# Studio Clock vs Ruler Studio

The clearest difference is in-app purchases: Studio Clock at none against Ruler Studio's 1. Studio Clock also leads on update cadence (every 3 days vs every 6 weeks). Ruler Studio's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

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

Studio Clock ships an update every 3 days, Ruler Studio every 6 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Studio Clock | Ruler Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 1 MB | 19 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Noah Patrick Redeker](https://appshunter.io/developer/1796112418) | [Spyridon Bousios](https://appshunter.io/developer/1168309944) |

## What reviewers say

### Studio Clock

[App page](https://appshunter.io/ios/app/studio-clock-studio-uhr/id6741894183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruler Studio

[App page](https://appshunter.io/ios/app/ruler-studio/id6777489772)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Studio Clock free?

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

### Is Ruler Studio free?

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

### Do Studio Clock or Ruler Studio have ads?

Neither Studio Clock nor Ruler Studio shows ads.

### Which is updated more often, Studio Clock or Ruler Studio?

Studio Clock ships an update every 3 days, and Ruler Studio every 6 weeks. Most recently, Studio Clock was updated on October 2, 2026 and Ruler Studio on October 10, 2026.

---

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