# StyleGuide vs NOX Shield

The clearest difference is in-app purchases: NOX Shield at none against StyleGuide's 7. NOX Shield also leads on iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StyleGuide sells 7 in-app purchases, starting at $1.99 per year. NOX Shield asks for nothing beyond the download.

StyleGuide ships an update every 11 days, NOX Shield every 2 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | StyleGuide | NOX Shield |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 24 MB | 12 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adam Foot](https://appshunter.io/developer/1071261283) | [Marin Mirancea](https://appshunter.io/developer/6796888454) |

## What reviewers say

### StyleGuide

[App page](https://appshunter.io/ios/app/styleguide-indie-dev-hig-tool/id6503706164)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StyleGuide Pro (Yearly) | $1.99 | per year |
| Small Tip | $1.99 | one-time |
| StyleGuide Pro (Lifetime) | $3.99 | one-time |
| Medium Tip | $4.99 | one-time |
| StyleGuide Pro (Lifetime) | $7.99 | one-time |
| Large Tip | $9.99 | one-time |
| Huge Tip | $19.99 | one-time |


### NOX Shield

[App page](https://appshunter.io/ios/app/nox-shield/id6796888452)

This app provides a comprehensive toolkit for network analysis and security assessment. It helps users discover devices, analyze services, and identify potential security risks. Generate detailed reports and export data for further documentation and record-keeping.

**Highlights:** Network reconnaissance, DNS intelligence, Web security assessment, LAN discovery, Port and service analysis, Executive PDF reports, JSON and CSV exports

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

**In-app purchases:** none


## Frequently asked questions

### Is StyleGuide free?

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

### Is NOX Shield free?

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

### Do StyleGuide or NOX Shield have ads?

Neither StyleGuide nor NOX Shield shows ads.

### Which is updated more often, StyleGuide or NOX Shield?

StyleGuide ships an update every 11 days, and NOX Shield every 2 weeks. Most recently, StyleGuide was updated on October 24, 2026 and NOX Shield on October 8, 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.*