IsatHub Voice vs SD Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IsatHub Voice
This application allows your smart device to make calls and send/receive SMS messages using a satellite network, providing connectivity outside of traditional cellular coverage. It integrates with your device's native contact list and offers call recording and history features.
- Make calls and send SMS over satellite
- Works with IsatHub terminal
- Uses device's native contact list
- Call recording
- Call history
- SMS support
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IsatHub Voice App enables your smart device to make calls and send/receive SMS over Inmarsat’s global satellite network using your IsatHub terminal. The IsatHub service enables your smartphone or tablet to make calls and access internet service outside of cellular or fixed terrestrial coverage. Features: · Ready to use with IsatHub terminal · Contact List and Contact Favorites use your device’s native contact directory · Call recording · Speakerphone, mute and hold functions · Call history with a list of received, missed and dialed calls · SMS support
SD Toolkit
Troubleshoot aviation satcom terminals via serial connection. This tool helps diagnose and resolve issues with satellite communication equipment used in aircraft.
- Troubleshoot satcom terminals
- Serial connection support
- Aviation specific
- Diagnose communication issues
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SD Toolkit allows for troubleshooting of aviation based satcom terminals over serial connection.
Screenshots
Verdict
The clearest difference is rating: SD Toolkit at 5.0 against IsatHub Voice's 1.0. IsatHub Voice's advantage is update cadence (every 4 months vs every 27 months) and iOS requirement (8.0 vs 14.0). On price, ratings volume, ads and in-app purchases 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.
SD Toolkit holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
IsatHub Voice ships an update every 4 months, SD Toolkit every 27 months. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | IsatHub Voice | SD Toolkit |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 136 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Inmarsat Global Limited | Satcom Direct |
Customer experience
IsatHub Voice
SD Toolkit
In-app purchases
IsatHub Voice
No in-app purchases
SD Toolkit
No in-app purchases
Questions
Is IsatHub Voice free?
Is SD Toolkit free?
Which has better reviews, IsatHub Voice or SD Toolkit?
Do IsatHub Voice or SD Toolkit have ads?
Which is updated more often, IsatHub Voice or SD Toolkit?
Other comparisons
