# Space vs Brain Sharp

The clearest difference is in-app purchases: Space at none against Brain Sharp's 1. Space also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Brain Sharp sells 1 one-off in-app purchase. Space asks for nothing beyond the download.

Space ships an update weekly, Brain Sharp every 4 months. Both last shipped on September 11, 2026.

## The numbers

| Metric | Space | Brain Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (24 ratings)](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537/reviews)** |
| Number of ratings | — | **24** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 303 MB | 26 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Stairwell Ventures Private Limited](https://appshunter.io/developer/1244075941) | [世恬 颜](https://appshunter.io/developer/1448144845) |

## What reviewers say

### Space

[App page](https://appshunter.io/ios/app/space-chase/id1495332820)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Sharp

[App page](https://appshunter.io/ios/app/brain-sharp-brain-training/id1498294537)

Enhance memory, focus, and mental math skills with engaging exercises. This app supports academic and professional growth, improves daily life clarity, and helps maintain long-term brain health through scientifically inspired games.

**Highlights:** Memory enhancement exercises, Focus and concentration games, Mental math challenges, Cognitive decline slowing, Unlimited adaptive levels, Dual N-Back training

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Space free?

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

### Is Brain Sharp free?

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

### Do Space or Brain Sharp have ads?

Brain Sharp shows ads; Space does not.

### Which is updated more often, Space or Brain Sharp?

Space ships an update weekly, and Brain Sharp every 4 months. Most recently, Space was updated on September 11, 2026 and Brain Sharp on September 11, 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.*