# AI Viewer vs Notsure

The clearest difference is ads: Notsure at none against AI Viewer's shown. Notsure also leads on update cadence (weekly vs fortnightly). AI Viewer's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI Viewer sells 1 in-app purchase, starting at $24.99 per year and Notsure sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

AI Viewer ships an update fortnightly, Notsure weekly. The most recent releases landed on September 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AI Viewer | Notsure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (14 ratings)](https://appshunter.io/ios/app/ai-viewer/id1505083223/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vaibhav Singhal](https://appshunter.io/developer/1719416463) | [Hsieh ChiaMing](https://appshunter.io/developer/1891046685) |

## What reviewers say

### AI Viewer

[App page](https://appshunter.io/ios/app/ai-viewer/id1505083223)

View Adobe Illustrator (.ai) files on your mobile device without needing a license. Convert .ai files to PDF or PNG, zoom in on previews, and easily locate Illustrator files stored on your device.

**Highlights:** Preview .ai files, Save as PDF or PNG, List all .ai files on device, Pinch to zoom, Remove ads permanently, Contact support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $24.99 | per year |


### Notsure

[App page](https://appshunter.io/ios/app/notsure/id6761713945)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notsure Annual | $19.99 | per year |


## Frequently asked questions

### Is AI Viewer free?

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

### Is Notsure free?

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

### Do AI Viewer or Notsure have ads?

AI Viewer shows ads; Notsure does not.

### Which is updated more often, AI Viewer or Notsure?

AI Viewer ships an update fortnightly, and Notsure weekly. Most recently, AI Viewer was updated on September 21, 2026 and Notsure on October 13, 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.*