# showdoc vs 海胆相册

The clearest difference is in-app purchases: showdoc at none against 海胆相册's 2. showdoc also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). 海胆相册's advantage is update cadence (weekly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. 海胆相册 sells 2 one-off in-app purchases. showdoc asks for nothing beyond the download.

showdoc ships an update every 5 months, 海胆相册 weekly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | showdoc | 海胆相册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 41 MB | 93 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健雄 吴](https://appshunter.io/developer/1461728159) | [Fujian Pipa Technology Co., Ltd.](https://appshunter.io/developer/1715219479) |

## What reviewers say

### showdoc

[App page](https://appshunter.io/ios/app/showdoc/id1485879683)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海胆相册

[App page](https://appshunter.io/ios/app/id6753928673)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年会员 | $24.99 | one-time |
| 年度会员 | $39.99 | one-time |


## Frequently asked questions

### Is showdoc free?

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

### Is 海胆相册 free?

海胆相册 is free to download, with in-app purchases available.

### Do showdoc or 海胆相册 have ads?

海胆相册 shows ads; showdoc does not.

### Which is updated more often, showdoc or 海胆相册?

showdoc ships an update every 5 months, and 海胆相册 weekly. Most recently, showdoc was updated on September 9, 2026 and 海胆相册 on September 8, 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.*