# Critterly vs Muzo

The clearest difference is ads: Critterly at none against Muzo's shown. Critterly also leads on update cadence (every 10 days vs every 3 months). Muzo's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Critterly sells 3 in-app purchases, starting at $1.99 per month and Muzo sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Critterly ships an update every 10 days, Muzo every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Critterly | Muzo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 26 MB | 53 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) | [Jeremy Seror](https://appshunter.io/developer/1833698488) |

## What reviewers say

### Critterly

[App page](https://appshunter.io/ios/app/critterly/id6758775498)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Suscripción anual | $6.99 | per year |
| Lifetime | $39.99 | one-time |


### Muzo

[App page](https://appshunter.io/ios/app/muzo-pet-tracker/id6761021178)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muzo Premium Monthly | $3.99 | per month |
| Muzo Premium Yearly | $29.99 | per year |
| Muzo Founder Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Critterly free?

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

### Is Muzo free?

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

### Do Critterly or Muzo have ads?

Muzo shows ads; Critterly does not.

### Which is updated more often, Critterly or Muzo?

Critterly ships an update every 10 days, and Muzo every 3 months. Most recently, Critterly was updated on October 25, 2026 and Muzo on October 25, 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.*