# SatSleeve vs Garmin Messenger™

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.

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.

## The numbers

| Metric | SatSleeve | Garmin Messenger™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/satsleeve/id595296697/reviews) | **[4.6 (14K ratings)](https://appshunter.io/ios/app/garmin-messenger/id1550351929/reviews)** |
| Number of ratings | 4 | **14K** |
| Positive reviews | **59.0% of reviews** | 19.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#74** |
| Size | 17 MB | 107 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Asia Pacific Satellite Communication Co., Ltd.](https://appshunter.io/developer/585124642) | [Garmin](https://appshunter.io/developer/411046952) |

## What reviewers say

### SatSleeve

[App page](https://appshunter.io/ios/app/satsleeve/id595296697)

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.

**Highlights:** Satellite calls and SMS, Email and instant messaging, Social media access, Smartphone app integration, Multi-language support, Works with iPhone 8 and above

**In-app purchases:** none


### Garmin Messenger™

[App page](https://appshunter.io/ios/app/garmin-messenger/id1550351929)

**Currently charting:** #74 Top Free · Social Networking (US App Store)

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.

**Highlights:** Global messaging, Interactive SOS, Group messaging, Photo and voice messaging, Automatic network switching, Real-time location sharing (LiveTrack)

**Features:** Siri integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent app
- 👍 Easy to use
- 🚀 Great messaging functionality
- 👍 Seamless cellular and satellite communication
- 🚀 Consolidated messaging experience

**What reviewers complain about**

- 🐛 Activation and verification issues
- 🐛 Pairing problems with InReach devices
- 🐛 Buggy and unstable app
- 👎 Difficult to use and navigate
- 👎 Lack of support for older InReach models

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is SatSleeve free?

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

### Is Garmin Messenger™ free?

Garmin Messenger™ is free to download, with no in-app purchases.

### Which has better reviews, SatSleeve or Garmin Messenger™?

Garmin Messenger™ is rated higher. SatSleeve averages 4.3 out of 5 from 4 ratings, while Garmin Messenger™ averages 4.6 from 14K ratings.

### Do SatSleeve or Garmin Messenger™ have ads?

Neither SatSleeve nor Garmin Messenger™ shows ads.

### Which is updated more often, SatSleeve or Garmin Messenger™?

SatSleeve ships an update every 3 months, and Garmin Messenger™ every 3 weeks. Most recently, SatSleeve was updated on November 1, 2026 and Garmin Messenger™ on November 6, 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.*