# Study Clock vs Study Clock Timer

The clearest difference is ads: Study Clock Timer at none against Study Clock's shown. Study Clock Timer also leads on update cadence (every 3 days vs every 3 weeks). Study Clock's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Study Clock sells 1 one-off in-app purchase and Study Clock Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Study Clock ships an update every 3 weeks, Study Clock Timer every 3 days. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Study Clock | Study Clock Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 28 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SnowdropSoft](https://appshunter.io/developer/1541796403) | [Tatsuya Kawasaki](https://appshunter.io/developer/562479077) |

## What reviewers say

### Study Clock

[App page](https://appshunter.io/ios/app/study-clock-deep-focus-timer/id6756950093)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Study Clock Timer

[App page](https://appshunter.io/ios/app/study-clock-timer/id6780480380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a drink | $2.99 | one-time |


## Frequently asked questions

### Is Study Clock free?

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

### Is Study Clock Timer free?

Study Clock Timer is free to download, with in-app purchases available.

### Do Study Clock or Study Clock Timer have ads?

Study Clock shows ads; Study Clock Timer does not.

### Which is updated more often, Study Clock or Study Clock Timer?

Study Clock ships an update every 3 weeks, and Study Clock Timer every 3 days. Most recently, Study Clock was updated on September 15, 2026 and Study Clock Timer on September 18, 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.*