# ChatX vs fullmoon

The clearest difference is in-app purchases: fullmoon at none against ChatX's 6. ChatX's advantage is review sentiment (88% vs 78%) and ratings volume (481 vs 100). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. ChatX sells 6 one-off in-app purchases. fullmoon asks for nothing beyond the download.

ChatX holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 481 and 100 respectively. Written reviews point the same way: 88% of ChatX's written reviews are positive against 78% of fullmoon's.

ChatX ships an update fortnightly, fullmoon every 10 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ChatX | fullmoon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (481 ratings)](https://appshunter.io/ios/app/chatx-ai-chat-client-top/id6446304087/reviews)** | [4.4 (100 ratings)](https://appshunter.io/ios/app/fullmoon-local-intelligence/id6727014156/reviews) |
| Number of ratings | **481** | 100 |
| Positive reviews | **88.1% of reviews** | 77.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 30 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 17+ |
| Developer | [6X Studio LLC](https://appshunter.io/developer/888749139) | [Mainframe Computer, Inc.](https://appshunter.io/developer/1766722186) |

## What reviewers say

### ChatX

[App page](https://appshunter.io/ios/app/chatx-ai-chat-client-top/id6446304087)

This AI chat client leverages advanced language models to help you generate content and boost efficiency. It offers features like prompt collections, quick phrases, and image generation, all accessible through high-speed API servers. Manage your conversations and settings across multiple devices with ease.

**Highlights:** Multiple advanced AI models, High-speed API servers, Prompt collections, Image generation, iCloud multi-device sync, Quick phrases and shortcuts

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Lifetime) | Free | one-time |
| Add Words Pack 1 | $0.99 | one-time |
| Add Words Pack 2 | $3.99 | one-time |
| Pro | $4.99 | one-time |
| Add Words Pack 3 | $7.99 | one-time |
| Add Words Pack 4 | $17.99 | one-time |

**What reviewers like**

- 👍 Great app, quality
- 👍 Useful and powerful client
- 👍 Excellent replacement for ChatGPT
- 👍 Nice features
- 👍 Very solid AI chat app with many features

**What reviewers complain about**

- 🐛 Text-to-Speech voices could use improvement
- 🐛 AI image generation needs an upgrade
- 🐛 UI size for chats can be unpredictable
- 🔒 Words limit is not nice
- 🐛 Difficulty identifying uncensored models

**Reported bugs**

- Inconsistent iCloud sync for chat settings
- Occasional crashes
- Compatibility issues with older devices
- Login screen freezes

**Requested features**

- Safari extension
- Keyboard extension
- Support for Azure OpenAI API
- Markdown support
- Local model import and loading


### fullmoon

[App page](https://appshunter.io/ios/app/fullmoon-local-intelligence/id6727014156)

This app provides a private and offline way to interact with local large language models. It runs models directly on your device, optimized for Apple silicon, and is available across multiple Apple platforms. Personalize your experience and integrate with other apps via Shortcuts.

**Highlights:** Private LLM chat, Fully offline operation, On-device model execution, Cross-platform Apple support, Customizable themes and fonts, Shortcut integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Offline usage
- 👍 Clean and polished interface
- 👍 Works on older devices
- 👍 Friendly for less tech-savvy users

**What reviewers complain about**

- 🐛 Compatibility issues
- 🐛 Downloading/installing models can be slow
- 🐛 Responses can be inaccurate or incomplete
- 🐛 App crashes when using certain features

**Reported bugs**

- Incompatibility with iPhone SE2 and iPad Pro Gen3 despite supporting Metal 3
- Deepseek models not working on some devices

**Requested features**

- Add support for saving/copying full chat conversations
- Expand functionality through Shortcuts integration
- Provide more advanced language models
- Allow users to remove/delete downloaded models
- Add support for attaching files and images


## Frequently asked questions

### Is ChatX free?

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

### Is fullmoon free?

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

### Which has better reviews, ChatX or fullmoon?

ChatX is rated higher. ChatX averages 4.6 out of 5 from 481 ratings, while fullmoon averages 4.4 from 100 ratings.

### Do ChatX or fullmoon have ads?

Neither ChatX nor fullmoon shows ads.

### Which is updated more often, ChatX or fullmoon?

ChatX ships an update fortnightly, and fullmoon every 10 days. Most recently, ChatX was updated on October 17, 2026 and fullmoon on October 16, 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.*
