# Adaa Clock vs Summary AI

The clearest difference is in-app purchases: Adaa Clock at none against Summary AI's 2. Adaa Clock also leads on iOS requirement (15.5 vs 26.0). Summary AI's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Summary AI sells 2 in-app purchases, starting at $5.99 per month. Adaa Clock asks for nothing beyond the download.

Adaa Clock ships an update every 2 months, Summary AI every 3 weeks. The most recent releases landed on September 26, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Adaa Clock | Summary AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 132 MB | 43 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatweer Educational Technologies](https://appshunter.io/developer/1274975047) | [Manthan Prajapati](https://appshunter.io/developer/1851010143) |

## What reviewers say

### Adaa Clock

[App page](https://appshunter.io/ios/app/adaa-clock/id6479605500)

**Features:** macOS Compatibility

**In-app purchases:** none


### Summary AI

[App page](https://appshunter.io/ios/app/summary-ai-notes-and-summarize/id6759404214)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro monthly | $5.99 | per month |
| pro yearly | $12.99 | per year |


## Frequently asked questions

### Is Adaa Clock free?

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

### Is Summary AI free?

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

### Do Adaa Clock or Summary AI have ads?

Neither Adaa Clock nor Summary AI shows ads.

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

Adaa Clock ships an update every 2 months, and Summary AI every 3 weeks. Most recently, Adaa Clock was updated on September 26, 2026 and Summary AI on October 9, 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.*