BOSS Tuner
Not in any tracked top chart right now.
Updated 19 Oct 2026 · rankings refresh through the day
DeveloperRoland Corporation
CategoryMusic
PriceFree
Released
Rating★ 4.0 (18)
Version1.1.0
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Installs (est.)100k+ worldwide
Rating
4.0 ★
18 ratings
Measured
BOSS Tuner on the App Store
App details
App ID
1113473319
Publisher
Roland Corporation
On the store since
Jun 2016
10 years on the store
Minimum OS
iOS 8.0+
iPhone 4s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
8 MB
BOSS Tuner 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. iPhone 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
4.0 ★
18 ratings
Measured
Ratings
18
Measured
About BOSS Tuner
The BOSS Tuner app brings BOSS’s trusted and world-renowned chromatic tuning technology to iOS mobile devices. Available as a free download, the convenient app features the familiar look and intuitive display style of the best-selling TU-3 / TU-3W pedal tuner. Using the mic in your iOS device, you can tune a guitar, bass, and other instruments like violin, cello, brass, etc.
Features
- Provides hands-free chromatic tuning for a variety of instruments
- Audible reference pitch function for tuning by ear
- Supports horizontal screen to enlarge meter view
- Tuning range: A#0 (29.14 Hz)--G8 (6,271.93 Hz)
- Tuning accuracy: +/- 1 cent
- Newsfeed for the latest BOSS info
Find more BOSS tuner products at:
http://www.boss.info/categories/tuners_metronomes/
Features
- Provides hands-free chromatic tuning for a variety of instruments
- Audible reference pitch function for tuning by ear
- Supports horizontal screen to enlarge meter view
- Tuning range: A#0 (29.14 Hz)--G8 (6,271.93 Hz)
- Tuning accuracy: +/- 1 cent
- Newsfeed for the latest BOSS info
Find more BOSS tuner products at:
http://www.boss.info/categories/tuners_metronomes/
Latest updates
1.1.0
- It corresponds to the latest OS (iOS 11).
- Improved sensitivity adjustment.
- Added skin of TU-3W. You can also select existing skin (TU-3).
- Added the function to switch the status of Auto-Lock on the main screen.
- Added push notification function.
