Mobile app
development services
in Sunnyvale

Custom iOS and Android apps for Sunnyvale businesses. Mobile products built for Silicon Valley's enterprise tech, defense, and consumer markets.

Sunnyvale Mobile Apps

iOS & Android

Enterprise Mobile

The challenges we solve

Need more than
“just an app”?
Great.

Launching, fixing, scaling — wherever you're stuck. We take over at any stage: clean up the code, stabilize, integrate, and scale further.

Most agencies deliver. Few stay involved.

We stick around from strategy to launch and support.

Need proper CRM or database integration?

We connect your app to systems, stable and in sync.

Excited to go live but short on time?

We meet your deadline while maintaining quality.

Outdated app? No docs, no problem.

Update and evolve your product without specs.

Who we work with

Startups

Quick validation cycles. Purpose-built MVPs. Budgets that make sense.

MVP in 4–8 weeks
UX-first approach
Architecture ready for scaling

Launch MVP

Small businesses

Upgraded apps. Smooth integrations. No more operational bottlenecks.

Full-cycle development
Support for growing teams
CRM and ERP integrations

Get things done

Corporations

Scalable architecture. SLA and NDA-ready. Built for enterprise demands.

Proven development workflows
Business & legal compliance
Large system maintenance

Talk project terms

Why do I even need an app?

Because your users are already on their phones.

When everyone, from clients to internal teams, clearly sees what’s going on, everything works faster and more efficiently.

And sometimes, it’s simply more convenient than a website.

What applications are we building?

Need something else?

Get in touch

What are the components of mobile development?

Cross-platform solutions

One codebase. Android, iOS, and PWA — all covered with consistent UX.

Design-ready

Rapid build process

Business-systems

Business automation in your pocket — CRM to HR, fully connected.

Business-first logic

Simple rollout

Integrations

Integrations that matter — Shopify, payments, internal APIs, and more.

Stable synchronization

Reliable performance

Support and scaling

Continuous updates, scalable structure, and long-term product growth.

Regular updates

Growth roadmap

Got a tricky case?

Let’s chat

How we build mobile apps

Expertise you can trust. Processes that work. Results you can see.

Complex logic — simple UX

Designed for high-load apps and real business processes.

Stays fast under pressure

Optimized code keeps your app smooth under pressure — no matter the hardware.

Support and development

Always improving. Always stable. From launch to long-term growth.

Business system integration

CRM, ERP, internal APIs — fully connected, fully in sync.

How we work

We work iteratively and deliver results at every stage — from idea to launch.

Research & analysis

We dive into your business, audience, and goals to shape clear requirements for your future mobile app.

Clear requirements

Scalability potential

Prototyping & design

We create clear UX/UI design and an interactive, clickable prototype in just a few days.

Interactive prototype

Functional mockup

Launch preparation

Development

We build the architecture, write front-end and back-end code, and prepare the development roadmap.

Mobile compatibility

Roadmap

Clean code

Testing & launch

We run final testing, fix any bugs, publish the app, and prepare it for release.

Final QA

Support & growth

We monitor the app, improve it, and add new features based on real user data and feedback.

Documentation & support

Updates based on user data

Mobile app development formats

Launch, grow, scale — all at the speed your business needs.

Fast start

For those who want to test an idea or enter the market quickly.

A working mobile app in 4–8 weeks
Fast feedback loops and iterations
Minimal test set and launch readiness

Full cycle

We run the project from idea to release — and stay for the growth stage.

Full-cycle development
Business-driven technologies
Long-term support and scaling

Mobile app development pricing
in Sunnyvale

Cost tailored to your goals, functionality, and budget.

MVP — basic functionality

~ $20,000

Corporate app

~ $35,000

Startup with admin panel and analytics

~ $38,000

Fintech or custom architecture

~ $190,000

*The final cost depends on scope, timeline, and integrations.

Get your custom estimate

Full control

Stability

Tools that grow your business

Carefully selected tech stack. Fast results.
We only use technologies that drive your business forward.

Front-end

React

Vue.js

Javascript

HTML

Flutter

CSS

Back-end

Laravel

PHP

Docker

API

Kotlin

Swift

Apps that don’t break

Alex Rivers

CEO

Big thanks to the Toimi team! Everything was done thoughtfully, tastefully, and right on schedule. Loved how design and development were handled together — quick approvals, quick launch. Super easy to work with.

Karina Miller

Manager

We came in with a task tailored to our business — and everything was adapted to fit, no templates. What we appreciated most is that they didn’t just think about how to build it, but why. You can feel the care in their approach.

Mark Holzman

Manager

We ordered a webinar interface design and a couple of fintech-related things from Toimi — everything was on point. What stood out was that they didn’t just deliver, but also suggested ways to simplify. We took notes.

Maria Reed

CEO

We plan to continue working
with Toimi!

Industry-specific solution

Mobile development for e-commerce, fintech, and more

Social Media
Delivery
Finance
Healthcare
Dating
Messenger
Marketplaces
Corporate sector
Heavy Industry
Media
Agriculture
Travel & tourism
eCommerce
Internal tools
Sports

Real cases. Clear results.

Read case

How we reinvented a major oil company's brand from scratch

Analytics

Branding

How we created a modular identity inspired by linguistic structures

Analytics

Branding

From anonymity to trust: How we strengthened brand perception by 70%

Analytics

Website

Kenika: Redesigning the digital identity of a tea brand

Analytics

Website

View all cases

FAQ

Didn’t find what you were looking for? Drop us a line at info@toimi.pro.

What types of mobile apps do Sunnyvale businesses build?

Enterprise companion apps for networking products, field service tools for Lockheed Martin supply chain operations, consumer apps for Sunnyvale's affluent tech community, cybersecurity monitoring dashboards for mobile, and workforce management apps for the city's large tech campuses. Sunnyvale's enterprise DNA shapes unique mobile requirements.

How long does mobile app development take for Sunnyvale companies?

Focused MVP takes 3-5 months for one platform. Cross-platform apps using React Native or Flutter serve both iOS and Android in a similar timeframe. Full-featured enterprise apps with backend systems and admin panels may require 6-10 months. Sunnyvale startups launch lean and iterate.

What factors affect mobile app development pricing in Sunnyvale?

Platform choice, feature complexity, backend requirements, third-party integrations, and design depth. A consumer utility app costs less than an enterprise monitoring app with real-time data streams and role-based access. Scoped to your MVP priorities.

Should Sunnyvale businesses build native or cross-platform mobile apps?

Cross-platform (React Native, Flutter) covers both iOS and Android from one codebase — ideal for Sunnyvale startups needing broad market reach efficiently. Native development delivers best performance for hardware-intensive or security-critical apps. We recommend based on your feature requirements and target device landscape.

Can you build mobile apps with offline capability for Sunnyvale enterprise workers?

Yes. Offline functionality is critical for field technicians, warehouse staff, and employees moving between Sunnyvale campuses with inconsistent Wi-Fi. We implement local data storage, background sync, and conflict resolution for uninterrupted productivity.

How do you handle app store submission for Sunnyvale businesses?

Full Apple App Store and Google Play submission management — metadata, screenshots, compliance reviews, and rejection responses. Sunnyvale businesses get published without navigating store bureaucracy themselves. Enterprise distribution through MDM is also available.

What does the mobile development process look like for Sunnyvale projects?

UX wireframes and clickable prototypes first, then two-week sprints with TestFlight (iOS) and Play Store test track (Android) builds. Sunnyvale clients test on real devices throughout — not emulators. Direct engineer access for technical discussions.

What post-launch support do Sunnyvale mobile apps need?

OS compatibility updates for new iOS and Android releases, bug fixes, performance optimization, and feature additions. Maintenance plans covering all technical upkeep plus development hours for enhancements. Crash monitoring and app store rating management included.