SatSleeve vs Garmin Messenger™
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SatSleeve
Transform your iPhone into a satellite smartphone for calls, SMS, emails, and app usage beyond terrestrial networks. Connect via satellite across Europe, Africa, Asia, and Australia.
- Satellite calls and SMS
- Email and instant messaging
- Social media access
- Smartphone app integration
- Multi-language support
- Works with iPhone 8 and above
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+++++Please download the SATSLEEVE App only if you have a SatSleeve for iPhone model, for all newer SatSleeve+ or SatSleeve Hotspot models please download the SATSLEEVE+ / HOTSPOT App instead.+++++ Transform your iPhone into a satellite smartphone! Download the SatSleeve App for free and dock your iPhone into the Thuraya SatSleeve to start enjoying seamless connectivity via satellite when outside of terrestrial networks. Enjoy calls, SMSs, emails, instant messaging, social media and smartphone apps across Thuraya’s satellite network covering Europe, Africa, Asia and Australia. Visit www.thuraya.com for a list of authorized Thuraya Service Partners and outlets where you can buy the Thuraya SatSleeve. The SatSleeve App supports 12 languages: Arabic, Bahasa Indonesia, Chinese (Simplified), English, French, German, Italian, Japanese, Korean, Portuguese, Russian and Spanish. Works with all iPhones running iOS 8 and above (physical adaptors are available for iPhone 4/4s/5/5s/6/6s/7). Note: The Thuraya SatSleeve is required to use this App. In Japan, the SatSleeve is sold by SoftBank Corp. as 202TH.
Garmin Messenger™
Communicate globally with friends and family, even without cell service. Pair with a compatible satellite communicator for secure messaging and SOS capabilities. Enjoy automatic network switching for reliable connectivity and real-time location sharing.
- Global messaging
- Interactive SOS
- Group messaging
- Photo and voice messaging
- Automatic network switching
- Real-time location sharing (LiveTrack)
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Stay in touch with friends and family. Enjoy the security and connectivity of global messaging with the Garmin Messenger™ app. Pair with your compatible inReach® satellite communicator for fast, easy direct messaging and interactive SOS that’s not limited to cellphone coverage areas (active satellite subscription required). The app supports group messaging as well as photo and voice messaging when paired with a compatible Garmin device (1). Automatic switching between internet, cellular, and satellite networks gives you the best connectivity and efficiency for all your messaging. When you have connectivity, the app will work seamlessly even if your inReach device is turned off. Invite your friends and family to download the app to stay connected and keep the conversation going on and off the trail. With the use of the LiveTrack™ feature, loved ones can follow your location in real time (2) and see data such as distance, time and elevation. (1) See compatible devices at garmin.com/p/893837#devices (2) When used with your compatible smartphone and the Garmin Earthmate® app or when used with your compatible inReach® technology-enabled Garmin device. Note: Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.
Screenshots
Verdict
The clearest difference is review sentiment: SatSleeve at 59% against Garmin Messenger™'s 20%. SatSleeve also leads on iOS requirement (8.0 vs 18.0). Garmin Messenger™'s advantage is ratings volume (14K vs 4) and rating (4.6 vs 4.3). 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.
Garmin Messenger™ holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Garmin Messenger™ has 14K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 59% of SatSleeve's written reviews are positive against 20% of Garmin Messenger™'s, so the app with the better star average is not the one people write more warmly about.
SatSleeve ships an update every 3 months, Garmin Messenger™ every 3 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | SatSleeve | Garmin Messenger™ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) | 4.6 (14K ratings) — better |
| Positive reviews | 59.0% of reviews — better | 19.5% of reviews |
| Number of ratings | 4 | 14K — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #74 — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 17 MB | 107 MB |
| Age rating | 4+ | 12+ |
| Developer | Asia Pacific Satellite Communication Co., Ltd. | Garmin |
Customer experience
SatSleeve
Garmin Messenger™
Bugs and requests
SatSleeve
Not enough reviews yet to summarise bugs or requests.
Garmin Messenger™
Reported bugs
4 issues- No verification code received
- App freezes during activation
- Inconsistent behavior between app and device
- Messaging not working in areas with no cell coverage
Requested features
5 requests- Ability to message non-Messenger contacts
- Improved contact management and syncing
- Apple Watch compatibility
- Ability to delete messages on paired devices
- Better integration with Garmin Explore app
In-app purchases
SatSleeve
No in-app purchases
Garmin Messenger™
No in-app purchases
Questions
Is SatSleeve free?
Is Garmin Messenger™ free?
Which has better reviews, SatSleeve or Garmin Messenger™?
Do SatSleeve or Garmin Messenger™ have ads?
Which is updated more often, SatSleeve or Garmin Messenger™?
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