---
title: "iButtonCycle - Reviews, Revenue and Downloads in Belgium | Apple App Store"
description: "Die App dient zur Datenerfassung bei Anwendung der Methode "natürliche Familienplanung" (NFP). Die App erlaubt die Eingabe von Zyklusdaten wie Basaltemperatur, Beschaffenheit des Zervixschleims, Sympt"
---

# iButtonCycle — Belgium

![iButtonCycle App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/58/d0/a1/58d0a119-6402-9041-4f17-51682f642c8b/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Felix Salfner](https://apptail.io/developer/felix-salfner-mgyd)
**Category:** Health Fitness
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** de.salfner.biolog
**Store:** Apple App Store
**Country:** Belgium
**Version:** 2.12.0 (released 2025-12-13)
**Original Release:** 2023-01-02
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/be/app/app/id1621932298)
**AppTail Page:** [https://apptail.io/app/ibuttoncycle-BfJk/belgium](https://apptail.io/app/ibuttoncycle-BfJk/belgium)

## iButtonCycle Description
Die App dient zur Datenerfassung bei Anwendung der Methode "natürliche Familienplanung" (NFP). Die App erlaubt die Eingabe von Zyklusdaten wie Basaltemperatur, Beschaffenheit des Zervixschleims, Symptome wie Nachtschweiß und auch angewendete Verhütungsmethoden.

Bitte konsultieren Sie zusätzlich zur App einen Arzt, bevor Sie eine medizinische Entscheidung treffen.

## iButtonCycle Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/aa/52/3f/aa523f94-4daa-0667-064a-e545ca68a4db/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.20.46.png/2064x2752.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c8/c6/e9/c8c6e98d-112c-245b-e7e1-e16ba2909d8e/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.20.54.png/2064x2752.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/95/cb/fa/95cbfa83-5913-5c84-5e9d-688e08d92339/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.20.57.png/2064x2752.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c3/17/1d/c3171d27-57fd-6d8e-ae83-f6c3320c6074/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.21.04.png/2064x2752.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/59/10/6d/59106d75-3b5e-06e7-6d7c-d71e56329f09/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.21.10.png/2064x2752.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0d/75/9c/0d759c07-86b9-63b6-39cc-84eb36839155/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.21.43.png/2064x2752.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/55/f3/f3/55f3f39f-af0c-2e2a-c1d8-ab6e92a524db/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M4_U0029_-_2025-05-25_at_13.21.22.png/2064x2752.png)







## iButtonCycle Available In
- [Belgium](https://apptail.io/app/ibuttoncycle-BfJk/belgium)
- [Switzerland](https://apptail.io/app/ibuttoncycle-BfJk/switzerland)

---

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