Comparison

Reverse Chord Finder Pro vs Harmony Calipers

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

Head to head
About

Reverse Chord Finder Pro

Identify chords by inputting notes from various instruments or music notation. Discover chord names, hear them played, and analyze their construction. Supports multiple instruments and customization options for musicians of all levels.

Highlights
  • Input notes via piano, string instruments, or music score
  • Extensive chord database with over 100 chord types
  • Hear chords as block chords or arpeggios
  • Find partial chord matches
  • Save identified chords to Favorites
  • View chords on different instruments or notation
  • Left-handed string instrument support
Features
Read full description

If you’ve ever asked “What chord am I playing?” Reverse Chord Finder Pro is for you! Just select two or more notes — using piano, stringed instruments, or music notation — and the app will show you the names of the chords that match. “This app is simply awesome! It will accelerate your discovery of new chords in leaps and bounds and raise your level of playing to new heights.” — A Happy Customer KEY FEATURES * Enter notes in 3 different modes: Piano/Keyboard, String Instruments (guitar, bass, ukulele, etc.), and Music Score * Extensive chord database — more than 100 chord types! * Hear chords played as block chords or arpeggios * Find partial chord matches to isolate passing melody notes * Use the Favorites list to bookmark chords you’ve identified * See the same chord represented on different instruments or in musical notation SPECIAL FEATURES * Left-handed String Instrument support * String Instrument options for 3 to 12 strings, plus capo * Music Score mode supports treble and bass staff, and all 12 major and minor keys * View major scale degrees for selected notes to learn chord construction * Customize chord notation (CDEFGAB, CDEFGAH, Do-Re-Mi) MUSICIANS, COMPOSERS, AND MUSIC STUDENTS * Analyze and write down harmonies * Recognize and construct chords more easily * Improve your understanding of chord theory MUSIC TO OUR EARS “I can look up chords faster than with any other method. Worth much more than the current price.” “With this app I can find out what the chords are ... No more embarrassment in front of the rest of the band!” “A songwriter’s best friend!” Questions or comments? Need some help? Email: support@reversechord.com Web: http://reversechord.com Terms of use: http://reversechord.com/terms.html

About

Harmony Calipers

Features
Currently charting
Read full description

Harmony Calipers is a visual songwriting companion for musicians. Use the Circle of Fifths as a harmonic map to explore chord relationships, build progressions, arrange song sections, and export clean chord charts or PDF song packs. Harmony Calipers is designed for musicians working with a real instrument nearby. Sit at a piano, hold a guitar, mandolin, ukulele, banjo, or another chordal instrument, and use the app to organize harmonic ideas into playable song forms. What you can do with Harmony Calipers: Explore chord relationships Use the harmony wheel to see how chords relate across the Circle of Fifths. Select tonal centers, compare harmonic distance, and view relationship paths directly on the wheel. Browse suggested progressions Start from suggested chord progressions organized by musical function, mood, and relationship type. Color badges help identify functional harmony, stable diatonic movement, dominant tension, caliper-derived ideas, and progressions that may need review. Customize progressions Send any suggested progression into the Custom Progression builder. Edit the title, chord sequence, tonal center, mode, and harmony type, then validate the result. Build songs by section Use Song Builder to arrange progressions into song forms. Add sections such as Intro, Verse, Chorus, Bridge, Break, Interlude, and Outro. Reorder sections to shape the structure of the song. View chord charts Harmony Calipers includes piano keyboard charts, piano staff notation, combined staff/keyboard views, and fretted instrument charts for guitar, mandolin, mandola, ukulele, baritone ukulele, and banjo. Export your work Export full song charts, individual section sheets, traditional chord chart layouts, modern Harmony Calipers layouts, and PDF song packs. Designed for visual writing Harmony Calipers does not try to replace your instrument. It helps you see harmonic relationships, organize chord ideas, and create usable charts so you can play, revise, and develop songs with your own instrument. Good for: - Songwriters building chord progressions - Guitarists, pianists, and multi-instrumentalists - Music theory learners - Teachers creating chord examples - Players exploring the Circle of Fifths - Musicians who want clean printable chord charts - Anyone turning harmonic ideas into organized song forms New in this version: - Optional piano staff notation - Combined piano staff and keyboard view - Improved piano voicing display - great for beginners and all skill levels - Better piano chart exports - More reliable export pagination for staff/keyboard chart packs Harmony Calipers turns harmonic ideas into organized song forms.

Screenshots

Reverse Chord Finder Pro4 screens
Harmony Calipers4 screens

Verdict

The call

The clearest difference is price: Reverse Chord Finder Pro at Free against Harmony Calipers's $4.99. Harmony Calipers's advantage is in-app purchases (none vs 7) and chart position (#193 vs unranked). On update cadence, ads, device support and iOS requirement 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

Reverse Chord Finder Pro is free to download; Harmony Calipers costs $4.99 up front. Reverse Chord Finder Pro sells 7 in-app purchases, starting at $0.99 per 7 days. Harmony Calipers asks for nothing beyond the download.

UpkeepUpdate frequency

Reverse Chord Finder Pro ships an update every 5 weeks, Harmony Calipers monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 8 level
Reverse Chord Finder Pro versus Harmony Calipers: the parameters behind the verdict, then further details
ParameterReverse Chord Finder ProHarmony Calipers
PriceFree — better$4.99
Rating4.7 (704 ratings) — better—
Positive reviews83.6% of reviews—
Number of ratings704 — better—
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank—#193 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size36 MB9 MB
Age rating4+4+
DeveloperGhostdustSalvatore Angelone

Bugs and requests

Reverse Chord Finder Pro

Reported bugs

2 issues
  • Capo feature not working as expected
  • Sound not playing in some cases

Requested features

5 requests
  • Ability to save chord progressions
  • Chord lookup functionality
  • MIDI support
  • Customizable chord display options
  • Export chord data to PDF

Harmony Calipers

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Reverse Chord Finder Pro

Subscriptions5
  • Weekly (Personal)7 Days trial$0.997 Days
  • Monthly (Personal)$1.991 Month
  • Monthly (Family)$2.991 Month
Show 2 more
  • Annual (Personal)$17.991 Year
  • Annual (Family)$24.991 Year
One-time2
  • 7 Day TrialFree
  • Lifetime (Family)$34.99
None

Harmony Calipers

No in-app purchases

Questions

Is Reverse Chord Finder Pro free?
Reverse Chord Finder Pro is free to download, with in-app purchases available.
Is Harmony Calipers free?
Harmony Calipers costs $4.99, with no in-app purchases.
Do Reverse Chord Finder Pro or Harmony Calipers have ads?
Neither Reverse Chord Finder Pro nor Harmony Calipers shows ads.
Which is updated more often, Reverse Chord Finder Pro or Harmony Calipers?
Reverse Chord Finder Pro ships an update every 5 weeks, and Harmony Calipers monthly. Most recently, Reverse Chord Finder Pro was updated on October 29, 2026 and Harmony Calipers on October 25, 2026.

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