Comparison

chorDLE vs Cello Sight

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

Head to head
About

chorDLE

This app helps you develop your ear for music by training you to recognize chords and intervals from real songs. It offers various interactive modes, including hands-free options and multiplayer challenges, to improve your musical understanding and playing ability.

Highlights
  • Chord progression training from real songs
  • Harmony Wheel visualization
  • Hands-free playing modes (Blindfold Test, Sing It Back)
  • Multiplayer room hosting and joining
  • VoiceOver support
  • 14 levels of interval and chord recognition
Features
Read full description

If you can hear chords, you can sit down and play with other people without having to guess what they are playing. chorDLE trains that with chord progressions taken from real songs. The songbook holds 17,023 songs, and every progression shows you the songs that use it. I–V7–vi–IV alone appears in 199, including Goodbye Yellow Brick Road, Little Red Corvette and With Or Without You. Learn to hear the patterns and start sitting down with music and musicians and playing along. Start with one question: major or minor. No theory needed. Tap a chord to hear it, then answer. After each hand, the chords light up on the Harmony Wheel by the job they do in the key: tonic, predominant or dominant. The Colors level adds sevenths, suspended, augmented and diminished chords, voiced the way the songs play them. Three ways to play hands-free: - Blindfold Test: hear an interval, say its name. - Sing It Back: hear it, then sing it. - Chord Trainer by voice: say "play", then call out the chords. Or play the original chorDLE: a chord plays, you pick out the intervals inside it, and you fill a line on your card. Fourteen levels take you from two-note intervals to full seventh chords. Host a room and play the chords while everyone guesses, or join with a six-character code. VoiceOver works across the Chord Trainer. Free to start, with no sign-up needed to play. Sign in with Discord or Apple to sync across devices and join the leaderboard. Made by the producers and musicians at Beat Kitchen, a real community with weekly gyms, office hours and feedback sessions. Your ears are better than you think.

About

Cello Sight

Features
Read full description

Cello Sight-Read Studio Transform your cello practice with instant audio pitch detection! Designed for beginners and players alike, Cello Sight-Read Studio builds lightning-fast sight-reading reflexes, robust muscle memory, and flawless intonation in just 5 to 10 minutes a day. Fully localized in English, Chinese (中文), Japanese (日本語), Spanish (Español), German (Deutsch), French (Français), and Korean (한국어). Key Features & Functions Real-Time Audio Pitch Detection: Uses your microphone to analyze what you play instantly. Notes change color upon a successful hit, ensuring you never practice mistakes. String-by-String & Finger Isolation: Master your instrument efficiently using Horizontal Training (single strings: C, G, D, A, or custom pairs) and Vertical Training (single finger positions across all strings). Customizable Scales & Key Signatures: Select your desired scale via the top-row dropdown to automatically update generated sheet music. Targeted Position Shifting: Choose from standard cello positions to practice shifts, automatically adjusting finger calculations and practice goals. Adjustable Note Counts: Configure how many notes (from 1 to 16) appear on the musical staff at one time to fit your skill level. Intonation Target Settings: Adjust difficulty between Approximate Pitch, Good Intonation, and Pure Intonation to fine-knit your finger placement accuracy. Note Edit Mode & Custom Practice: Easily toggle Note Edit Mode to override individual notes on the staff within safe structural boundaries, and check "Practice Same Batch" to loop and drill difficult segments. Live Visual Guidance: Turn on Show Played Note for real-time sharp/flat arrow indicators, and enable Show Finger No. to display left-hand finger numbers directly above notes. Notes Per Minute (NPM) Tracking: Monitor your progress in real-time to watch your reading speed soar from beginner steps to professional fluency. Built-in Audio & Mic Tools: Use the Play Sequence button to listen to correct pitches, and test your input device instantly with the built-in microphone tester. Pricing & Free Access Free Download: Get unlimited, lifetime access to the A and D string modules to jumpstart your daily practice routine completely free of charge. Full Unlock: Upgrade via a one-time in-app purchase of $6.99 USD to unlock all remaining strings, fingers, positions, and custom combinations.

Screenshots

chorDLE4 screens
Cello Sight4 screens

Verdict

The call

The clearest difference is in-app purchases: chorDLE at none against Cello Sight's 1. On price, update cadence, ads 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. Cello Sight sells 1 one-off in-app purchase. chorDLE asks for nothing beyond the download.

UpkeepUpdate frequency

chorDLE ships an update every 3 days, Cello Sight every 4 days. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
chorDLE versus Cello Sight: the parameters behind the verdict, then further details
ParameterchorDLECello Sight
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size26 MB5 MB
Age rating+44+
DeveloperBeat Kitchen LLCBrandon Wu

In-app purchases

None

chorDLE

No in-app purchases

1 purchases

Cello Sight

One-time1
  • Cello Sight-Read Studio$6.99

Questions

Is chorDLE free?
chorDLE is free to download, with no in-app purchases.
Is Cello Sight free?
Cello Sight is free to download, with in-app purchases available.
Do chorDLE or Cello Sight have ads?
Neither chorDLE nor Cello Sight shows ads.
Which is updated more often, chorDLE or Cello Sight?
chorDLE ships an update every 3 days, and Cello Sight every 4 days. Most recently, chorDLE was updated on October 31, 2026 and Cello Sight on October 31, 2026.

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