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SERVICE 06
Mobile App Development
Mobile Application Development
Turning “we want to make it an app” into production quality.
iOS, Android, and cross-platform. We stay alongside you through store review, notification design, and offline support.
Process
01
Requirements & platform selection
02
UX design & prototyping
03
Implementation & store submission
04
Operations & continuous improvement
Who this is for
Getting past the “we treated it like an extension of the web and hit a wall” trap
PAIN 01
We can’t decide between native and cross-platform
With Flutter, React Native, Swift, and Kotlin all on the table, it’s hard to know how to pick the one that fits us.
PAIN 02
We have no in-house know-how on store review, push notifications, or billing
PAIN 03
We have a web version, but the mobile experience is poor and drop-off is high
You can come to us even at the native-vs-cross-platform decision stage.
Tell us what you’re facing →
The SYSTEMI approach
Factoring mobile’s constraints in from the requirements stage
We build mobile-specific concerns—offline, notifications, store review, OS-version branching—into the requirements from the very start.
01
Requirements & platform selection
Weighing target devices, OS distribution, existing assets, and team skills, we compare and select between native, Flutter, and React Native.
Output
Platform comparison table / device-support map / proposed dev structure
Output
Figma prototype / screen-flow diagram / OS guideline compliance check
02
UX design & prototyping
We design the UX with store-review requirements and OS guidelines in mind, building a working prototype in Figma to lock down the requirements.
03
Implementation & store submission
We implement mobile-specific features—notifications, billing, offline sync—and also handle store-review rejections from end to end.
Output
iOS / Android app / backend integration / review approval
Output / What happens next
Monitoring dashboard / release cycle / OS-version support plan
04
Operations & continuous improvement
We continuously improve crash rates, drop-off, and review monitoring, and stay with you through ongoing OS-update support.
What sets us apart
Can they support you through store, notifications, and OS updates?
An app isn’t “ship it and you’re done”—OS updates and store-policy changes keep raining down.
| App-only shops | Web dev firms | Freelancers | SYSTEMI | |
|---|---|---|---|---|
| Platform selection | ○ High expertise | △ Web-extension view | △ Depends on the individual | ○ Aligned with business requirements |
| Backend integration design | △ Often a separate contract | ○ | △ | ○ Designed by the same team |
| Store review handling | ○ | △ | △ | ○ |
| Ongoing operation & OS tracking | ○ | △ Web-centric | △ Depends on capacity | ○ Continued by the same team |
AI × mobile
Using AI to lighten the weight of mobile development
Automated UI generation
Claude Code accelerates the Figma-to-SwiftUI / Jetpack Compose code conversion, speeding up implementation.
Crash-report analysis
We aggregate Sentry and Crashlytics crash logs with an LLM and surface likely root causes, shortening time-to-fix.
Review monitoring
We continuously classify and summarize App Store and Google Play reviews with an LLM, feeding them into improvement priorities.
Related cases
Where we make the difference
A mix of cases we can disclose and illustrative model cases.
MODEL CASE
FDE in action
For an “app built as a web spin-off that won’t grow” engagement, staying alongside the team through UX redesign and native-feature integration
Why they reached out
They turned the web version straight into an app, but usage stalled and drop-off was high.
What we worked out
Redesigned the native value—offline, notifications, home-screen widgets, and more.
MODEL CASE
FDE in action
Building a field-worker operations app with offline sync and notification design factored in from the start
Why they reached out
Connectivity in the field was unreliable, and the work simply didn’t hold together on the web.
What we worked out
Offline-first design, then fallback for failed syncs, with support all the way to store distribution.
See all cases →
DELIVERABLES
A look at what we produce on the front line
Sample structures of the documents we actually hand over—organized so they serve directly as decision input for the next phase.
DOCUMENT 01 — Platform selection report (native vs. hybrid comparison)
Mobile_Platform_Selection_v1.0.xlsx
Target devicesiOS / Android share, supported OS versions, minimum requirements
NativeSwift / Kotlin dev effort, ease of hiring, OS-tracking cost
Flutter / React NativeEffort efficiency of building both OSes at once, native-feature access limits
PWA / WebViewFor lighter requirements—distribution methods, store-listing eligibility
RecommendationThe recommended platform, judged on business requirements × dev capacity × budget
DOCUMENT 02 — Proposed architecture diagram
Example mobile app architecture — mobile + backend + store distribution
App
📱
Flutter / Swift / KotliniOS / Android🔔
FCM / APNsPush notificationsAPI
API GatewayREST / GraphQL
Lambda / FargateBusiness APIData
DynamoDBUsers / sessions
S3AssetsMonitoring
🐞
Sentry / CrashlyticsCrash collection
Firebase AnalyticsBehavior trackingDistribution
🏪
App Store / Google PlayDistribution & review* Mobile-specific requirements—offline support, notifications, billing—are factored in from the start.
* Crash collection and behavior tracking are built in from day one, so quality improvement begins right after launch.
* Crash collection and behavior tracking are built in from day one, so quality improvement begins right after launch.
FAQ
Common questions about mobile app development
Is native development better than Flutter or React Native?
It depends on the requirements. If OS-specific capabilities (advanced location control, camera optimization, AR, and the like) are central, we recommend native. For a typical business app, going with Flutter or React Native to prioritize release speed is also a sound choice.
We’ve had an app rejected in store review before. Can you help with that?
Yes. Apple’s and Google’s review policies grow stricter every year, and we support you from pinpointing the rejection cause through the fix plan and resubmission.
We’re considering turning our existing web service into an app.
Whether you “wrap the web as-is” or “redesign for a native experience” makes a big difference to the odds of success. It depends on the requirements, but we often recommend the latter and start from organizing requirements on the premise of redesigning the UX.
How do you handle post-launch operations and OS-version tracking?
In many cases we stay on as a maintenance contract. We provide a package covering verification at each OS release, fixes as needed, and support for new features.
Related services
FDE · Forward Deployed Engineering →
New Digital Service Development →
API & System Integration Development →
Mobile app? Start by telling us the concept.
Native-vs-cross-platform decisions, revamping an existing app, or building something new—any of them is a fine place to start.
Talk to us about mobile development (free)