Comparison

InstaChord vs Guitarr Intervals

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

Head to head
About

InstaChord

This app offers an innovative electronic musical instrument for instant music performance and learning chord progressions. It features intuitive controls for playing chords like a guitar or piano, with options to switch between interfaces and play various chord types. It also supports MIDI connections for expanded musical possibilities.

Highlights
  • Instant music performance
  • Guitar and piano interfaces
  • Play various chord types
  • Learn chord progressions
  • MIDI connection support
  • Set key for any song
Read full description

InstaChord-i is an easy-to-play musical instrument, a learning tool for chord progressions, and an auxiliary tool for composing. You can experience an innovative electronic musical instrument "InstaChord", which has raised about $770,000 by crowdfunding with this app. https://instachord.com (This app was developed under the supervision of Mr. Yuichi Nagata, the developer of "InstaChord".) ■ Features ◆ Can perform music instantly You can enjoy playing like a guitar or piano by tapping and swiping the pads while holding down the buttons with the chord symbols (C, Dm, etc.). There are fundamental chords based on music theory on the screen, so you can make a song just by choosing buttons loosely. ◆ Guitar or Piano You can choose from two types of interfaces, "guitar strings" and "piano keyboards". ◆ Play various chords If you press "~" (swap button) at the same time, the major and minor of the chord will be switched. (Ex: "F" + "~" → "Fm", "Em" + "~" → "E") You can also play various chords by pressing the chord buttons (7, M7, sus4, etc.) at the same time. * Some functions are paid options ◆ You can play any song When you set the Key setting to the key of a song, the fundamental chords (diatonic chords) used for that song are assigned to the buttons on the screen, so you can easily play songs with any key. Since numerals (scale degree) is written on the screen, it is ideal for learning chord progressions. ◆ MIDI Connection - Virtual MIDI: Control ohter Virtual MIDI compatible synth app on your device. * GarageBand doesn't support Virtual MIDI input. - Wi-Fi: Send MIDI notes to PC or Mac via Wi-Fi. * Windows PC requires connection software such as rtpMIDI. - BLE MIDI: Send MIDI notes to Mac or other iOS device via Bluetooth. ■ Playable chords major, minor, 7, M7, m7, mM7, add9, m9, sus4, dim, aug, m7-5 * Some chords are paid options ■ Built-in 28 Sounds * It is different from the built-in sound of the hardware version of InstaChord. * Some sound sources are paid options Ac.Guitar E-Gt.Jazz E-Gt.Clean E-Gt.Dist Sitar Koto Ac.Piano E.Piano Vibraphone Marimba Agogo Lead Synth Polysynth Brightness Rock Organ Church Organ Accordion Strings Synth Strings Voice Oohs Trumpet Synth Brass Flute Whistle Warm Pad Bowed Grass Metal Pad Rain FX ■ InstaChord-i website https://instachord.com/app

About

Guitarr Intervals

Features
Read full description

Guitarr Intervals Ear training for intervals. Two notes sound, you name the leap between them. Nine drills, a library of all thirteen intervals, and the guitar neck. Ear Examiner — hear the leap, name it. Same or different — two leaps, one decision. Mix-ups — the pairs that get swapped: minor and major third, fourth and fifth, fifth and tritone. Which is larger — two leaps, pick the bigger one. Chain — three notes, two hops, name both. Inversion — hear the leap, then the way back. Fourth and fifth, third and sixth. Song hooks — which song starts like this? Guitar neck Find on the neck — hear the leap, tap it on the fretboard. Build it — the start is marked, land on the second note. Standard tuning, twelve frets, every position that fits. Library Unison to the octave. The short label (m3, P5, TT), the semitone count, both notes on a treble staff, and a button that plays it. Song hooks 27 songs as memory aids. Jaws for the minor second, Star Wars for the fourth, Twinkle Twinkle for the fifth, Somewhere Over the Rainbow for the octave. The real opening plays, not just two notes. Swap the song for any interval you like. Settings Four levels, from five intervals up to all thirteen. Playback ascending, descending, together, or mixed. Sharps or flats. Also A small home screen widget. XP shared with the other Guitarr apps. 28 languages. Guitarr Intervals Pro Examiner, the library and the fretboard are free. The other eight drills are free three times each, then Pro opens them: EUR 9.99 per year, or EUR 29.99 once for Lifetime. The yearly plan renews until you cancel in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacy.justbe.works

Screenshots

InstaChord4 screens
Guitarr Intervals4 screens

Verdict

The call

The clearest difference is update cadence: Guitarr Intervals at every 3 weeks against InstaChord's every 3 months. On price, ads, in-app purchases and device support 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

Both are free to download. InstaChord sells 3 one-off in-app purchases and Guitarr Intervals sells 2 in-app purchases, starting at $8.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

InstaChord ships an update every 3 months, Guitarr Intervals every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
InstaChord versus Guitarr Intervals: the parameters behind the verdict, then further details
ParameterInstaChordGuitarr Intervals
PriceFreeFree
Rating4.9 (16 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings16 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size7 MB31 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.JUSTBE WORKS LTDA

In-app purchases

3 purchases

InstaChord

One-time3
  • Available All Chords$1.99
  • All sounds are available$1.99
  • Available sending MIDI message$4.99
2 purchases

Guitarr Intervals

Subscriptions1
  • Guitarr Intervals Pro Yearly$8.991 Year
One-time1
  • Guitarr Intervals Pro Lifetime$24.99

Questions

Is InstaChord free?
InstaChord is free to download, with in-app purchases available.
Is Guitarr Intervals free?
Guitarr Intervals is free to download, with in-app purchases available.
Do InstaChord or Guitarr Intervals have ads?
Neither InstaChord nor Guitarr Intervals shows ads.
Which is updated more often, InstaChord or Guitarr Intervals?
InstaChord ships an update every 3 months, and Guitarr Intervals every 3 weeks. Most recently, InstaChord was updated on November 11, 2026 and Guitarr Intervals on October 31, 2026.

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