Circadia vs Rytmos
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Circadia
Engage your mind with a challenging yet simple puzzle game. Tap dots to align rings with a central target simultaneously. Discover a unique and innovative gaming experience from a studio known for its creative titles.
- Tap dots to align rings
- Hit the white dot simultaneously
- Unique puzzle mechanics
- Innovative game design
- Challenging gameplay
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Tap dots and make all the rings hit the white dot at once. Simple? Sure, keep telling yourself that. Try it and see for yourself. STORY: In 2011 Circadia was the first big hit game from Simple Machine, makers of Pop the Lock, Calculator: The Game, and _-_. Circadia went on to become a Starbucks App of the Week and gathered a bunch of great fans. Try it and see how it inspired our path of making unique and innovative games. And to our fans, ESPECIALLY the ones who downloaded Circadia way way back in the day. Thank you for supporting us and sticking with us. We love making games for you and will continue to! This one is for you! Hugs, Team Simple Machine
Rytmos
Solve maze puzzles to create evolving musical compositions. Explore planets, discover new sounds, and unlock musical toys. This relaxing game also offers insights into music history.
- Maze puzzle gameplay
- Music creation
- Planet exploration
- Unlockable musical toys
- Music history facts
- Expansion pack included
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Rytmos is a relaxing puzzle game, where you create music by solving maze puzzles. Travel from planet to planet and discover new music. Solve the puzzles on each side of the cubic planets and create small musical loops that slowly evolves into full music compositions. Unlock 20+ musical toys and jam on top of the planet music. Learn a bit of rare music history while playing the game. This version of the game now includes a large expansion pack.
Screenshots
Verdict
The clearest difference is rating: Circadia at 4.6 against Rytmos's 3.6. Circadia also leads on review sentiment (85% vs 48%) and ratings volume (11K vs 62). On price, ads, in-app purchases and monetization model 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. Circadia sells 1 one-off in-app purchase and Rytmos sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Circadia holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: Circadia has 11K ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 85% of Circadia's written reviews are positive against 48% of Rytmos's.
Circadia ships an update every 3 weeks, Rytmos every 2 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Circadia | Rytmos |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (11K ratings) — better | 3.6 (62 ratings) |
| Positive reviews | 85.4% of reviews — better | 47.7% of reviews |
| Number of ratings | 11K — better | 62 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 102 MB | 730 MB |
| Age rating | 4+ | 4+ |
| Developer | Simple Machine, LLC | Floppy Club |
Customer experience
Circadia
Rytmos
User reviews
Circadia
From 11K App Store ratingsWhat we love
- 🎶 Relaxing and soothing audio experience
- 👍 Unique and challenging gameplay
- 🧠 Mentally stimulating and engaging
- 🎨 Elegant and minimalist visual design
Room to improve
- 🐛 Occasional bugs and crashes
- 🔄 Lack of progress saving/syncing across devices
- 🔄 Orientation issues on certain devices
- 🕹️ Difficulty curve can be frustrating at times
Rytmos
From 62 App Store ratingsWhat we love
- ✨ Beautiful design and graphics
- 🎶 Engaging music and sound design
- 🧠 Interesting and addictive puzzles
- 💡 Informative about music history and instruments
- 😌 Relaxing and enjoyable gameplay
Room to improve
- 💥 Frequent crashes and unresponsiveness
- ⚫ Black screen on launch
- 💰 Expensive for full version/expansions
- 🚫 Paywall after demo
- 📶 Requires internet connection
Bugs and requests
Circadia
Reported bugs
2 issues- Game freezes when asked to rate the app
- Compatibility issues with newer iOS versions
Requested features
3 requests- Ability to save progress and continue on other devices
- More levels and increased difficulty options
- Customizable audio options (e.g. different instrument sounds)
Rytmos
Reported bugs
15 issues- App crashes on startup
- Black screen on launch
- Game freezes during purchase process
- Purchases not syncing across devices
- No sound issues
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- Levels not clickable after completion
- Graphical clipping issues
- Unintended solutions in puzzles
- Input latency in jam section
- Slider cube off-screen on certain devices/planets
- Words/text not displaying correctly
- Game not loading on older iPhones
- App closes unexpectedly
- Purchase verification issues
- Demo version not unlocking full game after purchase
Requested features
10 requests- Add multi-touch functionality for instruments
- Improve jam section responsiveness
- Allow viewing instrument history after unlock
- Port to VR
- Add more free levels or planets
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- Fix display issues with button text
- Improve clarity on how sounds overlap
- Make the game more accessible to non-musicians
- Add challenges to extend playtime
- Consider a full game with ads instead of a high upfront cost
In-app purchases
Circadia
- Remove Ads$2.99
Rytmos
- Unlock the galaxy$4.99
