Trope

Trope

by Opal Limited

35 ratings
144 reviews
$3.99

Details

  • Released
  • Updated
  • September 19, 2009
  • September 19, 2023

Features

Trope video #1 for iPhone
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iphone
ipad
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About

Create evolving soundscapes by tracing abstract shapes on your screen. This app offers a darker, more introspective and atmospheric musical experience, ideal for generative music exploration. Recommended for use with headphones or external speakers.

Generative soundscape creation
Interactive touch interface
Evolving musical textures
Introspective and atmospheric tone
Abstract shape tracing
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What users say

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What's New in Trope

1.4

September 19, 2023

New symmetry feature added. Improved performance on recent devices. Full screen support for M1 Macs.

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Charts

Top Paid

📉 110-1

Music

This app dropped -1 position in Music chart.

Last updated on July 20, 2026.

User reviews

Major flaw

Does not run in the background or when iPad is in sleep mode, so pretty useless as an ambient app. Foolish.

Pioneering Genius

When Eno makes an app. You better listen. It doesn’t get any better for generative music than this one.

Perfect work music

I poopoo-ed this app when I first bought it many years ago. The interaction element didn’t gel with me. Now that I’m working from home during the coronavirus lockdown, I’m finding it perfect for creating ambient mood music to help with focus. I just turn it, click Listen and the textures evolve by themselves.
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My favorite music player

I listen and watch this app make music. I find this more enjoyable than a music service simply because it can shuffle the many moods and generates unlimited music. Each song being different and never the same. I use this more than any other music app, including my music subscription services!! I don’t make music with it, I just listen and let it come up with its own things. Simply amazing. Between this and reflection I have more ambient music than my iTunes library! Ha!
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Amazing generative music app!

Was uncertain since app hasn’t been updated in 3 years; however, it works fine on my iPad Pro with iOS 11. Having been a fan of Brian Eno in my youth, I enjoy creating and listening to these ethereal and calming tones. How to use: Draw several lines or dots with your finger, then wait for the song to develop; the music will follow the patterns you created. Also, the neon color flows and geometrics are beautiful to behold! Very relaxing and meditative, for those into this genre.
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Developer apps

User experience

🐞

Reported Bugs

12 issues

Does not run in background/sleep mode

Bug

App speeds up sleep timer

Bug

Errors about iOS 11 incompatibility

Bug

Cannot listen and create after update

Bug

Screen looks awful (outdated UI)

Bug

App doesn't work/programmed feel

Bug

Music doesn't stop when app is closed

Bug

Sleep timer not working correctly in iOS6

Bug

Glitchy sound/static at note start

Bug

ノイズが入る (Noise occurs)

Bug

音が割れる (Sound distortion/crackling)

Bug

Bug that changes line type back to default after erasing

Bug

Requested Features

11 requests

Ability to save compositions

Feature

Option to turn off random background noises

Feature

More control over sound parameters (attack, duration)

Feature

User sound input option

Feature

Recording function

Feature

More variety in sounds and moods

Feature

Mac app store version

Feature

Streaming to AirPort Express

Feature

Improve responsiveness to touches

Feature

Option to remove random tones

Feature

Background tasking/multitasking improvements

Feature

FAQ

What is Trope?

Trope is a generative music application designed by Brian Eno and Peter Chilvers. It allows users to create endlessly evolving soundscapes by interacting with abstract shapes on the screen. The app is noted for its darker, more introspective, and atmospheric musical experience.

How do I create music with Trope?

You create music by tracing abstract shapes onto the screen. Your movements vary the tone and influence the evolving soundscapes. The app is recommended for use with headphones or external speakers to fully appreciate the immersive audio.

Is Trope free to use?

Based on the provided information, Trope is a paid application. It does not feature in-app purchases or advertisements, indicating a one-time purchase model.

What is the difference between Trope and Bloom?

Trope expands on the ideas of Bloom but is described as darker in tone, more introspective, and atmospheric. While both are generative music apps, Trope offers a distinct emotional and sonic experience compared to its predecessor.