# REDAT Client vs SigmaMD Clinician

REDAT Client and SigmaMD Clinician both sit at 5.0 stars, but that hides the real split: 100% of SigmaMD Clinician's written reviews are positive against 0% of REDAT Client's. SigmaMD Clinician also leads on monetization model (free vs subscription) and update cadence (every 6 weeks vs every 3 months). REDAT Client's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.4). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for REDAT Client against 5.0 for SigmaMD Clinician. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 0% of REDAT Client's written reviews are positive against 100% of SigmaMD Clinician's.

REDAT Client ships an update every 3 months, SigmaMD Clinician every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | REDAT Client | SigmaMD Clinician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/redat-client/id1598132169/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/sigmamd-clinician/id6463064075/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Subscription | **Free** |
| Size | 120 MB | 67 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Redat LLC](https://appshunter.io/developer/1598132171) | [Sigmoid Health](https://appshunter.io/developer/1601717786) |

## What reviewers say

### REDAT Client

[App page](https://appshunter.io/ios/app/redat-client/id1598132169)

Access a wide range of healthcare providers and schedule medical appointments with ease. This service allows patients to budget for and receive medical aid conveniently from their location, anytime. Healthcare providers can connect with a larger patient base and offer services at more affordable rates.

**Highlights:** Access to a large selection of healthcare providers, Subscription-based budgeting for medical aid, Easy scheduling of medical appointments, Receive medical services at your location, 24/7 availability for consultations, Connects healthcare providers with patients

**Features:** macOS Compatibility

**In-app purchases:** none


### SigmaMD Clinician

[App page](https://appshunter.io/ios/app/sigmamd-clinician/id6463064075)

This secure messaging app allows healthcare professionals to communicate with patients and colleagues. It offers end-to-end encryption for confidential conversations and streamlines care coordination. Access all features on your mobile device to stay connected and improve patient outcomes.

**Highlights:** Secure patient messaging, Team collaboration chat, Mobile convenience, End-to-end encryption, Streamlined communication

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

**In-app purchases:** none


## Frequently asked questions

### Is REDAT Client free?

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

### Is SigmaMD Clinician free?

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

### Which has better reviews, REDAT Client or SigmaMD Clinician?

REDAT Client and SigmaMD Clinician are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do REDAT Client or SigmaMD Clinician have ads?

Neither REDAT Client nor SigmaMD Clinician shows ads.

### Which is updated more often, REDAT Client or SigmaMD Clinician?

REDAT Client ships an update every 3 months, and SigmaMD Clinician every 6 weeks. Most recently, REDAT Client was updated on November 3, 2026 and SigmaMD Clinician on November 3, 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.*