# App Lock vs Quantum Technology Toolbox

The clearest difference is in-app purchases: Quantum Technology Toolbox at none against App Lock's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. App Lock sells 3 in-app purchases, starting at $3.99 per month. Quantum Technology Toolbox asks for nothing beyond the download.

## The numbers

| Metric | App Lock | Quantum Technology Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/app-lock-secure-folder/id6456267824/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 1 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chetna Nakrani](https://appshunter.io/developer/1680941411) | [JOAKIM ERIK MIKAEL ARGILLANDER](https://appshunter.io/developer/1787042394) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-secure-folder/id6456267824)

This app offers a secure, offline solution for protecting your private photos, contacts, passwords, and notes. It prioritizes user privacy by keeping all data stored locally on your device without any internet connection or cloud synchronization.

**Highlights:** Offline photo and video vault, Contact backup and restore, Secure password manager, Encrypted notes storage, Local data storage only, Intuitive user interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Premium Version | $3.99 | per month |
| Upgrade Premium Version | $24.99 | per year |
| Upgrade Premium Version | $29.99 | one-time |


### Quantum Technology Toolbox

[App page](https://appshunter.io/ios/app/quantum-technology-toolbox/id6739785533)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is App Lock free?

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

### Is Quantum Technology Toolbox free?

Quantum Technology Toolbox is free to download, with no in-app purchases.

### Do App Lock or Quantum Technology Toolbox have ads?

Neither App Lock nor Quantum Technology Toolbox shows ads.

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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.*