Comparison

SynthBridge MIDI Synth vs SoundPad

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

Head to head
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
Read full description

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

About

SoundPad

Features
Read full description

Your keyboard just became every instrument you've ever wanted. Connect a MIDI keyboard by USB or Bluetooth and SoundPad's custom-built audio engine turns your iPhone into a sound module: play grand pianos, vintage synths, strings, and drum kits with instant response — sustain pedal, pitch bend, and velocity included. Plug into a USB keyboard and your sound even plays out through the keyboard's own speakers. No laptop. No interface. Just plug in and play. And when inspiration hits, everything you need to finish the track is already in your pocket. PLAY • Ultra-responsive keys, 16 velocity-sensitive drum pads, and Note Repeat for rolls • Load SoundFonts (SF2) — thousands of free instruments available online, plus a built-in store with ready-to-play packs • Turn any recording or audio file into a playable instrument • Scale lock so every note you hit is in key CREATE • Starter Ideas: pick a genre, get a full groove in one tap — then make it yours • Record your performance straight into the sequencer, with metronome and count-in • Piano roll editor: tap to place notes, quantize, humanize • Classic step sequencer with swing for instant drum patterns • Song Builder turns your groove into a complete arrangement • Record vocals and live audio over your beat, multitrack style MIX • A real studio mixer: a fader for every channel, mute, solo, pan • Per-channel EQ, reverb, delay, filter, drive, lo-fi, and compressor • FX send buses and a master strip with limiter and bus compressor FINISH • Export your mix to WAV, MP3, or AIFF — or bounce individual stems • Share your track anywhere, straight from the app • Everything works offline; your music lives on your device FOR HARDWARE LOVERS • Drive external synths with MIDI out and program changes • Map your keyboard's knobs and faders with MIDI Learn • Adjustable latency for the tightest possible feel ONE PRICE. YOURS FOREVER. SoundPad Pro is a single one-time purchase — no subscription, ever. Unlock all 16 channels, unlimited projects, unlimited FX, stem export, and the full keyboard engine. Start free and upgrade when you're ready. Whether you're sketching your first beat on the bus or driving a stage keyboard from your phone, SoundPad is the fastest way from idea to finished track. Plug in. Press record. Make something.

Screenshots

SynthBridge MIDI Synth4 screens
SoundPad4 screens

Verdict

The call

The clearest difference is ads: SynthBridge MIDI Synth at none against SoundPad's shown. SoundPad's advantage is update cadence (every 5 days vs every 2 weeks). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SynthBridge MIDI Synth ships an update every 2 weeks, SoundPad every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
SynthBridge MIDI Synth versus SoundPad: the parameters behind the verdict, then further details
ParameterSynthBridge MIDI SynthSoundPad
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size76 MB54 MB
Age rating+417+
Developer啟东 徐WISE APPS DEV

In-app purchases

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
1 purchases

SoundPad

One-time1
  • SoundPad Pro — Audio Engine$14.99

Questions

Is SynthBridge MIDI Synth free?
SynthBridge MIDI Synth is free to download, with in-app purchases available.
Is SoundPad free?
SoundPad is free to download, with in-app purchases available.
Do SynthBridge MIDI Synth or SoundPad have ads?
SoundPad shows ads; SynthBridge MIDI Synth does not.
Which is updated more often, SynthBridge MIDI Synth or SoundPad?
SynthBridge MIDI Synth ships an update every 2 weeks, and SoundPad every 5 days. Most recently, SynthBridge MIDI Synth was updated on October 25, 2026 and SoundPad on October 28, 2026.

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