# NumShift! vs Square Dog

The clearest difference is ads: NumShift! at none against Square Dog's shown. Square Dog's advantage is update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

NumShift! ships an update fortnightly, Square Dog every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NumShift! | Square Dog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 9 MB | 60 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Gene Matthews](https://appshunter.io/developer/1893490495) | [Nicki Larsen](https://appshunter.io/developer/1812928848) |

## What reviewers say

### NumShift!

[App page](https://appshunter.io/ios/app/numshift/id6762235648)

**Features:** macOS Compatibility

**In-app purchases:** none


### Square Dog

[App page](https://appshunter.io/ios/app/square-dog/id6816243766)

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

**In-app purchases:** none


## Frequently asked questions

### Is NumShift! free?

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

### Is Square Dog free?

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

### Do NumShift! or Square Dog have ads?

Square Dog shows ads; NumShift! does not.

### Which is updated more often, NumShift! or Square Dog?

NumShift! ships an update fortnightly, and Square Dog every 3 days. Most recently, NumShift! was updated on October 28, 2026 and Square Dog 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.*