# sumFX vs WoodValvet

The clearest difference is review sentiment: sumFX at 50% against WoodValvet's 0%. sumFX also leads on price ($9.99 vs $13.99). WoodValvet's advantage is rating (5.0 vs 4.4) and update cadence (fortnightly vs every 6 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

sumFX costs $9.99 and WoodValvet $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WoodValvet holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews complicate that: 50% of sumFX's written reviews are positive against 0% of WoodValvet's, so the app with the better star average is not the one people write more warmly about.

sumFX ships an update every 6 months, WoodValvet fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | sumFX | WoodValvet |
| --- | --- | --- |
| Price | **$9.99** | $13.99 |
| Rating | [4.4 (12 ratings)](https://appshunter.io/ios/app/sumfx/id6450494474/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/woodvalvet/id6456797752/reviews)** |
| Number of ratings | **12** | 7 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 44 MB | 13 MB |
| Requires iOS | 12.0 | **11.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSC Audio](https://appshunter.io/developer/1693533681) | [Woodman's Immaculate Maple Syrup Studio](https://appshunter.io/developer/1066413972) |

## What reviewers say

### sumFX

[App page](https://appshunter.io/ios/app/sumfx/id6450494474)

This app is a versatile audio effects processor for musicians. It offers a modular design with multiple high-quality FX modules and customizable slots, allowing for quick creation of unique sounds. Focus on your music with intuitive controls and visual feedback.

**Highlights:** Modular multi-FX processor, 8 high-quality FX modules, 8 FX slots with Wet/Dry control, 2 LFOs per slot, 50+ cross-platform presets, Pre/post waveform view

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

**In-app purchases:** none


### WoodValvet

[App page](https://appshunter.io/ios/app/woodvalvet/id6456797752)

This audio effect app emulates tube saturation with multiple stages, offering extensive control over drive, tube types, and circuit configurations. It features advanced filtering, modulation, and output processing for detailed sound shaping.

**Highlights:** 3 tube stages with individual drive control, Selectable tube types per stage, Series/parallel stage configuration, Input band filter with selectable slope, LFO modulation for drive and filter, Side chain input for drive modulation, Visual harmonic generation representation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sumFX free?

sumFX costs $9.99, with no in-app purchases.

### Is WoodValvet free?

WoodValvet costs $13.99, with no in-app purchases.

### Which has better reviews, sumFX or WoodValvet?

WoodValvet is rated higher. sumFX averages 4.4 out of 5 from 12 ratings, while WoodValvet averages 5.0 from 7 ratings.

### Do sumFX or WoodValvet have ads?

Neither sumFX nor WoodValvet shows ads.

### Which is updated more often, sumFX or WoodValvet?

sumFX ships an update every 6 months, and WoodValvet fortnightly. Most recently, sumFX was updated on November 7, 2026 and WoodValvet on November 3, 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.*