BOSS Tuner App
6.3#19 in musical tuner appsFree planFree planAndroidiOS
VisitBOSS Tuner App vs Centerline
Centerline
7.0#3 in musical tuner apps$3.99 one-timeFree planAndroidiOSmacOS
VisitWhat both publish
| Fact | BOSS Tuner App | Centerline |
|---|---|---|
| Headquarters | 1-6-4 Shinmiyakoda, Hamana-ku, Hamamatsu, Shizuoka 431-2103, Japan | Sacramento, California, United States |
| Purpose | The app uses a mobile device’s microphone to tune guitars, basses, and other instruments, and to check pitch accuracy while singing. | Centerline is a chromatic tuner that shows the note played, whether it is flat or sharp, and where the pitch settles. |
| Support | The maker directs users to its Knowledge Base, Owner’s Manuals, Support Documents, and BACKSTAGE product support. | Questions or feedback can be sent to [email protected]. |
BOSS Tuner App plans
- FreeFree
Centerline plans
- ChromaticFree
- Centerline Complete$3.99, paid once
Pick BOSS Tuner App if…
The app suits musicians who want a free mobile tuner for guitars, basses, other instruments, or checking pitch while singing. It requires microphone access to detect and display pitch.
Pick Centerline if…
Centerline suits musicians who want an offline tuner with chromatic and guitar modes, multiple display views, and on-device pitch analysis.