# Chat AI vs GrammarBot

The clearest difference is in-app purchases: GrammarBot at none against Chat AI's 3. GrammarBot also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chat AI sells 3 in-app purchases, starting at $2.99 per 7 days. GrammarBot asks for nothing beyond the download.

Chat AI ships an update every 4 days, GrammarBot every 5 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chat AI | GrammarBot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/grammarbot-write-like-a-pro/id6469009930/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Ad-supported |
| Size | 68 MB | 31 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brijesh Kanani](https://appshunter.io/developer/1701787580) | [Yevhenii Filatov](https://appshunter.io/developer/1619745242) |

## What reviewers say

### Chat AI

[App page](https://appshunter.io/ios/app/chat-ai-ai-chatbot-assistant/id6462988954)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $2.99 | per 7 days |
| Month | $7.99 | per month |
| Year | $29.99 | per year |


### GrammarBot

[App page](https://appshunter.io/ios/app/grammarbot-write-like-a-pro/id6469009930)

Enhance your writing with an AI assistant that checks grammar, rewrites messages, and transforms your style. Supports multiple languages and offers translation. Perfect for improving clarity and impact in your written communication.

**Highlights:** AI-powered grammar checks, Message rewriting, Style transformation, Expanded language support, In-app translation

**In-app purchases:** none


## Frequently asked questions

### Is Chat AI free?

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

### Is GrammarBot free?

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

### Do Chat AI or GrammarBot have ads?

Both Chat AI and GrammarBot show ads.

### Which is updated more often, Chat AI or GrammarBot?

Chat AI ships an update every 4 days, and GrammarBot every 5 days. Most recently, Chat AI was updated on October 30, 2026 and GrammarBot on October 24, 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.*