Hinge Health vs TrialLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hinge Health
This app offers a digital clinic for joint and muscle pain relief. It combines personalized exercise therapy, expert clinical care, and educational content to help users move with confidence and live a life with less pain.
- Personalized exercise therapy
- On-the-go exercise sessions
- Expert clinical care
- Drug-free pain relief
- Women's pelvic health program
- Educational content
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Hinge Health provides virtual and in-person care for joint and muscle pain, pelvic floor symptoms, migraines, and more — covered at $0 cost to you** through 2,800+ employers and health plans. You’ll get a personalized care plan with guided exercises you can do anytime, anywhere, plus a dedicated care team that includes physical therapists, orthopedic doctors, and other specialists — all through the Hinge Health app. Check your eligibility today: hinge.health/covered ▶ WHAT’S INCLUDED* • Guided exercise sessions you can do anytime, anywhere • Access to a care team, including physical therapists, orthopedic doctors, and other specialists • Enso® wearable device for pain relief in minutes • Personalized care plan based on your needs and abilities ▶ CONDITIONS WE TREAT • Joint and muscle pain in your back, knees, hips, neck, and more • Pelvic floor care for pregnancy, bladder control, and pelvic pain • Migraines • Injury prevention and recovery • Balance and mobility ▶ HOW MUCH DOES IT COST? Hinge Health is available at $0 cost to members through 2,800+ employers and health plans.** Check eligibility at hinge.health/covered. ▶ THE OUTCOMES 68% average pain reduction in 12 weeks.*** Over 2M+ members treated. *Please note that some Hinge Health features, such as physical therapy, program equipment, certain educational content, and direct care team support, may not be available in your country. Availability depends on your geographic location, the specifics of your employer's or health plan's coverage, and local regulatory requirements, classifications, and approvals. **Virtual physical therapy and virtual specialist visits are available at no cost to the member. For in-person care and services, members may have a cost share if they are on a high deductible plan and have not met their deductible, or if they see a provider outside of the Hinge Health network. ***In a 12 week study of chronic knee and back program participants. Bailey JF, et al. Digital Care for Chronic Musculoskeletal Pain: 10,000 Participant Longitudinal Cohort Study. J Med Internet Res 2020.
TrialLink
This B2B SaaS platform streamlines clinical trial operations for sponsors and investigators. It provides secure, study-specific environments accessible only to authorized users via direct login credentials. Access is managed by sponsors, not through public sign-up.
- B2B SaaS platform
- Clinical trial operations
- Study-specific environments
- Secure investigator access
- Sponsor-managed access
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TrialLink by Kachina Health Your clinical trial, in your investigators' pocket. TrialLink is Kachina Health's purpose-built mobile solution for clinical trial sponsors. Deploy a fully configured study environment to your entire investigator network. Keep your sites aligned, informed, and focused on what matters most: enrolling patients and executing your protocol. For Sponsors & CROs Configure study-specific environments for your investigators and their research teams. Push everything they need directly to their phones. Key protocol details, such as inclusion/exclusion criteria and the schedule of assessments, training manuals and videos, and detailed enrollment metrics. All sponsor-controlled, all delivered in real-time. Drive Enrollment Sites with on-demand access to study criteria and site-wide enrollment metrics enroll eligible patients faster. Broadcast enrollment updates and site performance data to accelerate momentum across your study network. Reduce Protocol Deviations Keep your sites running clean by ensuring the latest, key protocol details are easily available by investigators and research teams. Enhanced Sponsor-to-Site Communication Replace fragmented emails and texts with targeted push notifications, structured document libraries, and a single source of truth for your entire investigator network. Enterprise-Grade Security HIPAA-aligned database environment, encrypted file storage, and sponsor-controlled app access. All tested with the latest AI security models. Built for the regulatory demands of clinical trial operations. For Investigators & Site Teams TrialLink puts your clinical trial in your pocket. Access protocols, training materials, and enrollment metrics in real-time. Never miss a critical update from your sponsor again. If your sponsor isn't using TrialLink yet, ask them about it. Access to TrialLink is provided by your trial sponsor. If you are an investigator expecting access to a study, contact your sponsor or CRO for login credentials.
Screenshots
Verdict
The clearest difference is ratings volume: Hinge Health at 174K against TrialLink's 4. Hinge Health also leads on update cadence (every 10 days vs every 5 weeks) and chart position (#19 vs unranked). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.9 for Hinge Health against 5.0 for TrialLink. That said, the two scores are not equally well evidenced: Hinge Health has 174K ratings behind it against 4, so its average is the more settled of the two.
Hinge Health ships an update every 10 days, TrialLink every 5 weeks. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.
| Parameter | Hinge Health | TrialLink |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (174K ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 92.9% of reviews | — |
| Number of ratings | 174K — better | 4 |
| Update frequency | Every 10 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #19 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 204 MB | 37 MB |
| Age rating | 17+ | 17+ |
| Developer | Hinge Health, Inc. | Kachina Health, LLC |
Customer experience
Hinge Health
TrialLink
Bugs and requests
Hinge Health
Reported bugs
2 issues- Incorrect exercise instructions
- Inconsistent tracking of user progress
Requested features
3 requests- Add more advanced exercise levels
- Allow resetting to earlier levels after setbacks
- Improve landscape mode and TV connectivity
TrialLink
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Hinge Health
No in-app purchases
TrialLink
No in-app purchases








