# OneAnswerAI vs Chatosai

The clearest difference is ads: Chatosai at none against OneAnswerAI's shown. Chatosai also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days and Chatosai sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

OneAnswerAI ships an update every 9 days, Chatosai every 5 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OneAnswerAI | Chatosai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 59 MB | 52 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [VALENTINO PAULON](https://appshunter.io/developer/1861136644) | [Hasna Dedoush](https://appshunter.io/developer/1883805133) |

## What reviewers say

### OneAnswerAI

[App page](https://appshunter.io/ios/app/oneanswerai/id6756519049)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| 10 Text Queries | $0.99 | one-time |
| 5 Text + 1 Media | $1.99 | one-time |
| 5 Media Queries | $1.99 | one-time |
| 50 Text Queries | $3.99 | one-time |
| 100 Text Queries | $6.99 | one-time |


### Chatosai

[App page](https://appshunter.io/ios/app/chatosai/id6760315763)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Chatosai Monthly | $19.99 | per month |
| Premium Chatosai | $199.99 | per year |


## Frequently asked questions

### Is OneAnswerAI free?

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

### Is Chatosai free?

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

### Do OneAnswerAI or Chatosai have ads?

OneAnswerAI shows ads; Chatosai does not.

### Which is updated more often, OneAnswerAI or Chatosai?

OneAnswerAI ships an update every 9 days, and Chatosai every 5 days. Most recently, OneAnswerAI was updated on October 8, 2026 and Chatosai on October 6, 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.*