CSJOTLAB
Build • Launch • Grow

We craft mobile apps & web experiences that convert.

CSJOTLAB is a boutique IT studio helping founders and businesses design, build, and scale high-quality products. From concept to launch, we partner for outcomes.

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Reliable partner
On-time delivery
100% satisfaction
Design • Build • Ship
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What we do

Strategy, design, and development—aligned to your goals and budget.

Mobile App Development

iOS, Android, and Flutter apps with smooth UI, performance, and modern architecture.

  • Flutter / Swift / Kotlin
  • API design & integration
  • App Store & Play Console support

Web Development

Scalable, secure web apps and APIs with clean code and CI/CD.

  • React / Next.js / Node.js
  • Serverless & Cloud
  • SEO & analytics setup

Web Design

Conversion-focused designs that look great and feel effortless to use.

  • Brand-consistent UI
  • Responsive & accessible
  • Wireframes to hi-fi prototypes

Branding & Logo Design

Distinctive visual identity packages: logo, colors, fonts, and usage guide.

  • Monograms & wordmarks
  • Iconography set
  • Brand kit PDF

Branding & Logo Design

Try a quick interactive preview. We’ll tailor a full brand kit (logo, colors, typography, usage) for your product.

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CSJOTLAB
Build • Launch • Grow
Primary: #3b82f6Accent: #06b6d4
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Selected work

A peek at projects our team has crafted. From MVPs to production systems.

Flutter • Firebase
Fitness Tracker App
React • Tailwind
E-Commerce Admin
Next.js • CMS
Restaurant Website
Flutter • BLE
EV Dashboard
iOS • SwiftUI
Learning App
Next.js • Vercel
Portfolio Site

How we work

Clear milestones. Frequent communication. Shipping value early.

Step 1
Discover
Goals, users, and scope
Step 2
Design
Flows, wireframes, UI
Step 3
Build
Agile sprints & QA
Step 4
Launch
Deploy & optimize

Clients say nice things

We measure success by your outcomes, not just deliverables.

“CSJOTLAB delivered beyond expectations. Smooth process, clear communication, and a product our users love.”

— Product Lead, Tech Company

“CSJOTLAB delivered beyond expectations. Smooth process, clear communication, and a product our users love.”

— Product Lead, Tech Company

“CSJOTLAB delivered beyond expectations. Smooth process, clear communication, and a product our users love.”

— Product Lead, Tech Company

Flexible pricing

Start small or plan big—we’ll adapt to your scope.

Starter
$1.9k+
  • 1 page/feature
  • Basic SEO
  • Email support
Request proposal
Business
$4.9k+
  • Up to 8 pages/features
  • Design + Dev
  • Analytics & SEO
  • 2 months support
Request proposal
Scale
Custom
  • Product strategy
  • Mobile + Web
  • CI/CD & Cloud
  • Ongoing partnership
Request proposal

FAQ

Quick answers to common questions.

How fast can we start?
We can usually kick off within 1–2 weeks after scoping and signing.
Do you work with startups?
Yes! We love early-stage teams and can help from MVP to launch.
Which tech stacks do you use?
Flutter, Swift/Kotlin, React/Next.js, Node, and modern cloud tools.
Do you offer maintenance?
We provide monthly retainers for updates, support, and growth.

Let’s build something great

Tell us about your idea. We’ll reply with next steps and a proposal.

hello@csjotlab.com
+81 90-1234-5678
Tokyo • Osaka • Remote
We’ll reply in 1–2 business days.