Comparison

Tuner B2 vs 弦外古琴工具箱

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tuner B2

This app precisely tunes a wide variety of string and wind instruments using real-time audio analysis. It offers automatic pitch detection, octave display, and support for alternate tunings, making it a versatile tool for musicians.

Highlights
  • Automatic pitch detection
  • Real-time frequency display
  • Support for numerous instruments
  • Alternate tuning options
  • Semitone tuning
  • Octave display
Features
Read full description

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/

About

弦外古琴工具箱

Features
Read full description

弦外,一只古琴调音器。现在多了一只节拍器和减字谱词典。 调音器:拨动任意一根弦,它听得出是哪一根,告诉你差多少、该往哪边拧。松了说「松琴轸」,紧了说「紧琴轸」。弦法有十种预 设,也能逐弦自定,基准音可调。音准了,句读圆点落下。 节拍器:慢练四十起,板、梆、铎三声。几拍一节、以几分音符为一拍、哪拍该重、一拍要不要再拆,都由你。上次怎么用的,重开 还在。 全部本机完成,不联网,无账号,不收数据。

Screenshots

Tuner B24 screens
弦外古琴工具箱4 screens

Verdict

The call

The clearest difference is in-app purchases: 弦外古琴工具箱 at none against Tuner B2's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tuner B2 sells 2 in-app purchases, starting at $1.99 per year. 弦外古琴工具箱 asks for nothing beyond the download.

UpkeepUpdate frequency

Tuner B2 ships an update every 2 weeks, 弦外古琴工具箱 every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 7 level
Tuner B2 versus 弦外古琴工具箱: the parameters behind the verdict, then further details
ParameterTuner B2弦外古琴工具箱
PriceFreeFree
Positive reviews85.7% of reviews—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size5 MB63 MB
Age rating9+4+
Developer守群 赵Chongqing Potential Space Technology Co., Ltd.

In-app purchases

2 purchases

Tuner B2

Subscriptions1
  • Annual subscription$1.991 Year
One-time1
  • Lifetime membership$29.99
None

弦外古琴工具箱

No in-app purchases

Questions

Is Tuner B2 free?
Tuner B2 is free to download, with in-app purchases available.
Is 弦外古琴工具箱 free?
弦外古琴工具箱 is free to download, with no in-app purchases.
Do Tuner B2 or 弦外古琴工具箱 have ads?
Neither Tuner B2 nor 弦外古琴工具箱 shows ads.
Which is updated more often, Tuner B2 or 弦外古琴工具箱?
Tuner B2 ships an update every 2 weeks, and 弦外古琴工具箱 every 9 days. Most recently, Tuner B2 was updated on October 25, 2026 and 弦外古琴工具箱 on October 24, 2026.

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