# BlueTem vs Timer4

The clearest difference is in-app purchases: BlueTem at none against Timer4's 1. BlueTem also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (16.1 vs 26.1). On price, ads and device support there is nothing between them.

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

BlueTem ships an update every 3 days, Timer4 every 4 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BlueTem | Timer4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (5 ratings)](https://appshunter.io/ios/app/timer4-gravity-timer/id6755321732/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 4 MB |
| Requires iOS | **16.1** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BlueTem Software GmbH](https://appshunter.io/developer/972664686) | [Goateraction](https://appshunter.io/developer/1647805479) |

## What reviewers say

### BlueTem

[App page](https://appshunter.io/ios/app/bluetem-chat/id6746445619)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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, iPhone Duo support

**In-app purchases (1)**

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


## Frequently asked questions

### Is BlueTem free?

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

### Is Timer4 free?

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

### Do BlueTem or Timer4 have ads?

Neither BlueTem nor Timer4 shows ads.

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

BlueTem ships an update every 3 days, and Timer4 every 4 weeks. Most recently, BlueTem was updated on October 25, 2026 and Timer4 on October 28, 2026.

---

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