# Flute by Ear vs GradeKey

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.

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.

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.

## The numbers

| Metric | Flute by Ear | GradeKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/flute-by-ear/id6443970296/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [Hernan Rosario](https://appshunter.io/developer/6791755727) |

## What reviewers say

### Flute by Ear

[App page](https://appshunter.io/ios/app/flute-by-ear/id6443970296)

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:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flute by Ear Weekly | $5.99 | per 7 days |
| Flute by Ear Monthly | $12.99 | per month |
| Flute by Ear Yearly | $59.99 | per year |
| Flute by Ear Lifetime | $59.99 | one-time |


### GradeKey

[App page](https://appshunter.io/ios/app/gradekey-grade-calculator/id6794347301)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GradeKey Pro | $7.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*