# Timer4 vs Decido

The clearest difference is in-app purchases: Decido at none against Timer4's 1. Decido also leads on update cadence (every 11 days vs every 3 weeks) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

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

Timer4 ships an update every 3 weeks, Decido every 11 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Timer4 | Decido |
| --- | --- | --- |
| 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 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 48 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Goateraction](https://appshunter.io/developer/1647805479) | [Benson Chang](https://appshunter.io/developer/1893860503) |

## 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 |


### Decido

[App page](https://appshunter.io/ios/app/decido-ai-pick-for-you/id6762344314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Timer4 free?

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

### Is Decido free?

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

### Do Timer4 or Decido have ads?

Neither Timer4 nor Decido shows ads.

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

Timer4 ships an update every 3 weeks, and Decido every 11 days. Most recently, Timer4 was updated on October 9, 2026 and Decido on October 3, 2026.

---

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