# Math Solving Game NumberDrop vs Calcul Mental in Space

The clearest difference is update cadence: Calcul Mental in Space at every 6 days against Math Solving Game NumberDrop's monthly. Calcul Mental in Space also leads on ratings volume (575 vs 98). Math Solving Game NumberDrop's advantage is rating (4.7 vs 4.4) and iOS requirement (11.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Math Solving Game NumberDrop sells 4 one-off in-app purchases and Calcul Mental in Space sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math Solving Game NumberDrop holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Calcul Mental in Space has 575 ratings behind it against 98, so its average is the more settled of the two. Written reviews complicate that: 77% of Math Solving Game NumberDrop'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.

Math Solving Game NumberDrop ships an update monthly, Calcul Mental in Space every 6 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Math Solving Game NumberDrop | Calcul Mental in Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (98 ratings)](https://appshunter.io/ios/app/math-solving-game-numberdrop/id1353605416/reviews)** | [4.4 (575 ratings)](https://appshunter.io/ios/app/calcul-mental-in-space/id1510484802/reviews) |
| Number of ratings | 98 | **575** |
| Positive reviews | 76.9% of reviews | **78.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 134 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ben Does Apps Ltd](https://appshunter.io/developer/1353605415) | [Huy Le](https://appshunter.io/developer/1279607371) |

## What reviewers say

### Math Solving Game NumberDrop

[App page](https://appshunter.io/ios/app/math-solving-game-numberdrop/id1353605416)

This game challenges your arithmetic and logic skills by dropping numbers to solve math puzzles. Progress through hundreds of levels with increasing difficulty, or generate infinite puzzles in random mode. Enjoy offline play and compete on leaderboards.

**Highlights:** Hundreds of math puzzles, Arithmetic and logic training, Offline play, Weekly fresh puzzles, Random puzzle generation, Leaderboards

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Hints + 5 Undos | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 20 Hints + 20 Undos | $2.99 | one-time |
| 100 Hints + 100 Undos | $9.99 | one-time |


### 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 Solving Game NumberDrop free?

Math Solving Game NumberDrop is free to download, with in-app purchases available.

### Is Calcul Mental in Space free?

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

### Which has better reviews, Math Solving Game NumberDrop or Calcul Mental in Space?

Math Solving Game NumberDrop is rated higher. Math Solving Game NumberDrop averages 4.7 out of 5 from 98 ratings, while Calcul Mental in Space averages 4.4 from 575 ratings.

### Do Math Solving Game NumberDrop or Calcul Mental in Space have ads?

Both Math Solving Game NumberDrop and Calcul Mental in Space show ads.

### Which is updated more often, Math Solving Game NumberDrop or Calcul Mental in Space?

Math Solving Game NumberDrop ships an update monthly, and Calcul Mental in Space every 6 days. Most recently, Math Solving Game NumberDrop was updated on October 24, 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.*