# 哎哟掌镜 vs 证件照研习社

The clearest difference is in-app purchases: 哎哟掌镜 at none against 证件照研习社's 6. 哎哟掌镜 also leads on iOS requirement (8.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 证件照研习社 sells 6 in-app purchases, starting at $3.99 per month. 哎哟掌镜 asks for nothing beyond the download.

## The numbers

| Metric | 哎哟掌镜 | 证件照研习社 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 11 MB | 28 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小丽 黄](https://appshunter.io/developer/1053385224) | [Shanghai Lanshan Office Software Co., Ltd](https://appshunter.io/developer/1550252973) |

## What reviewers say

### 哎哟掌镜

[App page](https://appshunter.io/ios/app/ps/id1110578755)

**Features:** macOS Compatibility

**In-app purchases:** none


### 证件照研习社

[App page](https://appshunter.io/ios/app/and/id1614424733)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 证件照研习社-月度订阅 | $3.99 | per month |
| 月度订阅 | $3.99 | per month |
| 证件照研习社-年度订阅 | $24.49 | per year |
| 年度订阅 | $24.49 | per year |
| 普清电子照片下载 | $0.99 | one-time |
| 普清证件照下载 | $0.99 | one-time |


## Frequently asked questions

### Is 哎哟掌镜 free?

哎哟掌镜 is free to download, with no in-app purchases.

### Is 证件照研习社 free?

证件照研习社 is free to download, with in-app purchases available.

### Do 哎哟掌镜 or 证件照研习社 have ads?

Neither 哎哟掌镜 nor 证件照研习社 shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*