# Iridium GO! vs SailboatData

The clearest difference is review sentiment: SailboatData at 89% against Iridium GO!'s 7%. SailboatData also leads on rating (4.8 vs 1.9) and update cadence (every 4 weeks vs every 5 months). Iridium GO!'s advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SailboatData sells 4 in-app purchases, starting at $0.99 per month. Iridium GO! asks for nothing beyond the download.

SailboatData holds the better App Store score, 4.8 against 1.9. That said, the two scores are not equally well evidenced: SailboatData has 293 ratings behind it against 54, 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 89% of SailboatData's.

Iridium GO! ships an update every 5 months, SailboatData every 4 weeks. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Iridium GO! | SailboatData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (54 ratings)](https://appshunter.io/ios/app/iridium-go/id808207315/reviews) | **[4.8 (293 ratings)](https://appshunter.io/ios/app/sailboatdata/id1545197438/reviews)** |
| Number of ratings | 54 | **293** |
| Positive reviews | 6.8% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 20 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iridium Satellite LLC](https://appshunter.io/developer/634954979) | [VMG Media, LLC](https://appshunter.io/developer/1545197440) |

## 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


### SailboatData

[App page](https://appshunter.io/ios/app/sailboatdata/id1545197438)

Access a comprehensive database of production sailboat specifications offline. Compare models, search by detailed criteria, and save favorites with personal remarks. Ideal for buyers and marine professionals alike.

**Highlights:** Offline sailboat database access, Side-by-side model comparison, Search by detailed specifications, Save favorite sailboats and designers, Add personal remarks to models, Sync favorites and remarks via iCloud

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Monthly Access | $0.99 | per month |
| 3 Monthly Access | $1.99 | per 3 months |
| 6 Monthly Access | $2.99 | per 6 months |
| 12 Monthly Access | $3.99 | per year |


## Frequently asked questions

### Is Iridium GO! free?

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

### Is SailboatData free?

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

### Which has better reviews, Iridium GO! or SailboatData?

SailboatData is rated higher. Iridium GO! averages 1.9 out of 5 from 54 ratings, while SailboatData averages 4.8 from 293 ratings.

### Do Iridium GO! or SailboatData have ads?

Neither Iridium GO! nor SailboatData shows ads.

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

Iridium GO! ships an update every 5 months, and SailboatData every 4 weeks. Most recently, Iridium GO! was updated on September 9, 2026 and SailboatData on September 24, 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.*