# Lock App vs Sasa AI

The clearest difference is in-app purchases: Sasa AI at none against Lock App's 2. On price, update cadence, ads 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. Sasa AI asks for nothing beyond the download.

Lock App ships an update weekly, Sasa AI fortnightly. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Lock App | Sasa AI |
| --- | --- | --- |
| 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** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 53 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [紫荣 雷](https://appshunter.io/developer/1586967648) | [Cherrystars Ltd](https://appshunter.io/developer/1849417929) |

## 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 |


### Sasa AI

[App page](https://appshunter.io/ios/app/sasa-ai/id6754641976)

**Features:** macOS Compatibility, Apple Wallet, 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 Sasa AI free?

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

### Do Lock App or Sasa AI have ads?

Neither Lock App nor Sasa AI shows ads.

### Which is updated more often, Lock App or Sasa AI?

Lock App ships an update weekly, and Sasa AI fortnightly. Most recently, Lock App was updated on October 8, 2026 and Sasa AI on September 27, 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.*