Flappy_Brain vs Poly Rules!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flappy_Brain
Control a character's flight and jumps using brainwave technology with a compatible headset. Navigate through obstacles in two distinct game modes that test your concentration and reflexes.
- Brainwave headset compatibility
- Focus & Tap game mode
- Focus Only game mode
- Obstacle avoidance gameplay
- High score tracking
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==IMPORTANT NOTE== This App only compatible with the BrainLink brainwave headset accessory. It is NOT compatible with NeuroSky Mindwave Mobile. To purchase the headset, please visit the following link: www.macrotellect.com ==INTRODUCTION== You may have already tried the game Flappy Bird, however, have you ever wonder if you can play it with your mind(Brainwave)? Now, with the BrainLink brainwave headset, you can have a completely different gaming experience of brainwave interaction. This game comes with 2 game mode: 1.Focus & Tap The focus level of your brain control the distance between the obstacles(Zombie arms). The more you concentrate, the further distance in between for passing. Tap the screen to make the Brain(the main character) to jump through the Zombie arms. 2.Focus Only The Focus level control the height of the Brain. More focus you are, higher the Brain flies. Raise it up with your concentration to pass through as much Zombie arms as possible to achieve a high score. Remember, just keep focus and do not get captured by the Zombies!
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.
Screenshots
Verdict
The clearest difference is rating: Poly Rules! at 4.8 against Flappy_Brain's 1.0. Poly Rules! also leads on ratings volume (13 vs 1). Flappy_Brain's advantage is iOS requirement (7.0 vs 12.0). On price, update cadence, ads and in-app purchases 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.
Poly Rules! holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Poly Rules! has 13 ratings behind it against 1, so its average is the more settled of the two.
Flappy_Brain ships an update every 2 months, Poly Rules! monthly. Both last shipped on September 24, 2026.
| Parameter | Flappy_Brain | Poly Rules! |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.8 (13 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | 1 | 13 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 85 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Macrotellect Limited | Northeastern University Information Services |
Customer experience
Flappy_Brain
Poly Rules!
In-app purchases
Flappy_Brain
No in-app purchases
Poly Rules!
No in-app purchases









