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Mobile app development in San Francisco

Looking for an app developer in San Francisco? SOHOON builds mobile apps for San Francisco businesses that feel fast and native, from MVP to scale, with backend, payments and App Store launch handled.

San Francisco

California, United States

Where local demand comes from

Venture-backed software & SaaSBiotechnologyFintechEnterprise cloud infrastructure

Local time

Starting from$4,000

Delivered remotely by a senior team. No local office required.

iOS

and Android

MVP

to scale

2

Stores handled

UX

Native feel

Apps we build

Mobile apps for San Francisco businesses across every sector

From gym and fitness to food delivery and legal, we have shipped apps in these verticals for businesses across California.

Gym and fitness

Membership, class booking, workout tracking and payments for gyms and trainers.

Real estate

Property search, listings, virtual tours and agent-lead apps.

Immigration

Case tracking, document upload, eligibility tools and client portals.

Lawyer and legal

Client intake, case management, appointments and secure document sharing.

Food delivery

Ordering, dispatch, driver tracking and live status apps.

Healthcare and education

Telehealth, appointment and learning apps with secure data and payments.

Why here

Mobile App Development built around how San Francisco actually works

San Francisco is the densest concentration of venture-funded software companies in the world, with a biotech corridor spilling south toward South San Francisco and a fintech sector clustered around downtown. Startups here typically need an MVP built fast on a tight runway, and later need it re-architected for scale once funding lands, which is a different engagement than a mature enterprise rebuild.

Also covering

OaklandBerkeleyDaly CitySouth San FranciscoSan Mateo

Questions from local businesses

We are pre-seed, can you build an MVP on a startup budget?

Yes, MVP builds for early-stage San Francisco startups are a large part of what we do. A Pakistan-based team costs a fraction of a Bay Area contractor rate, which matters when runway is the constraint.

How do we communicate given the time difference?

San Francisco is 12 to 13 hours behind Pakistan depending on daylight saving. Most teams run a short overlap call in the San Francisco morning, our evening, and use async written updates the rest of the day.

Do you sign NDAs before seeing our idea?

Yes, we routinely sign NDAs before any discovery call, which is standard practice for early-stage founders protecting an unfiled idea.

Native or cross-platform, which is right for your San Francisco app?

Both paths have merit. We advise the right fit for your goals, budget and timeline, with no tech bias.

Native (Swift / Kotlin)

  • Full device hardware access (camera, GPS, biometrics)
  • Highest possible performance and animation fidelity
  • Platform-native UI patterns users already know
  • Best choice when the app is the core product

Cross-platform (Flutter / React Native)

  • One codebase ships to both iOS and Android
  • Shorter timeline and lower initial investment
  • Consistent UI across platforms
  • Best for MVPs and most business apps

Most San Francisco clients choose Flutter or React Native for the speed and cost advantage.

App capabilities built in from day one

Every San Francisco app we ship includes the features modern users expect, wired in and tested, not bolted on later.

Push Notifications

Re-engage users with timely alerts for orders, appointments and reminders.

Offline Support

Core features work without internet, syncing automatically when connectivity returns.

In-App Payments

Stripe, Apple Pay and regional gateways so users can pay without leaving the app.

Secure Auth

Biometric login, OAuth, two-factor and role-based access control out of the box.

From idea to the stores

App Store and Google Play launch, handled end to end

01

Design

UX wireframes, brand-aligned UI and prototype reviewed with you.

02

Build

Sprints with regular demos. Backend, APIs and integrations included.

03

TestFlight

Beta on TestFlight and Google Play Internal Testing before release.

04

Launch

Store submission, review handling, and first-week monitoring.

How we work

How we deliver your San Francisco app

  1. 01

    Free discovery call

    We scope your app idea, ask the right questions and give you a clear fixed quote.

  2. 02

    UX strategy

    User flows, wireframes and a clickable prototype before a single line of code.

  3. 03

    Agile build

    Two-week sprints with demos. You see progress early and often.

  4. 04

    QA and beta

    Thorough testing on real devices across iOS and Android.

  5. 05

    Store launch

    We submit, respond to reviewer questions and get you live.

What clients say

Trusted by local business owners

Real words from owners we have worked with. First name and industry only, out of respect for our clients' privacy.

The AI receptionist catches the calls we used to miss after hours. Members book classes on their own now and my staff can focus on the floor.

JJames T.Gym Owner

Our online ordering just works. Orders flow straight to the kitchen and the whole thing was live faster than I expected.

FFatima K.Restaurant Owner

They handled our HIPAA requirements properly and kept it simple for us. The portal made enrollments far less painful for my clients.

AAisha N.ACA Insurance Agent

Booked jobs went up because customers can schedule online and we reply instantly. They built exactly what we asked for, on time.

DDavid L.HVAC Company Owner

Mobile App Development pricing in San Francisco

Local starting rates for mobile app development in San Francisco, California. Switch currency to your region, or book a free call for an exact quote.

Hourly rate

$35/hour

Flexible hourly engagement for changes, support and ongoing work. Most projects use a fixed quote below.

MVP App

from $4,000

One platform, core features, store launch.

  • iOS or Android
  • Core screens & backend
  • Store submission
Get a Quote
Most popular

Standard

from $9,000

Cross-platform app with full features.

  • iOS + Android
  • Payments & push
  • Admin panel
Get a Quote

Premium

from $18,000

Complex app with integrations & scale.

  • Native or advanced cross-platform
  • Third-party integrations
  • Ongoing support
Get a Quote

Not sure which option fits?

Book a free appointment and we will scope your project and give you an exact quote.

Book an Appointment to Discuss Your Project

Starting estimates shown in USD. Conversions from USD are approximate; your final fixed quote is confirmed after a free consultation.

FAQ

Mobile App Development in San Francisco, California

App cost depends on features and platforms. We run a free consultation, scope your app for San Francisco, and provide a clear fixed quote up front. Many clients start with a focused MVP to validate, then scale.

Yes. We build cross-platform apps with Flutter or React Native to cover both from one codebase, or fully native when your San Francisco app needs it, and we handle App Store and Google Play submission.

All kinds, including gym, real estate, immigration, legal, food delivery, healthcare, education, e-commerce and on-demand service apps for California businesses, plus custom apps for your idea.

Yes. We audit, fix and extend existing San Francisco apps, and can redesign the experience for better retention.