# Whale Alert vs Nav Rules

The clearest difference is price: Whale Alert at Free against Nav Rules's $14.99. Whale Alert also leads on iOS requirement (16.0 vs 18.0). Nav Rules's advantage is chart position (#140 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Whale Alert is free to download; Nav Rules costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Whale Alert | Nav Rules |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.7 (657 ratings)](https://appshunter.io/ios/app/whale-alert/id911035973/reviews)** | — |
| Number of ratings | **657** | — |
| Positive reviews | 44.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Best chart rank | — | **#140** |
| Size | 133 MB | 13 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Conserve.IO](https://appshunter.io/developer/651453353) | [Dajiale](https://appshunter.io/developer/516546398) |

## What reviewers say

### Whale Alert

[App page](https://appshunter.io/ios/app/whale-alert/id911035973)

This app helps protect whales by reducing ship strikes. It allows users to report whale sightings, access real-time alerts about whale activity and regulations, and view an interactive map of whale presence. It also provides tools for identifying whale species and connecting with response teams.

**Highlights:** Interactive whale sighting map, Real-time whale activity alerts, Report live, dead, or injured whales, Whale identification guide, Connect with first responders, Collision risk monitoring, Marine rules and speed zones

**In-app purchases:** none


### Nav Rules

[App page](https://appshunter.io/ios/app/nav-rules-colregs-exam-prep/id6797804007)

**Currently charting:** #140 Top Paid · Navigation (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Whale Alert free?

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

### Is Nav Rules free?

Nav Rules costs $14.99, with no in-app purchases.

### Do Whale Alert or Nav Rules have ads?

Neither Whale Alert nor Nav Rules shows ads.

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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.*