# Lock App vs Authtify

The clearest difference is in-app purchases: Authtify at none against Lock App's 2. Authtify also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). Lock App's advantage is update cadence (weekly vs every 3 weeks). 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. Authtify asks for nothing beyond the download.

Lock App ships an update weekly, Authtify every 3 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Lock App | Authtify |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 38 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [紫荣 雷](https://appshunter.io/developer/1586967648) | [Byteflux](https://appshunter.io/developer/1748538053) |

## 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 |


### Authtify

[App page](https://appshunter.io/ios/app/authtify/id6503684459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock App free?

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

### Is Authtify free?

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

### Do Lock App or Authtify have ads?

Neither Lock App nor Authtify shows ads.

### Which is updated more often, Lock App or Authtify?

Lock App ships an update weekly, and Authtify every 3 weeks. Most recently, Lock App was updated on September 21, 2026 and Authtify on September 13, 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.*