Sonic Synth vs Fortamento
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonic Synth
Create a wide variety of sounds with this FM synthesizer app. It features three independent oscillators, each capable of generating four unique waveforms, and offers a responsive touch keyboard for real-time performance. Enjoy high-quality audio with a 44100 Hz sample rate.
- 3 independent oscillators
- 4 waveform types per oscillator
- Volume, modulation, tone, and detune controls
- Envelope filters (attack, sustain, release)
- Multitouch support
- Responsive piano keyboard
- Core MIDI support
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Sonic Synth is very capable FM Synthesizer app with 3 oscillators. Every oscillator is independent and can generate 4 wave forms. The app works with 44100 Hz sample rate so the sound quality is great. Core MIDI - support for MIDI keyboards via USB The touch keyboard is also very responsive and dynamic - feels like a real instrument. Keys are big enough. The last wave form is our secret algorithm for string sound also generated by the oscillators. Variety of sounds can be created and even changed real time while you are playing using the setting of the 3 oscillators of the synthesizer. Sonic Synth main features: - 3 oscillators - 4 wave form types for every oscillator - volume, modulation, tone and detune for every oscillator - envelope filters (attack sustain release) - multitouch - fast and usable piano keyboard You can now use your phone or tablet as a recording instrument.
Fortamento
Overcome writer's block with instant musical inspiration. This app generates chord progressions and melodies, allowing for manual editing and MIDI export to your favorite music software. Perfect for musicians, songwriters, and producers looking to kickstart new projects or finish existing ones.
- Generate chord progressions and melodies
- Manual editing of tunes
- MIDI file export
- Tempo and key control
- Save tunes within the app
- Various instrument sounds
- Audiobus integration
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Ever got stuck writing a song, wishing for a spark of inspiration to start a new song or perhaps to come up with a bridge to finish that old project? " You'll be amazed at how good Fortamento's song ideas are " -- Cult of Mac Magazine " ... a refreshing alternative to the more beat-focused musical sketch pads ... “ -- Computer Music Magazine " This is exactly what I was hoping for! Thank you so much for all your work on this app—it’s the perfect songwriter’s tool!" -- Br. Gregory Marshall, O.S.B. " I wish it was a 5 dollar app " -- Jakob Haq Get instant musical ideas at a push of a button with Fortamento - a simple and effective music idea creator, capable of generating 4 bars of chord progression and melody, with the option to edit the idea and save the result. To make life easier, there’s an option to export the tunes as MIDI files for further work in your favorite Digital Audio Workstation software or MIDI sequencer. Fortamento is a great addition to the workflow of musicians, songwriters and producers to overcome the occasional writer’s block. Key features: - MIDI file export - Tempo / key control - Manual editing of generated tunes (chords and melody) - Save tunes within the app - Various instrument sounds - MIDI output - Audiobus integration Let us assist you - contact us at team@fortamento.com for any bug reports or feature requests.
Screenshots
Verdict
The clearest difference is review sentiment: Fortamento at 89% against Sonic Synth's 0%. Fortamento also leads on rating (4.8 vs 3.0) and ratings volume (110 vs 1). Sonic Synth's advantage is price ($1.99 vs $4.99) and iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and monetization model 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
Sonic Synth costs $1.99 and Fortamento $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Fortamento holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Fortamento has 110 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Sonic Synth's written reviews are positive against 89% of Fortamento's.
Sonic Synth ships an update every 6 months, Fortamento every 8 months. Both last shipped on October 24, 2026.
| Parameter | Sonic Synth | Fortamento |
|---|---|---|
| Price | $1.99 — better | $4.99 |
| Rating | 3.0 (1 ratings) | 4.8 (110 ratings) — better |
| Positive reviews | 0.0% of reviews | 88.9% of reviews — better |
| Number of ratings | 1 | 110 — better |
| Update frequency | Every 6 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandar Mlazev | Yuri Laskin |
Customer experience
Sonic Synth
Fortamento
In-app purchases
Sonic Synth
No in-app purchases
Fortamento
No in-app purchases
Questions
Is Sonic Synth free?
Is Fortamento free?
Which has better reviews, Sonic Synth or Fortamento?
Do Sonic Synth or Fortamento have ads?
Which is updated more often, Sonic Synth or Fortamento?
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