Comparison

Flappy_Brain vs Poly Rules!

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Brainwave headset compatibility
  • Focus & Tap game mode
  • Focus Only game mode
  • Obstacle avoidance gameplay
  • High score tracking
Features
Read full description

==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!

About

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.

Highlights
  • Dynamic rule changes
  • Increasingly complex scenarios
  • Cognitive benefit focus
  • Research support available
  • Log storage and analytics (coming soon)
Features
Read 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

Flappy_Brain4 screens
Poly Rules!4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Flappy_Brain ships an update every 2 months, Poly Rules! monthly. Both last shipped on September 24, 2026.

Scorecard3 real differences · 7 level
Flappy_Brain versus Poly Rules!: the parameters behind the verdict, then further details
ParameterFlappy_BrainPoly Rules!
PriceFreeFree
Rating1.0 (1 ratings)4.8 (13 ratings) — better
Positive reviews—80.0% of reviews
Number of ratings113 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better12.0
Further details — not scored
Size85 MB111 MB
Age rating4+4+
DeveloperShenzhen Macrotellect LimitedNortheastern University Information Services

Customer experience

Flappy_Brain

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Poly Rules!

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Flappy_Brain

No in-app purchases

None

Poly Rules!

No in-app purchases

Questions

Is Flappy_Brain free?
Flappy_Brain is free to download, with no in-app purchases.
Is Poly Rules! free?
Poly Rules! is free to download, with no in-app purchases.
Which has better reviews, Flappy_Brain or Poly Rules!?
Poly Rules! is rated higher. Flappy_Brain averages 1.0 out of 5 from 1 ratings, while Poly Rules! averages 4.8 from 13 ratings.
Do Flappy_Brain or Poly Rules! have ads?
Neither Flappy_Brain nor Poly Rules! shows ads.
Which is updated more often, Flappy_Brain or Poly Rules!?
Flappy_Brain ships an update every 2 months, and Poly Rules! monthly. Most recently, Flappy_Brain was updated on September 24, 2026 and Poly Rules! on September 24, 2026.

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