Comparison

ChordScanner vs Grothm

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

Head to head
About

ChordScanner

Instantly identify chords from sheet music using your device's camera. Generate creative chord progressions in various styles and hear them played back with accompanying notation. Learn and save chords and progressions privately on your device.

Highlights
  • AI-powered chord scanning from sheet music
  • Generate chord progressions in 6 styles
  • Real-time audio playback with notation
  • Extensive chord library
  • Save favorite progressions
  • On-device processing for privacy
Features
Read full description

ChordScanner turns your iPhone into the ultimate chord companion. Point your camera at any sheet music, lead sheet, or handwritten chart — and our on-device AI instantly identifies every chord. No subscription. No Wi-Fi. Just music. Instant Chord Recognition Snap a photo of any sheet music and watch complex chords come to life in seconds. Powered by advanced OCR AI — 100% on-device, 100% private. Supports 300+ chord types, from simple triads to advanced jazz voicings. Build Creative Progressions Go beyond scanning. Generate rich chord progressions across 6 styles — Jazz, Rock, Blues, Pop, Classical, and Funk — with flexible time signatures (2/4 to 7/4) and a built-in metronome. Your next song idea is one tap away. Hear It Come Alive Real-time audio playback powered by AudioKit, with musical notation that follows along as you listen. Practice, experiment, and create — all in one place. Learn at Your Own Pace Explore an extensive chord library ranging from beginner basics to expert-level harmony. Save your favorite progressions and build your personal musical toolkit. Your Privacy, Protected Everything runs on your device. No cloud uploads, no data sharing, no tracking. Your music stays yours. Perfect for guitarists, pianists, students, composers, and anyone who loves music.Instantly scan chords from any sheet music with AI — then build stunning progressions in Jazz, Rock, Blues & more. All on your iPhone. No internet needed.

About

Grothm

Read full description

Grothm is a structured practice tracker with a professional metronome built in. Plan sessions, automate tempo changes, and track time, BPM, goals, and progress over time. TRAIN WITH A PLAN Build focused routines for warm-ups, rudiments, speed, technique, and repertoire. AUTOMATE TEMPO TRAINING Use multiple automatic tempo modes to develop speed without adjusting the metronome by hand. TRACK EVERY SESSION Automatically record practice time, tempo, goals, and completion history. SEE YOUR PROGRESS Review growth curves and time-range reports to understand how your practice develops. PROFESSIONAL METRONOME Train with precise timing, advanced subdivisions, dotted notes, automatic tempo changes, and speeds up to 350 BPM. FOCUSED CYBERPUNK DESIGN A clear, immersive interface built for focused practice. PRIVATE AND DISTRACTION-FREE No account. No ads. No internet required. Your data stays on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ChordScanner4 screens
Grothm4 screens

Verdict

The call

The clearest difference is in-app purchases: ChordScanner at none against Grothm's 1. Grothm's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, 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

Both are free to download. Grothm sells 1 one-off in-app purchase. ChordScanner asks for nothing beyond the download.

UpkeepUpdate frequency

ChordScanner ships an update every 6 weeks, Grothm every 3 weeks. The most recent releases landed on September 22, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 7 level
ChordScanner versus Grothm: the parameters behind the verdict, then further details
ParameterChordScannerGrothm
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.018
Further details — not scored
Size470 MB7 MB
Age rating12+4+
DeveloperCarlos Azuaje雒敏 郭

In-app purchases

None

ChordScanner

No in-app purchases

1 purchases

Grothm

One-time1
  • Grothm Pro$2.99

Questions

Is ChordScanner free?
ChordScanner is free to download, with no in-app purchases.
Is Grothm free?
Grothm is free to download, with in-app purchases available.
Do ChordScanner or Grothm have ads?
Neither ChordScanner nor Grothm shows ads.
Which is updated more often, ChordScanner or Grothm?
ChordScanner ships an update every 6 weeks, and Grothm every 3 weeks. Most recently, ChordScanner was updated on September 22, 2026 and Grothm on October 18, 2026.

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