# Poly Rules! vs Duelitaire

The clearest difference is in-app purchases: Poly Rules! at none against Duelitaire's 4. Poly Rules! also leads on iOS requirement (12.0 vs 15.0). Duelitaire's advantage is review sentiment (94% vs 80%) and ratings volume (48 vs 13). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Duelitaire sells 4 one-off in-app purchases. Poly Rules! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Poly Rules! against 4.9 for Duelitaire. Both are backed by a comparable volume of ratings — 13 and 48 respectively. Written reviews are what separate them: 80% of Poly Rules!'s written reviews are positive against 94% of Duelitaire's.

Poly Rules! ships an update monthly, Duelitaire every 3 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Poly Rules! | Duelitaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews) | **[4.9 (48 ratings)](https://appshunter.io/ios/app/duelitaire-battle-solitaire/id1560689624/reviews)** |
| Number of ratings | 13 | **48** |
| Positive reviews | 80.0% of reviews | **94.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 111 MB | 314 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [About Us LLC](https://appshunter.io/developer/1560689626) |

## What reviewers say

### Poly Rules!

[App page](https://appshunter.io/ios/app/poly-rules/id1115877374)

A challenging sorting game where the rules dynamically change as you progress. It offers increasingly complex scenarios to test your cognitive abilities. Researchers can inquire about using the game for studies.

**Highlights:** Dynamic rule changes, Increasingly complex scenarios, Cognitive benefit focus, Research support available, Log storage and analytics (coming soon)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duelitaire

[App page](https://appshunter.io/ios/app/duelitaire-battle-solitaire/id1560689624)

Engage in strategic, turn-based card battles where skill is paramount. Customize your deck with unique card, field, and avatar designs. Challenge opponents in various modes, from standard PvP to custom local duels and skill-testing challenges.

**Highlights:** Turn-based PvP card battles, Customizable card, field, and avatar designs, Standard and custom duel modes, Challenging single-player modes, Skill-based strategy gameplay, Achievement and leveling system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 Duellions | $0.99 | one-time |
| 2000 Duellions | $4.99 | one-time |
| 5000 Duellions | $9.99 | one-time |
| 12000 Duellions | $19.99 | one-time |


## Frequently asked questions

### Is Poly Rules! free?

Poly Rules! is free to download, with no in-app purchases.

### Is Duelitaire free?

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

### Which has better reviews, Poly Rules! or Duelitaire?

Duelitaire is rated higher. Poly Rules! averages 4.8 out of 5 from 13 ratings, while Duelitaire averages 4.9 from 48 ratings.

### Do Poly Rules! or Duelitaire have ads?

Neither Poly Rules! nor Duelitaire shows ads.

### Which is updated more often, Poly Rules! or Duelitaire?

Poly Rules! ships an update monthly, and Duelitaire every 3 weeks. Most recently, Poly Rules! was updated on October 11, 2026 and Duelitaire on October 15, 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.*