PianiCian vs Ring Rush
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
PianiCian
This app transforms your device into a piano, allowing you to play any song with simple touch controls. It features AI song generation, MIDI keyboard connectivity, and customizable rhythm game elements for practice and enjoyment.
- AI song generation
- 12-key touch interface
- MIDI keyboard compatibility
- Customizable difficulty and tempo
- Part and octave display
- SoundFont support
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◎ Introducing a "Big Piano" AR —play the piano with your feet, using your camera! ◎ Now express dynamics (velocity) on the touch! ◎ YouTube → Direct MIDI sheet music conversion & High-speed AI analysis Available! ◎ 128 tones! Standard support for Sound Font (GM standard). Fully compatible with mute/manual/auto playback for each performance part, tone changes, and drums (percussion) using only the app. ◎ You can now play using a PC keyboard (USB/BLE connection)! + Sastain [Shift-key] ◎ [Cat's Paw] function, let you easily play High-speed Rapid-fire notes & Tremolos! ◎ AI generates any song you want! ◎ The world's first and only app to authentically play any piano song with just 12 touch keys! ◎ Connect to a MIDI keyboard for even more fun! ◎ SoundFont compatible! -play with your favorite sounds! ◎ [OctaveS, 12, 24, 36, 48, 60, 72, 88] Keyboard display function for serious practice! ◎ We've incorporated authentic performance elements into a rhythm game! ◎ Display by part (melody, chords, etc.) and by octave is now possible → Practice each part or octave by placing it on a real piano, or enjoy playing the piano with multiple people simultaneously! Simply press the keys like whack-a-mole when the falling blocks (notes) hide the keys (buttons). It's designed so that anyone can achieve advanced performances with just that. You can customize the song's difficulty, tempo, block (note) speed, and the part you play! Enjoy both as a game and as a keyboard performance at the same time! Connect a MIDI-compatible keyboard to play with a game-like feel! Load MIDI files and enjoy everything from pop to classical music! (In-app sales are in preparation) ◆ When connected via MIDI-USB... Benefit ①: Performance response equivalent to a keyboard instrument (speed, strength, timbre, feel) Benefit ②: Learn, play, and enjoy the piano with a game-like feel, and keep it up! Benefit ③: Exercise and train your brain and fingers *On iOS, sound may stop when returning from the background. Please try [reload] or changing the sound.Benefit ④: Electronic instruments can be operated from a touch panel
Ring Rush
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A fresh take on dynamic visual training, built around the "Landolt ring" (C-shape) used in classic eye exams. The rule is simple: spot the gap in the ring and swipe in that direction—fast. Simple to learn, deep to master, designed for focused mini-sessions of just a few minutes. ▼ Perfect for - Anyone training reflexes or dynamic vision - Athletes and esports players sharpening performance - Commuters and break-takers wanting a quick brain workout - Score chasers who love seeing themselves improve ▼ 5-Phase Progression Rings get smaller, faster, and more complex as you climb. - Phase 1: 4 directions / large rings to learn the basics - Phase 2: 8 directions / medium rings to sharpen judgment - Phase 3: Speed reads + shrinking rings + timer - Phase 4: Multi-ring (×2) to train parallel processing - Phase 5: Hard mode / fake rings / fast timer ▼ Key Features - Classic mode: Endless climb through every phase - Practice mode: Drill the phases you struggle with - Daily Challenge: Compete on a fresh seed every day - Global Ranking: Compare your scores worldwide - Stats & Graphs: Track score, reaction time, and phase distribution - Achievements: Unlock more the more you play ▼ What You'll See Measured - Score / Best Vision / Accuracy / Average Reaction Time / Max Phase / Max Combo Check your dynamic vision in real numbers after every run. ▼ Built With Care - One-handed, friction-free controls - Snappy, distraction-free pacing - Sound and haptics toggle independently - Core gameplay works offline Warm up your eyes and brain in the gaps of your day. What's your dynamic vision score today?
Screenshots
Verdict
The clearest difference is update cadence: Ring Rush at every 2 days against PianiCian's every 2 weeks. Ring Rush also leads on iOS requirement (13.0 vs 15.6). On price, ads, 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. PianiCian sells 1 one-off in-app purchase and Ring Rush sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
PianiCian ships an update every 2 weeks, Ring Rush every 2 days. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.
| Parameter | PianiCian | Ring Rush |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | RENKUL, INC. | Hirotaka Kouso |
In-app purchases
PianiCian
- pianician_30days$5.99
Ring Rush
- Ring Rush プレミアム$2.99









