Comparison

Reactive PT vs PrimalOS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Reactive PT

Access your personalized home exercise program with HD instructional videos. Securely message your provider, track progress with awards, and manage appointments. Integrates with your iPhone's Health app for activity monitoring.

Highlights
  • Personalized Home Exercise Program
  • HD Instructional Videos
  • Secure Messaging with Provider
  • Progress Tracking with Awards
  • Appointment Management
  • Health App Integration
Read full description

Welcome to the Reactive PT App! Log on to access your personalized Home Exercise Program on your mobile device. Using this app, you can access your personalized Home Exercise Program with HD Instructional videos. On the 'Messages' tab, you can securely communicate with your Reactive PT provider. As you complete your exercises, we'll give you trophies and medals to celebrate your progress! On the 'Awards' tab, you can track these items. Prefer a language other than English? Go to the 'More' tab and select 'Languages' to pick another language option. If you need to book an appointment, please go to the 'Appointments' tab for more info. Make sure to select 'Mark as Complete' when doing your exercises to ensure that your provider can keep track of your progress! You must be a Reactive PT patient to gain access. This app integrates with your iPhone's Health app to read daily step count data allowing your provider to monitor your activity."

About

PrimalOS

Features
Read full description

Primal Plunges – Transform Your Recovery Routine Discover the smarter way to cold plunge. With Primal Plunges, you get a full wellness system that blends cutting-edge technology with guided sessions to enhance mood, sleep, resilience and performance. What you’ll get: Access to immersive video-guided cold plunge sessions with breathwork, coaching, and scenic visuals. Real time tracking and progress monitoring to help make routine cold immersion a sustainable habit. Remote control of temperature and settings via WiFi-enabled app so you can adjust from your device. Built-in support for full wellness rituals — combining cold, breath, meditation, and focus. Why it works: Our premium plunge systems deliver deep temperature drop, rapid recovery and clean water with high-quality filtration and sanitation. Paired with our apps and guided sessions, you can turn each session into a ritual rather than a chore. Who it’s for: Whether you’re an athlete seeking enhanced recovery, a busy professional looking for mental clarity, or simply someone ready to invest in better sleep and resilience — this app and system is built for you. Get started: Download the app, pair it with your Primal Plunges tub, follow a guided session, log your progress, and elevate your recovery game. Note: This app is designed to integrate with Primal Plunges hardware. Features may vary depending on the model and subscription status. Take the plunge. Elevate your ritual.

Screenshots

Reactive PT4 screens
PrimalOS4 screens

Verdict

The call

The clearest difference is update cadence: PrimalOS at every 2 weeks against Reactive PT's every 16 months. PrimalOS also leads on device support. On price, in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Reactive PT ships an update every 16 months, PrimalOS every 2 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 7 level
Reactive PT versus PrimalOS: the parameters behind the verdict, then further details
ParameterReactive PTPrimalOS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 16 monthsEvery 2 weeks — better
Ads—No
In-app purchasesNoNo
MonetizationFree—
Devices—iPhone, iPod, Apple Watch — better
Requires iOS15.1 — better15.6
Further details — not scored
Size43 MB106 MB
Age rating12+4+
DeveloperReactive Physical Therapy PLLCO'Neill Development LLC

In-app purchases

None

Reactive PT

No in-app purchases

None

PrimalOS

No in-app purchases

Questions

Is Reactive PT free?
Reactive PT is free to download, with no in-app purchases.
Is PrimalOS free?
PrimalOS is free to download, with no in-app purchases.
Which is updated more often, Reactive PT or PrimalOS?
Reactive PT ships an update every 16 months, and PrimalOS every 2 weeks. Most recently, Reactive PT was updated on September 30, 2026 and PrimalOS on October 5, 2026.

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