# Brain Test vs Stropo

The clearest difference is in-app purchases: Stropo at none against Brain Test's 2. Stropo also leads on ads (none vs shown). Brain Test's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price and update cadence there is nothing between them.

Both are free to download. Brain Test sells 2 one-off in-app purchases. Stropo asks for nothing beyond the download.

Brain Test ships an update every 2 weeks, Stropo every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Brain Test | Stropo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (71 ratings)](https://appshunter.io/ios/app/brain-test-stroop-effect/id791503877/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 72.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Attila Hegedus](https://appshunter.io/developer/560108934) | [Ataman Girisken](https://appshunter.io/developer/1490836439) |

## What reviewers say

### Brain Test

[App page](https://appshunter.io/ios/app/brain-test-stroop-effect/id791503877)

Test your selective attention, cognitive flexibility, and processing speed with this psychology-based logic puzzle. Compete with friends and family by identifying the ink color of presented words within a time limit.

**Highlights:** Selective attention test, Cognitive flexibility training, Processing speed improvement, Timed challenges, Multiplayer competition, Color word matching

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Unlock expert mode | $1.99 | one-time |


### Stropo

[App page](https://appshunter.io/ios/app/stropo-color-brain-challenge/id6737414787)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Test free?

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

### Is Stropo free?

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

### Do Brain Test or Stropo have ads?

Brain Test shows ads; Stropo does not.

### Which is updated more often, Brain Test or Stropo?

Brain Test ships an update every 2 weeks, and Stropo every 3 weeks. Most recently, Brain Test was updated on September 24, 2026 and Stropo on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*