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Concentrator is made and published by Johannes Loeffler. AppBrain is an independent app data site and isn't affiliated with Johannes Loeffler. The app name, icon, screenshots and description belong to Johannes Loeffler and are shown as published on the App Store.
About Concentrator
Concentrator was an education app developed by Johannes Loeffler. It was removed from the App Store Mar 14, 2026.
User Ratings
Concentrator was rated 5.00 out of 5 stars, based on one rating ratings.
App Information
Concentrator was free. The app size was 879.00 kB. The last available version was 2.0. The last update was on March 10, 2025.
Technical Requirements
The app had a content rating of Everyone. The app had been available on the App Store since February 2025.
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Changelog of Concentrator
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Developer information for Johannes Loeffler
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