Duality Shift vs Polybeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duality Shift
A mini rhythm game where players shift between two contrasting states to match the music's cadence. Master precision and timing through evolving soundscapes and responsive visuals. Experience harmony within duality.
- Dual state shifting mechanics
- Rhythm-based gameplay
- Evolving soundscapes
- Responsive visuals
- Precision timing challenges
- Interactive musical experience
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Caution: This game may contain strobe effects and flashing lights that could potentially trigger seizures or discomfort for individuals with photosensitive epilepsy or other sensory sensitivities. Player discretion is advised. "Duality Shift: Cadence Flux" is a mini rhythm game that takes players on a journey through the realms of duality and rhythm. In this immersive experience, you'll find yourself at the crossroads of two contrasting states, each represented by its own distinctive energy. Your objective is simple yet challenging: master the art of shifting between these dual states to match the ever-changing cadence of the music. As you progress, you'll encounter intricate patterns and evolving soundscapes that demand your utmost precision and timing. The game's mechanics are designed to test your rhythmic prowess. In one state, you're aligned with the light, flowing effortlessly with the luminous beats that come your way. But with a swift tap, you can shift to the other state, embracing the shadowy, pulsating rhythms that demand a different approach. "Duality Shift: Cadence Flux" offers a visual and auditory experience, with eerie, intriguing visuals that respond to your every move, and a soundtrack that evolves as you progress. It's a game that challenges not only your reflexes but also your ability to find harmony within duality.
Polybeep
Create unique music with a polyrhythmic sound machine. Record or load samples, arrange them into looping shapes, and apply various effects. MIDI input is supported, and songs can be exported as WAV files.
- Polyrhythmic sound generation
- Record microphone audio
- Load sample files
- Looping shape arrangement
- Extensive audio effects
- MIDI input support
- Export to WAV
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From the creators of DefleMask and Minimic, introducing Polybeep, a magnificent polyrhythmic sound machine designed to unlock your creativity. We even prepared a built-in tutorial to get you started. With aesthetically pleasing colors and design alongside unmatched visual feedback, you can really feel the beeping beeps and the poly rhythms. Yes, you can set up polyrhythms as easy as 3-4-5. You can record sounds directly from your microphone or load sample files. There’s some magic to make them sound great. Arrange the sounds into up to 6 looping shapes that can be configured as polygons of 3~16 vertices, then tweak their effects (delay, reverb, EQ, panning, chorus, and more), make a sequence of many melodies, and you’ll have a song in no time! You can even tap to change the tempo based on a rhythmic pulse. MIDI device input is as well supported! MIDI output coming soon! (notes, sync) macOS version is also available! Polybeep has been designed with a touch screen in mind from day one but it works perfectly fine on computers. When ready, you can save your songs and export them to wav files. We’d love to hear the songs that you come up with!
Screenshots
Verdict
The clearest difference is price: Duality Shift at Free against Polybeep's $4.99. Duality Shift also leads on rating (5.0 vs 4.7). Polybeep's advantage is ads (none vs shown) and update cadence (fortnightly vs every 25 months). On in-app purchases, 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
Duality Shift is free to download; Polybeep costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Duality Shift holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Duality Shift ships an update every 25 months, Polybeep fortnightly. Both last shipped on November 3, 2026.
| Parameter | Duality Shift | Polybeep |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (1 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 25 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 78 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Luis Fraga | Leonardo Demartino |
In-app purchases
Duality Shift
No in-app purchases
Polybeep
No in-app purchases









