# Echochops — Simple&Powerful Delay Machine

> A powerful feedback delay machine for creative sound manipulation and musical experimentation. (iPhone/iPad app by Masayuki Akamatsu.)

- Source: https://appshunter.io/ios/app/echochops/id296803692 (this page in markdown: same URL + `.md`)
- Developer: [Masayuki Akamatsu](https://appshunter.io/developer/284722836)
- Category: Music, Entertainment
- Price: $0.99
- Rating: 3.60/5 from 5 App Store ratings · 32 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English, Japanese
- Released: 2008-11-17
- Data updated: 2026-08-11
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/echochops/id296803692/reviews.md

## What is Echochops?

The extreme delay machine that you've never heard before.

In short:  This is a Karaoke echo machine.  Words spoken in the iPhone's microphone will come back a few seconds later.  It's like the echo effect you can hear at a mountain.  You can get various kinds of effects by changing the delay time and the feedback rate.

To make music:  Tap on the table - it sounds like "tock"......"tock"....."tock"..... Clap your hands - you'll hear "tock", "clap", "tock", "clap", "tock", "clap"... You can produce simple musical patterns this way.

Daily life use:  Leave it as it is.  It's fun to hear repeating sounds of ordinary life.  You can use the stereo headset with the mic.  Take a walk with the iPhone in your pocket and enjoy the repeating sounds around you.  

In detail: "Echochops" produces a feedback delay effect (an echo effect) on the sounds from the iPhone's microphone. The feedback delay is widely used to produce rich vocal and guitar sounds.  It is also used as a special kind of musical performance. You can use "Echochops" not only as a "musical" application  but also as a "noisy" experiment.

Features:
- Input and output level meter
- Input and output level setting
- Delay time setting, within 60 seconds.
- Feedback rate setting, from 0% to 100%
- Direct and Delay balance setting
- Four types of audio filters (Lowpass, Highpass, Bandpass, Notch)
- Audio filter frequency setting
- Audio filer Q setting
- Parameter control by audio input/output levels
- Parameter control by tilting
- Parameter control by rotating (a compass-equipped device only)
- Mode setting to change delay time, "Glitch" or "Funny".
- Output route setting, headphone/receiver or speaker.
- Tilt angle setting for controlling
- Upside-down portrait mode for efficient use of microphone and speaker
- Delayed sound can be erased
- Works with iPod audio simultaneously
- Background audio playback (iOS 4.0 and later)

[[ ATTENTIONS ]] Due to a latency of an audio input and output, the actual delaying time will be slightly longer than the setting.  A natural feedback through the air may happen because the microphone and speaker are placed closely on the iPhone.  Distorted sounds or harsh grating noises will be produced depending of the setting of parameters.  It would be better NOT to use this application if you cannot stand noisy sounds.

[[ Address of Gratitude ]] Thanks to Mr. Kaoru Sato (EP-4)

## Key features

- Adjustable delay time up to 60 seconds
- Feedback rate control
- Four audio filter types
- Parameter control via tilt and rotation
- Glitch and Funny delay modes
- Background audio playback

## Recent user reviews (10 of 32)

All indexed reviews: https://appshunter.io/ios/app/echochops/id296803692/reviews.md

### 1/5 — Not very good

*2022-09-10*

Cost me $0.99 and it was worth no more, sorry

### 2/5 — Add Auv3 support please

*2019-11-22*

Hello,
If you add AUv3 support we can use this in proper recording applications. As a result your app will be more popular.
Thanks.

### 4/5 — Fun app! But why no Bluetooth?

*2019-03-12*

Totally enjoy using this app but would love it if I was able to use it wirelessly - dreaming of all the possibilities if I was just able to dance and hear the sound amplified on external speakers.

### 4/5 — 録音したい……

*2018-12-01*

録音できれば最高です！

### 5/5 — spectacular app and very fun to use!

*2018-04-04*

this is one of my favorite apps. i use it to create noise music and it is incredible. it is very easy to learn to use after playing with the controls a bit. just turn it on and experiment with it and you’ll have fun. i highly recommend it to anyone who likes noise music or just having fun with the echoes and delay. it turns your phone into a musical instrument if you’re into experimental noise music. it is extremely fun and can be used in a variety of ways and the ability to use it with other apps running in the background(or this app running in the background) to manipulate their sounds is brilliant. this developer puts out a bunch of quality apps for free or very low cost and this app is worth every penny and more. i’d give it ten stars if i could. it can be used in a variety of ways and is great fun. thank you so much for making this wonderful and delightful app! =^_^= <3

### 1/5 — 이상하네요

*2018-01-06, version 2.0.0*

결제가 4배가되어있어서 이상해서 그란데 이게 여러번 결제된거같네요ㅡㅡ 고쳐주시죠

### 4/5 — 최고다

*2013-11-13, version 1.3.0*

보컬연습하는데요. 에코마이크 찾다가
받았는데 최고에요. 이큐같은건 조절안되도 사운드 모니터링하기 좋구요. 3디 오디오 받고 육천원 땅에버린 시름을 날려줬네요.
미니 스튜디오같은느낌 최고

근데 레코딩기능좀만들어주세요..!

### 5/5 — ディレイで音遊びするのに最適

*2013-09-10*

ディレイ単体のエフェクターとしては足りないモノはないパラメータ数、かなり長めのディレイタイム設定、アプリをバックグラウンドにしてもディレイ継続と、ディレイでドロドロとした音遊びをするのに最適。フィードバック設定を0にして、スピーカーからマイクへフィードバックさせる使い方が好み。

### 3/5 — Various functions but noise sometime...

*2013-07-21, version 1.3.0*

Various functions but noise sometime...

### 4/5 — 重宝していたのですが…

*2013-02-12*

iPhone5に機種変更したら、音が出力されなくなりました…。

## Frequently asked questions about Echochops

### What is Echochops?

Echochops is a music application that creates a feedback delay effect on sounds from your device's microphone, similar to an echo. It allows users to adjust delay time, feedback rate, and apply various audio filters to create unique soundscapes.

### How much does Echochops cost?

Echochops is a paid application and costs $0.99. This one-time purchase grants you access to all its features for creating audio effects.

### What devices does Echochops support?

Echochops is supported on iPhone, iPad, iPod, and realityDevice. It is designed to work across a range of Apple mobile and immersive devices.

### What is the age rating for Echochops?

Echochops has an age rating of 4+. This indicates it is suitable for users aged 4 and above, with no mature content concerns.

### How often is Echochops updated?

The latest version of Echochops, 2.1.0, was released on December 20, 2018. While it has not been updated recently, the app offers robust features for its intended purpose.

### Does Echochops have ads?

No, Echochops does not contain advertisements. As a paid application, it provides an ad-free experience for users.

### Can Echochops be used for karaoke?

Yes, Echochops can function as a karaoke echo machine. It adds a delay to spoken words from the microphone, creating an echo effect similar to what you might hear in a live performance.

### What are the "Glitch" and "Funny" modes in Echochops?

The "Glitch" and "Funny" modes in Echochops are settings that alter the delay time in unique ways. These modes allow for more experimental and unpredictable audio results beyond standard echo effects.

## Version history (last 5 releases)

### 2.1.1 — 2026-07-06

Minor bugs have been fixed.

### 2.1.0 — 2018-12-20

- User Interface Updated.

### 2.0.0 — 2017-10-13

- iOS 10 and later compatible
- User interface refined

### 1.3.0 — 2012-12-14

- Added background color visualization of input/output audio levels.

### 1.2.0 — 2011-10-06

- Enabled background audio (iOS 4.0 and later).
- Added audio input/output level meters.
- Added audio filter.
- Added filter type selector.
- Added filter frequency slider,
- Added filter Q factor slider.
- Added parameter control by audio input/output levels.
- Added parameter control by tilting.
- Added parameter control by rotating (a compass-equipped device only).
- Added tilt angle setting.
- Added screen rotation setting.

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## More apps by Masayuki Akamatsu

- [Yes\|No Free](https://appshunter.io/ios/app/yesno-free/id284722833)
- [Alarm Free](https://appshunter.io/ios/app/alarm-free/id284728433)
- [Compass Free](https://appshunter.io/ios/app/compass-free/id284735786)
- [picocalc](https://appshunter.io/ios/app/picocalc/id284740333)
- [Gengou Lib](https://appshunter.io/ios/app/gengou-lib/id284830543)
- [T4Two](https://appshunter.io/ios/app/t4two/id284910005)

All apps by Masayuki Akamatsu: https://appshunter.io/developer/284722836

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-11.*