# Chat vs Sphere

The clearest difference is in-app purchases: Chat at none against Sphere's 2. Chat also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Sphere sells 2 in-app purchases, starting at $7.99 per month. Chat asks for nothing beyond the download.

Chat ships an update every 2 weeks, Sphere every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chat | Sphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 58 MB | 57 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ENLIVEN DIGITAL CONTENT](https://appshunter.io/developer/1839932755) | [Rajesh Cherukuri](https://appshunter.io/developer/6781198482) |

## What reviewers say

### Chat

[App page](https://appshunter.io/ios/app/chat-spot/id6752570013)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Chat free?

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

### Is Sphere free?

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

### Do Chat or Sphere have ads?

Neither Chat nor Sphere shows ads.

### Which is updated more often, Chat or Sphere?

Chat ships an update every 2 weeks, and Sphere every 3 weeks. Most recently, Chat was updated on October 28, 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.*