# 衡熵 vs BANG开始

The clearest difference is in-app purchases: BANG开始 at none against 衡熵's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 衡熵 sells 3 in-app purchases, starting at $0.99 per month. BANG开始 asks for nothing beyond the download.

衡熵 ships an update weekly, BANG开始 every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 衡熵 | BANG开始 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 15 MB | 7 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [玉庭 何](https://appshunter.io/developer/1867438392) | [倩 刘](https://appshunter.io/developer/1873473027) |

## What reviewers say

### 衡熵

[App page](https://appshunter.io/ios/app/id6761233174)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自律锁月度订阅 | $0.99 | per month |
| 自律锁年度订阅 | $3.99 | per year |
| 自律锁终身解锁 | $12.99 | one-time |


### BANG开始

[App page](https://appshunter.io/ios/app/bang/id6771382464)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 衡熵 free?

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

### Is BANG开始 free?

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

### Do 衡熵 or BANG开始 have ads?

Neither 衡熵 nor BANG开始 shows ads.

### Which is updated more often, 衡熵 or BANG开始?

衡熵 ships an update weekly, and BANG开始 every 5 days. Most recently, 衡熵 was updated on October 28, 2026 and BANG开始 on October 31, 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.*