# Firewalla vs knock(1)

The clearest difference is rating: knock(1) at 5.0 against Firewalla's 4.5. Firewalla's advantage is ratings volume (736 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

knock(1) holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Firewalla has 736 ratings behind it against 1, so its average is the more settled of the two.

Firewalla ships an update every 6 weeks, knock(1) every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Firewalla | knock(1) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (736 ratings)](https://appshunter.io/ios/app/firewalla/id1180904053/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knock1/id6762497209/reviews)** |
| Number of ratings | **736** | 1 |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 110 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rottiesoft LLC](https://appshunter.io/developer/492491813) | [Jeffrey Cousens](https://appshunter.io/developer/1877690927) |

## What reviewers say

### Firewalla

[App page](https://appshunter.io/ios/app/firewalla/id1180904053)

Secure your home or small business network and IoT devices from cyber threats. Detect vulnerable devices, scan for infections, and block suspicious activity. Manage your network security with this powerful tool.

**Highlights:** Network security, IoT device management, Vulnerability detection, Mirai virus scanning, Port scanning, Network control

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful features
- 🔒 Robust security
- 👍 Easy to use
- 🚀 Excellent performance
- 👍 Intuitive app

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔍 Limited iPad support
- 🔍 Lack of landscape mode
- ⏱️ Slow response times
- 🔍 Confusing setup process

**Reported bugs**

- App crashes after updates
- Connectivity issues with certain routers
- Inconsistent device detection
- Firmware update problems

**Requested features**

- Landscape mode support for iPad
- Web-based management interface
- Improved setup process
- Faster response times
- More detailed network monitoring


### knock(1)

[App page](https://appshunter.io/ios/app/knock1/id6762497209)

This utility app allows you to remotely open firewall ports on your server using a saved sequence of connection attempts from your iPhone. It supports TCP or UDP for each port and provides live feedback on the connection status.

**Highlights:** Save and reuse multiple host configurations, Per-port TCP or UDP selection, Configurable inter-packet delay, Live per-port result display, Native SwiftUI interface, No tracking or analytics

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

**In-app purchases:** none


## Frequently asked questions

### Is Firewalla free?

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

### Is knock(1) free?

knock(1) is free to download, with no in-app purchases.

### Which has better reviews, Firewalla or knock(1)?

knock(1) is rated higher. Firewalla averages 4.5 out of 5 from 736 ratings, while knock(1) averages 5.0 from 1 ratings.

### Do Firewalla or knock(1) have ads?

Neither Firewalla nor knock(1) shows ads.

### Which is updated more often, Firewalla or knock(1)?

Firewalla ships an update every 6 weeks, and knock(1) every 2 months. Most recently, Firewalla was updated on October 15, 2026 and knock(1) on October 12, 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.*