# Data Shark AR vs Lock App

The clearest difference is rating: Lock App at 5.0 against Data Shark AR's 1.0. Lock App also leads on update cadence (weekly vs every 3 weeks). Data Shark AR's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Lock App sells 2 in-app purchases, starting at $4.99 per 7 days. Data Shark AR asks for nothing beyond the download.

Lock App holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Data Shark AR ships an update every 3 weeks, Lock App weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Data Shark AR | Lock App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/data-shark-ar/id1275116058/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lock-app-encryption-lock/id6476755062/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 22 MB |
| Requires iOS | **10.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Midnight Illusions Ltd.](https://appshunter.io/developer/526192283) | [紫荣 雷](https://appshunter.io/developer/1586967648) |

## What reviewers say

### Data Shark AR

[App page](https://appshunter.io/ios/app/data-shark-ar/id1275116058)

Visualize real-time ocean data, including ship trackers, port locations, and weather stations, in an augmented reality environment. Explore data in flat map or list modes, and search for specific ships or locations.

**Highlights:** Augmented Reality data visualization, Real-time ship tracking, Global port locations, US weather station data, Flat map and list modes, Search by MMSI or Lat/Long

**Features:** macOS Compatibility

**In-app purchases:** none


### Lock App

[App page](https://appshunter.io/ios/app/lock-app-encryption-lock/id6476755062)

This app safeguards your privacy by encrypting applications, photos, and videos. It also offers parental controls to manage screen time and restrict app installations, ensuring a safer digital environment for children. Enhanced security features include password and facial recognition protection.

**Highlights:** Encrypt applications, games, photos, videos, and contacts, Restrict access to sensitive content, Control screen time and app installations, Digital password and face recognition security, Prevent deletion of important applications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周VIP会员 | $4.99 | per 7 days |
| Month VIP member | $19.99 | per month |


## Frequently asked questions

### Is Data Shark AR free?

Data Shark AR is free to download, with no in-app purchases.

### Is Lock App free?

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

### Which has better reviews, Data Shark AR or Lock App?

Lock App is rated higher. Data Shark AR averages 1.0 out of 5 from 3 ratings, while Lock App averages 5.0 from 1 ratings.

### Do Data Shark AR or Lock App have ads?

Neither Data Shark AR nor Lock App shows ads.

### Which is updated more often, Data Shark AR or Lock App?

Data Shark AR ships an update every 3 weeks, and Lock App weekly. Most recently, Data Shark AR was updated on October 10, 2026 and Lock App on October 8, 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.*