# Lock App vs TTLok Pro

The clearest difference is in-app purchases: TTLok Pro at none against Lock App's 2. TTLok Pro also leads on iOS requirement (13.0 vs 16.0). Lock App's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price and device support there is nothing between them.

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

Lock App ships an update weekly, TTLok Pro monthly. Both last shipped on September 21, 2026.

## The numbers

| Metric | Lock App | TTLok Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lock-app-encryption-lock/id6476755062/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 86 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [紫荣 雷](https://appshunter.io/developer/1586967648) | [深圳市斯凯科技有限公司](https://appshunter.io/developer/1735116041) |

## What reviewers say

### 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 |


### TTLok Pro

[App page](https://appshunter.io/ios/app/ttlok-pro/id6479194137)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock App free?

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

### Is TTLok Pro free?

TTLok Pro is free to download, with no in-app purchases.

### Do Lock App or TTLok Pro have ads?

TTLok Pro shows ads; Lock App does not.

### Which is updated more often, Lock App or TTLok Pro?

Lock App ships an update weekly, and TTLok Pro monthly. Most recently, Lock App was updated on September 21, 2026 and TTLok Pro on September 21, 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.*