# ChatAI vs Cluster AI

The clearest difference is update cadence: Cluster AI at daily against ChatAI's every 2 months. Cluster AI also leads on rating (5.0 vs 4.6). ChatAI's advantage is iOS requirement (13.4 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. ChatAI sells 1 in-app purchase, starting at $19.99 per month and Cluster AI sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Cluster AI holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 8 and 6 respectively.

ChatAI ships an update every 2 months, Cluster AI daily. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ChatAI | Cluster AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/chatai-cool-chat-assistant/id6741094745/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/cluster-ai-ask-work-build/id6743643266/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Freemium | Freemium |
| Size | 19 MB | 135 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Muhammed Asaad Nadeem](https://appshunter.io/developer/1601934665) | [Clusterbase](https://appshunter.io/developer/1803745705) |

## What reviewers say

### ChatAI

[App page](https://appshunter.io/ios/app/chatai-cool-chat-assistant/id6741094745)

This AI assistant provides insightful answers, generates images, and offers real-time web data. It simplifies complex problems in math, science, and coding, making learning engaging and enjoyable.

**Highlights:** Web research capabilities, Math, science, and coding problem solver, AI image generation, Real-time web data access, Conversational AI, Privacy-focused design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatAi Monthly | $19.99 | per month |


### Cluster AI

[App page](https://appshunter.io/ios/app/cluster-ai-ask-work-build/id6743643266)

This AI-powered search engine provides direct, trustworthy answers with cited sources. Get clear, concise information backed by real-time web searches, without any ads or clutter.

**Highlights:** AI-powered answers, Cited sources, Real-time web search, Save chat history, Organize history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $19.99 | per month |
| Max Monthly | $199.99 | per month |


## Frequently asked questions

### Is ChatAI free?

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

### Is Cluster AI free?

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

### Which has better reviews, ChatAI or Cluster AI?

Cluster AI is rated higher. ChatAI averages 4.6 out of 5 from 8 ratings, while Cluster AI averages 5.0 from 6 ratings.

### Do ChatAI or Cluster AI have ads?

Neither ChatAI nor Cluster AI shows ads.

### Which is updated more often, ChatAI or Cluster AI?

ChatAI ships an update every 2 months, and Cluster AI daily. Most recently, ChatAI was updated on October 24, 2026 and Cluster AI on October 30, 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.*