# Countdown Flow vs Turninn

The clearest difference is update cadence: Countdown Flow at every 2 days against Turninn's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Countdown Flow ships an update every 2 days, Turninn every 9 days. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Countdown Flow | Turninn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 1 MB | 1 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Calvin Schumbera](https://appshunter.io/developer/1714469992) | [伟秀 吴](https://appshunter.io/developer/1805404454) |

## What reviewers say

### Countdown Flow

[App page](https://appshunter.io/ios/app/countdown-flow/id6745511538)

**Features:** macOS Compatibility

**In-app purchases:** none


### Turninn

[App page](https://appshunter.io/ios/app/turninn-sleep-countdown/id6762631934)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Flow free?

Countdown Flow is free to download, with no in-app purchases.

### Is Turninn free?

Turninn is free to download, with no in-app purchases.

### Do Countdown Flow or Turninn have ads?

Neither Countdown Flow nor Turninn shows ads.

### Which is updated more often, Countdown Flow or Turninn?

Countdown Flow ships an update every 2 days, and Turninn every 9 days. Most recently, Countdown Flow was updated on September 20, 2026 and Turninn on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*