# Sudoggy vs Shelf Shuffle

The clearest difference is in-app purchases: Sudoggy at none against Shelf Shuffle's 2. Sudoggy also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Shelf Shuffle sells 2 in-app purchases, starting at $0.99 per 7 days. Sudoggy asks for nothing beyond the download.

Sudoggy ships an update every 2 days, Shelf Shuffle every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sudoggy | Shelf Shuffle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 114 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hurol Ozturk](https://appshunter.io/developer/539355562) | [Hatching Point LLC](https://appshunter.io/developer/1860158157) |

## What reviewers say

### Sudoggy

[App page](https://appshunter.io/ios/app/sudoggy/id6777812825)

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

**In-app purchases:** none


### Shelf Shuffle

[App page](https://appshunter.io/ios/app/shelf-shuffle/id6795345847)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Yearly Premium | $19.99 | per year |


## Frequently asked questions

### Is Sudoggy free?

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

### Is Shelf Shuffle free?

Shelf Shuffle is free to download, with in-app purchases available.

### Do Sudoggy or Shelf Shuffle have ads?

Both Sudoggy and Shelf Shuffle show ads.

### Which is updated more often, Sudoggy or Shelf Shuffle?

Sudoggy ships an update every 2 days, and Shelf Shuffle every 2 weeks. Most recently, Sudoggy was updated on November 5, 2026 and Shelf Shuffle on October 31, 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.*