Comparison

Soundipity vs SynthBridge MIDI Synth

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Soundipity

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Soundipity — A Generative MIDI Instrument You Play Live Soundipity is a real-time generative MIDI instrument you play like an instrument. Shape probability, scales, rhythms, chord progressions, and note ranges on the fly—the engine responds instantly so you can sculpt evolving music in motion. Soundipity can drive melodic instruments, drums, or both at once, route multiple voices to different instruments, and keep everything perfectly in sync. Connect it to your DAW (Logic Pro, GarageBand, Cubasis, etc.) or any MIDI-capable synth, hit record, and capture full performances as you tweak. What you can do Play melodies or drums Generate melodic lines, drum patterns, or layered combinations—each voice can target its own MIDI channel or instrument. Control everything in real time Adjust probability, rhythms, ranges, intervals, velocity, and tempo while the music plays. No stopping, no reprogramming. Use your own chord progressions Input custom chord progressions or harmonic modes so voices evolve while staying musically grounded. Run multiple voices in sync Drive multiple instruments at once, each with independent behavior, locked to the same clock. Shape live structure with Zones Save complete states as Zones for different sections and switch instantly during performance or recording. Built for studio and stage Improvise live or record evolving takes directly into your DAW in a single pass. Key features • Melodic and drum-oriented MIDI generation • Custom chord progressions and chord-aware filtering • Probability controls, rhythm presets, interval settings, and loop lengths • Multi-voice setup with per-voice MIDI routing • Zone saving and instant switching • Real-time tempo control with immediate response • MIDI-first design for software and hardware instruments • Works on iPhone and iPad In-app purchase Soundipity is free to get started so you can explore the workflow and start making music right away. Soundipity Pro unlocks unlimited voices and unlimited Zones for deeper layering and larger performances. Great for • Live electronic improvisation • Playing generative music like an instrument • Driving synths, drum machines, and plug-ins together • Capturing evolving ideas in a single DAW recording pass

About

SynthBridge MIDI Synth

Transform your device into a versatile MIDI sound module and virtual piano. Load SoundFont files, connect controllers, and utilize expressive performance tools for practice, production, or live music.

Highlights
  • MIDI controller support (Bluetooth, USB, Network)
  • SoundFont (SF2/SF3) loading and playback
  • Multi-touch piano keyboard and drum pads
  • Pitch bend and modulation wheels
  • MIDI file playback and recording
  • Customizable velocity curves
Features
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Connect your MIDI keyboard, choose a sound, and play. SynthBridge turns your phone or tablet into a portable sound module and practice workspace. You can also start with the on-screen piano and drum pads. Your sounds: use the built-in library or import SF2/SF3 SoundFonts. Layer sounds and adjust their balance, effects and keyboard ranges. Your keyboard: connect compatible USB MIDI or Bluetooth MIDI devices. Control supported parameters with MIDI CC messages. Your practice: play MIDI files, follow the note visualization, and combine a metronome, loops and Style accompaniment. Your ideas: record MIDI performances, keep named drafts, preview takes and export MIDI files. MIDI files can also be converted to WAV or AAC audio. Your setup: save performance scenes and return to your sounds and playing settings. Use portrait or landscape layouts on phones and tablets. Some features and resources require in-app purchases. iOS or iPadOS 15.0 or later. USB and Bluetooth MIDI require compatible devices and accessories. https://synth.64bit.us/privacy.html https://synth.64bit.us/terms.html

Screenshots

Soundipity4 screens
SynthBridge MIDI Synth4 screens

Verdict

The call

The clearest difference is update cadence: SynthBridge MIDI Synth at every 2 weeks against Soundipity's every 6 weeks. SynthBridge MIDI Synth also leads on iOS requirement (15.0 vs 18.2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Soundipity sells 1 one-off in-app purchase and SynthBridge MIDI Synth sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Soundipity ships an update every 6 weeks, SynthBridge MIDI Synth every 2 weeks. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Soundipity versus SynthBridge MIDI Synth: the parameters behind the verdict, then further details
ParameterSoundipitySynthBridge MIDI Synth
PriceFreeFree
Rating—4.8 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.215.0 — better
Further details — not scored
Size20 MB76 MB
Age rating4++4
DeveloperANDREW ROBERT HAEFNER啟东 徐

In-app purchases

1 purchases

Soundipity

One-time1
  • Soundipity Pro$14.99
7 purchases

SynthBridge MIDI Synth

Subscriptions2
  • Cloud Monthly7 Days trial$1.991 Month
  • Cloud Yearly7 Days trial$12.991 Year
One-time5
  • Supporter Tip$0.99
  • Remove Ads$1.99
  • Supporter Plus$4.99
Show 2 more
  • SynthBridge Pro$4.99
  • Supporter Patron$9.99

Questions

Is Soundipity free?
Soundipity is free to download, with in-app purchases available.
Is SynthBridge MIDI Synth free?
SynthBridge MIDI Synth is free to download, with in-app purchases available.
Do Soundipity or SynthBridge MIDI Synth have ads?
Neither Soundipity nor SynthBridge MIDI Synth shows ads.
Which is updated more often, Soundipity or SynthBridge MIDI Synth?
Soundipity ships an update every 6 weeks, and SynthBridge MIDI Synth every 2 weeks. Most recently, Soundipity was updated on October 4, 2026 and SynthBridge MIDI Synth on October 25, 2026.

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