# AUFX vs BLEASS Slow Machine

The clearest difference is update cadence: AUFX at every 2 months against BLEASS Slow Machine's every 28 months. AUFX also leads on price ($4.99 vs $6.99) and iOS requirement (9.0 vs 12.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

AUFX costs $4.99 and BLEASS Slow Machine $6.99 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 — 4.6 for AUFX against 4.7 for BLEASS Slow Machine. Both are backed by a comparable volume of ratings — 33 and 38 respectively. Written reviews are what separate them: 90% of AUFX's written reviews are positive against 82% of BLEASS Slow Machine's.

AUFX ships an update every 2 months, BLEASS Slow Machine every 28 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AUFX | BLEASS Slow Machine |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | [4.6 (33 ratings)](https://appshunter.io/ios/app/aufxdub/id678982701/reviews) | **[4.7 (38 ratings)](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864/reviews)** |
| Number of ratings | 33 | **38** |
| Positive reviews | **89.7% of reviews** | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 28 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Kymatica AB](https://appshunter.io/developer/522046659) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### AUFX

[App page](https://appshunter.io/ios/app/aufxdub/id678982701)

This app offers a versatile stereo delay audio effect with extensive customization options. It can produce a wide range of sounds, from clean digital delays to gritty dub echoes and flangers. The app supports processing external audio and other applications, with features for saving and sharing presets.

**Highlights:** High quality 32-bit DSP engine, Tape simulation (noise and warble), Filters in the delay loop, Stereo delay, detune, and ping-pong, Dual LFO for modulation, Inter-App Audio and Audiobus support, Save, load, and share presets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great sound quality
- 👍 High-quality plugins
- 👍 Excellent effects
- 👍 Impressive quality
- 👍 Complete immersion

**What reviewers complain about**

- 🐛 Not AUv3 compliant
- 🐛 Unusable in current incarnation
- 🐛 Falling behind without AU3
- 🐛 Lacking AU support
- 🐛 Ironically lacks AU support

**Reported bugs**

- Crashes when loading presets
- Loading presets causes crash
- Will NOT launch in AUM
- Workarounds don't work

**Requested features**

- AUv3 support
- Add creativity, functions, magic
- AUv3 would solve the only problem
- AUv3 compliance
- Add AU3


### BLEASS Slow Machine

[App page](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864)

This music effect app offers creative ways to manipulate audio, allowing you to slow down tracks, create tape stop effects, and program speed variations. It provides precise control over rhythm, pitch, and timing for unique sound design.

**Highlights:** Creative slow down effect, Tape stop effect with performance controls, Speed sequencer for programmed variations, Adjustable loop size and speed, Filter for frequency band control, Multiple time stop modes

**In-app purchases:** none


## Frequently asked questions

### Is AUFX free?

AUFX costs $4.99, with no in-app purchases.

### Is BLEASS Slow Machine free?

BLEASS Slow Machine costs $6.99, with no in-app purchases.

### Which has better reviews, AUFX or BLEASS Slow Machine?

BLEASS Slow Machine is rated higher. AUFX averages 4.6 out of 5 from 33 ratings, while BLEASS Slow Machine averages 4.7 from 38 ratings.

### Do AUFX or BLEASS Slow Machine have ads?

Neither AUFX nor BLEASS Slow Machine shows ads.

### Which is updated more often, AUFX or BLEASS Slow Machine?

AUFX ships an update every 2 months, and BLEASS Slow Machine every 28 months. Most recently, AUFX was updated on October 17, 2026 and BLEASS Slow Machine on October 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.*