# Slitherlink vs Number Pyramid

The clearest difference is ads: Number Pyramid at none against Slitherlink's shown. Slitherlink's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Slitherlink ships an update weekly, Number Pyramid every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Slitherlink | Number Pyramid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Size | 107 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [nineclove](https://appshunter.io/developer/305610030) | [Yuki Isaka](https://appshunter.io/developer/1891355296) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-number-loop/id6759080379)

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

**In-app purchases:** none


### Number Pyramid

[App page](https://appshunter.io/ios/app/number-pyramid-mental-math/id6761766997)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slitherlink free?

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

### Is Number Pyramid free?

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

### Do Slitherlink or Number Pyramid have ads?

Slitherlink shows ads; Number Pyramid does not.

### Which is updated more often, Slitherlink or Number Pyramid?

Slitherlink ships an update weekly, and Number Pyramid every 9 days. Most recently, Slitherlink was updated on October 25, 2026 and Number Pyramid on October 24, 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.*