# Sphere vs multi

The clearest difference is in-app purchases: multi at none against Sphere's 2. multi also leads on device support (3 vs 1). On price, 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. multi asks for nothing beyond the download.

## The numbers

| Metric | Sphere | multi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 57 MB | 4 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rajesh Cherukuri](https://appshunter.io/developer/6781198482) | [June Lee](https://appshunter.io/developer/1895021353) |

## What reviewers say

### 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 |


### multi

[App page](https://appshunter.io/ios/app/multi-ai-compare-ais/id6781590405)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sphere free?

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

### Is multi free?

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

### Do Sphere or multi have ads?

Neither Sphere nor multi shows ads.

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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.*