# Number Lab vs Cross Sum Mania

The clearest difference is ads: Cross Sum Mania at none against Number Lab's shown. Number Lab's advantage is update cadence (daily vs every 3 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Lab ships an update daily, Cross Sum Mania every 3 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Number Lab | Cross Sum Mania |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cross-sum-mania/id6670564521/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free |
| Size | 89 MB | 4 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FEELCRAFTERS OYUN YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1691256089) | [Gilbert Gonsalves](https://appshunter.io/developer/492123194) |

## What reviewers say

### Number Lab

[App page](https://appshunter.io/ios/app/number-lab/id6476373137)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cross Sum Mania

[App page](https://appshunter.io/ios/app/cross-sum-mania/id6670564521)

Solve challenging number puzzles by completing overlapping equations. Use digits 1-9 once per puzzle to fulfill both horizontal and vertical math problems. This free game offers a fun and mentally stimulating experience.

**Highlights:** Overlapping horizontal and vertical equations, Uses digits 1-9 once per puzzle, Requires completion of all equations, Challenging logic gameplay, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Lab free?

Number Lab is free to download, with no in-app purchases.

### Is Cross Sum Mania free?

Cross Sum Mania is free to download, with no in-app purchases.

### Do Number Lab or Cross Sum Mania have ads?

Number Lab shows ads; Cross Sum Mania does not.

### Which is updated more often, Number Lab or Cross Sum Mania?

Number Lab ships an update daily, and Cross Sum Mania every 3 weeks. Most recently, Number Lab was updated on October 8, 2026 and Cross Sum Mania on October 4, 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.*