# Flip Clock vs 爱测

The clearest difference is in-app purchases: 爱测 at none against Flip Clock's 1. 爱测 also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flip Clock sells 1 one-off in-app purchase. 爱测 asks for nothing beyond the download.

Flip Clock ships an update every 3 days, 爱测 every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flip Clock | 爱测 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/flip-clock-zen-focus-timer/id6762340795/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 15 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hai Nam Trinh](https://appshunter.io/developer/1139152400) | [浩 程](https://appshunter.io/developer/1802471091) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-zen-focus-timer/id6762340795)

Transform your device into a beautiful, distraction-free desk clock. This app offers a fullscreen flip clock experience with smooth animations, customizable themes, and built-in focus tools like Pomodoro timers. It's designed for deep concentration and quiet productivity, working fully offline without ads or tracking.

**Highlights:** Fullscreen flip clock with realistic animations, Built-in Pomodoro timer (Focus/Break/Cycles), Customizable themes and clock styles, Screen stays awake for desk use, Works fully offline, Subtle haptic feedback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $1.99 | one-time |


### 爱测

[App page](https://appshunter.io/ios/app/id6798240181)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flip Clock free?

Flip Clock is free to download, with in-app purchases available.

### Is 爱测 free?

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

### Do Flip Clock or 爱测 have ads?

Neither Flip Clock nor 爱测 shows ads.

### Which is updated more often, Flip Clock or 爱测?

Flip Clock ships an update every 3 days, and 爱测 every 6 days. Most recently, Flip Clock was updated on October 24, 2026 and 爱测 on October 25, 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.*