# Cycle KEEPER — A Sweet Sound Repeatable Timer

> Repetitive double timer for focus and breaks with sound and visual alerts. (iPhone/iPad app by MITSURU OMURA.)

- Source: https://appshunter.io/ios/app/cycle-keeper/id1477706835 (this page in markdown: same URL + `.md`)
- Developer: [MITSURU OMURA](https://appshunter.io/developer/1476823856)
- Category: Health & Fitness, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 10 MB
- Languages: English, Japanese, Spanish
- Released: 2019-09-21
- Data updated: 2026-06-08
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cycle-keeper/id1477706835/reviews.md

## What is Cycle KEEPER?

A Sweet Sound Repetitive Double Timer
You can use it like...
 - 4 set of “Concentration 25 min + Break 5 min” for repeat.
 - for Yoga, Stretch or Studying etc.

features
- 2 timer settings (max 99min 99sec + 99min 99sec)
- basic 3 sounds and additional 5 sound 
- flash screen notice
- vibration notice
- dark screen mode

recommendation
- Earphones and speakers will make the sound much better

notices
- While counting, your iPhone will NEVER turns off automatically
- It sounds even in silent mode
- This app works only in the foreground
- The accuracy of the time is NOT guaranteed

screen explanation
- 1st Time Count 
- 2nd Time & Loops Setting  + sound / flash / vibration 
- 3rd Sound Select 

If you have any questions, please visit the support site

## Key features

- Dual timer settings up to 99min 99sec
- Multiple sound and flash screen alerts
- Vibration notifications
- Dark screen mode
- Works in silent mode
- Prevents device auto-lock

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Sound Set-A Usage | $0.99 | one-time |
| Sound Set-B Usage | $0.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cycle-keeper/id1477706835/reviews.md

### 5/5 — Great app

*2025-01-26*

Great app for my purpose

## Frequently asked questions about Cycle KEEPER

### What is Cycle KEEPER used for?

Cycle KEEPER is a repetitive double timer designed for activities like studying, yoga, or stretching. It allows you to set custom intervals for focus and break periods, repeating them as needed.

### Can Cycle KEEPER alert me in silent mode?

Yes, Cycle KEEPER can sound alerts even when your device is in silent mode. This ensures you don't miss your timer notifications regardless of your device's sound settings.

### Does Cycle KEEPER prevent my iPhone from turning off?

Yes, while Cycle KEEPER is counting down, your iPhone will not turn off automatically. This feature is crucial for uninterrupted focus sessions.

### What kind of notifications does Cycle KEEPER offer?

Cycle KEEPER offers multiple notification options including basic and additional sounds, flash screen alerts, and vibration notices. You can customize these to suit your preferences.

### Is Cycle KEEPER available on Android devices?

Based on the provided data, Cycle KEEPER is currently supported on iPhone and iPod devices. Information regarding Android compatibility is not available.

### How accurate is the timing in Cycle KEEPER?

The app notes that the accuracy of the time is not guaranteed. For critical timing needs, it's advisable to use it as a guide rather than a precise scientific instrument.

### Does Cycle KEEPER have ads?

No, Cycle KEEPER does not contain advertisements. This provides an uninterrupted user experience.

### What is the update frequency for Cycle KEEPER?

The latest version of Cycle KEEPER was released on December 2, 2021. While the app is stable, there haven't been recent updates, suggesting a mature feature set.

## Version history (last 5 releases)

### 2.2 — 2021-12-02

In-app purchases have been removed.
All content will be available.

### 2.1 — 2020-08-11

Removal of direct links to support pages

### 2.0 — 2020-06-12

Dark mode is now supported.

### 1.09 — 2019-10-04

Modifying the design

### 1.08 — 2019-10-02

Ve 1.08 compatible with iOS 13
not support dark mode yet

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## More apps by MITSURU OMURA

- [Air Moon](https://appshunter.io/ios/app/air-moon/id1491631384)
- [Air Maze](https://appshunter.io/ios/app/air-maze/id1491631410)
- [Air Museum](https://appshunter.io/ios/app/air-museum/id1491637947)
- [Drag Calc](https://appshunter.io/ios/app/drag-calc/id1513398646)

All apps by MITSURU OMURA: https://appshunter.io/developer/1476823856

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*