# 央音考级 vs BNS One

The clearest difference is update cadence: BNS One at every 10 days against 央音考级's every 2 months. 央音考级's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

央音考级 ships an update every 2 months, BNS One every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 央音考级 | BNS One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (19 ratings)](https://appshunter.io/ios/app/id1557110152/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 59 MB | 9 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Central Conservatory Of Music](https://appshunter.io/developer/1188528157) | [飞 陈](https://appshunter.io/developer/6787222132) |

## What reviewers say

### 央音考级

[App page](https://appshunter.io/ios/app/id1557110152)

**In-app purchases:** none


### BNS One

[App page](https://appshunter.io/ios/app/bns-one/id6808971221)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 央音考级 free?

央音考级 is free to download, with no in-app purchases.

### Is BNS One free?

BNS One is free to download, with no in-app purchases.

### Do 央音考级 or BNS One have ads?

Neither 央音考级 nor BNS One shows ads.

### Which is updated more often, 央音考级 or BNS One?

央音考级 ships an update every 2 months, and BNS One every 10 days. Most recently, 央音考级 was updated on October 24, 2026 and BNS One on October 25, 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.*