4 Games at Once vs Poly Rules!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
4 Games at Once
Experience a unique challenge with four simple games played simultaneously. Test your multitasking abilities and see if you can master this difficult brain game. It's designed to push your skills to the limit.
- Four simultaneous games
- Challenging gameplay
- Multitasking test
- Simple controls
- High skill ceiling
Read full descriptionHide full description
Four super simple games alone, but together they become the most impossible multi-game ever! Put your skills to the test, because this game will challenge you like never before. Good luck being the best multitasker!
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)
Read full descriptionHide full description
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.
Screenshots
Verdict
The clearest difference is update cadence: Poly Rules! at monthly against 4 Games at Once's every 6 months. 4 Games at Once's advantage is review sentiment (100% vs 80%) and iOS requirement (6.0 vs 12.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 4.8 for 4 Games at Once against 4.8 for Poly Rules!. Both are backed by a comparable volume of ratings — 5 and 13 respectively. Written reviews are what separate them: 100% of 4 Games at Once's written reviews are positive against 80% of Poly Rules!'s.
4 Games at Once ships an update every 6 months, Poly Rules! monthly. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.
| Parameter | 4 Games at Once | Poly Rules! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) | 4.8 (13 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 5 | 13 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | GammaLateral LLC | Northeastern University Information Services |
Customer experience
4 Games at Once
Poly Rules!
In-app purchases
4 Games at Once
No in-app purchases
Poly Rules!
No in-app purchases









