# IsatHub Voice vs Doc

The clearest difference is rating: Doc at 4.5 against IsatHub Voice's 1.0. Doc also leads on update cadence (every 2 months vs every 4 months). IsatHub Voice's advantage is iOS requirement (8.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Doc holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

IsatHub Voice ships an update every 4 months, Doc every 2 months. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | IsatHub Voice | Doc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/isathub-voice/id895474692/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/doc-e-talkie/id1245298956/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 136 MB | 82 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Inmarsat Global Limited](https://appshunter.io/developer/883350935) | [Khai Sheng Chang](https://appshunter.io/developer/1352730841) |

## What reviewers say

### IsatHub Voice

[App page](https://appshunter.io/ios/app/isathub-voice/id895474692)

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.

**Highlights:** Make calls and send SMS over satellite, Works with IsatHub terminal, Uses device's native contact list, Call recording, Call history, SMS support

**Features:** macOS Compatibility

**In-app purchases:** none


### Doc

[App page](https://appshunter.io/ios/app/doc-e-talkie/id1245298956)

Facilitates secure text messaging for medical professionals to communicate during work hours. Designed for efficient and private doctor-to-doctor conversations.

**Highlights:** Doctor-to-doctor communication, Secure text messaging, Work hour communication, Private conversations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IsatHub Voice free?

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

### Is Doc free?

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

### Which has better reviews, IsatHub Voice or Doc?

Doc is rated higher. IsatHub Voice averages 1.0 out of 5 from 1 ratings, while Doc averages 4.5 from 2 ratings.

### Do IsatHub Voice or Doc have ads?

Neither IsatHub Voice nor Doc shows ads.

### Which is updated more often, IsatHub Voice or Doc?

IsatHub Voice ships an update every 4 months, and Doc every 2 months. Most recently, IsatHub Voice was updated on October 11, 2026 and Doc on October 19, 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.*