# Eye blink detection vs Donut timer

The clearest difference is in-app purchases: Eye blink detection at none against Donut timer's 1. Donut timer's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Donut timer sells 1 one-off in-app purchase. Eye blink detection asks for nothing beyond the download.

Eye blink detection ships an update every 2 weeks, Donut timer every 5 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Eye blink detection | Donut timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/eye-blink-detection/id6502569148/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 4 MB |
| Requires iOS | 17.7.2 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Hiroyuki Kako](https://appshunter.io/developer/1581721316) |

## What reviewers say

### Eye blink detection

[App page](https://appshunter.io/ios/app/eye-blink-detection/id6502569148)

This utility app monitors and displays your blinking activity in real-time. It shows your current blink status and counts the total number of blinks detected on the screen.

**Highlights:** Real-time blink detection, Displays blink status, Counts blinks, On-screen display

**Features:** macOS Compatibility

**In-app purchases:** none


### Donut timer

[App page](https://appshunter.io/ios/app/donut-timer/id6743337777)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告永久削除 | $2.99 | one-time |


## Frequently asked questions

### Is Eye blink detection free?

Eye blink detection is free to download, with no in-app purchases.

### Is Donut timer free?

Donut timer is free to download, with in-app purchases available.

### Do Eye blink detection or Donut timer have ads?

Both Eye blink detection and Donut timer show ads.

### Which is updated more often, Eye blink detection or Donut timer?

Eye blink detection ships an update every 2 weeks, and Donut timer every 5 days. Most recently, Eye blink detection was updated on October 11, 2026 and Donut timer on October 1, 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.*