Reactive PT vs PrimalOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Personalized Home Exercise Program
- HD Instructional Videos
- Secure Messaging with Provider
- Progress Tracking with Awards
- Appointment Management
- Health App Integration
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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."
PrimalOS
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Reactive PT | PrimalOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 16 months | Every 2 weeks — better |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | — | iPhone, iPod, Apple Watch — better |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 43 MB | 106 MB |
| Age rating | 12+ | 4+ |
| Developer | Reactive Physical Therapy PLLC | O'Neill Development LLC |
In-app purchases
Reactive PT
No in-app purchases
PrimalOS
No in-app purchases









