Rules! vs Star Duster
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rules!
Engage in a fast-paced, challenging, and fun puzzle game with a hundred levels. Features a daily brain workout for Apple Watch and animated stickers. Offers multiple game modes and unique mechanics.
- Daily Apple Watch brain workout
- Animated sticker pack
- Beginner, Expert, or Timeless game modes
- Multi-touch interface
- Color perception assistance
- Surprising new game mechanics
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• Includes a daily brain workout mini-game for Apple Watch • Includes animated sticker pack • App Store – Best Apple Watch Game of 2015 • App Store – Best of 2014 • German Developer Award 2014 – Best mobile Game • German Video Game Award 2015 – Best mobile Game • Pocket Gamer Awards 2015 Finalist Best Casual/Puzzle Game & Most Innovative Game RULES! is a cute puzzle game that's challenging, fast-paced and fun. • Choose your preferred type of game: Beginner, Expert or Timeless • “What’s presented here is a stylish, original, clever puzzle game that I’m having trouble putting down long enough to write this review.” ~ Gamezebo “A delightfully constructed memory test that grows in complexity and appeal the deeper in you go.” ~ Pocket Gamer “The Coding Monkeys have never released anything that wasn’t utterly brilliant, therefore Rules shall almost certainly be brilliant.” ~ Pocket Tactics Follow RULES! into a hundred level-deep maze of cuteness and order: • Multi-touch interface at its finest • Color perception assistance mode • Whales, Unicorns, Robots and Squirrels! • A plethora of surprising new game mechanics
Star Duster
Experience a retro-inspired arcade challenge that harks back to the 80s. Control your character through unique gameplay mechanics, including physical head movements via push-ups, and enjoy an immersive soundscape. Compete for high scores across two distinct game modes.
- Two distinct game modes
- High score lists
- Head control via push-ups (iOS)
- Retro 80s aesthetic
- Immersive soundscape
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***** "A rare Apple Watch game that's actually worth playing" - iMore ***** "A game you’ll return to" - GQ Magazine ***** "Travel back to the 80s" - AppAdvice Star Duster for iPhone and Apple Watch takes handheld games (and you) back to their origins: - Two game modes with different challenges, gameplay and high score lists! - Let's get physical! Get exercise and a new type of challenge by controlling Star Duster with your head through push ups (iOS) - A Beep-boop-ity soundscape that will get stuck on your brain! Star Duster is a prequel to the mobile arcade mayhem that is Star Jolt. Can it explain why the space junk is lined up so neatly?
Screenshots
Verdict
The clearest difference is rating: Star Duster at 5.0 against Rules!'s 4.2. Star Duster also leads on chart position (#180 vs unranked). Rules!'s advantage is monetization model (free vs paid) and ratings volume (67 vs 2). 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
Rules! costs $2.99 and Star Duster $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Star Duster holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Rules! has 67 ratings behind it against 2, so its average is the more settled of the two.
Rules! ships an update monthly, Star Duster every 3 weeks. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.
| Parameter | Rules! | Star Duster |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 4.2 (67 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 68.5% of reviews | — |
| Number of ratings | 67 — better | 2 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #180 — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod, Apple Watch |
| Requires iOS | 15.2 | 14.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 137b | Beardybird AB |
Customer experience
Rules!
Star Duster
Bugs and requests
Rules!
Reported bugs
2 issues- Freezing and crashing issues, especially on Apple Watch
- Unresponsive tapping on certain tiles
Requested features
5 requests- Option to save progress and continue from last level
- Randomized rule order
- Difficulty settings with longer time limits
- Colorblind accessibility options
- More game modes and challenges
Star Duster
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rules!
No in-app purchases
Star Duster
No in-app purchases
