# Boat Data vs Anchor Alarm Pro

The clearest difference is in-app purchases: Anchor Alarm Pro at none against Boat Data's 1. Boat Data's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Boat Data sells 1 in-app purchase, starting at $3.99 per year. Anchor Alarm Pro asks for nothing beyond the download.

## The numbers

| Metric | Boat Data | Anchor Alarm Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/anchor-alarm-pro/id6780215106/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | — | Free |
| Size | 73 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FABIAN FISAHN](https://appshunter.io/developer/1744249832) | [Plapp](https://appshunter.io/developer/1490034141) |

## What reviewers say

### Boat Data

[App page](https://appshunter.io/ios/app/boat-data/id6502033300)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boat Data - Premium | $3.99 | per year |


### Anchor Alarm Pro

[App page](https://appshunter.io/ios/app/anchor-alarm-pro/id6780215106)

This app acts as a reliable anchor watch for boaters. It alerts you with a loud, escalating alarm if your vessel drifts outside a set safe radius, ensuring peace of mind while at anchor. It supports various anchor zone shapes and offers flexible GPS input options.

**Highlights:** Loud, escalating drag alarm, Circular, sector, and corridor anchor zones, Supports internal and external GPS, Remote monitoring via shared code, Live map with track history, Battery-conscious operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Boat Data free?

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

### Is Anchor Alarm Pro free?

Anchor Alarm Pro is free to download, with no in-app purchases.

### Do Boat Data or Anchor Alarm Pro have ads?

Neither Boat Data nor Anchor Alarm Pro shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*