# Summary AI vs Study Clock Timer

The clearest difference is update cadence: Study Clock Timer at every 3 days against Summary AI's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Summary AI sells 2 in-app purchases, starting at $2.99 per 7 days and Study Clock Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Summary AI ships an update monthly, Study Clock Timer every 3 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Summary AI | Study Clock Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 9 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [AdSpark OU](https://appshunter.io/developer/1786861499) | [Tatsuya Kawasaki](https://appshunter.io/developer/562479077) |

## What reviewers say

### Summary AI

[App page](https://appshunter.io/ios/app/summary-ai-text-summarizer/id6502655489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Summariser PRO | $2.99 | per 7 days |
| Ai Summariser PRO | $6.99 | per year |


### 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 Summary AI free?

Summary AI 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 Summary AI or Study Clock Timer have ads?

Neither Summary AI nor Study Clock Timer shows ads.

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

Summary AI ships an update monthly, and Study Clock Timer every 3 days. Most recently, Summary AI was updated on September 21, 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.*