# スマートタイマーAI vs Uni

The clearest difference is in-app purchases: スマートタイマーAI at none against Uni's 5. スマートタイマーAI also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Uni's advantage is update cadence (every 5 days vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Uni sells 5 one-off in-app purchases. スマートタイマーAI asks for nothing beyond the download.

スマートタイマーAI ships an update every 6 weeks, Uni every 5 days. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | スマートタイマーAI | Uni |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 32 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuya Fujita](https://appshunter.io/developer/1871516306) | [Yuya Nakamura](https://appshunter.io/developer/1868582758) |

## What reviewers say

### スマートタイマーAI

[App page](https://appshunter.io/ios/app/ai/id6759734813)

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

**In-app purchases:** none


### Uni

[App page](https://appshunter.io/ios/app/uninote-study-notes/id6760258084)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Balance Small | $0.99 | one-time |
| AI Balance Medium | $2.99 | one-time |
| Premium | $5.99 | one-time |
| AI Balance Large | $8.99 | one-time |
| AI Balance Extra Large | $19.99 | one-time |


## Frequently asked questions

### Is スマートタイマーAI free?

スマートタイマーAI is free to download, with no in-app purchases.

### Is Uni free?

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

### Do スマートタイマーAI or Uni have ads?

Neither スマートタイマーAI nor Uni shows ads.

### Which is updated more often, スマートタイマーAI or Uni?

スマートタイマーAI ships an update every 6 weeks, and Uni every 5 days. Most recently, スマートタイマーAI was updated on October 5, 2026 and Uni on October 20, 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.*