# Choco abacus vs Calcul Mental in Space

The clearest difference is rating: Calcul Mental in Space at 4.4 against Choco abacus's 3.2. Calcul Mental in Space also leads on ratings volume (575 vs 5) and update cadence (every 6 days vs monthly). Choco abacus's advantage is in-app purchases (none vs 1) and review sentiment (88% vs 79%). On price, ads and device support there is nothing between them.

Both are free to download. Calcul Mental in Space sells 1 one-off in-app purchase. Choco abacus asks for nothing beyond the download.

Calcul Mental in Space holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: Calcul Mental in Space has 575 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 79% of Calcul Mental in Space's, so the app with the better star average is not the one people write more warmly about.

Choco abacus ships an update monthly, Calcul Mental in Space every 6 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | Choco abacus | Calcul Mental in Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/choco-abacus/id1104805279/reviews) | **[4.4 (575 ratings)](https://appshunter.io/ios/app/calcul-mental-in-space/id1510484802/reviews)** |
| Number of ratings | 5 | **575** |
| Positive reviews | **87.5% of reviews** | 78.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 107 MB | 134 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Park Jisang](https://appshunter.io/developer/995438886) | [Huy Le](https://appshunter.io/developer/1279607371) |

## 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


### Calcul Mental in Space

[App page](https://appshunter.io/ios/app/calcul-mental-in-space/id1510484802)

Practice mental math with a fun, space-themed game. Improve your calculation speed, reflexes, and math skills through engaging challenges. Master addition, subtraction, multiplication, and division with increasing difficulty levels.

**Highlights:** Mental math practice, Speed and reflex training, Addition, subtraction, multiplication, division, Times and division tables review, Progressive difficulty levels, Achievement encouragement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $2.99 | one-time |


## Frequently asked questions

### Is Choco abacus free?

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

### Is Calcul Mental in Space free?

Calcul Mental in Space is free to download, with in-app purchases available.

### Which has better reviews, Choco abacus or Calcul Mental in Space?

Calcul Mental in Space is rated higher. Choco abacus averages 3.2 out of 5 from 5 ratings, while Calcul Mental in Space averages 4.4 from 575 ratings.

### Do Choco abacus or Calcul Mental in Space have ads?

Both Choco abacus and Calcul Mental in Space show ads.

### Which is updated more often, Choco abacus or Calcul Mental in Space?

Choco abacus ships an update monthly, and Calcul Mental in Space every 6 days. Most recently, Choco abacus was updated on October 29, 2026 and Calcul Mental in Space on October 29, 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.*