Comparison

Harmonius vs Key Lens

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

Head to head
About

Harmonius

Features
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Unlock your musical potential with Harmonius โ€“ the ultimate companion for aspiring musicians! Harness the power of perfect pitch and elevate your ear training experience to new heights. Dive into a world of musical discovery where you can listen to notes, practice your pitch recognition skills, and take on challenging audio quizzes โ€“ all within the palm of your hand. Whether you're a beginner or a seasoned musician, Harmonius offers a personalized learning journey tailored to your skill level. With our intuitive interface and comprehensive exercises, you'll develop a keen ear for pitches and enhance your musical abilities like never before. Key Features: - Listen to notes and chords to refine your ear - Engage in interactive quizzes to test your perfect pitch - Track your progress and see your skills improve over time - Customize your training sessions to focus on specific areas of improvement - Unlock achievements and milestones as you master each level Experience the joy of mastering pitch recognition and become the musician you've always dreamed of with Harmonius. Download now and embark on your journey to musical excellence!

About

Key Lens

Features
Read full description

Start with a scale. Every chord, note, and progression in the app stays locked to the key you pick. Explore common chord progressions or build your own! Extensive options for voicings, inversions, extensions, borrowed chords, alternate bass notes, and more. Learn to play your chord progression on piano! Easy to read, color coded piano diagrams make playing your chords on a real piano easy.

Screenshots

Harmonius3 screens
Key Lens4 screens

Verdict

The call

The clearest difference is in-app purchases: Harmonius at none against Key Lens's 1. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Key Lens sells 1 one-off in-app purchase. Harmonius asks for nothing beyond the download.

Scorecard1 real difference ยท 5 level
Harmonius versus Key Lens: the parameters behind the verdict, then further details
ParameterHarmoniusKey Lens
PriceFreeFree
Update frequencyโ€”Every 5 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 โ€” better
Further details โ€” not scored
Size152 MB64 MB
Age rating4+4+
DeveloperLorenzo BrownAlex Amayo

In-app purchases

None

Harmonius

No in-app purchases

1 purchases

Key Lens

One-time1
  • Midi Output$9.99

Questions

Is Harmonius free?
Harmonius is free to download, with no in-app purchases.
Is Key Lens free?
Key Lens is free to download, with in-app purchases available.
Do Harmonius or Key Lens have ads?
Neither Harmonius nor Key Lens shows ads.

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