Comparison

Henle Library vs Rational Tonality

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

Head to head
About

Henle Library

Access high-quality digital Urtext editions of classical music scores on your tablet. Practice, rehearse, and perform with a range of interactive features designed for musicians of all levels. Enjoy annotations, metronome, playback, and more.

Highlights
  • Digital Urtext editions
  • Customizable score purchases
  • Print and export PDFs
  • Score modification and annotations
  • Metronome and recording
  • Part and score switching
  • Explanatory notes access
Features
Read full description

“With the Henle Library app a new era begins for classical musicians.” Daniel Hope An indispensable app for professional musicians, amateurs, students and teachers. The Henle Library app delivers G. Henle Publishers’ reliable Urtext editions straight to your tablet. You can practise, rehearse and make music – whenever and wherever you like. And you can enjoy the many unique features of Henle’s digital scores.  Features: - Filter Henle Urtext according to your individual needs and purchase as required (individual part, single movement, bundles etc.) - Free version available for music students (licences for music colleges) - Print, export PDFs, share - Modify the score to suit your needs - Superimpose alternative professional fingerings (or choose “No fingerings”) - Unlimited possibilities for your own annotations - Easily switch between the part and the score at exactly the same measure - Open explanatory notes (footnotes, Critical Report etc.) at the appropriate place in the score - Record and play back your own recordings - Use the integrated metronome - Navigate extremely rapidly - Create and use playlists Do you like our app? Please consider writing a review. Thank you!

About

Rational Tonality

This app provides reference tones for musicians playing continuous-pitch instruments. It helps achieve resonant ensemble intonation during solo practice sessions. Updates and tutorials are planned soon.

Highlights
  • Reference tones for practice
  • Continuous-pitch instrument support
  • Ensemble intonation training
  • Solo practice aid
  • Soft launch version
Features
Read full description

Take the guesswork out of intonation! Musicians who play continuous-pitch instruments like strings, brass, winds, and voice can use Rational Tonality to achieve resonant ensemble intonation when practicing alone in the practice room. This version is the soft launch; look for tutorial information and updates soon.

Screenshots

Henle Library4 screens
Rational Tonality3 screens

Verdict

The call

The clearest difference is price: Henle Library at Free against Rational Tonality's $1.00. Henle Library also leads on ratings volume (94 vs 7). Rational Tonality's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 10). On 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

Henle Library is free to download; Rational Tonality costs $1.00 up front. Henle Library sells 8 one-off in-app purchases. Rational Tonality asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Rational Tonality holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Henle Library has 94 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

Henle Library ships an update every 3 months, Rational Tonality every 10 days. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Henle Library versus Rational Tonality: the parameters behind the verdict, then further details
ParameterHenle LibraryRational Tonality
PriceFree — better$1.00
Rating3.0 (94 ratings)5.0 (7 ratings) — better
Positive reviews34.7% of reviews—
Number of ratings94 — better7
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size54 MB41 MB
Age rating4+4+
DeveloperGuenter Henle VerlagScott Dixon

Customer experience

Henle Library

All ratings94 ratings
Positive39.4%
Neutral18.1%
Negative42.6%
Written reviews193 reviews
Positive34.7%
Neutral21.8%
Negative43.5%

Rational Tonality

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Henle Library

Reported bugs

20 issues
  • Annotations deleted after app updates or restarts
  • Eraser function fails to remove marks consistently
  • Marks don't record when crossing between staff lines
  • App crashes when opening purchased scores
  • Purchased scores disappear from library
Show 15 more
  • Blank pages appear when turning pages
  • App freezes during export to PDF
  • Infinite loading screen in online store
  • Confirmation emails for credit purchases don't arrive
  • App takes 40+ seconds to start
  • Scores don't load immediately after purchase
  • Annotation dots appear randomly when lifting pen
  • Fingering annotations shrink in upper ledger lines
  • Score skips to random pages during performance
  • Export PDF quality is low resolution and fuzzy
  • Annotation layer prevents writing in certain areas
  • Zoom function jumps back to start of page
  • Eraser requires tapping far from annotation to delete
  • Palm rejection fails with Apple Pencil
  • Print layout produces single-line pages for multi-movement pieces

Requested features

20 requests
  • Undo/redo functionality for annotations
  • Ability to print entire multi-movement pieces together
  • Half-page turning option for performers
  • Playlist or collection grouping system
  • Individual score parts (not just full scores)
Show 15 more
  • Better annotation layer management
  • Improved Apple Pencil support and sensitivity
  • Customizable eraser behavior
  • Page turn animation or visual cues
  • Ability to hide specific staves or parts
  • Microphone-activated page turning commands
  • Difficulty ratings visible before purchase
  • Digital-physical score bundling/discounts
  • Better search and filtering in store
  • Support for foot pedal page turners
  • Ability to import scores from other sources
  • Multiple annotation layers with visibility toggle
  • Customizable metronome settings
  • Landscape orientation improvements
  • Persistent user settings and preferences

Rational Tonality

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Henle Library

One-time8
  • 10 Credits$0.99
  • 22 Credits$1.99
  • 55 Credits2 variants$5.99
Show 5 more
  • 100 Credits$9.99
  • 200 Credits2 variants$19.99
  • 300 Credits$29.99
  • 500 Credits$49.99
  • 1000 Credits$79.99
None

Rational Tonality

No in-app purchases

Questions

Is Henle Library free?
Henle Library is free to download, with in-app purchases available.
Is Rational Tonality free?
Rational Tonality costs $1.00, with no in-app purchases.
Which has better reviews, Henle Library or Rational Tonality?
Rational Tonality is rated higher. Henle Library averages 3.0 out of 5 from 94 ratings, while Rational Tonality averages 5.0 from 7 ratings.
Do Henle Library or Rational Tonality have ads?
Neither Henle Library nor Rational Tonality shows ads.
Which is updated more often, Henle Library or Rational Tonality?
Henle Library ships an update every 3 months, and Rational Tonality every 10 days. Most recently, Henle Library was updated on November 11, 2026 and Rational Tonality on November 3, 2026.

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