Motion Synth vs Flynth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Motion Synth
This app turns your iPhone or iPod touch into a musical instrument. Play notes with touch and control sound with motion. It can be used standalone, with other iOS music apps, or even external hardware and laptop software.
- Play notes via touch
- Shape sound through motion
- Control in-app sounds
- Control other iOS music apps
- Control external hardware synths
- Control laptop audio/visual software
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Music through motion: The AUUG Motion Synth transforms your iPhone or iPod touch into an expressive musical instrument that lets you play notes via touch and shape their sound through motion. Visit http://www.auug.com to see a demonstration video. Available here is the free version of the AUUG Motion Synth App, designed to allow users to easily experience motion-based music creation. Follow the in-app video tutorial to learn how to play the musical instrument sounds included with the app (See 'SETUP VIDEO' button). An upgraded version of the app is also available, and has been carefully designed to work with the AUUG Motion Synth Grip. Together, the Motion Synth App and Grip transform your iPhone or iPod touch into a practical and powerful musical instrument. Get yours here: http://www.auug.com/order/ ------ Play in-app sounds, iOS music apps (e.g. GarageBand), or laptop software through movement: The AUUG Motion Synth tracks your movements and screen touches to expressively play in-app musical sounds. The AUUG Motion Synth also allows you to play the sounds of other iOS music apps, giving you access to a vast array of sounds and effects. You can also play external devices like hardware synths or vocal harmonizers as well as control audio or visual software on a laptop (via WiFi or cabled connections). The Motion Synth app is also compatible with the Music IO app, allowing you to control your laptop software via your iPhone cable (Lightning). ------ Use the Motion Synth App by itself or with a Motion Synth Grip: The Motion Synth App has two modes: 1) Single-Key mode (free version): This Motion Synth App mode allows you to quickly engage with motion-based music control, and includes tutorial videos explaining how to use the in-app sounds. 2) Multi-Key mode (upgrade): This Motion Synth App mode is designed to work with the AUUG Motion Synth Grip: a physical holder that securely attaches your iPhone or iPod touch to your hand, thereby improving the dexterity and accuracy with which you can trigger notes via the touch screen.
Flynth
This versatile synthesizer app offers a wide range of sounds from leads to bass and pads. Create unique sounds by tweaking parameters or explore factory presets. It supports MIDI input, AudioUnit integration, and includes a built-in arpeggiator and effects for music production.
- 8-voice polyphony
- 3 Oscillators with pulse width and sub
- ADSR Envelope editor
- Low-pass Filter with ADSR
- 2 configurable LFOs
- Build-in Arpeggiator
- 4 FXs (TubeAmp, Phaser, Delay, reverb)
- Live recording + export
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Flynth is Fingerlab's versatile and intuitive synthesizer for iPhone, iPad & Mac — designed for musicality and easy use. From leads to bass lines, organs and pads, Flynth covers a wide sound range. Browse 80 factory presets to explore its sonic capabilities, or tweak the knobs and combine parameters to create your own unique sounds. Connect any MIDI keyboard, load Flynth as an AUv3 in your favorite DAW, fire up the Arpeggiator, add some FX, and record your track with the built-in live recording module. Flynth is a universal purchase — one buy covers iPhone, iPad & Mac. Free version includes 12 factory presets and a selection of core features. Get the Full Version IAP to unlock everything. Features: • 8-voice polyphony & 6 octaves • 3 Oscillators (Sine, Triangle, Square, Sawtooth, Pulse Width, Sub) • ADSR Envelope editor • Low-pass Moog Ladder filter with ADSR • Vibrato • 2 configurable LFOs • 80 Factory presets & Preset Randomizer • Built-in Arpeggiator • 4 FX: Tube Amp, Phaser, Delay & Reverb • Live recording & export • Full MIDI & MIDI Mapping support • AudioBus & Inter-App Audio (iOS) • Full AudioUnit AUv3 support Questions or feedback? We'd love to hear from you: contact@fingerlab.net Stay tuned! The Fingerlab Team
Screenshots
Verdict
The clearest difference is rating: Flynth at 4.3 against Motion Synth's 3.5. Flynth also leads on device support (4 vs 2). Motion Synth's advantage is in-app purchases (none vs 1) and review sentiment (73% vs 50%). On price, ratings volume, update cadence and ads 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
Both are free to download. Flynth sells 1 one-off in-app purchase. Motion Synth asks for nothing beyond the download.
Flynth holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 40 and 55 respectively. Written reviews complicate that: 73% of Motion Synth's written reviews are positive against 50% of Flynth's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | Motion Synth | Flynth |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (40 ratings) | 4.3 (55 ratings) — better |
| Positive reviews | 73.3% of reviews — better | 50.0% of reviews |
| Number of ratings | 40 | 55 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 48 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | AUUG | Fingerlab |
Customer experience
Motion Synth
Flynth
In-app purchases
Motion Synth
No in-app purchases
Flynth
- Full Version$7.99
Questions
Is Motion Synth free?
Is Flynth free?
Which has better reviews, Motion Synth or Flynth?
Do Motion Synth or Flynth have ads?
Which is updated more often, Motion Synth or Flynth?
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