# Crank It! Letter Brain Teaser vs Brain Test

The clearest difference is price: Brain Test at Free against Crank It! Letter Brain Teaser's $1.99. Brain Test also leads on rating (4.1 vs 2.7) and review sentiment (72% vs 50%). Crank It! Letter Brain Teaser's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Brain Test is free to download; Crank It! Letter Brain Teaser costs $1.99 up front. Brain Test sells 2 one-off in-app purchases. Crank It! Letter Brain Teaser asks for nothing beyond the download.

Brain Test holds the better App Store score, 4.1 against 2.7. Both are backed by a comparable volume of ratings — 22 and 71 respectively. Written reviews point the same way: 50% of Crank It! Letter Brain Teaser's written reviews are positive against 72% of Brain Test's.

Crank It! Letter Brain Teaser ships an update every 2 months, Brain Test every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Crank It! Letter Brain Teaser | Brain Test |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.7 (22 ratings)](https://appshunter.io/ios/app/crank-it-letter-brain-teaser/id370826800/reviews) | **[4.1 (71 ratings)](https://appshunter.io/ios/app/brain-test-stroop-effect/id791503877/reviews)** |
| Number of ratings | 22 | **71** |
| Positive reviews | 50.0% of reviews | **72.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 9 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tsolias Software](https://appshunter.io/developer/303474820) | [Attila Hegedus](https://appshunter.io/developer/560108934) |

## What reviewers say

### Crank It! Letter Brain Teaser

[App page](https://appshunter.io/ios/app/crank-it-letter-brain-teaser/id370826800)

This game challenges your mind by asking you to determine the next letter in a given sequence. It offers an endless supply of algorithmic combinations to keep your brain sharp. Track your performance with detailed statistics.

**Highlights:** Letter sequence puzzles, Algorithmic combination generation, Performance statistics tracking, Educational tool for pattern identification, Suitable for K-8 students

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Crank It! Letter Brain Teaser free?

Crank It! Letter Brain Teaser costs $1.99, with no in-app purchases.

### Is Brain Test free?

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

### Which has better reviews, Crank It! Letter Brain Teaser or Brain Test?

Brain Test is rated higher. Crank It! Letter Brain Teaser averages 2.7 out of 5 from 22 ratings, while Brain Test averages 4.1 from 71 ratings.

### Do Crank It! Letter Brain Teaser or Brain Test have ads?

Brain Test shows ads; Crank It! Letter Brain Teaser does not.

### Which is updated more often, Crank It! Letter Brain Teaser or Brain Test?

Crank It! Letter Brain Teaser ships an update every 2 months, and Brain Test every 2 weeks. Most recently, Crank It! Letter Brain Teaser was updated on October 23, 2026 and Brain Test on October 24, 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.*