# RealTunes vs OnKey

The clearest difference is in-app purchases: OnKey at none against RealTunes's 33. OnKey also leads on iOS requirement (14.1 vs 18.0). RealTunes's advantage is review sentiment (16% vs 0%). On price, update cadence, ads and monetization model there is nothing between them.

RealTunes costs $4.99 and OnKey $4.99 up front. RealTunes sells 33 one-off in-app purchases. OnKey asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RealTunes | OnKey |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/onkey-scale-practice/id1638204692/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **15.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 46 MB | 2 MB |
| Requires iOS | 18.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Byrne](https://appshunter.io/developer/578146626) | [Rea Meir](https://appshunter.io/developer/1638204694) |

## What reviewers say

### RealTunes

[App page](https://appshunter.io/ios/app/realtunes/id578146623)

Create a virtual fake book to view and listen to your music library. Organize sheet music, edit tune information, and import PDFs from cloud storage. Seamlessly integrates with Apple Music for browsing and listening.

**Highlights:** Virtual fake book creation, Import and organize PDF sheet music, Cloud storage integration, Apple Music catalog browsing, Tune list organization, Thumbnail scrolling for multi-page PDFs, AirTurn pedal support

**Features:** Family Sharing

**In-app purchases (33)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Real Book CD Volume 2 | Free | one-time |
| The Real Book CD Volume 1 | Free | one-time |
| The Real Book CD Volume 3 | Free | one-time |
| The Real Book Volume 1 | Free | one-time |
| The Real Book Volume 3 | Free | one-time |
| The Real Book Volume 2 | Free | one-time |
| The Horace Silver Songbook | $0.99 | one-time |
| The Carla Bley Songbook | $0.99 | one-time |
| The Tom Harrell Songbook | $0.99 | one-time |
| The Wayne Wallace Songbook | $0.99 | one-time |
| The Oscar Hernandez Songbook | $0.99 | one-time |
| The Steve Swallow Songbook | $0.99 | one-time |
| The Kenny Barron Songbook | $0.99 | one-time |
| The Kenny Werner Songbook | $0.99 | one-time |
| The Ralph Towner Songbook | $0.99 | one-time |
| The Bud Powell Real Book | $0.99 | one-time |
| The Real Christmas Book | $1.99 | one-time |
| New Real Book Digital Edition | $1.99 | one-time |
| Arrangements of Public Songs | $1.99 | one-time |
| Public Domain Song Anthology | $1.99 | one-time |
| The Real Country Book | $1.99 | one-time |
| The Real Bluegrass Book | $1.99 | one-time |
| The Real Dixieland Book | $1.99 | one-time |
| The Miles Davis Real Book | $1.99 | one-time |
| The Duke Ellington Real Book | $1.99 | one-time |
| The Trane Book | $1.99 | one-time |
| The Real Rock Book – Volume I | $1.99 | one-time |
| The Beatles Real Book | $1.99 | one-time |
| The Real Blues Book | $1.99 | one-time |
| The Real Broadway Book | $1.99 | one-time |
| The Real Book Enhanced Chords | $1.99 | one-time |
| The Real Book Volume 6 | $2.99 | one-time |
| The Real Latin Book | $2.99 | one-time |


### OnKey

[App page](https://appshunter.io/ios/app/onkey-scale-practice/id1638204692)

This app generates readable, note-based exercises for practicing scales and chords. It's ideal for musicians of all levels looking for a focused and efficient way to improve their technique and theory knowledge without manual preparation.

**Highlights:** Generate note-based exercises, Select scale or chord type, Transpose to any key, Set range and clef, Choose from various patterns, Add note names and time signatures

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RealTunes free?

RealTunes costs $4.99, and also offers in-app purchases.

### Is OnKey free?

OnKey costs $4.99, with no in-app purchases.

### Do RealTunes or OnKey have ads?

Neither RealTunes nor OnKey shows ads.

### Which is updated more often, RealTunes or OnKey?

RealTunes ships an update every 2 months, and OnKey every 2 months. Most recently, RealTunes was updated on October 7, 2026 and OnKey on October 9, 2026.

---

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