# Lockbox：Private Control vs 海螺翻译官

The clearest difference is ads: Lockbox：Private Control at none against 海螺翻译官's shown. 海螺翻译官's advantage is update cadence (every 3 days vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Lockbox：Private Control sells 5 in-app purchases, starting at $4.99 per 7 days and 海螺翻译官 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Lockbox：Private Control ships an update every 6 weeks, 海螺翻译官 every 3 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Lockbox：Private Control | 海螺翻译官 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6747173252/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 132 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [祥慧 赵](https://appshunter.io/developer/1644813021) | [深圳晓视界科技有限公司](https://appshunter.io/developer/1820153693) |

## What reviewers say

### Lockbox：Private Control

[App page](https://appshunter.io/ios/app/lockboxprivate-control/id6737498872)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $6.99 | per month |
| 季度会员 | $9.99 | per 3 months |
| 年度会员 | $12.99 | per year |
| 终身会员 | $14.99 | one-time |


### 海螺翻译官

[App page](https://appshunter.io/ios/app/id6747173252)

This app offers real-time translation for voice, text, and video across over a hundred languages. It utilizes advanced speech recognition and transcription technologies to facilitate seamless global communication for travel, learning, and work.

**Highlights:** Real-time two-way voice translation, Text translation for over 100 languages, Video translation with subtitle generation, Voice recording to text conversion, High-accuracy speech recognition, Supports multiple languages and dialects

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| points 50 | $3.99 | one-time |
| points 50 | $6.99 | one-time |
| 100 points | $6.99 | one-time |
| points 108 | $14.99 | one-time |
| points 198 | $14.99 | one-time |
| points 298 | $19.99 | one-time |
| points 198 | $29.99 | one-time |
| points 398 | $29.99 | one-time |
| 298 points | $39.99 | one-time |
| points 398 | $59.99 | one-time |


## Frequently asked questions

### Is Lockbox：Private Control free?

Lockbox：Private Control is free to download, with in-app purchases available.

### Is 海螺翻译官 free?

海螺翻译官 is free to download, with in-app purchases available.

### Do Lockbox：Private Control or 海螺翻译官 have ads?

海螺翻译官 shows ads; Lockbox：Private Control does not.

### Which is updated more often, Lockbox：Private Control or 海螺翻译官?

Lockbox：Private Control ships an update every 6 weeks, and 海螺翻译官 every 3 days. Most recently, Lockbox：Private Control was updated on October 25, 2026 and 海螺翻译官 on October 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.*