The latest version of NER Cycle App APK (v0.4.0) is available to download. Local cycle evaluation per the NER rules (Rötzer) — data stays on device. This app works on Android phones and tablets.
About NER Cycle App APK
This app helps you track menstrual-cycle symptoms day by day and evaluate your records manually following the NER rules (Rötzer), in the spirit of INER. The evaluation stays with you: you place every mark on the cycle chart yourself. The app only does the arithmetic you would otherwise do by hand — the baseline drawn from the six prior low measurements, counts, lines, and statistics (cycle and phase lengths). It computes and displays; it never suggests and never decides. For a reliable interpretation of fertility you need knowledge of the method — from a textbook or a course. The app is in beta: storage and evaluation are stable, but screens, controls, and features are still being revised, and the name, icon, and colour scheme are not final. Data loss cannot be ruled out entirely — export your data regularly and before every update via Export in the settings. Features: • All your data stays on the device — no cloud,…
NER Cycle App APK was developed by Benedikt Burger and is available under the Apache-2.0 open-source license. This means the source code is public and anyone can inspect it. If you like Health Manager apps, you can also browse more apps in this category.
NER Cycle App APK Information
| App Name | NER Cycle App |
| Package | io.github.benediktburger.cycleapp |
| Version | 0.4.0 |
| Size | 25 MB |
| Requires | Android 7.0 and up |
| Category | Health Manager |
| Developer | Benedikt Burger |
| License | Apache-2.0 |
| Source | F-Droid |
| Last Updated | October 27, 2026 |
Download NER Cycle App APK v0.4.0
How to Install NER Cycle App APK on Android
- Download the NER Cycle App APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open NER Cycle App from your app drawer.
Why Download NER Cycle App APK from Here?
We link NER Cycle App APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest NER Cycle App APK.
Frequently Asked Questions
Is NER Cycle App APK free?
Yes, NER Cycle App APK is free and available under the Apache-2.0 open-source license.
Is NER Cycle App APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does NER Cycle App APK need?
NER Cycle App APK requires Android 7.0 and up to run.
What is the latest version of NER Cycle App APK?
The latest version is 0.4.0, updated on October 27, 2026.
Official page: NER Cycle App official website / source
