# Sphere vs Blank Apps

The clearest difference is in-app purchases: Blank Apps at none against Sphere's 2. Blank Apps also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support 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. Blank Apps asks for nothing beyond the download.

Sphere ships an update every 3 weeks, Blank Apps every 6 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sphere | Blank Apps |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 57 MB | 53 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Rajesh Cherukuri](https://appshunter.io/developer/6781198482) | [FEEDOX LLC](https://appshunter.io/developer/6794008702) |

## 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 |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $54.99 | per year |


### Blank Apps

[App page](https://appshunter.io/ios/app/blank-apps/id6794008998)

**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 Blank Apps free?

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

### Do Sphere or Blank Apps have ads?

Neither Sphere nor Blank Apps shows ads.

### Which is updated more often, Sphere or Blank Apps?

Sphere ships an update every 3 weeks, and Blank Apps every 6 days. Most recently, Sphere was updated on September 30, 2026 and Blank Apps on October 3, 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.*