# Siboo vs Slippery Dog

The clearest difference is price: Slippery Dog at Free against Siboo's $1.99. Siboo's advantage is ads (none vs shown) and update cadence (every 8 months vs every 17 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Slippery Dog is free to download; Siboo costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Siboo ships an update every 8 months, Slippery Dog every 17 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Siboo | Slippery Dog |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 17 months |
| Size | 743 MB | 181 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | +12 |
| Developer | [David Anthony MARY](https://appshunter.io/developer/1720018855) | [Macaca Games Inc.](https://appshunter.io/developer/1278612016) |

## What reviewers say

### Siboo

[App page](https://appshunter.io/ios/app/siboo-boosh/id6473841498)

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

**In-app purchases:** none


### Slippery Dog

[App page](https://appshunter.io/ios/app/slippery-dog/id6670784113)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siboo free?

Siboo costs $1.99, with no in-app purchases.

### Is Slippery Dog free?

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

### Do Siboo or Slippery Dog have ads?

Slippery Dog shows ads; Siboo does not.

### Which is updated more often, Siboo or Slippery Dog?

Siboo ships an update every 8 months, and Slippery Dog every 17 months. Most recently, Siboo was updated on October 30, 2026 and Slippery Dog on October 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.*