# BACH vs 锤爆压力

The clearest difference is in-app purchases: BACH at none against 锤爆压力's 3. BACH also leads on iOS requirement (12.0 vs 15.6). 锤爆压力's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. 锤爆压力 sells 3 one-off in-app purchases. BACH asks for nothing beyond the download.

BACH ships an update every 2 months, 锤爆压力 every 6 weeks. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | BACH | 锤爆压力 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 7 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [惠州市西顿工业发展有限公司](https://appshunter.io/developer/1449694664) | [杨柳 孙](https://appshunter.io/developer/1878331190) |

## What reviewers say

### BACH

[App page](https://appshunter.io/ios/app/bach/id6711335138)

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

**In-app purchases:** none


### 锤爆压力

[App page](https://appshunter.io/ios/app/id6761704125)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小赏一下 - 发芽啦 | $0.99 | one-time |
| 中赏一波 - 要发啦 | $0.99 | one-time |
| 大赏一记 - 发大财了 | $12.99 | one-time |


## Frequently asked questions

### Is BACH free?

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

### Is 锤爆压力 free?

锤爆压力 is free to download, with in-app purchases available.

### Do BACH or 锤爆压力 have ads?

Neither BACH nor 锤爆压力 shows ads.

### Which is updated more often, BACH or 锤爆压力?

BACH ships an update every 2 months, and 锤爆压力 every 6 weeks. Most recently, BACH was updated on November 4, 2026 and 锤爆压力 on November 9, 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.*