# Timer4 vs GravityTimer

The clearest difference is in-app purchases: GravityTimer at none against Timer4's 1. GravityTimer also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Timer4 sells 1 one-off in-app purchase. GravityTimer asks for nothing beyond the download.

Timer4 ships an update every 3 weeks, GravityTimer every 6 weeks. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Timer4 | GravityTimer |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 3 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Goateraction](https://appshunter.io/developer/1647805479) | [宣威 查](https://appshunter.io/developer/1503125409) |

## 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 |


### GravityTimer

[App page](https://appshunter.io/ios/app/gravitytimer/id6757189175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Timer4 free?

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

### Is GravityTimer free?

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

### Do Timer4 or GravityTimer have ads?

Neither Timer4 nor GravityTimer shows ads.

### Which is updated more often, Timer4 or GravityTimer?

Timer4 ships an update every 3 weeks, and GravityTimer every 6 weeks. Most recently, Timer4 was updated on October 9, 2026 and GravityTimer 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.*