 ratings.

App Information

Digital exercise book is freely available from Google Play. The app size is 1.79 MB. The latest version available is 7.7 GrabCam Permission Fix. The last update was on September 22, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since February 2017.

Digital exercise book is made and published by Robert Stöhr. AppBrain is an independent app data site and isn't affiliated with Robert Stöhr. The app name, icon, screenshots and description belong to Robert Stöhr and are shown as published on Google Play.

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Developer information for Robert Stöhr

Robert Stöhr

info@digitales-schulheft.de

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