Top 7 Mobile Health App Developers for Wearable Data Integration in 2025

The mobile health app development market has matured significantly, with specialized agencies now offering deep expertise in wearable data integration, from Apple HealthKit and Google Health Connect to proprietary SDKs for Oura, Whoop, and medical-grade sensors.

This curated list identifies the leading companies that combine proven healthcare development experience with demonstrable wearable integration capabilities, verified through industry rankings, client projects, and 2025 activity.

Selection Methodology and Market Context

Companies were evaluated based on five criteria:

• documented wearable integration projects,
• healthcare industry focus and compliance expertise (HIPAA, FDA, ISO 13485),
• independent verification through Clutch/GoodFirms ratings,
• notable client case studies,
• and evidence of continued 2025 operations.

The mHealth app market is projected to reach $88.7 billion by 2032, and wearable integration has shifted from "nice to have" to table stakes. Eighty percent of US hospitals now use wearables for remote patient monitoring. This isn't experimental anymore, it's infrastructure. And with Google Fit APIs sunsetting on June 30, 2025, teams need partners who understand the migration to Health Connect (Android) isn't just a technical swap but a strategic architecture decision. Companies listed also demonstrate expertise across HealthKit (iOS), BLE connectivity, FHIR interoperability, and proprietary device SDKs.

Here's who we'd actually consider working with in 2025.

1. MindSea: Canada's mobile-first health specialist

Headquarters: Halifax, Nova Scotia, Canada

Company Size: Mid-size agency | Founded: 2007

What They Actually Do: MindSea is a mobile-first health product development company, and that singular focus shows in their work. They don't dabble in enterprise ERP or build e-commerce platforms, they build mobile health experiences and connected device applications. That specialization means faster iteration cycles and deeper understanding of mobile-native patterns than broader digital agencies can match.

Wearable Integration Depth: Their Apple ecosystem expertise is particularly strong. Deep HealthKit implementations, watchOS development capabilities, fitness tracker data synchronization, and the kind of health data visualization that actually makes sense to end users. They understand the nuances of background data collection, battery optimization for continuous monitoring, and the UX patterns that keep users engaged with wearable-connected apps over time.

Notable HealthTech Projects:

• CHARM-COPD: A remote patient monitoring platform that doesn't just collect data but helps clinicians detect and predict COPD exacerbations before they become emergencies.
• Halterix: Motion recognition via smartwatch that evaluates patient exercise data and shares it with practitioners. Real-time biomechanical assessment through consumer wearables.
• The BEAM Program (University of Manitoba): Digital mental health support with family-wide tracking.

Why They Made This List: Pure mobile focus. While competitors offer full-stack enterprise services (we'll get to those), MindSea's singular expertise in mobile health product development translates to better mobile experiences. If you're building a consumer-facing wearable app where user experience determines adoption, their specialization matters. They won't get distracted by backend sprawl or database optimizations - they stay laser-focused on the mobile product.

Best Fit For: Consumer wellness apps, patient-facing monitoring tools, startups that need beautiful mobile experiences with seamless wearable integration. Less ideal for complex enterprise EHR integrations or multi-platform systems.

2. ScienceSoft: Enterprise healthcare with three decades of delivery

Headquarters: McKinney, Texas, USA (global offices)

Company Size: 750+ IT professionals | Founded: 1989 (healthcare IT since 2005)

Core Services: ScienceSoft provides full lifecycle healthcare IT solutions with a particular strength in FDA-cleared medical device software. When you need not just an app but supporting infrastructure, regulatory submission support, and long-term maintenance, their breadth of capability becomes relevant.

Wearable Integration Expertise: Comprehensive technical stack covering Apple HealthKit, Google Fit/Health Connect, BLE connectivity, and custom motion capture algorithms. But what distinguishes them is implementation of FHIR, HL7, and DICOM standards for clinical data interoperability. They architect cloud infrastructures specifically optimized for continuous wearable data streams, the kind of setup that handles millions of data points per day without falling over.

Notable HealthTech Projects:

• AKLOS Health: Custom motion capture IoT rehabilitation platform measuring joint range-of-motion. Medical-grade accuracy through consumer device frameworks.
• VitalOp Wellness: Physiotherapy platform using wearable sensors to measure joint motion range and assess therapy progress.
• bioAffinity Technologies: Desktop app for lung cancer detection with diagnostic reports based on analysis of flow cytometry data

Recognition That Means Something: Triple ISO certification (ISO 13485 for medical devices, ISO 27001 for security, ISO 9001 for quality). Named in Healthcare Technology Report's Top 25 Healthcare Software Companies of 2025 and the 2024 SPARK Matrix for Healthcare IT Services Leaders. These aren't vanity awards - they're operational certifications that matter for regulated device software.

Why They Made This List: Structure and regulatory experience. If you're building something that needs FDA clearance, CE marking, or operates at enterprise scale with serious liability exposure, ScienceSoft brings the process maturity and documentation discipline that makes regulatory submissions possible. They're not built for lean MVPs, but for systems that must work reliably under regulatory scrutiny.

Best Fit For: Medical device software, enterprise healthcare systems, products requiring FDA/CE clearance, organizations that value process over speed. Probably too heavy for early-stage startups trying to validate market fit quickly.

3. Momentum: Healthcare-only agency pioneering open wearables infrastructure

Headquarters: Wrocław, Poland

Company Size: 50-150 specialists | Founded: 2016 (rebranded from Applover in 2024)

Core Services: Momentum develops AI-powered digital health platforms, clinical decision support systems, and end-to-end healthcare applications. But what distinguishes us is exclusive healthcare focus since pivoting in 2020 when we walked away from other verticals to specialize deeply in health.

Wearable Integration Expertise: Unified data integration across 200+ wearable devices including Apple HealthKit, Garmin Health API, Fitbit, Oura, Whoop, and Strava. But the real story is their December 2025 launch of Open Wearables: an open-source, self-hosted platform that normalizes raw wearable data into AI-ready schemas. This MIT-licensed project addresses the biggest pain point in wearable integration: vendor lock-in from proprietary SaaS aggregators. Instead of paying monthly fees to yet another middleman, teams can self-host a solution that maintains HIPAA compliance while eliminating recurring costs.

This is infrastructure work, not product features. By contributing Open Wearables to the ecosystem, Momentum is betting on a future where wearable data flows more freely, which benefits everyone building in this space, not just their clients.

Notable HealthTech Projects:

• Steppie: Platform converting physical activity into insurance benefits by tracking daily movement.
• Caily: Family caregiver platform with EHR integration
• Egis Pharmaceuticals: Flutter-based medication tracking application
• Zdroveno: AI-powered platform enhancing senior wellbeing through smart health monitoring.

Recognition That Means Something: ISO 13485 certification for medical device software quality management (rare among development agencies). Financial Times FT1000 in 2023 and 2024. Forbes Diamond Award 2023. Clutch rating of 4.9/5.0 across 45 verified reviews.

Why We Made This List: Healthcare-exclusive specialization combined with substantial open-source contributions. We're not trying to serve every industry, we're doubling down on health. The Open Wearables project, FHIRboard analytics, and Terraform HealthStack represent real technical leadership in infrastructure that matters for wearable integration at scale. When you work with Momentum, you're working with a team that chose to focus on healthcare's hardest problems instead of chasing easier revenue in other sectors.

Best Fit For: Digital health startups serious about wearable integration, teams building AI-powered health platforms that need normalized device data, organizations wanting to avoid vendor lock-in from proprietary aggregation services. Strong option for European teams who value ISO 13485 compliance.

4. Topflight: Stanford-partnered FDA pathway specialist

Headquarters: Austin, Texas, USA

Company Size: Boutique (35+ experts) | Founded: ~2010

Core Services: Topflight provides healthcare and fintech mobile development with focused expertise in AI-driven clinical automation, remote patient monitoring, and EHR integration (Epic, Athena, Cerner). Their boutique size means direct access to senior developers and strategic guidance - you're not getting staffed with junior resources on rotation.

Wearable Integration Expertise: Continuous glucose monitor (CGM) integration expertise particularly distinguishes them in the medical wearable space. Beyond consumer fitness trackers, they work with FDA-cleared medical devices requiring more rigorous data handling. Proven Apple HealthKit and Google Health Connect implementations, including HIPAA-compliant dashboards that integrate wearable data for clinical research. Their edge computing capabilities for real-time wearable analytics show technical depth beyond simple API calls.

Notable HealthTech Projects:

• Stanford Medicine (iFaint study): HIPAA-compliant dashboard integrating HealthKit and Google Fit data for cardiac syncope research.
• Dedica Health/Heart Medical Group: Remote patient monitoring platform monitoring 1,100+ patients daily with certified sensors.
• Walker Tracker: Wearable wellness platform (acquired by Terryberry).

Recognition That Means Something: Named to Clutch's 2025 Best-of Awards Top 5 for web development. Published comprehensive 2025 wearable integration guides indicating thought leadership and knowledge sharing with the broader community.

Why They Made This List: Academic medical center partnerships signal capability to meet research-grade requirements most development shops can't handle. The Stanford collaboration matters because academic medicine has higher data integrity standards, IRB oversight, and publication requirements than typical commercial projects. If they can satisfy Stanford's rigor, they can handle most regulated environments. Their focus MVP development starting at ~$40K also makes them accessible for healthcare startups who need quality but don't have enterprise budgets.

Best Fit For: Healthcare startups pursuing FDA clearance, medical device companies needing mobile companion apps, clinical research applications, teams integrating medical-grade (not just consumer) wearables. Their boutique size may limit bandwidth for massive enterprise projects but excels for focused, high-quality implementations.

5. Appinventiv: Enterprise scale with proven wearable delivery

Headquarters: Noida, India (offices in USA, UK, UAE, Australia)

Company Size: 1,500+ employees | Founded: 2014

Core Services: Healthcare mobile app development, wearable app development, telemedicine platforms, AI/ML healthcare solutions, and IoT connected device applications at enterprise scale with global delivery capabilities.

Wearable Integration Expertise: Appinventiv has twenty-five completed wearable projects across Apple HealthKit, Google Fit, Samsung Health, Apple Watch, Android Wear, smart rings, and smart apparels. Implements HL7, FHIR, DICOM, and XDS standards for clinical interoperability. Their biometric data tracking and multi-vendor wearable ecosystem integration experience spans the full consumer and medical-grade device spectrum.

Notable HealthTech Projects:

• DiabeticU: AI-powered diabetes management with wearable integration
• Soniphi: Personal wellness app using vocal biomarkers for diagnostics.
• YouCOMM: Hospital communication platform

Recognition That Means Something: Deloitte Technology Fast 50 winner in 2023 and 2024. Times Business Awards Tech Company of the Year 2023. The combination of 1,500+ developers and 3,000+ digital assets delivered provides bandwidth for complex enterprise wearable implementations that smaller shops simply can't staff.

Why They Made This List: Scale matters when you need it. If you're a large healthcare organization rolling out wearable integration across multiple product lines, geographies, or patient populations, you need a partner who won't bottleneck on resourcing. Appinventiv's global presence means they can staff teams quickly, support multiple time zones, and handle simultaneous workstreams. Their competitive pricing (India-based development with Western project management) makes enterprise-scale projects more accessible.

Best Fit For: Large healthcare organizations, multi-market deployments, organizations needing significant development bandwidth, projects requiring round-the-clock development cycles. May feel too process-heavy for small startups wanting rapid iteration.

6. Dogtown Media: mHealth pioneer with proprietary device expertise

Headquarters: Venice Beach, California, USA

Company Size: Boutique agency | Founded: 2011

Core Services: mHealth app development, FDA 510(k) pathway support for medical device software, remote patient monitoring, healthcare IoT solutions, and HIPAA-compliant development. Boutique focus exclusively on mHealth and IoT.

Wearable Integration Expertise: Widest proprietary SDK coverage we've seen, including Oura, Whoop, Garmin, Fitbit, Omron HeartGuide, smart textiles, and FDA-cleared medical wearables. Deep BLE connectivity expertise, cross-platform mobile/wearable synchronization, and encrypted transmission to HIPAA-compliant cloud systems. Their work with proprietary device SDKs (not just public APIs) shows relationships with device manufacturers and access to deeper integration capabilities than standard consumer APIs provide.

Notable HealthTech Projects:

• Minneapolis Heart Institute: Cardiovascular emergency protocols application for clinical use.
• National Sleep Foundation: Sleep health study application
• Google (Train Up app), Harvard Medical School, United Nations, Biotronik

Recognition That Means Something: Regulatory pathway expertise for Class I, II, and III medical devices with ISO 13485-aligned design controls. Named Top Wearable App Developer 2020 and included in Inc. 5000 fastest-growing companies.

Why They Made This List: Proprietary SDK expertise and FDA pathway support. Most agencies can integrate HealthKit and Google Fit, and those are well-documented public APIs. Dogtown Media's access to proprietary device SDKs from Oura, Whoop, Omron, and medical wearable manufacturers represents relationships and technical depth that boutique shops typically can't replicate. If your product requires deep integration with specific proprietary devices, their established vendor relationships matter.

Best Fit For: Medical device companies needing FDA-compliant companion apps, products integrating proprietary wearable SDKs, startups pursuing regulatory clearance for wearable-connected medical software. Their boutique nature provides senior attention but may limit concurrent project capacity.

7. Intellectsoft: Fortune 500 enterprise healthcare partner

Headquarters: Palo Alto, California, USA (global offices)

Company Size: 400+ employees | Founded: 2007

Core Services: Enterprise healthcare IT solutions, EHR/EMR systems, telemedicine platforms, practice management software, and IoT healthcare solutions. Digital transformation partner for large healthcare organizations operating at institutional scale.

Wearable Integration Expertise: Wearable technology integration for hospital IoT ecosystems, real-time health monitoring via portable devices, RFID asset management systems, and cloud-based health data processing. Fitness and wellness app development with wearable synchronization capabilities. Their focus skews toward institutional deployments rather than consumer apps.

Notable HealthTech Projects:

• XMED: Mobile ecosystem that helps users diagnose health issues using AI and social networking.
• Knee Pads: Software reporting data from smart devices designed to collect pressure and time data
• Transplant Hero: Interactive alarm system that notifies its users when it is time to take their medication

Recognition That Means Something: ISO 27001 certified with deep Fortune 500 client relationships. Named to Business of Apps Top Development Companies 2025. Their expertise centers on complex hospital system integrations where security and compliance requirements are paramount.

Why They Made This List: Enterprise scale and institutional trust. If you're a large provider organization, health system, or established healthcare company integrating wearables into existing enterprise infrastructure (EHRs, data warehouses, clinical workflows), you need a partner who understands hospital IT departments, procurement processes, multi-year roadmaps, and the political realities of enterprise software adoption. Intellectsoft operates comfortably in that environment.

Best Fit For: Large healthcare organizations, hospital systems, enterprises integrating wearables into existing clinical infrastructure. Not optimized for startups needing lean validation or rapid consumer product iteration.

Conclusion

Wearable integration in 2025 is infrastructure, not features. The companies worth working with understand data pipelines, normalization challenges, clinical context, regulatory requirements, and the operational realities of maintaining wearable-connected systems at scale.

This list prioritizes delivery competence over marketing claims. We selected partners who've shipped production systems, navigated regulatory pathways, and built infrastructure that stands up under real-world use. Whether you're a startup validating product-market fit or an enterprise deploying at scale, one of these seven offers genuine capability in wearable integration that goes beyond basic API calls.

The space keeps evolving. Google Fit sunsetting, proprietary device proliferation, AI integration opportunities, and regulatory changes mean wearable integration requirements will look different in 2026 than they do today. The best partners are the ones already building for that future, contributing to open-source infrastructure, publishing technical guides, and treating wearable integration as the strategic architectural decision it actually is.