Prism MIDI Sequencer vs Polyrhythm Explorer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prism MIDI Sequencer
This app is a powerful 16-track MIDI step sequencer designed for iOS devices. It allows users to create complex musical patterns with high resolution, elastic timing, and per-step control. It integrates with external synths and samplers, offering extensive features for melody, harmony, and drum sequencing.
- 16-track AUv3 MIDI step sequencer
- High resolution and elastic timing
- Per-step control and step FX
- Scale modes and flow modes for tonal tracks
- 16 mini-sequencers per drum track
- LFOs, arpeggiator, and generative tools
- Scene and mute profile performance modes
Read full descriptionHide full description
Prism is a 16-track AUv3 MIDI step sequencer for iPhone and iPad that turns sparks of inspiration into living, breathing music. It’s built for touch and flow—pair it with your favorite synths, samplers, drum apps, and gear. Key Features ------------- [ Sequencing Engine ] ---------------------- - High resolution: 1/32 steps, up to 512 trigs/pattern, swing, polyphony, micro-timing per step - Elastic timing: per-sequence lengths plus smooth speed changes for real polyrhythm/polymeter - Per-step control: parameter locks and Step FX - Playback modes: Standard, Overlap, Trig Legato, Drone - Capture everything: live record with quantize, retroactive recording (always listening), and tap-in steps - Human feel & probability: Chance, Every, Hold, Range, Accent [ Tonal Tracks (Melody & Harmony) ] ------------------------------------ - Always in key: scale modes across the app (use built-in scales or create your own) - Note input modes: Poly, Chord Simple, Chord Multi, Chord Blocks - Flow modes (musical logic): Standard, Peek, Echo, Melt, Mirror - Per-Trig Step FX: Velocity, Pitch, Ratchet, Strum - Multi-Seq: 4 independent sequencers per tonal track to weave interlocking parts - Import and edit .MIDI files [ Drum Tracks (Kits & Samplers) ] ---------------------------------- - 16 mini-sequencers per drum track with independent settings, FX, and controls - Modular linking, advanced layering, and Drum↔Tone interactions for shared timing tricks - Drum profiles for fast kit routing and universal connectivity - Per-Trig Step FX (drum): Velocity, Length, Ratchet, Flam [ Modulation, Generative & Creative Tools ] ------------------------------------------- - 6 LFOs per track (track-tied and CC-tied) for tempo-synced movement and evolving patterns - Per-track/pattern 16-step Arpeggiator—from classic to experimental - Harmonizer and Hue Sequencer for chord color and phrase rotation - Tape-style MIDI Slicer & Looper (per track/pattern) for instant remixing - Smart randomizers: one-tap generation for drum patterns, sequences, and fx. [ Performance, Workflow & UI ] ------------------------------ - Scenes, mute profiles, and bar looper to play, capture, and perform. - Fast edits: copy, paste, multi-select, quick duplicate - Multi-touch keypad matrix & sequencer for hands-on control - Light & Dark themes - Host-aware saving (internal presets + AUv3 state) [ Hardware & Host Integration ] ------------------------------- - Deep, bi-directional control for Novation Launchpad (Pro, Mk3, Mini, X) and Launchkey Mini MK4 with LED feedback & mappings - External MIDI in/out/thru, per-track channel routing - AUv3 works in leading hosts (e.g., AUM, Logic Pro for iPad) [ Timing & Specs ] ------------------- - High-precision engine: 480 PPQN for tight playback at any tempo - iPhone & iPad AUv3 (MIDI-only; no built-in sounds) ---------- Find more info at sites.google.com/view/prism-midi-sequencer/home Happy creating, y’all. —A Mortal Mage
Polyrhythm Explorer
Learn and master complex rhythmic patterns with interactive guides and visual tools. Explore polyrhythms through written lessons, video tutorials, and customizable sound options. Ideal for musicians of all levels seeking to deepen their rhythmic understanding.
- Written guides and video tutorials
- Linear and Grid Layout Modes
- Voice Count for isolated rhythms
- Customizable sounds (drums, keyboard)
- Polymeter visualization
- Sample-accurate timing
- Full-Screen Mode
Read full descriptionHide full description
Master Polyrhythms with Ease—No Prior Knowledge Needed... Whether you’re a beginner or an advanced musician, Polyrhythm Explorer provides you with everything you need to understand and master polyrhythms. Polyrhythm Explorer features: - Written guides and video tutorials teach you what polyrhythms are and how to understand a polyrhythm step-by-step. - Linear and Grid Layout Modes: Easily visualize how two rhythms interact with each other in a polyrhythm. See how the rhythms relate to help you understand them. - Voice Count: Isolate one rhythm or the other in a polyrhythm and hear it counted out loud. - Full-Screen Mode: Hide controls for an immersive, focused learning experience. Perfect for creating videos teaching polyrhythms. - Customizable Sounds: Experience polyrhythms on a drum kit or as melodic keyboard patterns. - Polymeters: With subdivisions on, you can hear a polyrhythm as a polymeter. - Sample-accurate timing. Can be used as a metronome. - Seamless Integration with PolyNome --- Polyrhythm Explorer is the perfect companion to PolyNome (also available on the App Store). Export polyrhythms to PolyNome to view them as notation or circular visuals. PolyNome also supports 3-way polyrhythms and offers numerous features beyond polyrhythms. Start Your Rhythmic Journey Today! Transform your musical skills and explore the complexity of rhythms with Polyrhythm Explorer.
Screenshots
Verdict
The clearest difference is price: Polyrhythm Explorer at $4.99 against Prism MIDI Sequencer's $19.99. Polyrhythm Explorer also leads on in-app purchases (none vs 5). Prism MIDI Sequencer's advantage is rating (4.8 vs 4.5). On review sentiment, ratings volume, update cadence and ads 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
Prism MIDI Sequencer costs $19.99 and Polyrhythm Explorer $4.99 up front. Prism MIDI Sequencer sells 5 one-off in-app purchases. Polyrhythm Explorer asks for nothing beyond the download.
Prism MIDI Sequencer holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 33 and 12 respectively. Written reviews complicate that: 86% of Prism MIDI Sequencer's written reviews are positive against 88% of Polyrhythm Explorer's, so the app with the better star average is not the one people write more warmly about.
Prism MIDI Sequencer ships an update every 2 weeks, Polyrhythm Explorer every 8 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | Prism MIDI Sequencer | Polyrhythm Explorer |
|---|---|---|
| Price | $19.99 | $4.99 — better |
| Rating | 4.8 (33 ratings) — better | 4.5 (12 ratings) |
| Positive reviews | 85.7% of reviews | 87.5% of reviews — better |
| Number of ratings | 33 — better | 12 |
| Update frequency | Every 2 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 55 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tyler Quatraro | PolyNome Ltd |
Customer experience
Prism MIDI Sequencer
Polyrhythm Explorer
In-app purchases
Prism MIDI Sequencer
- LFO Extension$4.99
- Step FX$4.99
- Multi-Sequencer [Tone Tracks]$4.99
Show 2 moreShow fewer
- Launchkey Mini MK4 Control$4.99
- Euclidean Sequencer Extension$4.99
Polyrhythm Explorer
No in-app purchases
Questions
Is Prism MIDI Sequencer free?
Is Polyrhythm Explorer free?
Which has better reviews, Prism MIDI Sequencer or Polyrhythm Explorer?
Do Prism MIDI Sequencer or Polyrhythm Explorer have ads?
Which is updated more often, Prism MIDI Sequencer or Polyrhythm Explorer?
Other comparisons















