# uPen vs AI Dataset

uPen and AI Dataset are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

uPen ships an update every 6 months, AI Dataset every 4 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | uPen | AI Dataset |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 20 MB | 23 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Unimatica S.p.A.](https://appshunter.io/developer/951004830) | [PROGLINT SOFTWARE SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1515558300) |

## What reviewers say

### uPen

[App page](https://appshunter.io/ios/app/upen/id951004831)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Dataset

[App page](https://appshunter.io/ios/app/ai-dataset-visual-ai-cv/id6471918126)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is uPen free?

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

### Is AI Dataset free?

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

### Do uPen or AI Dataset have ads?

Neither uPen nor AI Dataset shows ads.

### Which is updated more often, uPen or AI Dataset?

uPen ships an update every 6 months, and AI Dataset every 4 months. Most recently, uPen was updated on October 26, 2026 and AI Dataset on October 27, 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.*