Comparison

SynthBridge MIDI Synth vs JP

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

JP

Features
Read full description

[Ad-Free Pro Version] The Legendary Vintage Sound Evolves for Pros! Thick, warm, and endlessly energetic. This authentic analog synthesizer app—built with deep respect for the legendary "JP Series" classics—is finally here as a "Pro Version," completely ad-free and packed with expanded features. While keeping the intuitive UI of the free version, we have added a brand-new professional control section to push your sound expressiveness to the limit. Immerse yourself in sound creation without any advertising distractions. Exclusive Pro Features 100% Ad-Free: Zero ads to interrupt your flow, performance, or inspiration. High-Quality FX Suite: Newly equipped with "Spatial Reverb" for immense depth, and "Delay/Chorus" to recreate that iconic, ultra-thick chorus sound. Deep Sound Shaping: Unlock advanced parameters designed for synth enthusiasts, including Master Tuning and Velocity Sensitivity to let your touch shape the tone. Key Features 8 Curated JP Voice Presets: Ready-to-use sounds, from classic fat brass to airy, floating pads. Intuitive VCF Filter: Real-time slider control over Cutoff, Resonance, ENV, MOD, and ATK. Arpeggiator & Performance Modes: Fuel your live play with SPLIT mode, SOLO mode, and a powerful arpeggiator. Retro Analog UI: Beautifully crafted with knurled metal knobs and classic LED indicators that evoke the original hardware. Perfect as an inspiration tool in the studio or a secret weapon for live gigs. Unleash the golden era of analog sound on your iPhone today!

Screenshots

SynthBridge MIDI Synth4 screens
JP2 screens

Verdict

The call

The clearest difference is price: SynthBridge MIDI Synth at Free against JP's $0.49. SynthBridge MIDI Synth also leads on iOS requirement (15.0 vs 26.5). JP's advantage is in-app purchases (none vs 7) and update cadence (every 2 days vs every 2 weeks). On ads 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

SynthBridge MIDI Synth is free to download; JP costs $0.49 up front. SynthBridge MIDI Synth sells 7 in-app purchases, starting at $1.99 per month. JP asks for nothing beyond the download.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
SynthBridge MIDI Synth versus JP: the parameters behind the verdict, then further details
ParameterSynthBridge MIDI SynthJP
PriceFree — better$0.49
Rating4.8 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.5
Further details — not scored
Size76 MB31 MB
Age rating+44+
Developer啟东 徐Kouki Yoshimoto

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
None

JP

No in-app purchases

Questions

Is SynthBridge MIDI Synth free?
SynthBridge MIDI Synth is free to download, with in-app purchases available.
Is JP free?
JP costs $0.49, with no in-app purchases.
Do SynthBridge MIDI Synth or JP have ads?
Neither SynthBridge MIDI Synth nor JP shows ads.
Which is updated more often, SynthBridge MIDI Synth or JP?
SynthBridge MIDI Synth ships an update every 2 weeks, and JP every 2 days. Most recently, SynthBridge MIDI Synth was updated on October 25, 2026 and JP on October 28, 2026.

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