Tuner B2
守群 赵 Music iPhoneiPadiPod touch
Tuner B2 is a free Music app for iPhone and iPad by 守群 赵. Requires iOS 16.0. Updated May 15, 2026.
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 9+
- Updated
- May 15
- 2026 · v1.1.5
Screenshots
About Tuner B2
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/
What’s new
Version 1.1.5 · Updated May 15, 2026
Fixed known bugs.
App privacy
The developer, 守群 赵, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- User Content: Audio Data
Used for: App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Tuner B2 | – | Free | May 15, 2026 | |
| Radio FM AM・Local Stations | 5.0 / 5 (4) | Free | Feb 18, 2026 | Compare |
| Boomy: AI Music Generator | 5.0 / 5 (11) | Free | Sep 15, 2026 | Compare |
| Metronome-Tempo&Beat,Tap, BPM | 5.0 / 5 (1) | Free | Jan 13, 2026 | Compare |
| Bass Booster, Volume Equalizer | 4.5 / 5 (26) | Free | Oct 27, 2025 | Compare |
| AI Music · Song Generator | 4.3 / 5 (12) | Free | Sep 24, 2026 | Compare |
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