# Math 2s vs Calcul Mental in Space

The clearest difference is rating: Math 2s at 5.0 against Calcul Mental in Space's 4.4. Math 2s also leads on in-app purchases (none vs 1) and ads (none vs shown). Calcul Mental in Space's advantage is ratings volume (576 vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Calcul Mental in Space sells 1 one-off in-app purchase. Math 2s asks for nothing beyond the download.

Math 2s holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Calcul Mental in Space has 576 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Math 2s's written reviews are positive against 79% of Calcul Mental in Space's.

Math 2s ships an update every 10 days, Calcul Mental in Space every 6 days. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Math 2s | Calcul Mental in Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-2s-math-with-2-seconds/id1086283442/reviews)** | [4.4 (576 ratings)](https://appshunter.io/ios/app/calcul-mental-in-space/id1510484802/reviews) |
| Number of ratings | 1 | **576** |
| Positive reviews | **100.0% of reviews** | 78.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 134 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TIEN BAO NGUYEN](https://appshunter.io/developer/820224891) | [Huy Le](https://appshunter.io/developer/1279607371) |

## What reviewers say

### Math 2s

[App page](https://appshunter.io/ios/app/math-2s-math-with-2-seconds/id1086283442)

A fast-paced math game where players must remember a covered number and solve simple equations within a two-second time limit. It's designed for both children and adults, featuring a high score system and the ability to share achievements.

**Highlights:** Number recall, Timed math problems, High score tracking, Score sharing, HD design

**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 Math 2s free?

Math 2s 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, Math 2s or Calcul Mental in Space?

Math 2s is rated higher. Math 2s averages 5.0 out of 5 from 1 ratings, while Calcul Mental in Space averages 4.4 from 576 ratings.

### Do Math 2s or Calcul Mental in Space have ads?

Calcul Mental in Space shows ads; Math 2s does not.

### Which is updated more often, Math 2s or Calcul Mental in Space?

Math 2s ships an update every 10 days, and Calcul Mental in Space every 6 days. Most recently, Math 2s was updated on October 27, 2026 and Calcul Mental in Space on November 3, 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.*