# WaveFolder vs Midi Echo AU

The clearest difference is rating: WaveFolder at 4.6 against Midi Echo AU's 3.5. WaveFolder also leads on review sentiment (75% vs 50%). Midi Echo AU's advantage is price ($1.99 vs $4.99) and update cadence (every 6 weeks vs every 3 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

WaveFolder costs $4.99 and Midi Echo AU $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WaveFolder holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews point the same way: 75% of WaveFolder's written reviews are positive against 50% of Midi Echo AU's.

WaveFolder ships an update every 3 months, Midi Echo AU every 6 weeks. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | WaveFolder | Midi Echo AU |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/wavefolder-audio-unit/id1289484131/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/midi-echo-au/id1422324067/reviews) |
| Number of ratings | **9** | 8 |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 4 MB | 13 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Living Memory Software](https://appshunter.io/developer/1038887268) | [anthony saunders](https://appshunter.io/developer/460303742) |

## What reviewers say

### WaveFolder

[App page](https://appshunter.io/ios/app/wavefolder-audio-unit/id1289484131)

This audio effect app adds harmonics to sound by folding waveforms. It's ideal for enhancing synth leads, transforming drum loops, and creating ambient drones. Customize folding thresholds and modulation for unique sound design.

**Highlights:** Wave folding distortion, Harmonic addition, Adjustable folding thresholds, Modulation of folding amount and symmetry, Tempo-based or free-running modulators, Built-in wave shaper, Color themes

**Features:** Vision Pro support

**In-app purchases:** none


### Midi Echo AU

[App page](https://appshunter.io/ios/app/midi-echo-au/id1422324067)

This app creates repeating MIDI note effects, similar to audio echoes but for digital music signals. It allows for independent control of note-on and note-off messages, offering extensive customization for musical expression.

**Highlights:** Selectable echo types (fixed, ping pong, taper), Adjustable number of echoes (0-20), MIDI velocity reduction for quieter echoes, Define pitch interval for successive echoes, Tempo sync or mSec delay time, Set MIDI channel for echoes, Disable individual echoes, MIDI thru control

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WaveFolder free?

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

### Is Midi Echo AU free?

Midi Echo AU costs $1.99, with no in-app purchases.

### Which has better reviews, WaveFolder or Midi Echo AU?

WaveFolder is rated higher. WaveFolder averages 4.6 out of 5 from 9 ratings, while Midi Echo AU averages 3.5 from 8 ratings.

### Do WaveFolder or Midi Echo AU have ads?

Neither WaveFolder nor Midi Echo AU shows ads.

### Which is updated more often, WaveFolder or Midi Echo AU?

WaveFolder ships an update every 3 months, and Midi Echo AU every 6 weeks. Most recently, WaveFolder was updated on October 19, 2026 and Midi Echo AU on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*