Comparison

Reverse Chord Finder Pro vs Tone Scan

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

Tone Scan

Analyze live or recorded audio to reveal musical details like pitch, timbre, and tonal balance. This app offers three live scans to help you understand sound more deeply, simplifying tasks like instrument tuning and learning songs by ear.

Highlights
  • Chromatic spectrum analysis
  • Polyphonic tuner
  • Note mix for tonal balance
  • Pitch recognition
  • Timbre analysis
  • Instrument tuning
  • Chord and key spelling
Read full description

Discover musical secrets in any live or recorded audio. Elevate your perception of sound with this unique app. You’ll be amazed. See what you hear — and can’t hear — with three live scans: 1. A chromatic spectrum to see sound partials and pitch 2. A polyphonic tuner to see the pitch accuracy of select notes 3. A note mix to see changes in tonal balance Simplify tasks like: • Pitch recognition • Timbre analysis • Instrument tuning • Chord and key spelling • Tonality analysis • Learning a song by ear Ready to explore? Try the app for free.

Screenshots

Reverse Chord Finder Pro4 screens
Tone Scan4 screens

Verdict

The call

The clearest difference is rating: Reverse Chord Finder Pro at 4.7 against Tone Scan's 3.2. Reverse Chord Finder Pro also leads on review sentiment (84% vs 50%) and update cadence (every 5 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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. Reverse Chord Finder Pro sells 6 in-app purchases, starting at $0.99 per 7 days and Tone Scan sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Reverse Chord Finder Pro holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Reverse Chord Finder Pro has 705 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of Reverse Chord Finder Pro's written reviews are positive against 50% of Tone Scan's.

UpkeepUpdate frequency

Reverse Chord Finder Pro ships an update every 5 weeks, Tone Scan every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Reverse Chord Finder Pro versus Tone Scan: the parameters behind the verdict, then further details
ParameterReverse Chord Finder ProTone Scan
PriceFreeFree
Rating4.7 (705 ratings) — better3.2 (6 ratings)
Positive reviews83.6% of reviews — better50.0% of reviews
Number of ratings705 — better6
Update frequencyEvery 5 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.5 — better
Further details — not scored
Size36 MB4 MB
Age rating4+4+
DeveloperGhostdustOpenchord Inc.

Customer experience

Reverse Chord Finder Pro

All ratings689 ratings
Positive93.9%
Neutral1.5%
Negative4.6%
Written reviews140 reviews
Positive83.6%
Neutral2.9%
Negative13.6%

Tone Scan

All ratings6 ratings
Positive50.0%
Neutral16.7%
Negative33.3%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

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

Tone Scan

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 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-time1
  • Lifetime (Family)$34.99
2 purchases

Tone Scan

One-time2
  • Audio Free Trial3 variantsFree
  • Unlock Audio$4.99

Questions

Is Reverse Chord Finder Pro free?
Reverse Chord Finder Pro is free to download, with in-app purchases available.
Is Tone Scan free?
Tone Scan is free to download, with in-app purchases available.
Which has better reviews, Reverse Chord Finder Pro or Tone Scan?
Reverse Chord Finder Pro is rated higher. Reverse Chord Finder Pro averages 4.7 out of 5 from 705 ratings, while Tone Scan averages 3.2 from 6 ratings.
Do Reverse Chord Finder Pro or Tone Scan have ads?
Neither Reverse Chord Finder Pro nor Tone Scan shows ads.
Which is updated more often, Reverse Chord Finder Pro or Tone Scan?
Reverse Chord Finder Pro ships an update every 5 weeks, and Tone Scan every 7 months. Most recently, Reverse Chord Finder Pro was updated on November 6, 2026 and Tone Scan on November 2, 2026.

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