# File Compressor vs Knock Knock

The clearest difference is in-app purchases: Knock Knock at none against File Compressor's 5. Knock Knock also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. File Compressor sells 5 in-app purchases, starting at $0.99 per 7 days. Knock Knock asks for nothing beyond the download.

## The numbers

| Metric | File Compressor | Knock Knock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/file-compressor/id6738794261/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 42 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Sarjan Patel](https://appshunter.io/developer/1817590129) |

## What reviewers say

### File Compressor

[App page](https://appshunter.io/ios/app/file-compressor/id6738794261)

Easily reduce file sizes and organize data for sharing. Supports multiple compression formats and offers password protection for added security. Quickly share compressed files directly from the app.

**Highlights:** Compress to ZIP, TAR, GZIP, Password protection for ZIP files, History log of compressed files, Direct file sharing, User-friendly interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| File Compressor Pro | $0.99 | per 7 days |
| File Compressor Pro - 1M | $1.99 | per month |
| File Compressor Pro | $9.99 | per year |
| File Compressor Pro | $19.99 | one-time |
| Offering for New Users | $19.99 | one-time |


### Knock Knock

[App page](https://appshunter.io/ios/app/knock-knock-gated-security/id6746636097)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is File Compressor free?

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

### Is Knock Knock free?

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

### Do File Compressor or Knock Knock have ads?

File Compressor shows ads; Knock Knock 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.*