TracPatch Knee vs GAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TracPatch Knee
This app provides a smart, connected solution for remote patient monitoring in orthopedics. It captures key daily activities and range of motion to offer healthcare providers real-time insights into patient recovery, enabling proactive care adjustments and improved outcomes.
- Remote patient monitoring
- Objective data capture
- Predictive outcomes
- Continuous activity tracking
- Range of motion monitoring
- Real-time recovery insights
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TracPatch technology is here to redefine the way health care is delivered: through smart connected solutions, TracPatch joins the health care provider, patient, and payer with objective data providing predictive outcomes and care. TracPatch™ is revolutionizing evidence-based care in orthopedics. TracPatch is a cutting-edge remote monitoring device designed to make total joint replacement recovery easily accessible, connected, and more predictable. TracPatch is a 24/7 passive and continuous remote monitoring system that captures a patient’s key daily activities, such as range of motion progress and ambulation. TracPatch provides the healthcare provider anytime, anywhere insight into a patient’s recovery, allowing for immediate care adjustments and the ability to get ahead of recovery issues, empowering patients and healthcare providers with real time recovery efficiency. We believe engaging the patient is key to a successful outcome. TracPatch creates a data driven connected environment for all stakeholders to achieve success.
GAP
This app guides users through knee recovery therapy using a gravity-based system. It provides setup instructions, animated demonstrations, therapy timers, progress tracking, and recommended exercises to aid in regaining range of motion after knee replacement.
- Setup instructions
- Animated demonstrations
- Therapy timer
- Progress tracking
- Recommended exercises
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The GAP-FLEX® System is the next generation of knee recovery therapy. Designed to utilize gravity and save you time (and money) in lengthy therapy sessions, the GAP-FLEX® System increases range of motion faster during recovery from total knee replacement. Purchase your device at GAP-FLEX.com. The GAP-FLEX® App is designed to be used in accompaniment with the device during recovery. App features include: - Getting to know your GAP-FLEX® - Setup instructions and animated demonstrations - Therapy instructions, timer and log for tracking progress - Recommended optional exercises
Screenshots
Verdict
The clearest difference is review sentiment: TracPatch Knee at 60% against GAP's 0%. TracPatch Knee also leads on rating (4.3 vs 1.5) and update cadence (every 2 months vs every 10 months). GAP's advantage is iOS requirement (10.0 vs 13.0). On price, ratings volume, ads and in-app purchases 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.
TracPatch Knee holds the better App Store score, 4.3 against 1.5. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews point the same way: 60% of TracPatch Knee's written reviews are positive against 0% of GAP's.
TracPatch Knee ships an update every 2 months, GAP every 10 months. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.
| Parameter | TracPatch Knee | GAP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) — better | 1.5 (4 ratings) |
| Positive reviews | 60.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 9 — better | 4 |
| Update frequency | Every 2 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 96 MB |
| Age rating | 17+ | 12+ |
| Developer | Consensus Orthopedics | GAP-FLEX® |
Customer experience
TracPatch Knee
GAP
In-app purchases
TracPatch Knee
No in-app purchases
GAP
No in-app purchases
