Wearable App Development
Wearable App Development Built for Real-world Use
A wearable app only delivers holding up on a tiny screen, a small battery and a flaky connection. Our wearable app development covers the app, the sensor-data integration and the cloud behind it as one build. First we scope the platforms, data and user. Then comes app design, build and test.
One Partner, App to Cloud
Get the app, the sensor-data integration and the cloud built by one team. No hand-offs between separate app, firmware and backend vendors.
Built for the Wrist, Not the Desktop
We design for tiny screens, short battery life and intermittent connectivity from the first sprint. The app stays fast and reliable where people use it.
MedTech-Grade
Where It Counts
Where the app is a medical device, we build to EU MDR and IEC 62304. Where it is not, you still get the same engineering discipline.
How our Wearable App Development Works at punktum
1. Discovery
and Platform Scoping
We scope the target wearables, the platforms, the data and the user. This sets the app architecture and where processing runs on-device or in the cloud.
2. UX and Interaction Design
We design the flows and screens for a small display and quick glances. Interaction is shaped around how and where the device is worn, from the wrist to the ear.
3. App & Data Integration
Build
We build the app and wire in the sensor and device data in working sprints. You see a running app on real hardware rather than mockups at every step.
4. Testing and
Validation
We test the app on real devices for function, battery, connectivity and security and cover the fragmentation across platforms and OS versions. Where it is a medical device, validation follows IEC 62304.
5. Release, Store Submission
and Ongoing Support
We submit to the App Store, Play Store and support the app after launch. Updates, monitoring, new-OS compatibility and new device support are handled as they come and hand the app over or keep running it for you.
Industries We Build Wearable Apps for
The same engineering applies across sectors. These are the areas where we have built and shipped wearable apps.
1. Healthcare and Digital Health
We build patient and clinician apps for wearables that monitor and support health, from remote monitoring to companion apps. Where the app is a medical device, we engineer it to EU MDR and IEC 62304.
3. Consumer and Preventive Wellness
We build fitness, sleep and wellbeing apps for consumer wearables and smart rings, from daily activity to recovery. They are fast, engaging and honest about what the data can and cannot say.
2. Sports and Fitness
We build training and performance apps that turn movement and biometric data into insight. Athletes and coaches get feedback that holds up in the field, session after session.
4. Enterprise and Industrial
We support workforce wearables for safety, hands-free workflows and asset tracking. Rugged apps and hearables built for the field, from the warehouse to the plant floor.
What Wearable Apps We Develop
Wearable app development covers more than the app on the watch. Depending on your product, we deliver across the following. See our capabilities in detail.
Cross-platform
Wearable Apps
We build the apps that run on watchOS and Wear OS and the companion phone app that pairs with them from one codebase.
Sensor and Data Integration
We integrate the sensor and device data, from BLE and health APIs to Garmin, Fitbit and Apple Health with reliable readings.
Companion Cloud & Sync
We build the cloud, the APIs and the offline sync that keep the app and its data reliable across devices, even with connection drops.
Clients We’ve Already Worked With
Wearable Types We Build Apps for
From the wrist to the ear to the field, we build apps for the wearables people already use.
Smartwatches and Fitness Trackers
Apps for watchOS, Wear OS, Garmin and Fitbit, from running and swim tracking to specialised health smartwatches.
Health and Body Sensors
Companion apps for medical monitors, patches and body sensors that read vitals such as heart rate, ECG and SpO2.
Hearables and Smart Audio
Apps for earbuds and hearables that add audio, voice and health tracking on the ear, with hands-free control on the move.
Smart Rings, Bracelets and Jewellery
Apps for rings and bracelets that track activity and sleep or handle contactless actions, in a form factor people barely notice.
Smart Glasses and AR/VR
Apps for smart glasses and headsets, from heads-up information to immersive AR and VR, for training, field and remote work.
Smart Clothing, Footwear and Cameras
Apps for sensor clothing, connected footwear and body-worn cameras built for sport and the field, where conditions are not ideal.
Solve Development Challenges
Wearable apps fail in predictable ways. Challenges we have already solved.
Battery Drain That Kills the App
A wearable app that drains the battery gets deleted fast. We profile and tune power use so the app lasts through the day.
Fragmented Platforms and SDKs
watchOS, Wear OS, Garmin and Fitbit each work differently. We share what we can and handle each platform on its own terms.
Sensor Data You
Cannot Trust
Raw sensor readings are noisy and drift over time. We clean, calibrate and validate the data before the app acts.
Syncing That
Loses Data
Dropped connections should never lose a workout or reading. We build offline buffering and background sync so nothing is lost.
App Review That
Blocks a Launch
Health claims and data handling can stall an app-store review. building to platform and privacy rules makes approval no surprise.
Wearable Apps We Have Delivered
What Clients Think About our Wearable App Development
CaReHigh
Prof. Dr. med. Winfried März & Prof. Dr. Felix Fath
Stealth Wearable
Alexandra E., Founder
DiaperID
Prof. Dr. med. Philip BuflerWhy punktum for Wearable App Development
Wearable app development sits between design, engineering and data. We bring all three together in-house, so your app comes from one partner.
Full-Stack Wearable Engineering
We field 120+ engineers across apps, embedded and cloud, so your app is built by people who know the device. No hand-offs between app, firmware and backend vendors.
Garmin Health and Wearable Data
We are in the Garmin Health developer programme and integrate the major wearable and health-data platforms. Your app talks to the devices your users already wear.
Proven Wearable App Delivery, ISO 27001
We have shipped wearable apps from smart collars to companion mask apps and movement tracking. We are ISO 27001 certified, EU-hosted and CET-aligned.
Our Wearable App Development Capabilities in Detail
The three areas above rest on five core capabilities. Here is what each one covers and where it earns its place in a wearable app.
1. Cross-platform App
Development
We build the app for watchOS and Wear OS and the companion phone app that pairs with it.
- One shared codebase covers the platforms where it fits, native where it does not.
- The result is one app that feels right on every device it runs on.
2. UX for
Wearables
We design the flows and screens for a tiny display and glance-length attention.
- Interaction fits how and where the device is worn, from the wrist to the ear.
- The app earns a place on the body and not just on the screen.
3. Sensor and Data
Integration
We integrate the sensor and device data the app depends on.
- We connect to BLE devices and health platforms such as Apple Health, Google Fit and Garmin Health.
- Raw readings are cleaned and validated before the app acts on them.
4. Cloud, Sync
and APIs
We build the cloud, the APIs and the data model behind the app.
- Offline buffering and background sync keep data safe when the connection drops.
- The app and its data stay consistent across phone, wearable and cloud.
5. Security, Privacy
and Compliance
We build security into the app, from encrypted storage to authentication and secure transport.
- Health data is handled the GDPR-aligned way. Where the app is a medical device we build to EU MDR and IEC 62304.
- For the wearable hardware itself, see our Wearables and Custom Hardware service.
Our Wearable App Development Technology Stack
Wearable app development spans the whole product: the on-device app, the connectivity and the cloud behind it. We build across every layer in-house.
Wearable Platforms
- watchOS
- Wear OS
- Fitbit SDK (Google Health API)
- Tizen (Wear OS)
- ARKit / ARCore
App Development
- Swift
- Kotlin
- Java
- React Native
- Flutter
- JavaScript / TypeScript
Connectivity and Sensors
- Bluetooth Low Energy
- BLE Mesh
- Wi-Fi
- NFC
- PPG / IMU sensors
- GPS
Backend, Cloud and Sync
- AWS (EU-hosted)
- Azure
- REST / GraphQL APIs
- Offline / background sync
- OTA updates
- Push notifications
Data and Integration
- HL7 / FHIR
- Apple Health (HealthKit)
- Google Fit (Health Connect)
- Garmin Health API
- SQL / databases
Standards and Compliance
- EU MDR
- IEC 62304
- ISO 13485 / ISO 14971
- IEC 62366 (usability)
- ISO 27001 / GDPR
Your FAQs on Wearable App Development
Q1: What platforms do you build wearable apps for?
A1: We build wearable apps for watchOS and Wear OS and the companion iOS and Android apps that pair with them. We also work with platform SDKs such as Garmin and Fitbit where a device needs it. The right mix depends on your target devices and users, which we scope first.
Q2: Can you build the whole app, or join our team?
A2: We can build the whole app end to end or slot into your team for a specific part, such as the wearable layer or the data integration. When we build the whole stack, the app, the device data and the cloud are owned by one team. When we join an existing effort, we fill the gap that is holding the app back.
Q3: How do you handle wearable and health data?
A3: We integrate device and sensor data through BLE and platform APIs such as Apple Health, Google Fit and Garmin Health. Raw readings are cleaned and validated before the app uses them. Health data is stored the GDPR-aligned way, EU-hosted by default.
Q4: Is my app a medical device?
A4: It depends on what the app claims and does and not on the hardware it runs on. An app that measures or informs a clinical decision usually falls under EU MDR, while a general wellness app usually does not. We help you place it on that line early. Where it is regulated we build to EU MDR and IEC 62304.
Q5: How do you keep the app secure and private?
A5: We build security into the app, from encrypted storage and secure transport to authentication. Health and personal data is handled to GDPR, with EU hosting by default. Where the app is a medical device, security follows recognised medical-device guidance.
Q6: How do you handle battery and offline use?
A6: We profile power use and tune the app so it lasts through the day on a small battery. For connectivity, we build offline buffering and background sync so a dropped link never loses a reading. The app keeps working and syncs once it reconnects.
Q7: What happens after launch?
A7: We handle app-store submission for the App Store and Play Store, then support the app after release. That covers updates, monitoring, new-OS compatibility and new device support. We can hand over to your team with the documentation to run it, or keep running it for you.
