Brain Games Brains15 vs Poly Worlds
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Brain Games Brains15
This app offers a collection of fifteen classic puzzle games designed to challenge your mind. It includes popular titles like Sudoku, Minesweeper, and the 15 puzzle, providing a variety of brain-training exercises.
- Fifteen classic puzzle games
- Sudoku variants
- Minesweeper
- 15 puzzle
- Memory and logic challenges
- Color and territory puzzles
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This is fifteen puzzle game! You might be a genius if you can complete all! [Built-in game] １．Sudoku ２．Inequality Sudoku ３．Minesweeper ４．Net ５．To erase all colors ６．All White on one color ７．All travel white ８．15 puzzle ９．Pairs １０．Cube １１．Bridge １２．All-shine １３．Color Wakero the territory １４．Number - and Wakero the territory １５．Yin and yang
Poly Worlds
Engage your keen observation skills in a vibrant world of detailed scenes. Search and tap to find hidden items before the clock runs out, with unlimited retries and no pressure.
- Zoom and tap to search
- Find hidden objects
- Beat the timer
- Unlimited retries
- Toy-inspired scenes
- Playful environments
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Step into a cozy world of color and charm, where your sharp eyes and quick thinking will help you win the race against time! In this beautifully illustrated hidden object game, you’ll zoom, tap, and search through toy-inspired scenes full of delightful detail. Your goal? Find every object before the timer runs out. There’s no life system here—you can tap as many times as you need. All that matters is your focus and speed! Explore playful, toony environments Beat the timer in every level No pressure—just colorful fun and unlimited retries Perfect for detail lovers and puzzle fans alike Whether you're looking for a quick challenge or a cozy visual escape, this hidden object experience is crafted for you. Download now and let the search begin!
Screenshots
Verdict
The clearest difference is ads: Brain Games Brains15 at none against Poly Worlds's shown. Brain Games Brains15 also leads on monetization model (free vs ad-supported) and iOS requirement (10.0 vs 15.0). Poly Worlds's advantage is update cadence (weekly vs every 3 months). On price, 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.
Brain Games Brains15 ships an update every 3 months, Poly Worlds weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Brain Games Brains15 | Poly Worlds |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 47.2% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 191 MB |
| Age rating | 4+ | 4+ |
| Developer | James Watson | BugFix Games Entertainment |
In-app purchases
Brain Games Brains15
No in-app purchases
Poly Worlds
No in-app purchases
Questions
Is Brain Games Brains15 free?
Is Poly Worlds free?
Do Brain Games Brains15 or Poly Worlds have ads?
Which is updated more often, Brain Games Brains15 or Poly Worlds?
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