# 数钢管 vs 玉美证件照

The clearest difference is price: 数钢管 at Free against 玉美证件照's $99.99. 数钢管 also leads on update cadence (monthly vs every 2 months). 玉美证件照's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

数钢管 is free to download; 玉美证件照 costs $99.99 up front. 数钢管 sells 10 in-app purchases, starting at $1.99 per month and 玉美证件照 sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

数钢管 ships an update monthly, 玉美证件照 every 2 months. The most recent releases landed on November 3, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 数钢管 | 玉美证件照 |
| --- | --- | --- |
| Price | **Free** | $99.99 |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/id1524425268/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 181 MB | 26 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [闪兔(北京)科技有限公司](https://appshunter.io/developer/1684864385) | [新玉 张](https://appshunter.io/developer/1657094993) |

## What reviewers say

### 数钢管

[App page](https://appshunter.io/ios/app/id1524425268)

This app uses AI-powered camera scanning to quickly and accurately count thousands of items from a single photo. It's designed for various industries like construction and retail, as well as everyday life, saving users significant time and effort.

**Highlights:** AI-powered photo scanning for object counting, Supports counting of construction materials, industrial parts, and daily items, Fast and accurate identification with AI algorithms, Saves up to 90% of counting time, Historical record of counting results, Customizable result display and export options

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $1.99 | per month |
| 数钢管VIP-包月会员 | $3.99 | per month |
| 赠送好友VIP-1个月 | $1.99 | one-time |
| 赠送好友-1 个月 | $3.99 | one-time |
| 赠送好友VIP-1年 | $9.99 | one-time |
| 至尊会员（1年） | $9.99 | one-time |
| 永久会员 | $14.99 | one-time |
| 赠送好友vip-永久 | $14.99 | one-time |
| 赠送好友VIP-3个月 | $29.00 | one-time |
| 团队永久会员-6人 | $79.99 | one-time |


### 玉美证件照

[App page](https://appshunter.io/ios/app/id6444862487)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一次购买 | $0.99 | one-time |
| 五次购买 | $4.99 | one-time |
| 十一次购买 | $9.99 | one-time |
| 二十八此购买 | $24.99 | one-time |
| 五十八此购买 | $49.99 | one-time |
| 一百二十次购买 | $99.99 | one-time |
| 二百五十次购买 | $199.99 | one-time |
| 五百二十次购买 | $399.99 | one-time |
| 七百次购买 | $499.99 | one-time |


## Frequently asked questions

### Is 数钢管 free?

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

### Is 玉美证件照 free?

玉美证件照 costs $99.99, and also offers in-app purchases.

### Do 数钢管 or 玉美证件照 have ads?

数钢管 shows ads; 玉美证件照 does not.

### Which is updated more often, 数钢管 or 玉美证件照?

数钢管 ships an update monthly, and 玉美证件照 every 2 months. Most recently, 数钢管 was updated on November 3, 2026 and 玉美证件照 on October 23, 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.*