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Wearable App Development Services for Watch Apps Built Around a Glance

For product teams adding an Apple Watch or Wear OS app to their phone app: watch features people use in a glance, tested on real watches. From $1,350.

  • 1tap

    Key actions from the wrist

  • 100%

    Flows tested on real watches

How your project runs

page.jsx123456TERMINAL$ npm run buildCompiled successfullyyourapp.comLive

Teams we have built for:

  • Amazon Web Services
  • HubSpot
  • Linode
  • Microsoft Azure
  • Moodle
  • Magento
  • Oracle
  • Salesforce
  • SAP
  • Squarespace
  • Weebly
  • WP Engine
  • Google Cloud
  • DigitalOcean

The Problem

A Phone App Squeezed Onto a Watch Is Not a Watch App

Wearable projects go wrong when the phone app gets shrunk onto a tiny screen. Watch users give you seconds, not minutes, and the battery sets the budget for everything.

  1. 01 · Shrunk screens

    The watch app copies phone screens that are too small to use.

    We design for the glance: a complication, tile, or one-tap notification first.

  2. 02 · Battery drain

    Nonstop sensor reads drain the watch before the day ends.

    Each feature gets a battery budget, measured on real watches before release.

  3. 03 · Dead ends

    Notifications arrive with no action, so users grab the phone anyway.

    Notifications carry actions, so users reply, confirm, or snooze from the wrist.

  4. 04 · Sync gaps

    Data goes stale when the phone is out of range.

    We cache on the watch and sync through WatchConnectivity or the Data Layer.

Your watch app opens to a scrolling list that worked fine on the phone. Users squint, tap the wrong row, and give up before the data arrives from the phone. A workout feature reads the heart rate sensor nonstop and drains the watch by lunchtime. Notifications arrive with no action, so people still pull out their phone. A month later the watch app sits unused, and the one-star reviews mention battery.

We start from the glance: the one thing a user wants from their wrist in a few seconds. That becomes a complication, a tile, or a notification with an action, and the app screens support it. Each feature gets a battery budget, measured on real watches. Your users check the watch instead of reaching for their phone.

  • Glance-first design

    Complications, tiles, and actionable notifications come first, and full screens support them, not the other way round.

  • Battery budget per feature

    Sensor reads, network calls, and screen updates measured on real watches before each release.

  • Health data with consent

    HealthKit and Health Services data read only with clear permission prompts, for wellness features, not diagnosis.

Our Wearable App Development Process

From Wrist Moment to Watch Release in Five Steps

Smart watch app development starts with what belongs on a wrist. You try each build on your own watch and approve it before the next step begins.

  1. On a free call, we look at your phone app and pick the moments that belong on a wrist: a timer, a status, a quick reply. You get a shortlist of watch features and a fixed quote for the prototype.

What's Included

What You Get With Our Smart Watch App Development

Watch screens, complications and tiles, phone sync, health and workout data, actionable notifications, and a release alongside your phone app, all tested on real watches.

  • Watch app screens

    SwiftUI screens for Apple Watch or Compose for Wear OS screens, sized for small displays and quick taps.

  • Complications and tiles

    Watch face complications and Wear OS tiles that show your key number and open the right screen in one tap.

  • Phone and watch sync

    WatchConnectivity on Apple Watch and the Data Layer API on Wear OS, with caching for when the phone is away.

  • Health and workout data

    Heart rate, steps, and workout sessions through HealthKit or Health Services, with the permission prompts each platform requires.

  • Actionable notifications

    Notifications with reply, confirm, or snooze actions, so users finish the task without reaching for their phone.

  • Store release and support

    A release alongside your phone app, final testing on real watches, and 30 to 60 days of support.

Compare Options

DeveloperLook vs a Phone-Only Agency vs a Freelancer

A phone-focused agency may already know your codebase, and a freelancer can be cheaper for one small watch feature. Here is where each option breaks down on watch-specific work.

DeveloperLook
Phone app agency
Watch-first design
DeveloperLook: Glance and complications firstPhone app agency: Phone screens scaled down
Battery testing
DeveloperLook: Budget per feature, real watchesPhone app agency: Often simulator only
Platforms covered
DeveloperLook: Apple Watch and Wear OSPhone app agency: Usually one
Your phone app code
DeveloperLook: Reviewed in week onePhone app agency: Known if they built it
Health data permissions
DeveloperLook: Built to each platform's rulesPhone app agency: Varies
Cost of one small feature
DeveloperLook: From $1,350Phone app agency: Agency minimums apply
Release handling
DeveloperLook: Ships with your phone appPhone app agency:
Code ownership
DeveloperLook: Your accounts and repoPhone app agency: Usually yours

Projects We've Built

Fitness, wellness, travel, and food delivery phone apps, shown for their flows. A workout, a trip update, or an order status is often the next step on a wrist; these are not watch app case studies.

What Our Clients Say

What Clients Say After Launch

Feedback from teams we have built mobile and web products for.

We had a pretty specific idea of what we wanted our website to become, but I wasn’t sure how easily we could explain all of it to a development team. There were quite a few moving parts, and we were working toward a deadline, so I expected a few things to get lost along the way. That never really happened. They understood what we were trying to achieve, kept us updated throughout the process, and got everything ready within the agreed timeline. The final site feels much easier to navigate, works beautifully on mobile, and is noticeably smoother for our customers. It was a huge relief seeing the original idea actually turn into the website we had in mind.

Michael BennettFounder & CEO of Northbridge Consulting01 / 03
  • 1,250+

    Projects shipped

  • 10+

    Years of experience

  • Top 3%

    Upwork Top Rated Plus

  • 5 stars

    Average review score

Want results like these?

Tell us what you are building. You get a reply within 24 hours on business days, then a written estimate.

Work Culture

Why Product Teams Trust Us With Their Watch App

Watch apps succeed when they respect the wrist: a few seconds of attention, a small battery, and a phone that may be in another room. These habits keep yours useful.

  • Designed for seconds

    We plan every watch feature around a glance of a few seconds. If a task needs a long form or a scrolling list, it belongs on the phone, and we'll say so.

  • Battery measured, not guessed

    We profile sensor use, network calls, and screen updates on real watches before release. Simulators don't drain batteries, so they can't show what your users will feel.

  • Real watches on real wrists

    We test on Apple Watch and Wear OS hardware, small and large cases, with the phone out of range. Sync gaps only show up when the phone is in another room.

  • Health data handled carefully

    We request health permissions only for features that need them, with plain-language reasons. We build wellness features and won't present them as medical tools.

  • Your accounts and signing keys

    The watch app ships under your Apple and Google developer accounts, signed with your keys. If another team takes over later, they inherit a clean handover.

  • Honest about watch value

    Some apps gain little from a watch version. If a good phone notification covers the moment, we'll tell you before you pay for a watch build.

Overview

What do wearable app development services include?

DeveloperLook provides wearable app development services for Apple Watch and Wear OS apps that people use in a glance. We build complications, tiles, watch screens, phone sync, and health or workout features. Prices start at $1,350, companion apps launch in 6 to 10 weeks, and every flow is tested on real watches.

DEVELOPERLOOK

Project facts · Wearable App Development Services

Service
Wearable App Development Services (watch screens, complications, phone sync, health data)
Typical timeline
Prototype in 2 weeks, companion apps in 6 to 10 weeks, both platforms in 10 to 16 weeks
Platforms
Apple Watch (watchOS) and Wear OS watches
Built with
Swift, SwiftUI, Kotlin, Compose for Wear OS, HealthKit, and Health Services
Experience
10+ years of development experience and 1,250+ shipped projects
Post-launch support
30 or 60 days after launch, depending on plan
Communication
Calls in US, UK, and AU business hours
Starting price
From $1,350 USD, fixed scope after a glance prototype

Reviewed 8 Oct 2026 by Saimul Islam

Good fit

  • Fitness and wellness apps

    Your users track workouts on their phone, and they keep asking why they can't start, pause, and log a session from their watch.

  • Delivery and booking apps

    Your customers check order or booking status again and again, and a watch notification with one action would save them reaching for the phone each time.

  • iPhone-first products

    Your audience is mostly on iPhone, and you need an Apple Watch app development company that knows WatchConnectivity, HealthKit, and complications.

  • Buyers comparing watch app vendors

    You're comparing wearable app developers and want a wearable app development company that talks about battery and complications before screens.

  • Agencies with watch requests

    Your client wants their app on Apple Watch and Galaxy Watch, and you need wearable devices app development delivered under your brand.

Not a fit

  • No phone app yet

    You don't have a phone app yet, and most watch features lean on one. Our Mobile App Development Company page covers the phone app first.

  • Screens not designed

    You want watch and phone flows tested with real users before any code. Our Mobile App Design Services page handles that stage first.

  • Medical device features

    Your watch app would diagnose or treat a medical condition, which may need regulatory clearance. We build wellness and fitness features, not regulated medical devices.

  • Budget under $1,350

    Your budget is under $1,350, or a good phone notification already covers the moment. If it does, we'll tell you before we quote.

Not sure we're the right fit?

Book a free call or message us. We'll tell you honestly whether we're the right team.

Pricing

Transparent Starting Prices for Wearable App Development Services

These are starting points in USD. Your final price depends on the watch platforms, standalone mode, and health data, and you get a fixed proposal after a free wrist review.

$2k$4k$6k$8k$10k$1,350$3,900$7,800

For teams that want one watch feature proven on a real wrist before committing to a build. About 2 weeks.

$1,350one-time, USD

Get a fixed quote
  • One glanceable flow on Apple Watch or Wear OS
  • A complication or tile with a one-tap action
  • Battery check for your feature on a real watch
  • Companion or standalone recommendation
  • Fixed price for the full watch app

Recommended

For a watch app on one platform that works alongside your phone app. About 6 to 10 weeks.

$3,900one-time, USD

Get a fixed quote
  • Everything in Glance Prototype
  • Up to 6 watch screens on one platform
  • Phone sync with caching for offline moments
  • Notifications with reply or confirm actions
  • Health or workout data with permission prompts
  • Release with your phone app and 30 days of support

For products that need Apple Watch and Wear OS, including use without the phone. About 10 to 16 weeks.

$7,800one-time, USD

Get a fixed quote
  • Everything in Companion Watch App
  • Apple Watch and Wear OS versions
  • Standalone mode with its own sign-in and network
  • Workout sessions that keep running in the background
  • Complications and tiles on both platforms
  • 60 days of post-launch support

For Agencies

White-Label Wearable App Development for Agencies

You keep the client relationship. We supply the watch engineering in the background: Apple Watch and Wear OS apps that ship with your client's phone app, under their developer accounts and your brand.

How the partnership works

White label: your client only ever sees your brand

  • Your client
  • You, the agency
  • DeveloperLook
  1. Share the brief

    Send the phone app, the watch moments you want, and the deadline.

    1. Client needs
    2. You share the details
    3. Details received
  2. We prototype first

    You get a working glance on a real watch and a fixed price to resell.

    1. Scope and plan
    2. Proposal to resell
    3. Your quoteYOUR LOGO
  3. Build and hand off

    We ship with your client's phone app and hand over the code and keys.

    1. Done by our team
    2. Your brand on it
    3. Handed to your clientDone
  • Stay client-facing

    Watch apps ship under your client's store accounts and signing keys.

  • Predictable delivery

    A working watch prototype in about two weeks, then sprint builds.

  • Senior watch engineers

    SwiftUI, Compose for Wear OS, and sync work from experienced developers.

  • Flexible capacity

    Add a watch app to a phone app your team already built.

The Right Technology for Your Project

Technology Stack

Native watch toolkits from Apple and Google, the sync layer between watch and phone, and the testing and release tools both watch platforms need.

    • Swift
    • watchOS
    • Xcode
    • HealthKit
    • Kotlin
    • Jetpack Compose
    • Wear OS
    • Android Studio
    • Firebase logoFirebase
    • Node.js logoNode.js
    • GraphQL logoGraphQL
    • PostgreSQL logoPostgreSQL
    • Sentry
    • Fastlane
    • GitHub Actions
    • Google Play Console

FAQ

Frequently Asked Questions

Straight answers on wearable app costs, timelines, supported watches, battery life, and health data.

  • Wearable app development at DeveloperLook starts at $1,350 for a glance prototype: one watch feature running on a real watch. A companion app on Apple Watch or Wear OS starts at $3,900. Covering both platforms, with standalone use and background workouts, starts at $7,800. You get a fixed price after the prototype, before the full build starts.

  • A companion watch app takes about 6 to 10 weeks on one platform, including a 2-week prototype. Covering Apple Watch and Wear OS with standalone mode takes 10 to 16 weeks. Your phone app's release schedule matters too, because a companion watch app usually ships in the same submission.

  • A wearable app is software that runs on a device you wear, most often a smartwatch such as Apple Watch or a Wear OS watch. It shows small, glanceable information: a complication on the watch face, a tile, or a notification with an action. Many wearable apps pair with a phone app, and some run on their own.

  • Wearable app development is designing and building software for smartwatches around tiny screens, short sessions, and a small battery. On Apple Watch that means SwiftUI, WatchConnectivity, and HealthKit. On Wear OS it means Compose for Wear OS, tiles, and the Data Layer API. Good wearable application development starts from the moment someone glances at their wrist.

  • We build for Apple Watch and for Wear OS watches, which include Samsung Galaxy Watch and Google Pixel Watch models. Garmin watches use their own Connect IQ SDK and Monkey C language, so we scope them separately after a review. Fitness bands without an app store of their own are usually reached through the phone instead.

  • Only if your users leave the phone behind, such as runners, swimmers, or staff on a site. A companion app is simpler and cheaper, because the phone handles sign-in, network, and heavy work. Standalone apps need their own sign-in, network handling, and storage on the watch. We settle this in the prototype, before you pay for either.

  • We set a battery budget for each feature, then measure it on real watches before release. Watch batteries drain fastest from frequent screen updates, constant sensor reads, and network calls. We batch updates, follow each platform's refresh schedule for complications, and run background sessions only during a workout. Simulators don't show drain, so real devices decide.

  • Yes, with the user's permission: Apple Watch apps read health data through HealthKit, and Wear OS apps through Health Services. Each data type needs its own permission, and both Apple and Google review how apps use health data. We build wellness and fitness features; apps that diagnose or treat conditions may need regulatory clearance first.

  • Look for a wearable device app development company that tests on real watches, raises battery concerns early, and shows released apps. Ask how they would split work between the watch and the phone, and whether they have handled health permissions before. Check that store accounts, signing keys, and code stay in your name.

  • Every plan includes 30 or 60 days of support after launch, covering crash fixes and store review questions. watchOS and Wear OS get major updates every year, so a watch app needs ongoing upkeep; our App Maintenance Services plans cover that monthly. The code, signing keys, and store listings stay in your name throughout.

Saimul IslamFounder & CEO, DeveloperLook

Still have questions?

Send a message or book a call with the team.

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