# Number Ninjas Math Game vs StackTower 2D

The clearest difference is in-app purchases: StackTower 2D at none against Number Ninjas Math Game's 1. StackTower 2D also leads on update cadence (every 3 days vs every 9 days). Number Ninjas Math Game's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Number Ninjas Math Game sells 1 one-off in-app purchase. StackTower 2D asks for nothing beyond the download.

Number Ninjas Math Game ships an update every 9 days, StackTower 2D every 3 days. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Number Ninjas Math Game | StackTower 2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/number-ninjas-math-game/id6746679465/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 121 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Medawar](https://appshunter.io/developer/1817834565) | [Pravin Barapatre](https://appshunter.io/developer/1860741036) |

## What reviewers say

### Number Ninjas Math Game

[App page](https://appshunter.io/ios/app/number-ninjas-math-game/id6746679465)

This game transforms math practice into an exciting adventure with tile-matching puzzles. It offers a fun way to improve number sense, speed, and focus through progressively challenging levels. Compete globally on leaderboards or enjoy daily puzzles in a distraction-free environment.

**Highlights:** Tile-matching math puzzles, 300+ progressive levels, Daily exclusive puzzles, Endless survival mode, Kid-safe global leaderboards, Focus-enhancing design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### StackTower 2D

[App page](https://appshunter.io/ios/app/stacktower-2d/id6756459996)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is Number Ninjas Math Game free?

Number Ninjas Math Game is free to download, with in-app purchases available.

### Is StackTower 2D free?

StackTower 2D is free to download, with no in-app purchases.

### Do Number Ninjas Math Game or StackTower 2D have ads?

StackTower 2D shows ads; Number Ninjas Math Game does not.

### Which is updated more often, Number Ninjas Math Game or StackTower 2D?

Number Ninjas Math Game ships an update every 9 days, and StackTower 2D every 3 days. Most recently, Number Ninjas Math Game was updated on October 13, 2026 and StackTower 2D on September 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.*