# 汤阴行 vs LockBox

The clearest difference is in-app purchases: 汤阴行 at none against LockBox's 3. 汤阴行 also leads on iOS requirement (9.0 vs 15.0). LockBox's advantage is update cadence (every 6 days vs every 35 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. LockBox sells 3 one-off in-app purchases. 汤阴行 asks for nothing beyond the download.

汤阴行 ships an update every 35 months, LockBox every 6 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 汤阴行 | LockBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lockbox-encrypted-video-player/id6751835978/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 136 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Zhengzhou Tiamaes Technology Co., Ltd](https://appshunter.io/developer/1516763493) | [长松 孙](https://appshunter.io/developer/1626925849) |

## What reviewers say

### 汤阴行

[App page](https://appshunter.io/ios/app/id1186209585)

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

**In-app purchases:** none


### LockBox

[App page](https://appshunter.io/ios/app/lockbox-encrypted-video-player/id6751835978)

Securely encrypt and play videos, images, and PDFs with advanced protection. Manage licensing, distribution, and access for digital content creators and businesses. Offers robust security features and cross-platform compatibility.

**Highlights:** Video, image, and PDF encryption, Secure playback up to 8K, Real-time backend decryption, Flexible licensing management, Screen recording protection, Batch encryption and archiving, Cross-platform support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 coin | $1.99 | one-time |
| 10000 coin | $17.99 | one-time |
| 100000 coin | $149.99 | one-time |


## Frequently asked questions

### Is 汤阴行 free?

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

### Is LockBox free?

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

### Do 汤阴行 or LockBox have ads?

Neither 汤阴行 nor LockBox shows ads.

### Which is updated more often, 汤阴行 or LockBox?

汤阴行 ships an update every 35 months, and LockBox every 6 days. Most recently, 汤阴行 was updated on November 2, 2026 and LockBox on November 6, 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.*