# Histopia vs Nova AI Assistant

The clearest difference is update cadence: Nova AI Assistant at every 2 weeks against Histopia's every 6 months. Histopia's advantage is iOS requirement (12.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Histopia ships an update every 6 months, Nova AI Assistant every 2 weeks. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Histopia | Nova AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 54 MB | 19 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Soysal Tan](https://appshunter.io/developer/1686126069) | [Ha Bui Thi Minh](https://appshunter.io/developer/6773002182) |

## What reviewers say

### Histopia

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Nova AI Assistant

[App page](https://appshunter.io/ios/app/nova-ai-assistant-smart-chat/id6805130653)

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

**In-app purchases:** none


## Frequently asked questions

### Is Histopia free?

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

### Is Nova AI Assistant free?

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

### Do Histopia or Nova AI Assistant have ads?

Both Histopia and Nova AI Assistant show ads.

### Which is updated more often, Histopia or Nova AI Assistant?

Histopia ships an update every 6 months, and Nova AI Assistant every 2 weeks. Most recently, Histopia was updated on October 19, 2026 and Nova AI Assistant on September 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.*