# Dub Delay by Asrodot vs sumFX

The clearest difference is review sentiment: Dub Delay by Asrodot at 100% against sumFX's 55%. Dub Delay by Asrodot also leads on rating (5.0 vs 4.4) and update cadence (every 3 weeks vs every 6 months). sumFX's advantage is device support (3 vs 1) and ratings volume (12 vs 4). On ads, in-app purchases and monetization model there is nothing between them.

Dub Delay by Asrodot costs $3.99 and sumFX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dub Delay by Asrodot holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 100% of Dub Delay by Asrodot's written reviews are positive against 55% of sumFX's.

Dub Delay by Asrodot ships an update every 3 weeks, sumFX every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Dub Delay by Asrodot | sumFX |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dub-delay-by-asrodot/id1485461590/reviews)** | [4.4 (12 ratings)](https://appshunter.io/ios/app/sumfx/id6450494474/reviews) |
| Number of ratings | 4 | **12** |
| Positive reviews | **100.0% of reviews** | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 44 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arno VAN GOCH](https://appshunter.io/developer/587450222) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## What reviewers say

### Dub Delay by Asrodot

[App page](https://appshunter.io/ios/app/dub-delay-by-asrodot/id1485461590)

This app provides an analog tape delay audio effect for iPad, compatible with DAWs and standalone use. It features filters, distortion, and LFO modulation for creative sound design. Parameters can be controlled via XYZ pads and MIDI.

**Highlights:** Analog tape delay with tempo sync, Two adjustable filters (LP, HP, BP, BR), Tube-like distortion unit, LFO modulation with 7 waveforms, Assignable XYZ controller pads, AUv3, Audiobus, Inter-App Audio, MIDI support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dub Delay by Asrodot free?

Dub Delay by Asrodot costs $3.99, with no in-app purchases.

### Is sumFX free?

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

### Which has better reviews, Dub Delay by Asrodot or sumFX?

Dub Delay by Asrodot is rated higher. Dub Delay by Asrodot averages 5.0 out of 5 from 4 ratings, while sumFX averages 4.4 from 12 ratings.

### Do Dub Delay by Asrodot or sumFX have ads?

Neither Dub Delay by Asrodot nor sumFX shows ads.

### Which is updated more often, Dub Delay by Asrodot or sumFX?

Dub Delay by Asrodot ships an update every 3 weeks, and sumFX every 6 months. Most recently, Dub Delay by Asrodot was updated on October 24, 2026 and sumFX 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.*