Comparison

MIDI Aid vs Synesthesia Synth

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

Head to head
About

MIDI Aid

Features
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MIDI Aid is a MIDI monitor: connect your MIDI devices and see every incoming event in one clean, technical view. Whether you are debugging a synth patch, checking a controller mapping, or just curious what your gear is sending, MIDI Aid shows you what is really happening on the wire. CAPTURE • Live event log with precise timestamps • Start, pause, and resume capturing at any time • Clear the log with one tap • Follow mode keeps the newest events in view UNDERSTAND • Every event decoded into plain language: notes with names and velocities, controllers with their standard names, program changes, aftertouch, pitch wheel, and more • Raw status and data bytes side by side with the decoded event • Hex or decimal display, your choice • Tap any event for a detail view including the full raw bytes FILTER • Focus on what matters: filter by device, event type, and MIDI channel • Channel events, system common events, and system real time events can be toggled individually • Mute noisy events like Timing Clock or Active Sensing with one tap DEVICES • Works with USB MIDI devices out of the box • Network MIDI sessions and Bluetooth MIDI devices set up at system level appear automatically MIDI Aid supports all 16 MIDI channels, running status, and System Exclusive messages. No account, no ads, no tracking. Your MIDI data never leaves your device.

About

Synesthesia Synth

An experimental audio-visual instrument that allows users to sculpt evolving spatial audio by manipulating floating capsules. Position, rotation, and pulse changes affect tone, texture, and synchronized particle generation. It's a visual synthesizer, not a game.

Highlights
  • Experimental audio-visual instrument
  • Sculpt evolving spatial audio
  • Manipulate floating capsules
  • Control tone, texture, and particles
  • Visual synthesizer
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Synthaestesia is a free experimental audio-visual instrument. Three capsules float in space. Every contraction produces sound. Move them, rotate them, reshape their pulse — and sculpt evolving spatial audio. Position changes tone. Rotation alters texture. Delay generates synchronized particles. This is not a game. It’s a spatial synth you can see.

Screenshots

MIDI Aid3 screens
Synesthesia Synth2 screens

Verdict

The call

The clearest difference is price: Synesthesia Synth at Free against MIDI Aid's $0.99. Synesthesia Synth also leads on update cadence (every 10 days vs every 35 months). On ads, 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

Synesthesia Synth is free to download; MIDI Aid costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MIDI Aid ships an update every 35 months, Synesthesia Synth every 10 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 7 level
MIDI Aid versus Synesthesia Synth: the parameters behind the verdict, then further details
ParameterMIDI AidSynesthesia Synth
Price$0.99Free — better
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 35 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size26 MB141 MB
Age rating4+4+
DeveloperTobias WissmuellerMICHELE ZACCAGNINI

In-app purchases

None

MIDI Aid

No in-app purchases

None

Synesthesia Synth

No in-app purchases

Questions

Is MIDI Aid free?
MIDI Aid costs $0.99, with no in-app purchases.
Is Synesthesia Synth free?
Synesthesia Synth is free to download, with no in-app purchases.
Do MIDI Aid or Synesthesia Synth have ads?
Neither MIDI Aid nor Synesthesia Synth shows ads.
Which is updated more often, MIDI Aid or Synesthesia Synth?
MIDI Aid ships an update every 35 months, and Synesthesia Synth every 10 days. Most recently, MIDI Aid was updated on October 7, 2026 and Synesthesia Synth on October 3, 2026.

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