# Tresse Polyphonic Synthesizer vs FAC Gravity

The clearest difference is price: Tresse Polyphonic Synthesizer at Free against FAC Gravity's $9.99. Tresse Polyphonic Synthesizer also leads on in-app purchases (none vs 3) and iOS requirement (14.0 vs 17.0). On rating, ratings volume, ads and device support there is nothing between them.

Tresse Polyphonic Synthesizer is free to download; FAC Gravity costs $9.99 up front. FAC Gravity sells 3 one-off in-app purchases. Tresse Polyphonic Synthesizer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Tresse Polyphonic Synthesizer against 4.8 for FAC Gravity. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

## The numbers

| Metric | Tresse Polyphonic Synthesizer | FAC Gravity |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/tresse-polyphonic-synthesizer/id6777741588/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/fac-gravity/id6799092848/reviews)** |
| Number of ratings | 4 | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jaime Filipe Candido Paiva Vieira](https://appshunter.io/developer/6777628535) | [Frederic Corvest](https://appshunter.io/developer/1230164765) |

## What reviewers say

### Tresse Polyphonic Synthesizer

[App page](https://appshunter.io/ios/app/tresse-polyphonic-synthesizer/id6777741588)

This app is a powerful polyphonic synthesizer for iPhone and iPad, featuring 39 diverse sound engines and a generative step sequencer. It offers extensive sound-shaping capabilities with dual layers, morphing filters, and flexible LFOs and envelopes. It functions as a standalone app or an AUv3 plugin.

**Highlights:** 39 diverse sound engines, Dual-layer synthesis, Morphing SEM-style filter, Generative step sequencer, AUv3 plugin support, Extensive modulation options, Preset sharing via QR codes

**In-app purchases:** none


### FAC Gravity

[App page](https://appshunter.io/ios/app/fac-gravity/id6799092848)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $14.99 | one-time |


## Frequently asked questions

### Is Tresse Polyphonic Synthesizer free?

Tresse Polyphonic Synthesizer is free to download, with no in-app purchases.

### Is FAC Gravity free?

FAC Gravity costs $9.99, and also offers in-app purchases.

### Which has better reviews, Tresse Polyphonic Synthesizer or FAC Gravity?

FAC Gravity is rated higher. Tresse Polyphonic Synthesizer averages 4.8 out of 5 from 4 ratings, while FAC Gravity averages 4.8 from 6 ratings.

### Do Tresse Polyphonic Synthesizer or FAC Gravity have ads?

Neither Tresse Polyphonic Synthesizer nor FAC Gravity shows ads.

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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.*