# ShiFuML vs PetDex

The clearest difference is in-app purchases: ShiFuML at none against PetDex's 5. ShiFuML also leads on iOS requirement (12.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. PetDex sells 5 in-app purchases, starting at $3.99 per month. ShiFuML asks for nothing beyond the download.

ShiFuML ships an update weekly, PetDex every 5 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ShiFuML | PetDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shifuml/id1471135952/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 32 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IVèS](https://appshunter.io/developer/633401752) | [Tanguy Cortinovis](https://appshunter.io/developer/6792537487) |

## What reviewers say

### ShiFuML

[App page](https://appshunter.io/ios/app/shifuml/id1471135952)

This game uses machine learning to recognize hand signs for a unique Rock Paper Scissors experience. Challenge friends via iMessage and contribute to technology for the deaf and hard of hearing.

**Highlights:** Machine learning sign recognition, Rock Paper Scissors gameplay, iMessage extension for challenges, Contribute to accessibility technology, Instant sign recognition

**Features:** macOS Compatibility

**In-app purchases:** none


### PetDex

[App page](https://appshunter.io/ios/app/petdex/id6792537485)

Capture photos of dogs and cats to create collectible cards with unique stats and breeds. Engage in real-time duels with teams of three, compare collections with friends, and explore a shared map of animal encounters. Unlock all 284 breeds and showcase premium cards.

**Highlights:** Photo-based pet card collection, Breed and rarity tracking, Real-time 3v3 duels, Friend leaderboards and comparisons, Shared animal encounter map, Unlockable dog and cat breeds

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PetDex Plus Monthly | $3.99 | per month |
| PetDex Plus Yearly | $34.99 | per year |
| Une poignée de croquettes | $2.99 | one-time |
| Un sachet de croquettes | $5.99 | one-time |
| Un sac de croquettes | $12.99 | one-time |


## Frequently asked questions

### Is ShiFuML free?

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

### Is PetDex free?

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

### Do ShiFuML or PetDex have ads?

Neither ShiFuML nor PetDex shows ads.

### Which is updated more often, ShiFuML or PetDex?

ShiFuML ships an update weekly, and PetDex every 5 days. Most recently, ShiFuML was updated on October 15, 2026 and PetDex 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.*