# Gravity Flip vs Brain Stars

The clearest difference is in-app purchases: Gravity Flip at none against Brain Stars's 2. Gravity Flip also leads on update cadence (daily vs every 3 days) and iOS requirement (15.0 vs 17.6). Brain Stars's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Brain Stars sells 2 in-app purchases, starting at $4.99 per month. Gravity Flip asks for nothing beyond the download.

Gravity Flip ships an update daily, Brain Stars every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Gravity Flip | Brain Stars |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 32 MB | 32 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tung Vu](https://appshunter.io/developer/1877056196) | [Kumari Rekha](https://appshunter.io/developer/6789014821) |

## What reviewers say

### Gravity Flip

[App page](https://appshunter.io/ios/app/gravity-flip-space-drift/id6765643117)

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

**In-app purchases:** none


### Brain Stars

[App page](https://appshunter.io/ios/app/brain-stars/id6789014819)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Gravity Flip free?

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

### Is Brain Stars free?

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

### Do Gravity Flip or Brain Stars have ads?

Gravity Flip shows ads; Brain Stars does not.

### Which is updated more often, Gravity Flip or Brain Stars?

Gravity Flip ships an update daily, and Brain Stars every 3 days. Most recently, Gravity Flip was updated on November 5, 2026 and Brain Stars on November 5, 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.*