Tuner B2
GuitarTuner & Ukulele Tuner
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Little Bear Tuner uses smart audio input to detect sound frequency in real time, analyse pitch accurately, and help you tune your instrument quickly and precisely.
It supports most string and wind instruments, including:
Guitar, Ukulele, Piano, Erhu, Yangqin, Guzheng, Pipa, Banhu, Lap Steel Guitar, Guqin, Zhongruan, Violin, Cello, Harp, Bass, Bamboo Flute, Kalimba, Mandolin, Morin Khuur, Jinghu, Banjo, Sitar and more.
Key Features
Automatic pitch detection
Octave display
Semitone tuning support
Real-time frequency (Hz) display
Guitar Tuning
Supports alternate tunings and semitone tuning.
Open the app and place your phone’s microphone close to the guitar, preferably near the sound hole.
Pluck the strings one by one. Standard tuning from 6th to 1st string is E A D G B E.
Adjust the string tension while watching the note name and octave. Most instruments are recognised automatically.
Bass Tuning
Supports alternate tunings.
Standard bass tuning from thickest to thinnest string is:
E1 A1 D2 G2
Turn the tuning pegs on the headstock to adjust pitch. Tighter strings produce higher notes.
Ukulele Tuning
Supports alternate tunings.
Standard tuning from 4th to 1st string:
G4 C4 E4 A4
(The number indicates the octave.)
Erhu Tuning
Supports 7 common Erhu tuning systems, as well as custom tunings.
C key: D4 A4
D key: C4 G4
G key: G3 D4
…and more.
Guqin Tuning
Fully supports all Guqin tuning modes, including chromatic and special tunings.
Guzheng Tuning
Supports various Guzheng tuning methods. Simply select Universal Instrument to tune.
If your instrument is not listed, choose Universal Instrument for accurate tuning.
Auto-Renewable Subscription
Little Bear Tuner Annual Membership (1 year)
Payment will be charged to your iTunes account upon confirmation.
The subscription renews automatically unless cancelled at least 24 hours before the end of the current period.
Your iTunes account will be charged within 24 hours prior to renewal.
You can manage or cancel your subscription in:
Settings → Apple ID → Subscriptions
Privacy Policy:
http://www.jita666.com/article-180445-1.html
Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fixed known bugs.
The developer, 守群 赵, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 守群 赵
- Size
- 5.7 MB
- Category
- Music
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
9+
- 9+
- In-App Purchases
Yes
- Lifetime membership $29.99
- Annual subscription $1.99
- Copyright
- © 2025 北京小熊科技有限公司