# SpringSound vs VoxSyn Pro

The clearest difference is review sentiment: SpringSound at 74% against VoxSyn Pro's 20%. SpringSound also leads on rating (4.2 vs 3.4). VoxSyn Pro's advantage is update cadence (every 2 months vs every 9 months) and price ($1.99 vs $2.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SpringSound costs $2.99 and VoxSyn Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SpringSound holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 19 and 14 respectively. Written reviews point the same way: 74% of SpringSound's written reviews are positive against 20% of VoxSyn Pro's.

SpringSound ships an update every 9 months, VoxSyn Pro every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SpringSound | VoxSyn Pro |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/springsound/id866583243/reviews)** | [3.4 (14 ratings)](https://appshunter.io/ios/app/voxsyn-pro/id1486614433/reviews) |
| Number of ratings | **19** | 14 |
| Positive reviews | **73.7% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 30 MB | 43 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Duquesne](https://appshunter.io/developer/647714834) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### SpringSound

[App page](https://appshunter.io/ios/app/springsound/id866583243)

This app is a physical-modeling audio synthesizer that simulates sound through the interaction of springs, masses, and activators. It offers detailed control over various physical parameters and comes with a large library of presets. It can be used as a sound generator or effect, and supports MIDI and expressive controllers.

**Highlights:** Physical modeling sound synthesis, Detailed control of physical parameters, Large set of sound presets, Audio-In effect capability, MIDI and MPE support, iOS Continuum Remote integration

**Features:** macOS Compatibility

**In-app purchases:** none


### VoxSyn Pro

[App page](https://appshunter.io/ios/app/voxsyn-pro/id1486614433)

Transform your voice into a versatile sound generator with real-time pitch and spectral control. Explore a vast library of synthesizer sounds, expand them with a unique random generator, and create signature vocal effects beyond traditional vocoding. Compatible with AUv3 hosts for seamless integration into your music production workflow.

**Highlights:** Voice control of pitch and timbre, Mix original voice, synth carrier, and vocoded signal, 22-channel vocoder, Integrated preset synthesizer engine, Hundreds of presets, Hi-end effects suite, AUv3 compatible

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SpringSound free?

SpringSound costs $2.99, with no in-app purchases.

### Is VoxSyn Pro free?

VoxSyn Pro costs $1.99, with no in-app purchases.

### Which has better reviews, SpringSound or VoxSyn Pro?

SpringSound is rated higher. SpringSound averages 4.2 out of 5 from 19 ratings, while VoxSyn Pro averages 3.4 from 14 ratings.

### Do SpringSound or VoxSyn Pro have ads?

Neither SpringSound nor VoxSyn Pro shows ads.

### Which is updated more often, SpringSound or VoxSyn Pro?

SpringSound ships an update every 9 months, and VoxSyn Pro every 2 months. Most recently, SpringSound was updated on October 24, 2026 and VoxSyn Pro 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.*