# One Brain vs Brain Test

The clearest difference is rating: Brain Test at 4.8 against One Brain's 4.4. Brain Test also leads on ratings volume (1.5M vs 297) and chart position (#2 vs unranked). One Brain's advantage is update cadence (weekly vs monthly). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. One Brain sells 1 one-off in-app purchase and Brain Test sells 10 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Brain Test holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Brain Test has 1.5M ratings behind it against 297, so its average is the more settled of the two. Written reviews split almost evenly too, at 59% and 58% positive.

One Brain ships an update weekly, Brain Test monthly. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | One Brain | Brain Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (297 ratings)](https://appshunter.io/ios/app/one-brain/id1229367064/reviews) | **[4.8 (1.5M ratings)](https://appshunter.io/ios/app/brain-test-tricky-puzzles/id1486214495/reviews)** |
| Number of ratings | 297 | **1.5M** |
| Positive reviews | **58.6% of reviews** | 58.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#2** |
| Size | 10 MB | 297 MB |
| Requires iOS | 15 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Erik Wegener](https://appshunter.io/developer/424482392) | [UNICO STUDIO](https://appshunter.io/developer/1467451326) |

## What reviewers say

### One Brain

[App page](https://appshunter.io/ios/app/one-brain/id1229367064)

Test your cognitive abilities with a game inspired by the Stroop effect. Quickly identify matching colors, arrow directions, or true/false math equations under time pressure. Challenge your brain to process conflicting information and achieve high scores.

**Highlights:** Stroop effect inspired gameplay, Color matching challenges, Arrow direction tests, Math equation verification, Timed gameplay, Score tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and effective brain training
- 🧠 Helps improve focus and concentration
- 🤯 Challenging and addictive gameplay

**What reviewers complain about**

- ⏱️ Timer is too short, needs more time
- 🙄 Excessive ads and interruptions
- 🤖 Inconsistent scoring and feedback

**Reported bugs**

- Incorrect registering of correct answers
- Crashes and freezes on certain devices
- Keyboard controls not working as expected

**Requested features**

- Adjustable difficulty levels
- More game modes and variations
- Option to disable ads or pay for ad-free version


### Brain Test

[App page](https://appshunter.io/ios/app/brain-test-tricky-puzzles/id1486214495)

**Currently charting:** #2 Top Free · Trivia, #21 Top Grossing · Trivia, #45 Top Free · Puzzle, #103 Top Free · Games (US App Store)

Engage your mind with a collection of clever and surprising puzzles that use misdirection and playful logic. This app offers unconventional challenges designed for casual enjoyment and creative thinking, perfect for solo play or sharing.

**Highlights:** Unconventional puzzle design, Surprising twists, Simple mechanics, Engaging content, Family friendly, No timers or stress

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Package | $3.99 | per 7 days |
| 250 Lamps | $1.99 | one-time |
| 500 Lamps | $2.99 | one-time |
| Limited Time Offer | $3.99 | one-time |
| Remove Ads + 1000 bulb | $3.99 | one-time |
| 1000 Lamps | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Coolest Offer | $4.99 | one-time |
| Remove Ads + 250 bulb | $4.99 | one-time |
| 2500 Lamps | $9.99 | one-time |

**What reviewers like**

- 🚀 Fun and challenging
- 👍 Helps sharpen the mind
- 😊 Addictive and entertaining

**What reviewers complain about**

- 🤬 Too many ads
- 🙄 Ads interrupt gameplay
- 😒 Ads are repetitive
- 😠 Ads are unskippable

**Reported bugs**

- Game freezes or crashes
- Hint system not working as expected
- Inability to exit ads

**Requested features**

- More levels and updates
- Reduce frequency of ads
- Improve hint system
- Add difficulty options


## Frequently asked questions

### Is One Brain free?

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

### Is Brain Test free?

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

### Which has better reviews, One Brain or Brain Test?

Brain Test is rated higher. One Brain averages 4.4 out of 5 from 297 ratings, while Brain Test averages 4.8 from 1.5M ratings.

### Do One Brain or Brain Test have ads?

Both One Brain and Brain Test show ads.

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

One Brain ships an update weekly, and Brain Test monthly. Most recently, One Brain was updated on September 24, 2026 and Brain Test on September 25, 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.*