# Math Solving Game NumberDrop vs The Memory Grid

The clearest difference is in-app purchases: The Memory Grid at none against Math Solving Game NumberDrop's 4. Math Solving Game NumberDrop's advantage is update cadence (monthly vs every 5 months) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Math Solving Game NumberDrop sells 4 one-off in-app purchases. The Memory Grid asks for nothing beyond the download.

Math Solving Game NumberDrop ships an update monthly, The Memory Grid every 5 months. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Math Solving Game NumberDrop | The Memory Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (98 ratings)](https://appshunter.io/ios/app/math-solving-game-numberdrop/id1353605416/reviews)** | — |
| Number of ratings | **98** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 25 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ben Does Apps Ltd](https://appshunter.io/developer/1353605415) | [Anand Ayyappan](https://appshunter.io/developer/1881489907) |

## 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 |


### The Memory Grid

[App page](https://appshunter.io/ios/app/the-memory-grid/id6759895943)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Solving Game NumberDrop free?

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

### Is The Memory Grid free?

The Memory Grid is free to download, with no in-app purchases.

### Do Math Solving Game NumberDrop or The Memory Grid have ads?

Both Math Solving Game NumberDrop and The Memory Grid show ads.

### Which is updated more often, Math Solving Game NumberDrop or The Memory Grid?

Math Solving Game NumberDrop ships an update monthly, and The Memory Grid every 5 months. Most recently, Math Solving Game NumberDrop was updated on September 22, 2026 and The Memory Grid on October 1, 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.*