# จันทรา vs U

The clearest difference is iOS requirement: จันทรา at 13.0 against U's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | จันทรา | U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 29 MB | 103 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Secretariat of the Senate](https://appshunter.io/developer/1444541196) | [Central of Institute Forensic Science](https://appshunter.io/developer/1453668584) |

## What reviewers say

### จันทรา

[App page](https://appshunter.io/ios/app/id1483548404)

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-nai/id1530544049)

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

**In-app purchases:** none


## Frequently asked questions

### Is จันทรา free?

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

### Is U free?

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

### Do จันทรา or U have ads?

Neither จันทรา nor U shows ads.

### Which is updated more often, จันทรา or U?

จันทรา ships an update every 3 months, and U every 3 months. Most recently, จันทรา was updated on October 21, 2026 and U on October 25, 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.*