# Lock App vs ReplyRight

The clearest difference is update cadence: ReplyRight at every 4 days against Lock App's weekly. On price, ads, in-app purchases 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 and ReplyRight sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Lock App ships an update weekly, ReplyRight every 4 days. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Lock App | ReplyRight |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [紫荣 雷](https://appshunter.io/developer/1586967648) | [Warren Peters](https://appshunter.io/developer/1591974619) |

## 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 |


### ReplyRight

[App page](https://appshunter.io/ios/app/replyright-ai-message-writer/id6760967167)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReplyRight Premium Monthly | $2.99 | per month |
| ReplyRight Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is Lock App free?

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

### Is ReplyRight free?

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

### Do Lock App or ReplyRight have ads?

Neither Lock App nor ReplyRight shows ads.

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

Lock App ships an update weekly, and ReplyRight every 4 days. Most recently, Lock App was updated on September 21, 2026 and ReplyRight on September 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.*