# OtaQuiz vs PetDex

The clearest difference is monetization model: OtaQuiz at free against PetDex's free with in-app purchases. PetDex's advantage is iOS requirement (15.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

OtaQuiz ships an update every 3 days, PetDex every 4 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | OtaQuiz | PetDex |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 253 MB | 32 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Limaraxa S.L.](https://appshunter.io/developer/837657908) | [Tanguy Cortinovis](https://appshunter.io/developer/6792537487) |

## What reviewers say

### OtaQuiz

[App page](https://appshunter.io/ios/app/otaquiz/id732952775)

Test your anime knowledge by guessing the titles of 300 selected anime. Earn points and in-game currency to help you progress. Unlock special game modes like guessing anime OSTs or competing in time trials.

**Highlights:** Guess anime titles, Identify anime OSTs, Time trial challenges, Earn points and in-game currency, Unlockable game modes

**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:** none


## Frequently asked questions

### Is OtaQuiz free?

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

### Is PetDex free?

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

### Do OtaQuiz or PetDex have ads?

Neither OtaQuiz nor PetDex shows ads.

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

OtaQuiz ships an update every 3 days, and PetDex every 4 days. Most recently, OtaQuiz was updated on October 13, 2026 and PetDex on October 18, 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.*