# VoxSyn Pro vs TB DualVCF

The clearest difference is review sentiment: TB DualVCF at 80% against VoxSyn Pro's 20%. TB DualVCF also leads on rating (4.9 vs 3.4). VoxSyn Pro's advantage is price ($1.99 vs $4.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

VoxSyn Pro costs $1.99 and TB DualVCF $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TB DualVCF holds the better App Store score, 4.9 against 3.4. Both are backed by a comparable volume of ratings — 14 and 18 respectively. Written reviews point the same way: 20% of VoxSyn Pro's written reviews are positive against 80% of TB DualVCF's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | VoxSyn Pro | TB DualVCF |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [3.4 (14 ratings)](https://appshunter.io/ios/app/voxsyn-pro/id1486614433/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/tb-dualvcf/id1505169270/reviews)** |
| Number of ratings | 14 | **18** |
| Positive reviews | 20.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 43 MB | 12 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### 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


### TB DualVCF

[App page](https://appshunter.io/ios/app/tb-dualvcf/id1505169270)

This app offers a dual analog filter plug-in for music production, providing a wide range of vintage filter models to shape sound. It features intuitive modulation and envelope followers for creative audio exploration, compatible with AUv3 hosts.

**Highlights:** Dual analog filter sections, Dozens of vintage filter models, Envelope followers, Intuitive modulation editor, AUv3 plug-in compatibility, Real-time audio processing

**In-app purchases:** none


## Frequently asked questions

### Is VoxSyn Pro free?

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

### Is TB DualVCF free?

TB DualVCF costs $4.99, with no in-app purchases.

### Which has better reviews, VoxSyn Pro or TB DualVCF?

TB DualVCF is rated higher. VoxSyn Pro averages 3.4 out of 5 from 14 ratings, while TB DualVCF averages 4.9 from 18 ratings.

### Do VoxSyn Pro or TB DualVCF have ads?

Neither VoxSyn Pro nor TB DualVCF shows ads.

### Which is updated more often, VoxSyn Pro or TB DualVCF?

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