Cairn Labs
Available for new projects

We build things people love
to use.

Mobile apps, web platforms and SaaS products — built with precision, maintained with care. Your tech partner from first line to final launch.

60+
Projects shipped
and counting
94%
Client retention
come back for more
4+
Years of craft
Est. 2021
What we do

Four ways we can move the needle for you

We don't do everything. We do these four things exceptionally well — pick the one (or two) that fits your situation.

Mobile App Development

Native and cross-platform apps that feel right at home on iOS and Android. We write the stack that fits your product — no half-measures.

FlutterSwiftReact NativeKotlinFirebase

Web Development

From Shopify storefronts to fully custom web apps. Whether it's a headless CMS, a marketing site, or an internal tool — we build it right.

ShopifyNext.jsAstroPHPWordPress

Retainer & Growth

Your product after launch is where we really shine. We join your team, ship new features and keep your codebase healthy on a weekly cadence.

Feature DevBug FixesCode ReviewsMonitoringCI/CD

SaaS & Performance

Slow sites lose customers. We audit, refactor and rebuild — cutting load times and lifting conversion. Every millisecond is revenue waiting.

Core Web VitalsRefactoringSEODatabaseCaching
Why clients stay

The boring stuff is actually the important stuff

Fancy animations are easy. Shipping reliably and communicating honestly is what actually separates good agencies from great ones.

0 missed deadlines

We ship on time

Two-week sprints, realistic estimates, and a hard commitment to deadlines. If something changes, you hear it from us first.

One team, whole stack

Full-stack ownership

We don't hand off at launch. From infrastructure to UI, we know the whole system and take responsibility for all of it.

No lock-in, ever

Code you can own

Well-documented, clearly structured code. When we're done, your next developer won't curse our names.

< 24hr response

No jargon, no padding

We talk to you like a business partner. Plain English updates, honest opinions, zero fluff.

How we work

A process built for trust, not mystery

You're in the loop at every stage. No surprise invoices, no features that went sideways in week seven. Just clear sprints and honest updates.

01
1–2 weeks

Discovery

We spend real time understanding your users, goals and constraints. No guessing, no assumptions.

Project brief + scope
02
1–3 weeks

Design & Prototype

Wireframes to high-fidelity prototypes, iterated until they feel right. You see it before we build it.

Figma prototype
03
4–12 weeks

Build & Test

Clean code shipped in two-week sprints. You get a live demo at the end of every sprint. No black boxes.

Working product
04
Ongoing

Launch & Scale

We handle deployment, monitoring and the post-launch chaos. Most clients end up on retainer here.

Live product + support

Every project starts with a free 30-minute call.

We'll tell you if we're the right fit — and if we're not, we'll point you to someone who is.

Book a free call →
Our toolkit

We speak your stack

20+ technologies across mobile, web and infrastructure. We use what's right for the job — not what's fashionable.

Flutter
Swift
React Native
Kotlin
Firebase
AWS
Node.js
PostgreSQL
Redis
Docker
Flutter
Swift
React Native
Kotlin
Firebase
AWS
Node.js
PostgreSQL
Redis
Docker
Next.js
Shopify
Astro
PHP
WordPress
React
TypeScript
Supabase
Vercel
Tailwind
Next.js
Shopify
Astro
PHP
WordPress
React
TypeScript
Supabase
Vercel
Tailwind
Client feedback

Don't take our word for it

Here's what clients say after working with us.

Shipped in 10 weeks

Cairn took our messy spec and turned it into a polished Flutter app in 10 weeks. The retainer they offer post-launch is honestly the best part — feels like having a senior dev on call.

JM
Jordan M.
Founder · Taskboard
+34% revenue

Our Shopify store was loading in 8 seconds. After working with them, it's under 1.8. Revenue went up 34% that month — I genuinely didn't expect it to be that dramatic.

PS
Priya S.
E-commerce Director · Bloom & Co
18 months & counting

We've been on retainer with Cairn Labs for 18 months. It's genuinely like having a senior dev on staff without the overhead. They flag things before they become problems.

AW
Alex W.
CTO · NutritionOS

Trusted by teams across the globe

TaskboardBloom & CoNutritionOSStackdeckOrientaTaskboardBloom & CoNutritionOSStackdeckOrientaTaskboardBloom & CoNutritionOSStackdeckOrientaTaskboardBloom & CoNutritionOSStackdeckOrienta
Let's build

Ready to build something great?

Tell us about your project. We'll respond within one business day with thoughts, not a sales pitch.

Schedule a meeting
Pick a time on our calendar
Response time
Under 24 hours, always

Free 30-min Discovery Call

No sales pitch — just an honest conversation about your project. We'll tell you if we're the right fit.

No commitment or obligation required
We'll give you honest, direct feedback
Usually available within 48 hours
If we're not the right fit, we'll point you to someone who is
Pick a time on Google Calendar

Opens Google Calendar · Free to book