# Join vs Synapp Messaging

The clearest difference is review sentiment: Synapp Messaging at 100% against Join's 25%. On price, update cadence, 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 21, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | Join | Synapp Messaging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/join-medical-communication/id908201502/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Ad-supported | Ad-supported |
| Size | 179 MB | 56 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +17 | 17+ |
| Developer | [Allm Inc.](https://appshunter.io/developer/537841555) | [IMHOTEP DIGITAL HEALTHCARE](https://appshunter.io/developer/1591750662) |

## What reviewers say

### Join

[App page](https://appshunter.io/ios/app/join-medical-communication/id908201502)

This app facilitates secure communication and collaboration among healthcare professionals. It allows for the sharing of patient information, high-resolution medical images, and diagnostic data, integrating with hospital IT systems to streamline care delivery.

**Highlights:** Secure patient information sharing, DICOM image viewer, Integration with PACS and EMR, 1-on-1 and group chatting, Live streaming video from clinical areas, Anonymity processing for patient data

**Features:** macOS Compatibility

**In-app purchases:** none


### Synapp Messaging

[App page](https://appshunter.io/ios/app/synapp-messaging/id1591750660)

A secure, French-hosted messaging app for healthcare professionals to enhance daily communication and collaboration. It offers unique medical features designed with user input and ensures end-to-end encryption for patient data confidentiality. User verification and a national directory facilitate connections with colleagues and specialists.

**Highlights:** Secure medical messaging, End-to-end encryption, User verification for healthcare professionals, National directory of colleagues, HIPAA compliant, ISO-27001 certified

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Join free?

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

### Is Synapp Messaging free?

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

### Do Join or Synapp Messaging have ads?

Neither Join nor Synapp Messaging shows ads.

### Which is updated more often, Join or Synapp Messaging?

Join ships an update monthly, and Synapp Messaging monthly. Most recently, Join was updated on September 21, 2026 and Synapp Messaging on July 21, 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.*