# App Lock vs Sudoku Solver · Solve & Learn

The clearest difference is ads: Sudoku Solver · Solve & Learn at none against App Lock's shown. App Lock's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | App Lock | Sudoku Solver · Solve & Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/app-lock-photo-vault-and-hide/id1666244241/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | — |
| Monetization | Ad-supported | — |
| Size | 20 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [vijay kachhadiya](https://appshunter.io/developer/1137194501) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-photo-vault-and-hide/id1666244241)

Secure your photos, videos, files, and notes with password, fingerprint, and Face ID protection. Millions trust this app to store personal media and documents confidentially in private albums.

**Highlights:** Password protection, Fingerprint and Face ID, Secure photo albums, Store videos and files, Import/Export functionality, Wireless transfer, Private notes editor

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku Solver · Solve & Learn

[App page](https://appshunter.io/ios/app/sudoku-solver-solve-and-learn/id6768305921)

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

**In-app purchases:** none


## Frequently asked questions

### Is App Lock free?

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

### Is Sudoku Solver · Solve & Learn free?

Sudoku Solver · Solve & Learn is free to download, with no in-app purchases.

### Do App Lock or Sudoku Solver · Solve & Learn have ads?

App Lock shows ads; Sudoku Solver · Solve & Learn does not.

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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.*