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Mobile app development

Mobile apps your customers keep coming back to.

iOS, Android and cross-platform apps, scoped and designed with you, then built, tested and launched by one accountable team, from first sketch to the app store.

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Product scoping & design included Fixed fee, agreed in writing
Hand holding a phone with a dashboard app open, a desktop computer and laptop on the desk behind
What's included

Everything an app needs, from idea to store.

Scoping, design, build, sign-in, notifications and store release, handled by the same team that answers your calls.

Hand sketching app screen wireframes with a pen on paper 01

Product scoping

We map who the app is for, the jobs it has to do and what belongs in version one, then put it in writing.

  • Feature list agreed up front
  • A clear, launchable first version
Designer drawing app wireframes on a tablet with a stylus at a wooden desk 02

UX & interface design

Wireframes first, then polished screens you can tap through on your own phone before any code is written.

  • Clickable prototype
  • Your brand, colors and type
Several smartphones of different makes lying face down on a pale blue desk 03

iOS, Android & cross-platform

One shared codebase where it fits, native code where a feature needs it, tested on real devices.

  • iPhone and Android phones
  • Tablet layouts when you need them
04

Accounts & sign-in

Google sign-in and email login, with the same customer account working in your app and on your website.

  • Secure accounts
  • Shared with your website
05

Booking, payments & alerts

Customers book, pay and get reminders from their phone, with push notifications that bring them back.

  • Push notifications
  • Secure in-app payments
06

Store release & support

We prepare the store listings, submit for review and stay on for updates and fixes after launch.

  • App Store & Google Play
  • Updates after launch
Included as standardEvery app we build ships with:
  • Written scope
  • Clickable prototype
  • iOS & Android
  • Secure sign-in
  • Push notifications
  • Usage analytics
  • Store submission
  • Support after launch
How it works

From first sketch to the app store.

You see and test the app early, and every step is agreed with you before we move to the next.

  1. Scope it togetherA conversation about your customers and goals, then a written scope with deliverables, timeline and fee.
  2. Design & prototypeWireframes and polished screens you can tap through on your phone, refined with your feedback.
  3. Build & testWe build in short rounds, share test versions with you, and check it on real iPhone and Android devices.
  4. Launch & supportStore listings, review and release under your own developer accounts, then updates after launch.
Why SaltQuill

One accountable team, sketch to store.

No hand-offs between a design agency, a developer and a separate web team. The people who scope your app are the people who build and launch it.

Fixed fee, in writingScope, timeline and fee agreed before work begins.
Direct contactTalk to the people designing and building your app.
App and website togetherShared sign-in, bookings and customer data, so both stay in step.
Hand-drawn app screen wireframes colored in blue, purple and green watercolor
Industries it helps

Apps shaped around how your sector works.

Each industry edition shows the booking and intake flows that sector uses, and the same flows can live in your app.

Doctor talking with a patient across a desk in a bright clinic officeHealthcareAppointment booking, reminders and patient intake in an app patients keep on their phone.See the healthcare edition Black semi-truck parked on a rural road under a blue skyTransportRide requests, freight quotes and status updates for riders, shippers and drivers.See the transport edition Tennis player serving on a clay court, seen from aboveSportsMember apps for class and court booking, memberships and club updates.See the sports edition Electrician in a yellow hard hat working on wiring at a wall panelTradesQuote requests, job booking and scheduling that crews can use from the field.See the trades edition Friends sharing burgers, fries and roasted vegetables at a restaurant table, seen from aboveHospitalityReservations, order-ahead and event inquiries in your own branded app.See the hospitality edition Two professionals reviewing charts on a laptop at a meeting tableProfessional servicesClient portals for secure documents, updates and consultation booking.See the professional services edition
App development, explained

Mobile app development, from idea to app store.

How we approach application development for iPhone and Android, and what to decide before you build.

  1. Do you need an app, or a website?
  2. iOS, Android or cross-platform app development
  3. What mobile app development includes
  4. How app development is priced
  5. Apps that work with your website
  6. Apps by industry
  7. Your app, your accounts

Do you need an app, or a website?

Often a fast mobile website is enough, and we will tell you if it is. An app earns its place when customers come back often, need notifications, or use phone features like the camera, location or offline access.

If a website is the right first step, see our website design and development. Many businesses start there and add an app later that shares the same accounts.

iOS, Android or cross-platform app development

Usually both platforms. Where it fits, we build one cross-platform codebase that runs on iPhone and Android; where a feature needs it, we write native code for that platform. Every build is checked on real iPhone and Android devices.

What mobile app development includes

Scoping, wireframes and polished screens, then a clickable prototype you can tap through on your own phone before the full build. We build in short rounds and share test versions as we go.

At launch we prepare the store listings, screenshots and privacy details, submit the app to the App Store and Google Play, and make any changes the stores ask for. Updates continue after launch.

How app development is priced

Every engagement is a fixed fee agreed in writing before work begins, with the timeline agreed alongside it. App scope varies a lot, so we confirm the fee after a short conversation about what version one needs to do.

Apps that work with your website

Your app can share sign-in, bookings and customer data with your website, so customers see the same account wherever they use you. One team builds both, so they stay in step.

Apps by industry

Healthcare: appointment booking, reminders and patient intake. Transport: ride requests, freight quotes and status updates for riders, shippers and drivers. Sports: member apps for class and court booking. Trades: quote requests and job scheduling crews can use from the field. Hospitality: reservations and order-ahead. Professional services: client portals for documents, updates and consultation booking.

Your app, your accounts

Apps are published under your own Apple and Google developer accounts, so the store listings are yours from day one.

Website design by business type

We keep a page for each field we build for most, with the pages, features and questions that matter in that trade. If yours is here, start there: cleaning companies, home care agencies, movers, contractors and trucking companies.

Questions

Good to know.

Anything else, ask us directly. You'll get a straight answer.

Ask a question
Do I need an app, or is a website enough?

Often a fast mobile website is enough, and we'll tell you if it is. An app earns its place when customers come back often, need notifications, or use phone features like the camera, location or offline access. We'll talk it through on the intro call.

iPhone, Android or both?

Usually both. Where it fits, we build one cross-platform codebase that runs on iPhone and Android; where a feature needs it, we write native code for that platform.

What does an app cost?

Every engagement is fixed-fee and agreed in writing before work begins. App scope varies a lot, so we confirm the fee after a short conversation about what version one needs to do.

How long does it take?

It depends on scope, and the timeline is agreed in writing alongside the fee. You get a clickable prototype early, so you can see and test the app before the full build.

Can it connect to my website?

Yes. The app can share sign-in, bookings and customer data with your website, so customers see the same account wherever they use you.

Do you handle the App Store and Google Play?

Yes. We prepare the listing, screenshots and privacy details, submit the app for review, and make any changes the stores ask for. It is published under your own developer accounts, so the listing is yours.

What is application development?

Designing and building the software people use to get something done: a mobile app on iPhone or Android, or a customer portal on the web. We build both and can connect them to one account system.

Do you build apps for small businesses and startups?

Yes. We scope a focused version one around what your customers need most, agree the fee in writing, and grow the app from there.

Can I see the app before it is built?

Yes. You get a clickable prototype early, so you can tap through the screens on your own phone and change them before the full build.

More services

Everything else you need to grow.

Next step

Let's discuss what you're building.

Write to us with a sentence or two about your business. You'll receive a considered reply within one business day.

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