# Choco abacus vs Brain Out

The clearest difference is rating: Brain Out at 4.6 against Choco abacus's 3.2. Brain Out also leads on ratings volume (248K vs 5) and chart position (#107 vs unranked). Choco abacus's advantage is in-app purchases (none vs 10) and review sentiment (88% vs 62%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Brain Out sells 10 one-off in-app purchases. Choco abacus asks for nothing beyond the download.

Brain Out holds the better App Store score, 4.6 against 3.2. That said, the two scores are not equally well evidenced: Brain Out has 248K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 88% of Choco abacus's written reviews are positive against 62% of Brain Out's, so the app with the better star average is not the one people write more warmly about.

Choco abacus ships an update monthly, Brain Out every 3 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Choco abacus | Brain Out |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/choco-abacus/id1104805279/reviews) | **[4.6 (248K ratings)](https://appshunter.io/ios/app/brain-out-tricky-riddle-games/id1477841973/reviews)** |
| Number of ratings | 5 | **248K** |
| Positive reviews | **87.5% of reviews** | 61.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | — | **#107** |
| Size | 107 MB | 293 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Park Jisang](https://appshunter.io/developer/995438886) | [EYEWIND LIMITED](https://appshunter.io/developer/1317690197) |

## What reviewers say

### Choco abacus

[App page](https://appshunter.io/ios/app/choco-abacus/id1104805279)

Learn and master mental calculation with an engaging abacus game. Features a friendly tutorial and a simple, fun game system that allows you to unlock new stages as you play.

**Highlights:** Easy to learn abacus mechanics, Friendly tutorial for beginners, Simple and fun game system, Unlock new stages through gameplay, Mental calculation practice

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

**In-app purchases:** none


### Brain Out

[App page](https://appshunter.io/ios/app/brain-out-tricky-riddle-games/id1477841973)

**Currently charting:** #107 Top Free · Word (US App Store)

Challenge your mind with this addictive puzzle game featuring tricky brain teasers and absurd solutions. It tests your logical thinking, reflexes, and creativity with unexpected answers that subvert normal thinking. Experience a unique blend of knowledge and humor to boost your brain power.

**Highlights:** Tricky brain teasers, Absurd solutions, Tests logical thinking, Tests reflexes and accuracy, Tests memory and creativity, Unimagined gameplay

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Key x 10 | $1.99 | one-time |
| Key x 5 | $1.99 | one-time |
| Weekly Card | $1.99 | one-time |
| Key x 20 | $2.99 | one-time |
| Key x 10 | $2.99 | one-time |
| Key x 40 | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Remove Ads + 10tips | $4.99 | one-time |
| Great Value | $4.99 | one-time |
| Key x 50 | $9.99 | one-time |

**What reviewers like**

- 🧠 Challenges the mind
- 🤔 Encourages out-of-the-box thinking
- 🎨 Unique and creative puzzles
- 🧠 Helps improve problem-solving skills
- 🕹️ Fun and addictive gameplay

**What reviewers complain about**

- 💸 Too many ads interrupting gameplay
- 🤔 Obscure and illogical solutions
- 🤯 Frustrating when hints don't help
- 🤷‍♂️ Inconsistent grammar and wording
- 🕰️ Levels can be completed too quickly

**Reported bugs**

- Levels with glitches or unresponsive controls
- Issues with ad playback and inability to exit ads
- Inconsistent behavior when using hints or keys

**Requested features**

- More levels and content updates
- Ability to skip levels without using hints
- Improved hint system that actually provides useful guidance
- Option to disable ads for a one-time fee
- Better balance between easy, medium, and challenging puzzles


## Frequently asked questions

### Is Choco abacus free?

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

### Is Brain Out free?

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

### Which has better reviews, Choco abacus or Brain Out?

Brain Out is rated higher. Choco abacus averages 3.2 out of 5 from 5 ratings, while Brain Out averages 4.6 from 248K ratings.

### Do Choco abacus or Brain Out have ads?

Both Choco abacus and Brain Out show ads.

### Which is updated more often, Choco abacus or Brain Out?

Choco abacus ships an update monthly, and Brain Out every 3 weeks. Most recently, Choco abacus was updated on October 20, 2026 and Brain Out on October 27, 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.*