Mobile App Development Company in Seattle, WA

It depends on what the app does. Engineering-led companies in Seattle often have firm views on this, and both sides have a case.

Cross-platform frameworks such as React Native and Flutter let one team build for iPhone and Android from a single codebase. For apps that are mostly screens, forms, lists and calls to a server, which is most business and consumer apps, the result is indistinguishable from native to nearly all users, and costs considerably less to build and maintain.

Fully native development, in Swift for Apple devices and Kotlin for Android, is worth its cost where the app leans heavily on the device: continuous location tracking, Bluetooth hardware, advanced camera work, widgets and watch apps, or demanding graphics. A mixed approach is common, with native modules for the hard parts inside a cross-platform app. We recommend after understanding the product, and explain our reasoning.

To work with no connection and little battery. Hikers, climbers, skiers, paddlers and anglers use their phones for maps, routes, conditions and records, in places where there has been no signal for hours and the cold drains power.

Maps and route data are downloaded beforehand and stored on the phone. Location is recorded efficiently, since careless use of the positioning hardware will empty a battery by midday. Recording must continue reliably in the background, which both operating systems restrict and which takes care to get right. Trip records sync when the user is back in range.

Information about conditions, such as weather, snow, tides, river levels and trail reports, is fetched when possible and shown with the time it was last updated, so nobody mistakes old data for current. Such apps inform decisions that carry risk. They should be clear about their limits, and safety-critical claims are avoided. Reports and photographs from users need moderation.

With a great deal of testing on real hardware. The region has many companies making physical products with software inside: fitness equipment, audio gear, home devices, sensors, tools and instruments. The app is how the customer sets up and controls the product, and a poor one sinks good hardware.

Setup is the critical moment. The app must find the device, pair with it over Bluetooth, perhaps connect it to home Wi-Fi and confirm that it worked, with clear guidance when something goes wrong. Bluetooth behaves differently across phone models and operating system versions, and we test on a wide range.

Firmware updates delivered through the app must survive an interrupted connection without leaving the device unusable. Background communication is limited by the operating systems to protect battery life, and the design has to work within those limits. We work with your hardware engineers on the communication protocol. We do not build medical device software, including apps that control or read from regulated medical devices.

That health-related data needs explicit handling, even for companies that are not medical providers. Washington's consumer health data law covers information that identifies a person's past, present or future physical or mental health, and reads that broadly. A fitness tracker, a period tracker, a meditation app, a nutrition log or a sleep monitor all plainly collect it.

The law requires a dedicated health data privacy policy, consent before collection beyond what is needed to provide the service the user asked for, and separate consent before sharing. Selling such data needs a signed authorization. Individuals can ask for their data to be deleted, including from processors. The law also prohibits geofencing around facilities that provide health services for certain purposes, and gives individuals the right to sue.

For an app, this affects analytics and advertising tools above all, since many send data to third parties by default. We select tools carefully, build consent screens that are specific, and make deletion work throughout the system. Whether and how the law applies to your product is for your attorney to determine, and we build to that advice.

A group with several locations and daily regulars may. Seattle runs on coffee, and a customer who stops at the same cafe every morning is the ideal app user: frequent, habitual and glad to skip the queue.

The app lets them order ahead, pay with a saved card, collect rewards and reorder their usual in two taps. It must connect to the point of sale at each location so that orders appear on the counter's screen and menus, prices and availability are always right. A shop that is slammed should be able to pause mobile orders for a few minutes.

A single cafe is usually better served by its point of sale provider's ordering and loyalty features than by an app of its own. We will tell you honestly where your business falls. For those that do build, we keep notifications rare and useful, since an app that nags is deleted.

Apps that work on the water and on site. Vessel crews, marine surveyors, shipyard workers, utility crews and inspectors across the region work where connectivity is poor and conditions are wet and cold.

A vessel app holds maintenance tasks, logs, checklists for departure and safety drills, and records of inspections, completed offline and synced in port. A surveyor's app guides an inspection with photographs and notes and produces a report. Field crews for home services receive their jobs, record the work and take payment.

Design for these conditions means large touch targets usable with gloves, high contrast for bright light and rain on the screen, and as little typing as possible. Data entered offline must never be lost, and conflicts when two people edit the same record are resolved predictably. Records often have regulatory significance, so entries carry the time and the person, and changes are tracked. The office systems these apps report to are described on our custom software for Seattle page.

As an extension of their team. A Seattle startup may have excellent backend and infrastructure engineers and nobody who has shipped a mobile app. Mobile has its own craft: navigation patterns, offline storage, release management, store review and the many small behaviors users expect.

We take responsibility for the app while working against the interfaces your team provides, in your repository and under your review. We raise gaps in those interfaces early, since a mobile client often needs things a web client did not, such as pagination suited to slow networks or endpoints that return less data.

Releases are automated: every change is built and tested, and builds reach testers without manual steps. Crash and performance monitoring is in place before launch. If you later hire mobile engineers, they inherit a codebase with tests, documentation and a working release pipeline. For companies that only need a website, see web design for Seattle.

Apple and Google review every app and expect an accurate declaration of the data it collects, a reason for each permission, deletion of an account from within the app and, on Apple devices, consent before tracking across other companies' apps. Digital goods and subscriptions generally go through the stores' purchase systems. We prepare for review from the first design.

Accessibility matters to us and to this audience. We support screen readers, larger text sizes, sufficient contrast, reduced motion and control without fine gestures, and test with those features turned on. An app that works well for people with disabilities is nearly always better for everyone.

On privacy, we collect the minimum, explain it plainly and avoid third-party tools that take more than they need. Apps likely to be used by children fall under a federal children's privacy law. Location data deserves particular restraint: request it only when the feature needs it, and at the lowest precision that will do.

Discovery and prototyping take three to five weeks and produce a tested clickable design, a specification and an estimate. Development then runs in two-week sprints, each ending with a build on your phone through the stores' testing channels.

Testing covers a range of devices and, for outdoor, marine and hardware apps, real conditions: no signal, low battery, interrupted connections. We handle store submission and release in stages. A first release usually takes three to five months from the start of discovery.

Developer accounts are in your company's name and the code and all rights are yours. Apps need updating every year for new operating system versions, and we offer a monthly plan for that and for monitoring. We are based in Pune, India, and have no Seattle office. Calls are between 8 am and 9 am or between 5 pm and 7 pm Pacific. See also the Seattle overview and app development for US businesses.