# Filterstation2 vs VOSIS Pro

The clearest difference is update cadence: VOSIS Pro at every 3 months against Filterstation2's every 19 months. Filterstation2's advantage is price ($1.99 vs $7.99) and review sentiment (75% vs 67%). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Filterstation2 costs $1.99 and VOSIS Pro $7.99 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 — 4.4 for Filterstation2 against 4.6 for VOSIS Pro. Both are backed by a comparable volume of ratings — 18 and 7 respectively. Written reviews are what separate them: 75% of Filterstation2's written reviews are positive against 67% of VOSIS Pro's.

Filterstation2 ships an update every 19 months, VOSIS Pro every 3 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Filterstation2 | VOSIS Pro |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Rating | [4.4 (18 ratings)](https://appshunter.io/ios/app/filterstation2/id1329509841/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/vosis-pro/id1588226508/reviews)** |
| Number of ratings | **18** | 7 |
| Positive reviews | **75.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 29 MB | 12 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Life Orange LLC](https://appshunter.io/developer/783342054) |

## What reviewers say

### Filterstation2

[App page](https://appshunter.io/ios/app/filterstation2/id1329509841)

This app offers a versatile dual filter effect for music production, inspired by classic hardware. It features twelve filter algorithms, an envelope follower, and multiple operating modes for creative sound shaping. Its user-friendly interface and resizable GUI make it a powerful tool for producers.

**Highlights:** Twelve filter algorithms, Envelope follower with sidechain, VCA mode for tremolo/gate, LFO with tempo sync, Serial, parallel, and stereo modes, Resizable GUI, Cross-platform preset manager

**Features:** Vision Pro support

**In-app purchases:** none


### VOSIS Pro

[App page](https://appshunter.io/ios/app/vosis-pro/id1588226508)

Transform images into unique sounds and compose visual music. This tool offers advanced filters and MIDI control for experimental sound design and creative audio manipulation.

**Highlights:** Image to sound conversion, Advanced image filters, MIDI keyboard support, Customizable presets, Unlimited recording, Video file loading (iPad/Desktop)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Filterstation2 free?

Filterstation2 costs $1.99, with no in-app purchases.

### Is VOSIS Pro free?

VOSIS Pro costs $7.99, with no in-app purchases.

### Which has better reviews, Filterstation2 or VOSIS Pro?

VOSIS Pro is rated higher. Filterstation2 averages 4.4 out of 5 from 18 ratings, while VOSIS Pro averages 4.6 from 7 ratings.

### Do Filterstation2 or VOSIS Pro have ads?

Neither Filterstation2 nor VOSIS Pro shows ads.

### Which is updated more often, Filterstation2 or VOSIS Pro?

Filterstation2 ships an update every 19 months, and VOSIS Pro every 3 months. Most recently, Filterstation2 was updated on November 13, 2026 and VOSIS Pro on November 7, 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.*