# Iridium GO! vs Anchor Pro

The clearest difference is review sentiment: Anchor Pro at 79% against Iridium GO!'s 7%. Anchor Pro also leads on rating (4.8 vs 1.9) and ratings volume (3.6K vs 58). Iridium GO!'s advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 17.2). On price, 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. Iridium GO! asks for nothing beyond the download.

Anchor Pro holds the better App Store score, 4.8 against 1.9. That said, the two scores are not equally well evidenced: Anchor Pro has 3.6K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 7% of Iridium GO!'s written reviews are positive against 79% of Anchor Pro's.

Iridium GO! ships an update every 5 months, Anchor Pro every 2 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Iridium GO! | Anchor Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (58 ratings)](https://appshunter.io/ios/app/iridium-go/id808207315/reviews) | **[4.8 (3.6K ratings)](https://appshunter.io/ios/app/anchor-pro/id1445476850/reviews)** |
| Number of ratings | 58 | **3.6K** |
| Positive reviews | 6.8% of reviews | **78.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 23 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Iridium](https://appshunter.io/developer/634954979) | [IdeaBoys GmbH](https://appshunter.io/developer/1578331665) |

## What reviewers say

### Iridium GO!

[App page](https://appshunter.io/ios/app/iridium-go/id808207315)

Connect your iPhone or iPad to a global satellite network for calls, texts, and social media updates anywhere on Earth. This app provides essential communication capabilities even in areas without terrestrial network coverage, including emergency SOS functionality.

**Highlights:** Satellite calling, SMS messaging, Twitter integration, Emergency SOS activation, Global network coverage, Wi-Fi connectivity

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Iridium GO! free?

Iridium GO! is free to download, with no in-app purchases.

### Is Anchor Pro free?

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

### Which has better reviews, Iridium GO! or Anchor Pro?

Anchor Pro is rated higher. Iridium GO! averages 1.9 out of 5 from 58 ratings, while Anchor Pro averages 4.8 from 3.6K ratings.

### Do Iridium GO! or Anchor Pro have ads?

Neither Iridium GO! nor Anchor Pro shows ads.

### Which is updated more often, Iridium GO! or Anchor Pro?

Iridium GO! ships an update every 5 months, and Anchor Pro every 2 months. Most recently, Iridium GO! was updated on October 21, 2026 and Anchor Pro on October 23, 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.*