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02 · Service
Mobile Apps iOS, Android, and cross-platform that feels native.
We build mobile apps that pass App Store review on day one — with the polish, offline behavior, and animations users expect from a category-leading product.
- On mid-range devices
- 60fps
- Store approvals
- Day 1
- Time per workflow
- −42%
- First — default
- Offline
iOS · Android · React NativeCurrently shipping a clinician app for Nimbus Health
02 · Mobile Apps
iOS, Android, and cross-platform that feels native.
Engagement
10–20 weeks · Fixed-scope · Retainer
Overview
Mobile is unforgiving: a janky 60fps, a missed offline state, a confused permissions prompt — and you lose the user. We sweat all of it.
Native polish, offline-first by default
Crash-free sessions tracked release over release
Push, deep linking, and ASO bundled in
What we deliver
Exactly what lands in your repo.
No mystery deliverables. Here's the shipping inventory you get at the end of an engagement.
Native iOS (Swift) and Android (Kotlin) builds
Cross-platform apps in React Native and Expo
Offline-first sync, push, deep linking
App Store / Play Store submission & ASO
Analytics, crash reporting, and A/B framework
OTA updates pipeline (Expo / CodePush)
Stack & tools
The stack we reach for first.
Opinionated, never religious — we'll meet your existing stack if it's a good fit.
React NativeExpoSwiftKotlinFirebaseSentryAmplitude
How we ship
A predictable four-step rhythm.
Friday demos, weekly to staging, and the senior team you met in sales — start to finish.
- 01
Platform call
Native vs cross-platform — we'll make the right call for your team, not ours.
- 02
Foundation sprint
Auth, routing, design system, and the first end-to-end happy path.
- 03
Feature sprints
Demos every Friday, TestFlight + Play Internal weekly.
- 04
Store submission
We file the review, handle rejections, and ship the v1.0 launch build.
Spotlight case
Read the full case studyCharting time cut by 42% — and the pager went quiet.
Nimbus Health
We rebuilt Nimbus's clinician app for offline-first care and conflict-free sync. Inside three months, the average chart took 42% less time and the on-call inbox dropped by half.
- −0%
- Time per chart
- Day 0
- App Store approved
- 0%
- Offline parity
How we work
The signals you can hold us to.
We earn trust by making it cheap to verify our work — in your tools, on your calendar, in your repo.
- Native iOS (Swift / SwiftUI) and Android (Kotlin / Compose)
- OTA updates via EAS / CodePush — fix a bug in hours, not weeks
- Crash-free sessions monitored release over release
- Submission, screenshots, and review-response handled end-to-end
“They said the offline-first model would matter in week one and we didn't believe them. By month three it was the reason clinicians stopped opening tickets.”
Dr. Marcus Webb
Chief Product Officer, Nimbus Health
“One React Native codebase, both stores, zero compromises. Our App Store rating climbed from 3.6 to 4.7 after the rewrite.”
Kenji Tanaka
Product Lead, Wander
“They shipped to TestFlight in week two and never missed a sprint after. That kind of mobile predictability is rare.”
Rachel Adeyemi
VP Product, Finlee
FAQ
Common questions about mobile apps.
- React Native or native?
- It depends — team size, performance ceiling, native API needs. We'll make a recommendation in week one, in writing.
- Do you handle the App Store submission?
- Yes. Provisioning, screenshots, review responses — the whole pipeline.
- Offline support?
- Default on. We design data models with conflict resolution from day one, not as an afterthought.
Other services
Most engagements run two or three in parallel.
Ready for mobile apps?
Tell us about your project.
A scoped plan, a senior team, and a price — inside 24 hours.