# SigmaMD vs Allied Physical Therapy

The clearest difference is rating: Allied Physical Therapy at 5.0 against SigmaMD's 3.0. Allied Physical Therapy also leads on device support (3 vs 1). SigmaMD's advantage is update cadence (every 3 weeks vs every 14 months) and ratings volume (41 vs 1). 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.

Allied Physical Therapy holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: SigmaMD has 41 ratings behind it against 1, so its average is the more settled of the two.

SigmaMD ships an update every 3 weeks, Allied Physical Therapy every 14 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SigmaMD | Allied Physical Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (41 ratings)](https://appshunter.io/ios/app/sigmamd/id1603743862/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/allied-physical-therapy/id6740280797/reviews)** |
| Number of ratings | **41** | 1 |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 62 MB | 43 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Sigmoid Health](https://appshunter.io/developer/1601717786) | [Allied Physical Therapy](https://appshunter.io/developer/1789343099) |

## What reviewers say

### SigmaMD

[App page](https://appshunter.io/ios/app/sigmamd/id1603743862)

This app consolidates your health data from various patient portals, offering a comprehensive view of your medical history. It provides trusted health insights and facilitates secure communication with healthcare providers for appointment scheduling and payment management.

**Highlights:** Aggregate and consolidate health data, Access trusted health insights, Secure physician-patient sessions, Schedule and manage appointments, Manage payments and view invoices

**Features:** Vision Pro support

**In-app purchases:** none


### Allied Physical Therapy

[App page](https://appshunter.io/ios/app/allied-physical-therapy/id6740280797)

Access your personalized physical therapy exercises with instructional videos. Securely message your provider, track progress with achievements, and manage appointments. Integrates with fitness data for comprehensive monitoring.

**Highlights:** Personalized Home Exercise Program, HD Instructional Videos, Secure Messaging with Provider, Progress Tracking with Awards, Appointment Booking, Fitness Activity Integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SigmaMD free?

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

### Is Allied Physical Therapy free?

Allied Physical Therapy is free to download, with no in-app purchases.

### Which has better reviews, SigmaMD or Allied Physical Therapy?

Allied Physical Therapy is rated higher. SigmaMD averages 3.0 out of 5 from 41 ratings, while Allied Physical Therapy averages 5.0 from 1 ratings.

### Do SigmaMD or Allied Physical Therapy have ads?

Neither SigmaMD nor Allied Physical Therapy shows ads.

### Which is updated more often, SigmaMD or Allied Physical Therapy?

SigmaMD ships an update every 3 weeks, and Allied Physical Therapy every 14 months. Most recently, SigmaMD was updated on November 3, 2026 and Allied Physical Therapy on October 30, 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.*