# Histopia vs Omnia AI

The clearest difference is in-app purchases: Histopia at none against Omnia AI's 5. Histopia also leads on iOS requirement (12.4 vs 15.1). Omnia AI's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Omnia AI sells 5 in-app purchases, starting at $4.99 per 7 days. Histopia asks for nothing beyond the download.

Histopia ships an update every 6 months, Omnia AI every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Histopia | Omnia AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 54 MB | 36 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Soysal Tan](https://appshunter.io/developer/1686126069) | [ODBS LLC](https://appshunter.io/developer/1816580215) |

## What reviewers say

### Histopia

[App page](https://appshunter.io/ios/app/histopia-chat/id6449364875)

**Features:** macOS Compatibility

**In-app purchases:** none


### Omnia AI

[App page](https://appshunter.io/ios/app/omnia-ai-chatbot-and-ai-tools/id6746388037)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| 100 Credits | $1.99 | one-time |
| 250 Credits | $2.99 | one-time |
| 500 Credits | $4.99 | one-time |
| 1000 Credits | $8.99 | one-time |


## Frequently asked questions

### Is Histopia free?

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

### Is Omnia AI free?

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

### Do Histopia or Omnia AI have ads?

Histopia shows ads; Omnia AI does not.

### Which is updated more often, Histopia or Omnia AI?

Histopia ships an update every 6 months, and Omnia AI every 3 weeks. Most recently, Histopia was updated on November 7, 2026 and Omnia AI on October 30, 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.*