Comparison

Flute by Ear vs GradeKey

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

Head to head
About

Flute by Ear

Master the flute by ear in weeks, not years, with a unique learning method. This powerful tool helps you understand scales, notes, and chords, enabling you to play any melody by ear. Practice with your phone or a real flute, and enhance your musical comprehension.

Highlights
  • Learn flute by ear in days/weeks
  • Master 12 scales and notes
  • Deep understanding of chords
  • Practice with smartphone or real flute
  • Enhances music reading and memory
  • Suitable for beginners and experienced musicians
Features
Read full description

Learn to express yourself with this beautiful instrument in DAYS and WEEKS instead of years, all the 12 scales and notes in-between. With our unique learning method you will accomplish the level of understanding which is unattainable in years of traditional learning! This is a very powerful ear training and learning tool for musicians who want a shortcut to fluency on the flute. With this tool you will be able to play the instrument it is meant to be played by ear, any melody or solo, you will gain a very deep understanding of chords and the notes they consist of and are surrounded by, they tell you all about this in lessons, but you never actually get to ingrain it. Yet this is the most important skill there is for mastering the flute and play any music by ear. The app allows you to practice with just the smartphone or with your real flute, all types. Also serves as a handy flute notes chart. This exercise might look a little bit tedious, but trust us, you will see very powerful results in your music within days of using the app. You could call it hacking the flute. Even if you are a complete beginner, you will learn to play your favourite tunes on the flute in days with Flute by Ear, something that other musicians struggle for MONTHS and YEARS for and still not everyone gets there. You will. During the first month. How much money would you pay to obtain such a skill? Consider this your lucky day, because you are on your way for real musicianship whether it is your hobby or you want to pursue career in music, this app sets you up for the best results. Even if you prefer to play looking at the notes, this app will greatly enhance your ability to see music, hear the written music in your mind, understand music more easily and even remember music much more easily. Standart terms and conditions apply: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GradeKey

Features
Read full description

GradeKey turns any assignment's point value into a complete grade conversion table — instantly. Stop doing mental math at the grading table. Enter the total points once, and GradeKey generates every possible score, percentage, and letter grade in a single scrollable table. Built by a teacher, for teachers. INSTANT GRADE TABLES Type in the total points and GradeKey does the rest. Every row shows points off, points earned, the exact percentage, and the letter grade — color-coded so an A is green and an F is red at a glance. Choose your step size to match how you actually grade: • Whole points — fast for quizzes • Half points — the classroom standard • Quarter points — for detailed rubrics FIND ANY SCORE IN SECONDS Three ways to look up a grade, and GradeKey jumps straight to the matching row and highlights it: • Points Off — “they lost 4 points, what's that?” • Points Earned — “36 out of 40 is what percent?” • Grade % — “what do they need for an 85?” No scrolling, no scanning. Type a number, land on the answer. GRADING SCALES THAT MATCH YOUR SCHOOL Eight built-in presets, and GradeKey suggests the right one based on your region: • US Standard (90/80/70/60) • US Plus / Minus (A+, A, A-, B+ …) • US Strict (93/83/73/63) • Pass / Fail • Canada • UK / Europe • Australia • Latin America Or build your own. Rename any tier, add or delete tiers, set any percentage cutoff, and choose exactly where the passing line falls. Hide scales you do not use and arrange the picker in your preferred order. EXTRA CREDIT, HANDLED Add bonus points and GradeKey extends the table above 100%, marking those rows “EC” in purple. SAVE EVERY ASSESSMENT Store all your quizzes, exams, labs, and projects. Search them by name, drag to reorder, duplicate a setup, and group related work into folders. GRADEKEY PRO — ONE PURCHASE, FOREVER The free version saves one assessment with full access to the table, lookup, and every grading scale. Upgrade once to unlock: • Unlimited saved assessments • Export to PDF or CSV • Folders for classes, periods, or terms • Configurable Home Screen widgets for assessments and folders • Every future feature One-time purchase. No subscription. No account. No ads. DESIGNED FOR TEACHERS • iCloud sync is free for everyone • Works on iPhone and iPad • Full dark mode • No sign-up, no login, no tracking • Your data stays on your device and in your private iCloud Grading is hard enough. The math shouldn't be.

Screenshots

Flute by Ear3 screens
GradeKey4 screens

Verdict

The call

The clearest difference is update cadence: GradeKey at monthly against Flute by Ear's every 2 months. Flute by Ear's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases 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. Flute by Ear sells 4 in-app purchases, starting at $5.99 per 7 days and GradeKey sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flute by Ear ships an update every 2 months, GradeKey monthly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
Flute by Ear versus GradeKey: the parameters behind the verdict, then further details
ParameterFlute by EarGradeKey
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size87 MB7 MB
Age rating4+4+
DeveloperOleg SokolovHernan Rosario

In-app purchases

4 purchases

Flute by Ear

Subscriptions3
  • Flute by Ear Weekly$5.997 Days
  • Flute by Ear Monthly$12.991 Month
  • Flute by Ear Yearly$59.991 Year
One-time1
  • Flute by Ear Lifetime$59.99
1 purchases

GradeKey

One-time1
  • GradeKey Pro$7.99

Questions

Is Flute by Ear free?
Flute by Ear is free to download, with in-app purchases available.
Is GradeKey free?
GradeKey is free to download, with in-app purchases available.
Do Flute by Ear or GradeKey have ads?
Neither Flute by Ear nor GradeKey shows ads.
Which is updated more often, Flute by Ear or GradeKey?
Flute by Ear ships an update every 2 months, and GradeKey monthly. Most recently, Flute by Ear was updated on October 12, 2026 and GradeKey on October 11, 2026.

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