# ChatAIs vs WriteGPT

The clearest difference is in-app purchases: ChatAIs at none against WriteGPT's 4. ChatAIs also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. WriteGPT sells 4 in-app purchases, starting at $5.99 per month. ChatAIs asks for nothing beyond the download.

ChatAIs ships an update every 10 days, WriteGPT every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChatAIs | WriteGPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (19 ratings)](https://appshunter.io/ios/app/writegpt/id6447081746/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 40 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [KANTO KAITAI, K.K.](https://appshunter.io/developer/1523275443) | [ZQ Labs, Inc.](https://appshunter.io/developer/1619568628) |

## What reviewers say

### ChatAIs

[App page](https://appshunter.io/ios/app/chatais/id6446228210)

**Features:** macOS Compatibility

**In-app purchases:** none


### WriteGPT

[App page](https://appshunter.io/ios/app/writegpt/id6447081746)

This AI writing assistant leverages advanced models like GPT-5 and Gemini Pro to help users create, edit, and polish various content types in seconds. It offers over 50 premium tools for writing, rewriting, proofreading, and translation, enhancing productivity and content quality.

**Highlights:** 50+ premium AI writing tools, One-click content creation for over 100 types, Supports GPT-5, Gemini Pro, Claude 4.5, Grok, Richer content inputs (voice, files, images), Inline AI editing, Grammar and spelling checker, Content summarization and explanation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WriteGPT AI Plus Month | $5.99 | per month |
| WriteGPT AI Premium Month | $14.99 | per month |
| WriteGPT AI Plus Year | $43.49 | per year |
| WriteGPT AI Premium Year | $89.99 | per year |


## Frequently asked questions

### Is ChatAIs free?

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

### Is WriteGPT free?

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

### Do ChatAIs or WriteGPT have ads?

WriteGPT shows ads; ChatAIs does not.

### Which is updated more often, ChatAIs or WriteGPT?

ChatAIs ships an update every 10 days, and WriteGPT every 2 months. Most recently, ChatAIs was updated on October 30, 2026 and WriteGPT 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.*