MeloDeasy vs FAC Polyflo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MeloDeasy
Easily record melodies and chords with accurate notes, timing, and velocity. Correct mistakes instantly and experiment with rhythm using an intuitive interface. Save all your musical ideas in one place.
- Record melodies and chords
- Accurate note, timing, and velocity input
- Instant mistake correction
- Rhythm experimentation with Interpreter Pad
- Save all melodies in MelodyBox
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Recording a melody in a DAW is a real struggle, being in sync with metronome adds extra stress on your performance. Music performance is "playing correct note" in "correct time" with musical touch "velocity", these 3 things make listening to music pleasant to the ear. Even for a good keyboard player/pianist; It's difficult to record a melody or chords with correct notes and with correct musicality. And on a screen touch device (iPhone/iPad) it is nearly impossible to get the accuracy required to make the music musically perfect. MeloDeasy split 2 major fact in the music recording/performance. +DATA: The notes +EMOTION: Note timing and velocity. This new method allows you to play|record the musical idea without rushing with a metronome. When you play notes slowly by thinking, by positioning your fingers correctly on the note; you'll find that even the most complex melodies are easily playable. Mistaken notes can be corrected immediately, by going back a step, and it doesn't disturb the rest of the melody that you have recorded correctly. Once notes are set. Giving the correct timing is easy by tapping on the "Interpreter Pad", (like how you would if you were tapping a rhythm on a table). It is enjoyable experimenting with the rhythm timing in this way in "Interpreter Pad", making the melodies you create personal to you. Enjoy playing notes and recording in easy. Don't waste your time trying to record your melodies perfect all in one go, like traditional recording techniques. Record your melodies smartly, make them perfect in MeloDeasy. All melodies you create are kept in "MelodyBox", so when the inspiration strikes, you never have to miss a melody idea again!
FAC Polyflo
This AUv3 plugin allows you to modulate and sequence MIDI instruments and modular hardware. It outputs both MIDI and analog CV simultaneously, supporting hybrid digital and analog setups. Convert various signals into control voltages for deep and flexible modulation.
- AUv3 plugin for modulation and sequencing
- Outputs MIDI and analog CV simultaneously
- Converts signals to control voltages
- Two LFO generators with syncing
- Integrated envelope follower
- Six FLO(W) processors for signal shaping
- Universal Purchase for iOS, macOS, Vision Pro
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• AUv3 plugin to modulate and sequence MIDI instruments and modular hardware • Outputs MIDI and analog CV simultaneously for integrated hybrid setups • Fully functional in software-only environments with full MIDI support • Converts LFOs, MIDI notes, pitch, and control changes into control voltages • Includes two LFO generators with random spline, cross-modulation and syncing • Integrated envelope follower to track audio input or sidechain signal • Six FLO(W) processors for combining and shaping signals with math and logic • Each FLO supports 18 inputs with individual polarity, divider and multiplier • Multi-out support, built-in waveform viewer, Audio FX, and MIDI FX • Advanced Responsive Design, portrait and landscape views • Universal Purchase: AUv3 for iOS (iPad/iPhone), macOS and Vision Pro FAC Polyflo is an AUv3 plugin for modulating and sequencing MIDI instruments and modular gear via control voltage. It outputs MIDI and analog CV simultaneously, making it well-suited for hybrid setups that combine digital and analog equipment. The plugin includes two LFO generators offering 10 waveforms, including classic shapes and random spline, with support for cross-modulation and syncing. It also features an envelope follower that tracks audio FX input or an external sidechain. The generated signals, together with the host clock and MIDI input, are fed into six independent FLO(W) processors. These processors combine, shape, and route inputs using math operations, conditional logic, and comparators. Each FLO includes individual polarity, division, and multiplication controls, providing deep and flexible modulation that balances chaotic creativity with precise timing. Each FLO processor output is connected to its own output bus, enabling easy integration with hardware via DC-coupled audio interfaces like the Expert Sleepers ES-9. For simpler setups, FLO outputs can be routed to the stereo output. FAC Polyflo can also convert MIDI notes, pitch, and control changes into control voltages, making it a powerful MIDI-to-CV solution. If you prefer to work exclusively with software, the plugin runs smoothly in software-only environments with full MIDI support, making it equally suited for purely digital workflows. FAC Polyflo works as both an Audio Unit FX and MIDI FX, featuring a clean, touch-optimized interface with precise control and waveform visualization. It’s available as an AUv3 for iOS (iPad/iPhone), macOS, and Vision Pro, and requires a compatible AUv3 host app to run. This is an AUv3 Effect and requires a compatible host to work The documentation is available at fredantoncorvest.com/FAC_Polyflo.html
Screenshots
Verdict
The clearest difference is price: MeloDeasy at Free against FAC Polyflo's $9.99. MeloDeasy also leads on iOS requirement (10.0 vs 16.4). FAC Polyflo's advantage is rating (4.9 vs 4.3) and review sentiment (100% vs 67%). On ads, in-app purchases 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
MeloDeasy is free to download; FAC Polyflo costs $9.99 up front. MeloDeasy sells 4 one-off in-app purchases and FAC Polyflo sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
FAC Polyflo holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 67% of MeloDeasy's written reviews are positive against 100% of FAC Polyflo's.
| Parameter | MeloDeasy | FAC Polyflo |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.3 (3 ratings) | 4.9 (11 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 11 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 10.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 62 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | DejaWorks LTD | Frederic Corvest |
Customer experience
MeloDeasy
FAC Polyflo
In-app purchases
MeloDeasy
- Metronome Module For MeloDeasyFree
- InstrumentBox$0.99
- MIDI Out$0.99
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- MelodyBox$2.99
FAC Polyflo
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$14.99






