Poly Rules! vs Crypzzle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Poly Rules!
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.
- Dynamic rule changes
- Increasingly complex scenarios
- Cognitive benefit focus
- Research support available
- Log storage and analytics (coming soon)
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PolyRules is a challenging sorting game where the rules change as you play. As you progress through the game you will encounter increasingly more complicated scenarios that challenge you in ways you can't imagine. The current release is our first prototype and we will update the game semi-frequently as we move towards a design that features tried and true game design to facilitate the cognitive benefits this game aids to provide. Researchers who are interested in using this game for their own studies please reach out to us to us through our support page for more information on how to best use this App. We have several ways to support you including a central server to store logs and automatic analytics which will be implemented in the coming weeks.
Crypzzle
Engage your mind with logic and cryptography puzzles. This game offers multiple challenges, including cryptograms and code-breaking, suitable for all skill levels. Play offline and track your progress with detailed statistics.
- Multiple cryptographic puzzle games
- Offline play capability
- Auto-save progress
- Statistics and achievements tracking
- Suitable for beginners and experts
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Discover Crypzzle, a captivating game blending logic and cryptography. Challenge your mind with a variety of puzzles, all centered around cryptographic concepts. Perfect for both beginners and experts, Crypzzle offers a variety of challenges designed to test and enhance your problem-solving skills. Main Features: Multiple Games: Enjoy several games, each featuring unique cryptographic puzzles, such as Cryptogram, Cardan Grille, Mastermind, and others. Offline Play: Solve puzzles anytime, anywhere, without needing an internet connection. Auto-Save: Never lose your progress with our convenient auto-save feature. Statistics: Track your progress, best times, and achievements to see how you improve. Install Crypzzle for free and start your journey into the world of cryptography!
Screenshots
Verdict
The clearest difference is ads: Poly Rules! at none against Crypzzle's shown. Poly Rules! also leads on monetization model (free vs ad-supported) and ratings volume (13 vs 2). Crypzzle's advantage is rating (5.0 vs 4.8). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crypzzle holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Poly Rules! has 13 ratings behind it against 2, so its average is the more settled of the two.
Poly Rules! ships an update monthly, Crypzzle every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Poly Rules! | Crypzzle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (13 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 13 — better | 2 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 111 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Northeastern University Information Services | Maksim Dzerkach |
Customer experience
Poly Rules!
Crypzzle
In-app purchases
Poly Rules!
No in-app purchases
Crypzzle
No in-app purchases
