Comparison

Music Check vs Jynth

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

Head to head
About

Music Check

This app helps you compose and modify melodies using a unique 3-step process. Explore a vast number of possibilities with chord and rhythm selections. Load SoundFonts, record with a MIDI keyboard, and control playback with a simulated turntable.

Highlights
  • Prisma Composer for melody creation
  • Chord and rhythm pattern selection
  • Note variation control
  • Save and load MIDI projects
  • MIDI keyboard recording
  • Simulated turntable playback control
  • SF2 and DLS SoundFont loading
Features
Read full description

MusicCheck is more than a normal midi controller, with our unique Prism Composer you can systematically create or modify a melody in a 3-step process: 1. Specify chords allowed in your melody. 2. Choose a rhythmic pattern for your melody. 3. Select groups of notes you want to vary. MusicCheck runs through all possibilities, for example with 10 chords and 6 groups there are a million different possibilities!!!!!! We use a flexible prism coloured graph representation of all the different possibilities. You can further configure the possible variations by restricting groups to certain chords. Save and load Midi projects and extract the different chords with the Prism-Composer or connect your Midi Keyboard and record new songs. This mobile Midi-studio is able to load SF2 and DLS SoundFonts or you can start right away with some built-in instruments.

About

Jynth

This music app recreates the warm, analog sound of a classic synth with a unique physics engine for organic soundscapes. Explore vintage tones, advanced modulation, and innovative performance features like assigning different presets to individual notes.

Highlights
  • Analog-style signal chain
  • Physics-driven modulation
  • Preset Per Note & Preset Ribbon
  • 5 studio-grade effects
  • AUv3 plugin support
  • MIDI controller integration
Read full description

Meet Jynth, the new synth by Fingerlab for iPhone, iPad and Mac — the warm, analog soul of the iconic Roland Juno-106, reimagined with a groundbreaking Physics Engine for organic, living sound. Designed for leads, basses, keys & pads, Jynth delivers that classic vintage character you love — housed in a meticulously crafted, photo-realistic interface that looks as good as it sounds. Shape your sound with a full analog-style signal chain: From the dual oscillators and resonant VCF filter to the ADSR envelope, LFO and built-in arpeggiator — every parameter has been carefully tuned to feel as musical as it sounds. Go further with 6 studio-grade effects: Tremolo, Flanger, Overdrive, Chorus, Delay & Reverb — stack them to build rich, evolving textures and cinematic soundscapes. Bring your presets to life with the Physics Engine: This is where Jynth truly stands apart. Assign up to 8 physics-driven modulations to any synth or effect parameter. Gravity, bounce, impulse, angle — let the laws of physics shape your sound in ways no LFO ever could. Every preset becomes unique, every performance feels alive. Explore new sonic territory with Preset Per Note & Preset Ribbon: Inspired by the music of Aphex Twin, Preset Per Note lets you assign a different preset to each key of the piano keyboard — so every note triggers an entirely different sound. Take it further with Preset Ribbon: select a collection of presets and glide between them in real time, simply by sliding your finger across the ribbon. A new way to perform. A new way to play. Play anywhere, plug into anything: Jynth is universal — one purchase gives you the full experience on iPhone, iPad and Mac. Use it as a standalone app or load it as an AudioUnit (AUv3) plugin directly inside your favorite DAW. Pair it with your MIDI controller via MIDI In support, and your sound is always there — even when your screen is off, thanks to Audio Background mode. Unlock the Full Version to access preset creation, all factory presets, FX, Physics Engine, Randomizer, Undo, Preset Per Note & Preset Ribbon. Features: Synth Engine • VCO with Pulse Width Modulation — Square, Saw, Sub & Noise oscillators • High-Pass Filter • VCF Filter with Frequency, Resonance, Envelope, LFO & Keyboard tracking • LFO with Rate, Delay & Depth • VCA Gate mode • Full ADSR Envelope • Glide (Portamento) • Arpeggiator with Tempo, Pattern, Step Division, Octave Range & Gate Effects • 6 FX: Tremolo, Flanger, Overdrive, Chorus, Delay & Reverb Physics Engine • 8 independent physics-based modulation scenes • Per-stage controls: Speed, Gravity, Bounce, Impulse, Angle & more • Assignable to any synth or FX parameter Preset Per Note • Assign a different preset to each key of the keyboard • Autofill with random presets by category Preset Ribbon • Select a collection of presets and glide between them in real time • Switch sounds on the fly while playing • Perfect for live performance Workflow • 100 factory presets • Preset Randomizer • Preset Import & Export • Undo • Live Audio Recording • Full MIDI & MIDI Mapping • Audio Background support • AudioUnit (AUv3) support • Universal: iPad, iPhone & Mac Questions or feedback? We'd love to hear from you: contact@fingerlab.net Enjoy Jynth! Fingerlab Team

Screenshots

Music Check4 screens
Jynth4 screens

Verdict

The call

The clearest difference is review sentiment: Jynth at 71% against Music Check's 25%. Jynth also leads on monetization model (free with in-app purchases vs paid). Music Check's advantage is iOS requirement (9.0 vs 15.6). On price, update cadence, ads and in-app purchases 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. Music Check sells 1 one-off in-app purchase and Jynth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

Scorecard3 real differences · 7 level
Music Check versus Jynth: the parameters behind the verdict, then further details
ParameterMusic CheckJynth
PriceFreeFree
Rating—4.2 (13 ratings) — better
Positive reviews25.0% of reviews71.4% of reviews — better
Number of ratings—13 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS9.0 — better15.6
Further details — not scored
Size213 MB33 MB
Age rating4+4+
DeveloperJohannes LoefflerFingerlab

Customer experience

Music Check

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Jynth

All ratings13 ratings
Positive76.9%
Neutral7.7%
Negative15.4%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

In-app purchases

1 purchases

Music Check

One-time1
  • Data$39.99
1 purchases

Jynth

One-time1
  • Full Version$9.99

Questions

Is Music Check free?
Music Check is free to download, with in-app purchases available.
Is Jynth free?
Jynth is free to download, with in-app purchases available.
Do Music Check or Jynth have ads?
Neither Music Check nor Jynth shows ads.
Which is updated more often, Music Check or Jynth?
Music Check ships an update every 2 weeks, and Jynth every 2 weeks. Most recently, Music Check was updated on November 2, 2026 and Jynth on November 11, 2026.

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