# Anchor Pro vs AirmarCAST™

The clearest difference is review sentiment: Anchor Pro at 79% against AirmarCAST™'s 25%. Anchor Pro also leads on rating (4.8 vs 2.6) and ratings volume (3.6K vs 5). AirmarCAST™'s advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Anchor Pro sells 1 in-app purchase, starting at $6.99 per year. AirmarCAST™ asks for nothing beyond the download.

Anchor Pro holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: Anchor Pro has 3.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 79% of Anchor Pro's written reviews are positive against 25% of AirmarCAST™'s.

Anchor Pro ships an update every 2 months, AirmarCAST™ every 3 months. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Anchor Pro | AirmarCAST™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.6K ratings)](https://appshunter.io/ios/app/anchor-pro/id1445476850/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews) |
| Number of ratings | **3.6K** | 5 |
| Positive reviews | **79.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 112 MB |
| Requires iOS | 17.2 | **16** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IdeaBoys GmbH](https://appshunter.io/developer/1578331665) | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) |

## What reviewers say

### Anchor Pro

[App page](https://appshunter.io/ios/app/anchor-pro/id1445476850)

This app helps boaters set and monitor their anchor position in real-time. It allows for defining safe zones, tracking boat movement, and receiving alerts for critical changes. Remote notifications and Apple Watch integration enhance its utility for secure anchoring.

**Highlights:** Set anchor location in real-time or manually, Define custom safe swing zones, Monitor boat movement and track history, Receive real-time alerts for position, GPS, and battery, Remote notifications via Telegram or email, Apple Watch companion app for key metrics

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anchor Premium | $6.99 | per year |

**What reviewers like**

- 🚀 Reliable anchor alarm
- 👍 Easy to use interface
- 🔒 Works without cell/WiFi
- 💤 Helps user sleep soundly
- 🗺️ Detailed anchor tracking

**What reviewers complain about**

- 🐛 GPS accuracy issues
- 🔋 Drains device battery
- 🔍 Remote monitoring unreliable
- 💰 Subscription required for full features

**Reported bugs**

- App randomly shuts off
- Anchor position tracking glitches

**Requested features**

- Customizable anchor icon/color
- Integration with marine GPS/chartplotter
- Ability to adjust alarm parameters remotely


### AirmarCAST™

[App page](https://appshunter.io/ios/app/airmarcast/id1492428585)

Configure and calibrate your boat's Bluetooth-enabled multisensors and modules directly from your mobile device. View real-time data on detailed gauges and perform advanced calibrations for speed, temperature, and attitude without extra hardware.

**Highlights:** Bluetooth sensor connection, Real-time data display, Intuitive navigation, Speed, temperature, attitude calibration, On-board GPS speed comparison, Advanced speed calibration wizards

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

**In-app purchases:** none


## Frequently asked questions

### Is Anchor Pro free?

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

### Is AirmarCAST™ free?

AirmarCAST™ is free to download, with no in-app purchases.

### Which has better reviews, Anchor Pro or AirmarCAST™?

Anchor Pro is rated higher. Anchor Pro averages 4.8 out of 5 from 3.6K ratings, while AirmarCAST™ averages 2.6 from 5 ratings.

### Do Anchor Pro or AirmarCAST™ have ads?

Neither Anchor Pro nor AirmarCAST™ shows ads.

### Which is updated more often, Anchor Pro or AirmarCAST™?

Anchor Pro ships an update every 2 months, and AirmarCAST™ every 3 months. Most recently, Anchor Pro was updated on October 29, 2026 and AirmarCAST™ on October 11, 2026.

---

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