Realbook Master Downloads & RevenueRealbook Master · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperSanghyun Park
CategoryMusic
Price9.99 EUR
Released
Rating★ 0.0 (0)
Version1.2.1
Age rating4+
First seen by us
24 Sep 2026
Installs (est.)1k+ worldwide
📈Dropped out of every chart we track📈Entered the top 100🆕First spotted by AppInsider📦Version 1.2.1🆕Its developer released another app: Score Master: Music PDF Reader
Full timeline · 9 events
- 📈Realbook Master dropped out of every chart we trackLast seen 22 Oct
- 📈Realbook Master entered the top 100Top Paid · Music · DE
- 📈Realbook Master charting in a new countryGermany
- 📈Realbook Master entered the top 100Top Paid · Music · FR
- 📈Realbook Master charting in a new countryFrance
- 🆕Realbook Master first spotted by AppInsider#10 in Top Paid · Music · Italy
- 📦Realbook Master version 1.2.1No release notes
- 🆕Realbook Master: its developer released another app: Score Master: Music PDF Reader
- 🆕Realbook Master released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
0.0 ★
0 ratings
Measured
Realbook Master on the App Store
App details
App ID
6754005659
Publisher
Sanghyun Park
On the store since
Dec 2025
Under a year
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
35 MB
Realbook Master downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Realbook Master
The sheet music app that understands real live musicians.
Swipe up or down to change keys on the fly - because the show MUST GO ON!
Built for any musicians who perform live.
Whether you're on stage, in rehearsal, or playing at church, Realbook Master gives you the instant freedom.
Features :
1) Transpose chords and melodies to all 12 keys by swiping the sheet music or using +/- buttons in the top toolbar
2) Download sheet music from the forum
3) Lyrics On/Off
4) Select transposing instruments (bass clef support)
5) Create and share setlists
6) Export transposed sheet music as PDF
7) MusicXML file support
8) Supports various themes, music fonts, and background modes
Perfect for:
- Jazz musicians who need quick key changes
- Wind players tired of transposing manually
- Church musicians managing large song libraries
- Bassists who need proper clef and range
- Any performer who values speed and flexibility on stage
Swipe up or down to change keys on the fly - because the show MUST GO ON!
Built for any musicians who perform live.
Whether you're on stage, in rehearsal, or playing at church, Realbook Master gives you the instant freedom.
Features :
1) Transpose chords and melodies to all 12 keys by swiping the sheet music or using +/- buttons in the top toolbar
2) Download sheet music from the forum
3) Lyrics On/Off
4) Select transposing instruments (bass clef support)
5) Create and share setlists
6) Export transposed sheet music as PDF
7) MusicXML file support
8) Supports various themes, music fonts, and background modes
Perfect for:
- Jazz musicians who need quick key changes
- Wind players tired of transposing manually
- Church musicians managing large song libraries
- Bassists who need proper clef and range
- Any performer who values speed and flexibility on stage
Latest updates
1.2.1