# OmniClassify vs AnnotateIt AI

The clearest difference is in-app purchases: AnnotateIt AI at none against OmniClassify's 3. AnnotateIt AI also leads on device support (4 vs 2) and iOS requirement (14.0 vs 17). OmniClassify's advantage is update cadence (every 2 days vs every 11 months). On price and ads there is nothing between them.

Both are free to download. OmniClassify sells 3 in-app purchases, starting at $3.99 per 7 days. AnnotateIt AI asks for nothing beyond the download.

OmniClassify ships an update every 2 days, AnnotateIt AI every 11 months. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | OmniClassify | AnnotateIt AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 months |
| Size | 131 MB | 95 MB |
| Requires iOS | 17 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Martin Kropf](https://appshunter.io/developer/1555102184) | [Yury Volokitin](https://appshunter.io/developer/1835141574) |

## What reviewers say

### OmniClassify

[App page](https://appshunter.io/ios/app/omniclassify/id6747666857)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (1 week) | $3.99 | per 7 days |
| Full Access (1 month) | $9.99 | per month |
| Full Access (1 year) | $99.99 | per year |


### AnnotateIt AI

[App page](https://appshunter.io/ios/app/annotateit-ai/id6751442622)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OmniClassify free?

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

### Is AnnotateIt AI free?

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

### Do OmniClassify or AnnotateIt AI have ads?

Neither OmniClassify nor AnnotateIt AI shows ads.

### Which is updated more often, OmniClassify or AnnotateIt AI?

OmniClassify ships an update every 2 days, and AnnotateIt AI every 11 months. Most recently, OmniClassify was updated on September 17, 2026 and AnnotateIt AI on September 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.*