Your App. Your Brand.
Your Success.

We design and develop custom iOS and Android applications tailored to your brand. From concept to app store launch, we manage the full development process.

2013
Founded
iOS
& Android
CA
Based in California

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We Build Apps That Work for Your Business

Founded by Hiroshi Tanaka in 2013, J ZACH LAWN CARE has grown from a small development team in San Francisco into a full-service mobile app development company. With headquarters at 2705 DE LA ROSA ST THE VILLAGES, FL 32162, we've spent over a decade refining a process that turns ideas into polished, market-ready applications.

We've helped startups launch their first product and guided established companies through digital transformations — with a focus on transparency, quality, and measurable results.

"We don't just write code — we partner with you to understand your business, your users, and your goals. Then we build the app that makes it all happen." — Hiroshi Tanaka, CEO & Founder

Today, with projects delivered across industries — from health & fitness to e-commerce, fintech to education — our portfolio reflects a commitment to quality and thoughtful development.

J ZACH LAWN CARE LLC is a legally registered company in the State of California, operating under EIN: 81-5357590. You can reach us at [email protected] and +1 305 529 0003.

J ZACH LAWN CARE LLC
Full-service mobile app development company. From concept to launch and beyond.
2013
Founded
CA
California Based
iOS
& Android
E2E
Concept to Launch

Our Mission

To help businesses of all sizes build high-quality mobile applications that support growth, improve customer engagement, and simplify daily operations. We believe technology should be accessible and practical for everyone.

Our Vision

To be a reliable mobile development partner for businesses — known for building quality apps and strong client relationships. We work toward a future where more businesses have the mobile tools they need to operate in a digital-first world.

Our Values

Transparency in pricing, timelines, and communication. Quality code backed by testing and documentation. Reliability through defined milestones and regular progress updates. We treat your project with the same care we'd want for our own.

End-to-End App Development Services

Services to take you from idea to a published mobile application.

iOS & Android Apps

Native and cross-platform development for both major platforms.

UI/UX Design

Thoughtful interfaces designed for engagement and usability.

Backend & APIs

Scalable server infrastructure and third-party integrations.

App Analytics

Data-driven insights to optimize performance and growth.

App Store Publishing

Submission and ASO to help improve your app's visibility.

Push Notifications

Automated engagement systems to retain and re-engage users.

Admin Dashboards

Custom control panels to manage your app content and users.

Ongoing Support

Maintenance, updates, and feature enhancements available post-launch per your support plan.

The People Behind Your App

Our team brings together experience in mobile development, design thinking, and business strategy. We're focused on turning ideas into apps that serve real business needs.

Hiroshi Tanaka

CEO & Founder

15+ years in mobile tech. Leads company vision and client strategy.

Yuki Nakamura

Head of Design

Experienced UI/UX designer focused on intuitive and accessible mobile experiences.

Kenji Watanabe

Lead Developer

Full-stack engineer specialized in React Native, Swift, and Kotlin.

Mei Lin Zhao

Project Manager

Focused on keeping projects organized, on schedule, and aligned with client goals.

Our Commitment to Your Success

We're not just a vendor — we're your long-term technology partner. Here's what sets us apart.

Full Ownership

Upon project completion, all source code, designs, and assets transfer to you. No vendor lock-in — see our Terms of Service for details.

Clear Timelines

Every project starts with a detailed timeline and defined milestones. You'll know what to expect and when.

Transparent Communication

Weekly updates, open Slack channels, and direct access to your development team.

Scalable Architecture

Built to grow with your business. We design app architecture with scalability in mind from day one.

Detailed Documentation

Thorough technical docs so you can understand and maintain your product independently.

Post-Launch Support

Bug fixes, performance monitoring, and feature updates via phone, email, and client portal. Support plans detailed in your contract.

Built-In Capabilities for Your App

Full-service mobile solutions with features designed to engage users and support your business goals.

Custom Design

Unique, branded interfaces crafted specifically for your business identity and user experience goals.

Cross-Platform

Build once, deploy everywhere. Your app runs natively on both iOS and Android from a single codebase.

Push Notifications

Keep your users engaged with timely, personalized push notifications that drive retention.

Admin Dashboard

Manage content, users, and analytics through an intuitive admin panel built just for you.

Social Integration

Social logins, sharing features, and community building to boost user acquisition.

Ongoing Support

Maintenance plans, updates, and technical support available for your app post-launch.

Our Latest Work

See how we've helped businesses transform their ideas into functional, well-designed mobile applications.

FitLife Pro App
Mobile App

FitLife Pro

A fitness and wellness app featuring workout plans, nutrition tracking, and community features.

  • Personalized Workout Plans
  • Nutrition Tracking & Meal Plans
  • Progress Analytics Dashboard
  • Social Community & Challenges
  • Wearable Device Integration

What Our Clients Say

Don't just take our word for it — hear from the businesses we've helped succeed.

"They turned our concept into a polished app in 8 weeks. The team was responsive throughout the process and the final product matched our vision."

JM
James Mitchell
CEO, FitLife Pro

"Professional, creative, and detail-oriented. They helped us rethink our mobile strategy and we've seen a significant improvement in user engagement."

SR
Sarah Rodriguez
Marketing Director, ShopEase

"The ongoing support is what truly sets them apart. Six months post-launch and they're still helping us optimize. A true partnership."

DK
David Kim
Founder, QuickServe

How We Build Your App

Our six-step process from concept to a published, market-ready application.

Initial Consultation

We learn about your vision, goals, target audience, and requirements.

1
2

Proposal & Planning

Detailed project plan with timelines, milestones, wireframes, and cost breakdown.

Design & Development

Polished UI and clean, scalable code brought to life by our team.

3
4

Testing & Revisions

QA testing across devices and OS versions, with revision rounds to meet your standards.

Publication

App Store and Google Play submission with optimization for visibility.

5
6

Ongoing Support

Maintenance, monitoring, updates, and feature enhancements available per your support plan.

Frequently Asked Questions

Quick answers to common questions about our app development services.

Most projects take 6–12 weeks depending on complexity. Simple apps can be completed in 4 weeks, while complex applications may take 12–16 weeks. We'll provide a detailed timeline during our initial consultation.
Not at all. You bring the vision and business expertise, and we handle the technical side. We'll guide you through each step in plain language.
Yes. We build cross-platform apps that run on both iOS and Android from a shared codebase, reducing development time and cost while maintaining a native-quality experience on each platform.
We offer support plans that include bug fixes, performance monitoring, OS compatibility updates, and feature enhancements. Support is available via phone, email, and a dedicated client portal. Response times and coverage hours depend on the plan outlined in your contract — we'll walk you through your options during the proposal stage.
Of course! We can push updates for new features, design improvements, or user feedback responses. We handle the entire update submission process to both app stores.
Yes. Upon project completion and final payment, all intellectual property rights, source code, designs, and assets transfer to you under the terms of your contract. This includes the right to modify, distribute, or sell your app. Full details are outlined in our Terms of Service.
If you cancel before development begins, you receive a full refund. During development, refunds are pro-rated based on work already completed. All cancellation terms, fees, and refund timelines are laid out in your contract before you sign. Refund requests are processed within 10 business days. You can review the full policy in our Cancellations & Refunds page.
All of our legal documents are publicly available: Terms of Service (covers IP ownership, scope, payment, and dispute resolution), Privacy Policy (covers data collection, usage, and your rights), and Cancellations & Refunds (covers cancellation terms and refund conditions). You also receive a full contract before any work or payment begins. If anything is unclear, we're happy to explain every clause in plain language.

We Put It All in Writing

Before any work or payment begins, you receive a clear contract covering ownership, costs, timelines, refunds, and your rights as a client.

Terms of Service

Covers intellectual property transfer, project scope, revision rounds, payment milestones, cancellation conditions, and dispute resolution. You'll know your rights and obligations before signing.

Read Terms of Service

Cancellations & Refunds

Full refund before development starts. Pro-rated refund during development, adjusted for completed work. All fees disclosed upfront. Refund requests processed within 10 business days.

Read Refund Policy

Privacy Policy

Explains what personal data we collect, how we use it, and your rights to access, correct, or delete it. Your data is not sold or shared with third parties for marketing purposes.

Read Privacy Policy

All three documents are available for review at any time. Questions about any policy? Contact us at [email protected] or +1 305 529 0003 — we'll explain any clause in plain language before you commit.

Ready to Build Your App?

Let's turn your idea into a functional mobile application. Get in touch today.

Get a Free Consultation

No commitment required. Review our Terms, Privacy Policy & Refund Policy at any time.