# PortKnock vs Currency Cheat Sheet Widgets

The clearest difference is price: Currency Cheat Sheet Widgets at Free against PortKnock's $0.99. Currency Cheat Sheet Widgets also leads on update cadence (daily vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Currency Cheat Sheet Widgets is free to download; PortKnock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PortKnock ships an update every 7 months, Currency Cheat Sheet Widgets daily. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PortKnock | Currency Cheat Sheet Widgets |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/portknock/id358353536/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Paid | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **26.0** | 26.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Danny Sung](https://appshunter.io/developer/1555969244) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### PortKnock

[App page](https://appshunter.io/ios/app/portknock/id358353536)

This utility allows network administrators to send custom port knock sequences to servers. It requires a port knock daemon on the server and offers features like password protection, knock validation, and host management.

**Highlights:** Password Protection, Knock Validation, Import/Export Hosts, Auto App Launcher, Shows External IP Address, TCP/UDP Configuration

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

**In-app purchases:** none


### Currency Cheat Sheet Widgets

[App page](https://appshunter.io/ios/app/currency-cheat-sheet-widgets/id6756807004)

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

**In-app purchases:** none


## Frequently asked questions

### Is PortKnock free?

PortKnock costs $0.99, with no in-app purchases.

### Is Currency Cheat Sheet Widgets free?

Currency Cheat Sheet Widgets is free to download, with no in-app purchases.

### Do PortKnock or Currency Cheat Sheet Widgets have ads?

Neither PortKnock nor Currency Cheat Sheet Widgets shows ads.

### Which is updated more often, PortKnock or Currency Cheat Sheet Widgets?

PortKnock ships an update every 7 months, and Currency Cheat Sheet Widgets daily. Most recently, PortKnock was updated on November 6, 2026 and Currency Cheat Sheet Widgets on October 30, 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.*