Comparison

INDIGO Control Panel vs Chord

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

INDIGO Control Panel

This application offers a streamlined interface for managing servers and configuring serial ports. It provides direct access to agent properties for a focused operational experience, without including a built-in server or agent-specific panels.

Highlights
  • Server management
  • Serial port configuration
  • Direct agent property view
  • Streamlined interface
  • Cross-platform compatibility
Features
Read full description

INDIGO Control Panel gives you direct access to your astronomy equipment from your iPhone or iPad. Connect to INDIGO servers, explore connected devices, and adjust their settings through a native macOS interface. Whether you are setting up your equipment, checking device status, or troubleshooting a connection, INDIGO Control Panel brings the properties exposed by your INDIGO drivers and agents into one place. • Discover INDIGO servers on your local network or add connections manually. • Control INDIGO-compatible cameras, telescope mounts, focusers, filter wheels, rotators, and other astronomy devices. • Browse and edit device properties, including settings beyond the controls offered by dedicated imaging applications. • View image previews and download image data. • Manage server and device configurations. • Monitor and export diagnostic logs. • Customize navigation and hide non-essential properties to keep your workspace focused. Version 6 introduces redesigned navigation and property controls, improved connection and reconnection handling, and better performance when displaying large property lists. INDIGO Control Panel is a client for the INDIGO astronomy framework. It requires an accessible INDIGO server and compatible device drivers. Available controls depend on the connected devices and the properties they expose. Requires macOS 17.6 or later.

About

Chord

Unlock musical creativity with a suite of tools for composing and practicing. Generate chord progressions, practice notation, train your ear, and even use your device as a MIDI keyboard. Includes a macOS version for seamless integration.

Highlights
  • Chord progression generation with inversions and extensions
  • Live playback as piano or synth
  • MIDI output to macOS
  • Guitar chord finder
  • Notation reading practice
  • Ear training for intervals and voice
  • macOS version included
Features
Read full description

This app plus your ears equals complete freedom in writing music! A comprehensive set of tools for any musician: * Chord Progression: Create beautiful chord progressions with full flexibility - use inversions, sus2, sus4, 7th, 9th, and more. Enjoy live playback as piano or synth, or send MIDI directly to your macOS computer! * MIDI Controller - Multiple layouts to control your DAW right from your device. (compatible with macOS Catalina and newer) * Modulation Pad - Helps when using a compact MIDI keyboard without built-in pitch and modulation controls. Also includes a sustain pedal (compatible with macOS Catalina and newer). * MIDI Keyboard - Transform your phone into a MIDI keyboard for your macOS computer (compatible with macOS Catalina and newer). * Notation Practice: Practice reading notes in both treble and bass clefs. * Interval Practice: Practice recognizing and comparing musical intervals by ear. * Chord Calculation: Help you learn how to calculate chords and progressions. * Voice & Ear Training: Simple, effective tools for voice practice and ear training. * Harmonic Match - helps you mix tracks in key while DJing. * Guitar Chords - helps you find and browse guitar chords. * Guitar Tuner - helps you tune your guitar to the most popular tunings. Plus, enjoy the macOS version included with your purchase!

Screenshots

INDIGO Control Panel4 screens
Chord4 screens

Verdict

The call

The clearest difference is review sentiment: Chord at 57% against INDIGO Control Panel's 0%. Chord also leads on in-app purchases (none vs 3) and device support (5 vs 3). INDIGO Control Panel's advantage is price (Free vs $3.99). On update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

INDIGO Control Panel is free to download; Chord costs $3.99 up front. INDIGO Control Panel sells 3 one-off in-app purchases. Chord asks for nothing beyond the download.

UpkeepUpdate frequency

INDIGO Control Panel ships an update every 3 weeks, Chord monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
INDIGO Control Panel versus Chord: the parameters behind the verdict, then further details
ParameterINDIGO Control PanelChord
PriceFree — better$3.99
Rating—4.8 (81 ratings) — better
Positive reviews0.0% of reviews57.1% of reviews — better
Number of ratings—81 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree — betterPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS17.615.0 — better
Further details — not scored
Size27 MB47 MB
Age rating4+4+
DeveloperCloudMakers, s. r. o.Roman Sevastyanov

Customer experience

INDIGO Control Panel

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Chord

All ratings81 ratings
Positive95.1%
Neutral1.2%
Negative3.7%
Written reviews21 reviews
Positive57.1%
Neutral19.0%
Negative23.8%

In-app purchases

3 purchases

INDIGO Control Panel

One-time3
  • All features upgradeFree
  • All features 14-day trialFree
  • All features$9.99
None

Chord

No in-app purchases

Questions

Is INDIGO Control Panel free?
INDIGO Control Panel is free to download, with in-app purchases available.
Is Chord free?
Chord costs $3.99, with no in-app purchases.
Do INDIGO Control Panel or Chord have ads?
Neither INDIGO Control Panel nor Chord shows ads.
Which is updated more often, INDIGO Control Panel or Chord?
INDIGO Control Panel ships an update every 3 weeks, and Chord monthly. Most recently, INDIGO Control Panel was updated on November 1, 2026 and Chord on November 7, 2026.

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