# 央音海伦智能课堂 vs VB评估助手

The clearest difference is update cadence: VB评估助手 at every 2 weeks against 央音海伦智能课堂's every 2 months. VB评估助手 also leads on iOS requirement (9.0 vs 15.6). 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.

央音海伦智能课堂 ships an update every 2 months, VB评估助手 every 2 weeks. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 央音海伦智能课堂 | VB评估助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 2.5 GB | 535 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAILUN PIANO CO., LTD.](https://appshunter.io/developer/1104870330) | [Beijing Ingcare Technology Co.,Ltd.](https://appshunter.io/developer/1266130654) |

## What reviewers say

### 央音海伦智能课堂

[App page](https://appshunter.io/ios/app/id1467155773)

**Features:** macOS Compatibility

**In-app purchases:** none


### VB评估助手

[App page](https://appshunter.io/ios/app/vb/id1507292533)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 央音海伦智能课堂 free?

央音海伦智能课堂 is free to download, with no in-app purchases.

### Is VB评估助手 free?

VB评估助手 is free to download, with no in-app purchases.

### Do 央音海伦智能课堂 or VB评估助手 have ads?

Neither 央音海伦智能课堂 nor VB评估助手 shows ads.

### Which is updated more often, 央音海伦智能课堂 or VB评估助手?

央音海伦智能课堂 ships an update every 2 months, and VB评估助手 every 2 weeks. Most recently, 央音海伦智能课堂 was updated on September 29, 2026 and VB评估助手 on October 6, 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.*