# syoung智慧鎖 vs 手机打印机

The clearest difference is in-app purchases: syoung智慧鎖 at none against 手机打印机's 3. syoung智慧鎖 also leads on iOS requirement (11.4 vs 14.0). 手机打印机's advantage is update cadence (every 3 months vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. 手机打印机 sells 3 in-app purchases, starting at $1.99 per 7 days. syoung智慧鎖 asks for nothing beyond the download.

syoung智慧鎖 ships an update every 19 months, 手机打印机 every 3 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | syoung智慧鎖 | 手机打印机 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (20 ratings)](https://appshunter.io/ios/app/id6445879783/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 29.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 98 MB |
| Requires iOS | **11.4** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [syoung LTD](https://appshunter.io/developer/548920235) | [圣 朱](https://appshunter.io/developer/1480627655) |

## What reviewers say

### syoung智慧鎖

[App page](https://appshunter.io/ios/app/syoung/id1480793207)

**Features:** macOS Compatibility

**In-app purchases:** none


### 手机打印机

[App page](https://appshunter.io/ios/app/id6445879783)

Easily scan and print documents, photos, and ID cards from your phone. Features include automatic erasing for test papers, template printing, and support for various file formats and printer brands. Ideal for students and office workers.

**Highlights:** Document scanning and printing, ID card scanning and copying, Test paper scanning with auto-erase, Template printing for various uses, Support for multiple printer brands, Wide range of file format compatibility

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 手机打印机周会员 | $1.99 | per 7 days |
| 年会员 | $9.99 | per year |
| 手机打印机永久会员 | $12.99 | one-time |


## Frequently asked questions

### Is syoung智慧鎖 free?

syoung智慧鎖 is free to download, with no in-app purchases.

### Is 手机打印机 free?

手机打印机 is free to download, with in-app purchases available.

### Do syoung智慧鎖 or 手机打印机 have ads?

Neither syoung智慧鎖 nor 手机打印机 shows ads.

### Which is updated more often, syoung智慧鎖 or 手机打印机?

syoung智慧鎖 ships an update every 19 months, and 手机打印机 every 3 months. Most recently, syoung智慧鎖 was updated on September 9, 2026 and 手机打印机 on September 24, 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.*