# Fortamento vs BLEASS Arpeggiator

The clearest difference is price: Fortamento at $4.99 against BLEASS Arpeggiator's $9.99. Fortamento also leads on review sentiment (89% vs 75%). On rating, ratings volume, update cadence and ads there is nothing between them.

Fortamento costs $4.99 and BLEASS Arpeggiator $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Fortamento against 4.8 for BLEASS Arpeggiator. Both are backed by a comparable volume of ratings — 110 and 54 respectively. Written reviews are what separate them: 89% of Fortamento's written reviews are positive against 75% of BLEASS Arpeggiator's.

Fortamento ships an update every 8 months, BLEASS Arpeggiator every 6 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fortamento | BLEASS Arpeggiator |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | [4.8 (110 ratings)](https://appshunter.io/ios/app/fortamento/id1237303202/reviews) | [4.8 (54 ratings)](https://appshunter.io/ios/app/bleass-arpeggiator/id6464041408/reviews) |
| Number of ratings | **110** | 54 |
| Positive reviews | **88.9% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 143 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Laskin](https://appshunter.io/developer/1126868921) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### 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


### BLEASS Arpeggiator

[App page](https://appshunter.io/ios/app/bleass-arpeggiator/id6464041408)

This app offers advanced arpeggiation capabilities for musicians, going beyond traditional patterns with polyrhythms and polyphony. Its intuitive interface encourages on-the-fly experimentation, enhanced by performance controllers, LFOs, and a motion sequencer. It also includes a built-in FM synth for sound generation or can be used with other instruments.

**Highlights:** Advanced arpeggiation patterns, Polyphony and polyrhythms, Hands-on creative interface, XY pads and LFOs, Motion Sequencer, Built-in FM synth, MIDI output for external synths

**In-app purchases:** none


## Frequently asked questions

### Is Fortamento free?

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

### Is BLEASS Arpeggiator free?

BLEASS Arpeggiator costs $9.99, with no in-app purchases.

### Which has better reviews, Fortamento or BLEASS Arpeggiator?

Fortamento and BLEASS Arpeggiator are both rated 4.8 out of 5 on the App Store, from 110 and 54 ratings respectively.

### Do Fortamento or BLEASS Arpeggiator have ads?

Neither Fortamento nor BLEASS Arpeggiator shows ads.

### Which is updated more often, Fortamento or BLEASS Arpeggiator?

Fortamento ships an update every 8 months, and BLEASS Arpeggiator every 6 months. Most recently, Fortamento was updated on October 15, 2026 and BLEASS Arpeggiator on October 20, 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.*