# Iridium GO! vs Sat

The clearest difference is review sentiment: Sat at 67% against Iridium GO!'s 7%. Sat also leads on rating (3.8 vs 1.9) and update cadence (every 2 months vs every 5 months). Iridium GO!'s advantage is ratings volume (58 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sat holds the better App Store score, 3.8 against 1.9. That said, the two scores are not equally well evidenced: Iridium GO! has 58 ratings behind it against 4, 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 67% of Sat's.

Iridium GO! ships an update every 5 months, Sat every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Iridium GO! | Sat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (58 ratings)](https://appshunter.io/ios/app/iridium-go/id808207315/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/sat-fi/id881495410/reviews)** |
| Number of ratings | **58** | 4 |
| Positive reviews | 6.8% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 67 MB | 26 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iridium](https://appshunter.io/developer/634954979) | [Globalstar Inc](https://appshunter.io/developer/881495413) |

## 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


### Sat

[App page](https://appshunter.io/ios/app/sat-fi/id881495410)

Transform your smartphone into a satellite-enabled device for email and data communication anywhere. Connect via Wi-Fi to send and receive messages globally, even beyond cellular coverage.

**Highlights:** Satellite enabled device, Send/receive email, Data communication, Wi-Fi enabled connection, Global coverage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Iridium GO! free?

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

### Is Sat free?

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

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

Sat is rated higher. Iridium GO! averages 1.9 out of 5 from 58 ratings, while Sat averages 3.8 from 4 ratings.

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

Neither Iridium GO! nor Sat shows ads.

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

Iridium GO! ships an update every 5 months, and Sat every 2 months. Most recently, Iridium GO! was updated on October 24, 2026 and Sat on October 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.*