# Timer4 vs 特拉拉儀表板

The clearest difference is ads: Timer4 at none against 特拉拉儀表板's shown. 特拉拉儀表板's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Timer4 sells 1 one-off in-app purchase and 特拉拉儀表板 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Timer4 ships an update every 3 weeks, 特拉拉儀表板 every 2 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Timer4 | 特拉拉儀表板 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/timer4-gravity-timer/id6755321732/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 28 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Goateraction](https://appshunter.io/developer/1647805479) | [Shan-Chun Hu](https://appshunter.io/developer/6773007974) |

## What reviewers say

### Timer4

[App page](https://appshunter.io/ios/app/timer4-gravity-timer/id6755321732)

This app offers a unique timer experience by automatically adjusting countdown durations based on your device's orientation. Simply rotate your phone to switch between preset intervals with a physics-driven interface and immersive haptic feedback.

**Highlights:** Physics-based interface, Instant duration switching via rotation, Smart motion detection, Immersive haptic feedback, Customizable timer presets, Intuitive orientation control

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### 特拉拉儀表板

[App page](https://appshunter.io/ios/app/id6795512482)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 月繳 | $3.99 | per month |
| Premium 年繳 | $29.99 | per year |


## Frequently asked questions

### Is Timer4 free?

Timer4 is free to download, with in-app purchases available.

### Is 特拉拉儀表板 free?

特拉拉儀表板 is free to download, with in-app purchases available.

### Do Timer4 or 特拉拉儀表板 have ads?

特拉拉儀表板 shows ads; Timer4 does not.

### Which is updated more often, Timer4 or 特拉拉儀表板?

Timer4 ships an update every 3 weeks, and 特拉拉儀表板 every 2 weeks. Most recently, Timer4 was updated on October 9, 2026 and 特拉拉儀表板 on October 12, 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.*