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C.ARP

C.ARP

super music maker

114 ratings
114 reviews
🎬 Entertainment
🎵 Music
$9.99

Details

  • Released
  • Updated
  • October 20, 2019
  • October 10, 2026

Features

Developer

Paolo Giorgi
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C.ARP screenshot #9 for iPhone
iphone
ipad
📌Ready
Reviews summary↘︎
⭐114
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
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📦~ in 3 weeks
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About

This app offers a unique approach to music creation, inspired by vintage instruments. It allows users to play chords and melodies with intuitive touch controls, apply real-time audio effects, and utilize a dynamic rhythm section. Advanced features include sampling, MIDI output via Bluetooth, and an iPad-optimized interface.

✓Chord and melody playing
✓Real-time audio effects
✓Dynamic rhythm section
✓Sampling and looping
✓MIDI output via Bluetooth
✓iPad optimized interface
✓In-app tutorial
Show original description

What users say about C.ARP

Reviews of C.ARP are mixed: the Music app is rated 4.3/5 from 114 App Store ratings. What users like most: authentic omnichord sound, great for learning music theory. Top complaints: no sound issue, frequent crashes. Summarized from real user reviews.

Positive things

  • 🎶Authentic omnichord sound
  • 💡Great for learning music theory
  • 🤩Fun and enjoyable to use
  • 📱Accessible on mobile devices
  • 💰Affordable alternative to real omnichord
  • 🎨Visually appealing design
  • 👍Intuitive interface
  • 🎁Good for gifting

Negative things

  • 🔊No sound issue
  • 💥Frequent crashes
  • 🤔Confusing interface/menus
  • 🐌Slow UI responsiveness
  • 🎚️Limited sound design options
  • 🎚️Stale internal sounds
  • 🎚️MIDI Send broken
  • 🎚️Can't close menus
  • 🎚️Chord not triggering consistently
  • 🎚️Latency issues
  • 🎚️Strumming area feels small
  • 🎚️Sound can be tinny/harsh
See all reviews
+1

What's New in C.ARP

4.73

October 10, 2026

MIDI Out is now finally patched and can work with bluetooth or cable. the keyboard has been edited to accept more notes. overall fixes and better performances. other news incoming! thanks!

More

User reviews

Most RecentHighest RatedLowest Rated

Great for audio professionals, omnichord enthusiasts, tinkerers, and everyone in between.

I love that classic omnichord sound, and I love how fun it is to noodle around with this app. As a music hobbyist, this has been extremely helpful in dissecting and learnjng chord progressions, following along easily with guitar/piano tabs, and writing my own music. All on the go during my daily commute. Can’t recommend enough, have also bought as a gift!
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Camiam321Camiam321

Response from developer

Thanks for this kind review. So glad you’re enjoying the app. We’re also working on something new. Have a good music ! 🩵🎵

So much fun

I love playing on my iPad when I’m boreeddd
katrina souvalakikatrina souvalaki

Response from developer

Glad to hear ❤️ some updates are also on the way so don’t miss out :)

It was good!

Yall should make the keyboard longer
MeowmeowmeowmeowwwwwwwwwMeowmeowmeowmeowwwwwwwww

Love the app

Congratulations on version 4 of this amazing app. One of a kind. Is there any foreseen update for the addition of AUV3?
SkechiiiSkechiii

Rad and awesome

^
Candy lover who wants tix backCandy lover who wants tix back
See 109 more reviews

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User experience

🐞

Reported Bugs

40 issues

Sound doesn't work

Bug

No sound

Bug

App crashes when opening

Bug

App crashes when trying to open

Bug

App auto-quits on start

Bug

Chord panel smaller after update

Bug

System setting always out

Bug

App crashes after using only once

Bug

App crashes when pressing a button

Bug

MIDI Send is broken

Bug

Can't open the app on Mac

Bug

Can't close the menu

Bug

App crashes if sample button is pressed

Bug

Sample button crashes the app

Bug

Strumming doesn't work

Bug

App crashes when sample or reverse is pressed

Bug

App is not stable / crashy

Bug

Sampling function is DOA

Bug

Sampler doesn't work / crashes

Bug

Crash problem

Bug

Send midi function greyed out

Bug

App crashes when pressing the red sample button

Bug

Sampler crashes the app 100%

Bug

App crashes when attempting to use record feature

Bug

Sample button keeps crashing the app

Bug

Record, loop, or reverse buttons cause crash

Bug

Bugs related to recording/sampling

Bug

Sampler may crash

Bug

Audio panel covers gear button

Bug

E chord is extremely low octave and sounds muddled

Bug

App crashes when trying to start an audio recording

Bug

Certain audio glitches with recording and looping

Bug

Buttons crash the app

Bug

App crashes when pressing the sample button

Bug

Sample and reverse buttons crash the app

Bug

MIDI out doesn't seem to work

Bug

Latency is a killer

Bug

Chord doesn't trigger if not hit perfectly

Bug

Sliding finger doesn't sound chord

Bug

Sound can be tinny/harsh

Bug
✨

Requested Features

18 requests

Rearrange layout to be chromatic

Feature

AUV3 support

Feature

Inter-app-audio / GarageBand integration

Feature

MIDI out functionality

Feature

Save last state

Feature

Contextual help menus

Feature

More sound design options

Feature

Make it an Auv3 midi controller

Feature

Support iPad

Feature

Add "midi out" option

Feature

Make it an audio app extension for GarageBand

Feature

Add a way to use this app as a Bluetooth midi controller

Feature

Add a visual distinction for individual buttons

Feature

Add velocity on the strum bar

Feature

Allow autoplay chord to hold like a drone

Feature

Transpose reverb of strummed notes

Feature

Add midi connectivity with external devices and other apps

Feature

Add custom colors for themes

Feature

FAQ

What is C.ARP?

C.ARP is a mobile music creation application inspired by vintage keyboards and omnichords. It provides an intuitive interface for playing chords and melodies, applying real-time audio effects, and utilizing a dynamic rhythm section. The app also includes sampling capabilities and MIDI output.

What are the key features of C.ARP?

Key features include an easy-to-use chord and melody playing system, real-time audio effects like delay and reverb, a customizable rhythm section with drum pads, the ability to record and manipulate samples, and Bluetooth MIDI output for connecting to DAWs. It also offers an in-app tutorial.

How much does C.ARP cost?

Based on the provided information, C.ARP is available for free and does not feature in-app purchases or advertisements. This allows users to access all its functionalities without any cost.

What devices is C.ARP compatible with?

The app is designed for mobile use and has an interface updated for iPads, meaning it can be enjoyed on both iPhones and iPads. It also supports Bluetooth MIDI output, allowing connection to Macs for use with Digital Audio Workstations (DAWs).

What are common use cases for C.ARP?

Common use cases include composing music on the go, experimenting with chord progressions and melodies, creating unique soundscapes with real-time effects, and using it as a portable MIDI controller for more advanced music production setups. It's suitable for both beginners and experienced musicians.