# U vs カラメモ！

The clearest difference is ads: U at none against カラメモ！'s shown. U also leads on iOS requirement (11.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

U ships an update every 3 months, カラメモ！ every 4 months. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | U | カラメモ！ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 56 MB | 4 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kogensha Inc.](https://appshunter.io/developer/860459938) | [shimizu syoki](https://appshunter.io/developer/1650725937) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-one-tv/id1070194811)

**Features:** macOS Compatibility

**In-app purchases:** none


### カラメモ！

[App page](https://appshunter.io/ios/app/id6444733555)

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

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is カラメモ！ free?

カラメモ！ is free to download, with no in-app purchases.

### Do U or カラメモ！ have ads?

カラメモ！ shows ads; U does not.

### Which is updated more often, U or カラメモ！?

U ships an update every 3 months, and カラメモ！ every 4 months. Most recently, U was updated on October 12, 2026 and カラメモ！ on October 19, 2026.

---

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