# ChiChat AI vs Sphere

The clearest difference is device support: ChiChat AI at 4 against Sphere's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ChiChat AI sells 3 one-off in-app purchases and Sphere sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ChiChat AI ships an update every 2 weeks, Sphere every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ChiChat AI | Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chichat-ai/id6450691847/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 138 MB | 57 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [天祐 梁](https://appshunter.io/developer/1692145135) | [Rajesh Cherukuri](https://appshunter.io/developer/6781198482) |

## What reviewers say

### ChiChat AI

[App page](https://appshunter.io/ios/app/chichat-ai/id6450691847)

This AI assistant integrates multiple large language models, allowing users to chat, create, and code with custom assistants. It offers rich media previews, voice input/playback, and smart document processing for enhanced productivity and creativity.

**Highlights:** Customizable AI models and assistants, Rich media previews (HTML, ECharts, Mermaid, SVG), Integrated music and video player, Image generation and viewing, Voice input and multilingual playback, Smart document processing, Code assistance and debugging

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $5.00 | one-time |
| Pro | $50.00 | one-time |
| Max | $200.00 | one-time |


### Sphere

[App page](https://appshunter.io/ios/app/sphere-multi-model-ai-chat/id6781198480)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sphere Pro: Compare AI Models | $7.99 | per month |
| Sphere Pro: Multi AI Copilot | $54.99 | per year |


## Frequently asked questions

### Is ChiChat AI free?

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

### Is Sphere free?

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

### Do ChiChat AI or Sphere have ads?

Neither ChiChat AI nor Sphere shows ads.

### Which is updated more often, ChiChat AI or Sphere?

ChiChat AI ships an update every 2 weeks, and Sphere every 3 weeks. Most recently, ChiChat AI was updated on October 30, 2026 and Sphere on October 25, 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.*