# Thunder Ranch vs Nav Rules

The clearest difference is in-app purchases: Thunder Ranch at none against Nav Rules's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Nav Rules sells 1 one-off in-app purchase. Thunder Ranch asks for nothing beyond the download.

Thunder Ranch ships an update every 2 months, Nav Rules every 4 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Thunder Ranch | Nav Rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nav-rules-colregs-and-inland/id6776329571/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 430 MB | 84 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alec Williams](https://appshunter.io/developer/1844368451) | [SEDX LLC](https://appshunter.io/developer/6776048808) |

## What reviewers say

### Thunder Ranch

[App page](https://appshunter.io/ios/app/thunder-ranch/id6753683230)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Nav Rules

[App page](https://appshunter.io/ios/app/nav-rules-colregs-and-inland/id6776329571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coxswain Pro | $1.99 | one-time |


## Frequently asked questions

### Is Thunder Ranch free?

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

### Is Nav Rules free?

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

### Do Thunder Ranch or Nav Rules have ads?

Neither Thunder Ranch nor Nav Rules shows ads.

### Which is updated more often, Thunder Ranch or Nav Rules?

Thunder Ranch ships an update every 2 months, and Nav Rules every 4 weeks. Most recently, Thunder Ranch was updated on October 30, 2026 and Nav Rules on November 5, 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.*