# 弦趣二胡调音器 vs Tuner B2

The clearest difference is update cadence: Tuner B2 at every 2 weeks against 弦趣二胡调音器's every 11 months. 弦趣二胡调音器's advantage is device support (3 vs 1) and iOS requirement (14.4 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 弦趣二胡调音器 sells 1 one-off in-app purchase and Tuner B2 sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

弦趣二胡调音器 ships an update every 11 months, Tuner B2 every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 弦趣二胡调音器 | Tuner B2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 4 MB | 5 MB |
| Requires iOS | **14.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [文博 王](https://appshunter.io/developer/1577049382) | [守群 赵](https://appshunter.io/developer/963658407) |

## What reviewers say

### 弦趣二胡调音器

[App page](https://appshunter.io/ios/app/id1608411204)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版 | $3.99 | one-time |


### Tuner B2

[App page](https://appshunter.io/ios/app/tuner-b2/id6755300645)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual subscription | $1.99 | per year |
| Lifetime membership | $29.99 | one-time |


## Frequently asked questions

### Is 弦趣二胡调音器 free?

弦趣二胡调音器 is free to download, with in-app purchases available.

### Is Tuner B2 free?

Tuner B2 is free to download, with in-app purchases available.

### Do 弦趣二胡调音器 or Tuner B2 have ads?

Neither 弦趣二胡调音器 nor Tuner B2 shows ads.

### Which is updated more often, 弦趣二胡调音器 or Tuner B2?

弦趣二胡调音器 ships an update every 11 months, and Tuner B2 every 2 weeks. Most recently, 弦趣二胡调音器 was updated on November 3, 2026 and Tuner B2 on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*