Comparison

Sonofield Ear Trainer vs THE FEEL BOOK

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

Head to head
About

Sonofield Ear Trainer

This app helps musicians develop their ear by focusing on the feeling of individual notes within a key, rather than traditional interval training. It uses sustained drones and offers various modes like identifying scale degrees, melodies, and singing exercises. The app adapts to your skill level with an intuitive interface and progression path.

Highlights
  • Feeling-based note recognition
  • Scale degree identification
  • Melody recognition training
  • Singing exercises
  • Hands-free training mode
  • Interactive exploration instrument
Features
Read full description

Sonofield Ear Trainer (SET) is a revolutionary ear training app designed to help you intuitively play the melodies you hear and imagine. Instead of relying on traditional old methods like intervals, SET focuses on helping you feel the unique character of each note within a key. By using sustained drones to create a tonal foundation, you’ll learn to recognize scale degrees based on their *feeling*, not just how they sound. The app offers a variety of ways to train: * Degrees Mode - Identify individual notes against the drone by feeling. The heart of SET. * Melody Mode - Identify short melodic phrases, preparing you for real music. * Voice Mode - Sing the requested scale degree into your microphone. * Pocket Mode - Hands-free training for when you're on the go. * Free Play - An interactive instrument for exploration. With its intuitive, color-coded interface, thoughtfully designed progression path, and multiple difficulty levels, SET adapts to your skill level while keeping practice engaging. Whether you're a beginner or an experienced musician, SET is your guide to unlocking true musical fluency through intuitive, feeling-based ear training. No ads or forced payments. The free version contains full foundations for feeling-based ear training. Download the ear training app now!

About

THE FEEL BOOK

Practice jazz improvisation with recordings of world-class musicians. Hone your skills with a sophisticated rhythm section and access a growing library of transposable lead sheets. Experiment with advanced features like looping, transposition, and a 3-channel mixer to elevate your musical performance.

Highlights
  • Improvise with a professional rhythm section
  • Isolate and study bass lines
  • Sophisticated piano harmony
  • Transposable lead sheets
  • Advanced looping capabilities
  • Variable tempo control
  • 3-channel instrument mixer
Features
Read full description

There is no substitute for the energy and interplay of performing live with world-class jazz heavyweights. But what if everyone had the opportunity to practice along with these very same musicians? To hone their skills with true masters of the art form? THE FEEL BOOK accomplishes this by bringing the greatest musicians on the planet to you. Set aside your robotic recreations and subpar tracks and come play with the greats today! - Improvise over a (super)human rhythm section - Improve your feel and creativity along with a top tier drummer’s ride cymbal. - Play along with (or even isolate and study) a perfectly crafted bass line. - Work over a pianist’s sophisticated harmony based on historical research of the ideal chord changes for each tune. - Carry an expanding library of transposable lead sheets put together by the pros on your smartphone, tablet or laptop The Feel Book transports you to New York and allows you to play with the best from the modern jazz scene while integrating advanced technical features like never before. -Advanced Looping capabilities -Transposition to practice in multiple keys -3 channel mixer to experiment with levels or mute instruments (great for drummers and bassists!) -Variable tempo, to practice slower or test your limits -Global transposition of lead sheets for Bb and Eb instruments Members will have access to the full library (adding at least 10 new tracks each month in a constantly expanding list!) featuring a wide range of styles played by the modern elite (players that have backed everyone from Michael Brecker to Roy Hargrove to Astrid Gilberto!) Players like Willie Jones III, Glenn Zaleski, Danton Boller, Ari Hoenig, Dave Kikoski, Colin Stranahan, Victor Gould, Joe Dyson, Matt Brewer, Rick Rosato, Kiyoshi Kitagawa, Duduka Fonseca, Helio Alves, and Gili Lopes AND MORE to come each month! THE FEEL BOOK - elevating the groove and swing of today’s musician to a new level.

Screenshots

Sonofield Ear Trainer4 screens
THE FEEL BOOK4 screens

Verdict

The call

The clearest difference is rating: Sonofield Ear Trainer at 4.9 against THE FEEL BOOK's 4.4. Sonofield Ear Trainer also leads on review sentiment (89% vs 71%) and ratings volume (389 vs 55). On price, update cadence, ads and in-app purchases 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. Sonofield Ear Trainer sells 4 one-off in-app purchases and THE FEEL BOOK sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sonofield Ear Trainer holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Sonofield Ear Trainer has 389 ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 89% of Sonofield Ear Trainer's written reviews are positive against 71% of THE FEEL BOOK's.

UpkeepUpdate frequency

Sonofield Ear Trainer ships an update every 9 days, THE FEEL BOOK every 2 weeks. Both last shipped on October 25, 2026.

Scorecard4 real differences · 6 level
Sonofield Ear Trainer versus THE FEEL BOOK: the parameters behind the verdict, then further details
ParameterSonofield Ear TrainerTHE FEEL BOOK
PriceFreeFree
Rating4.9 (389 ratings) — better4.4 (55 ratings)
Positive reviews88.8% of reviews — better71.1% of reviews
Number of ratings389 — better55
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.6
Further details — not scored
Size105 MB73 MB
Age rating4+4+
DeveloperSonofield Ear Trainer Education Ltd.2XJ VENTURES LLC

Customer experience

Sonofield Ear Trainer

All ratings387 ratings
Positive97.4%
Neutral1.6%
Negative1.0%
Written reviews152 reviews
Positive88.8%
Neutral6.6%
Negative4.6%

THE FEEL BOOK

All ratings51 ratings
Positive84.3%
Neutral5.9%
Negative9.8%
Written reviews45 reviews
Positive71.1%
Neutral6.7%
Negative22.2%

Bugs and requests

Sonofield Ear Trainer

Reported bugs

1 issue
  • None reported

Requested features

5 requests
  • Option to switch between 12TET and just intonation
  • Ability to reduce octave range
  • Incorporate more timbre options for drone and notes
  • Tracking and visualization of progress and learned skills
  • Add interactive tutorial for level 1

THE FEEL BOOK

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Sonofield Ear Trainer

One-time4
  • Lifetime Pro$14.99
  • Lifetime Pro$17.99
  • Lifetime Pro2 variants$19.99
Show 1 more
  • Lifetime Pro$24.99
3 purchases

THE FEEL BOOK

Subscriptions3
  • Monthly subscription3 Days trial$6.991 Month
  • Quarterly Subscription7 Days trial$16.493 Months
  • Annual Subscription14 Days trial$47.901 Year

Questions

Is Sonofield Ear Trainer free?
Sonofield Ear Trainer is free to download, with in-app purchases available.
Is THE FEEL BOOK free?
THE FEEL BOOK is free to download, with in-app purchases available.
Which has better reviews, Sonofield Ear Trainer or THE FEEL BOOK?
Sonofield Ear Trainer is rated higher. Sonofield Ear Trainer averages 4.9 out of 5 from 389 ratings, while THE FEEL BOOK averages 4.4 from 55 ratings.
Do Sonofield Ear Trainer or THE FEEL BOOK have ads?
Neither Sonofield Ear Trainer nor THE FEEL BOOK shows ads.
Which is updated more often, Sonofield Ear Trainer or THE FEEL BOOK?
Sonofield Ear Trainer ships an update every 9 days, and THE FEEL BOOK every 2 weeks. Most recently, Sonofield Ear Trainer was updated on October 25, 2026 and THE FEEL BOOK on October 25, 2026.

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