Iridium GO! vs Sat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Iridium GO!
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.
- Satellite calling
- SMS messaging
- Twitter integration
- Emergency SOS activation
- Global network coverage
- Wi-Fi connectivity
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Iridium GO! enables satellite connectivity for your iPhone/iPad where terrestrial networks are non-existent, unreliable, or costly. With Iridium GO! and the power of the Iridium global satellite network, your iPhone/iPad will now work anywhere on the planet. The Iridium GO! app enables users to connect over Wi-Fi and make phone calls, send SMS, post Twitter updates, or activate SOS in the event of an emergency (requires registration). Visit www.iridiumgo.com for Iridium GO! product details and information on where to buy. The Iridium GO! app supports English, Spanish, French, Russian, and Japanese languages. Note: The Iridium GO! device is required to use this app.
Sat
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.
- Satellite enabled device
- Send/receive email
- Data communication
- Wi-Fi enabled connection
- Global coverage
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Sat-Fi turns your smartphone or wireless device into a satellite enabled device. Easily send/receive email and data from any Wi-Fi enabled device from beyond cellular service with the world’s most reliable satellite hotspot. The App is available for Free to Sat-Fi users with the following requirements: •One of the following satellite Phones •Sat-Fi •GSP-1700 •GSP-1600 •GSP-2900 •SPOT Global Phone •Active Globalstar or SPOT satellite airtime plan •Sat-Fi App username and password
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Iridium GO! | Sat |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (58 ratings) | 3.8 (4 ratings) — better |
| Positive reviews | 6.8% of reviews | 66.7% of reviews — better |
| Number of ratings | 58 — better | 4 |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Iridium | Globalstar Inc |
Customer experience
Iridium GO!
Sat
In-app purchases
Iridium GO!
No in-app purchases
Sat
No in-app purchases
