# Studi vs AI Chat Assistant

The clearest difference is update cadence: Studi at every 11 days against AI Chat Assistant's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Studi sells 5 in-app purchases, starting at $9.99 per 7 days and AI Chat Assistant sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Studi ships an update every 11 days, AI Chat Assistant every 3 weeks. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Studi | AI Chat Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 15 MB | 58 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [JETKITE YAZILIM SANAYI VE TICARET A.S.](https://appshunter.io/developer/1718707717) | [DEVSRANK](https://appshunter.io/developer/1716669578) |

## What reviewers say

### Studi

[App page](https://appshunter.io/ios/app/studi-ai-homework-assistant/id6593673214)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access - Weekly | $9.99 | per 7 days |
| Premium Access - Monthly | $14.99 | per month |
| Premium Access - Yearly | $29.99 | per year |
| 5 Credits | $4.99 | one-time |
| 10 Credits | $7.99 | one-time |


### AI Chat Assistant

[App page](https://appshunter.io/ios/app/ai-chat-assistant-replyo/id6740520360)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatbot Weekly | $5.99 | per 7 days |
| Chatbot Yearly | $29.99 | per year |


## Frequently asked questions

### Is Studi free?

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

### Is AI Chat Assistant free?

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

### Do Studi or AI Chat Assistant have ads?

Neither Studi nor AI Chat Assistant shows ads.

### Which is updated more often, Studi or AI Chat Assistant?

Studi ships an update every 11 days, and AI Chat Assistant every 3 weeks. Most recently, Studi was updated on October 2, 2026 and AI Chat Assistant on October 18, 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.*