One Rule vs Mega Donut
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One Rule
This game challenges you to find a hidden logic in each level by observing and analyzing patterns. With over 300 handcrafted puzzles and a minimalist design, it offers a relaxing yet brain-training experience. Play offline, track your progress, and compete on leaderboards.
- Discover hidden rules
- Analyze patterns
- 300+ handcrafted puzzles
- Minimalist design
- Offline play
- Progress tracking
- Leaderboard competition
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Can you find the ONE rule? Every level follows a hidden logic. Observe, analyze, and deduce the pattern. Think differently to solve each puzzle! UNIQUE GAMEPLAY - Discover the hidden rule in each level - Tap objects and observe the feedback - Green means correct, red means wrong - Find the pattern to solve the puzzle TRAIN YOUR BRAIN - 300+ handcrafted puzzles - Progressive difficulty from easy to expert - No time limits - think at your own pace - Perfect for all ages MINIMALIST DESIGN - Clean, distraction-free interface - Relaxing puzzle experience - Dark mode support - Works offline - play anywhere TRACK YOUR PROGRESS - Level up as you solve puzzles - Earn milestone badges - Compete on Game Center leaderboards - Live Activities & Dynamic Island support Challenge your logic skills and discover the ONE rule!
Mega Donut
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Drop cute googly-eyed donuts into the jar. When two identical donuts touch, they merge into a bigger one — all the way up to the legendary donut. Keep the jar from overflowing and chase huge combos. • Simple one-touch drop, juicy physics • Zen mode + Daily Challenge • Collect all 10 donuts, beat your best score • Colorblind mode, larger text, reduced motion • 100% offline · no ads · no in-app purchases
Screenshots
Verdict
The clearest difference is in-app purchases: Mega Donut at none against One Rule's 1. Mega Donut also leads on ads (none vs shown). One Rule's advantage is update cadence (daily vs every 5 days). On price, device support and iOS requirement 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. One Rule sells 1 one-off in-app purchase. Mega Donut asks for nothing beyond the download.
One Rule ships an update daily, Mega Donut every 5 days. Both last shipped on November 5, 2026.
| Parameter | One Rule | Mega Donut |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Daily — better | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 23 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | FURKAN Uruk | Dentagram |
In-app purchases
One Rule
- Premium$3.99
Mega Donut
No in-app purchases
