# Sonic Synth vs Fortamento

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.

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.

## The numbers

| Metric | Sonic Synth | Fortamento |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/sonic-synth-fm-synthesizer/id1104940736/reviews) | **[4.8 (110 ratings)](https://appshunter.io/ios/app/fortamento/id1237303202/reviews)** |
| Number of ratings | 1 | **110** |
| Positive reviews | 0.0% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 143 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [Yuri Laskin](https://appshunter.io/developer/1126868921) |

## What reviewers say

### Sonic Synth

[App page](https://appshunter.io/ios/app/sonic-synth-fm-synthesizer/id1104940736)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### Fortamento

[App page](https://appshunter.io/ios/app/fortamento/id1237303202)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Synth free?

Sonic Synth costs $1.99, with no in-app purchases.

### Is Fortamento free?

Fortamento costs $4.99, with no in-app purchases.

### Which has better reviews, Sonic Synth or Fortamento?

Fortamento is rated higher. Sonic Synth averages 3.0 out of 5 from 1 ratings, while Fortamento averages 4.8 from 110 ratings.

### Do Sonic Synth or Fortamento have ads?

Neither Sonic Synth nor Fortamento shows ads.

### Which is updated more often, Sonic Synth or Fortamento?

Sonic Synth ships an update every 6 months, and Fortamento every 8 months. Most recently, Sonic Synth was updated on October 24, 2026 and Fortamento on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*