ENGINEERING SERVICE

Native and cross-platform mobile apps built for real users

iOS, Android, React Native, and Flutter apps engineered for offline reality, wearable integrations, and clean submissions to the App Store and Play Store.

CAPABILITIES

What mobile shipping really takes

Great mobile apps are more than a wrapper — they earn their reviews on offline behavior, background sync, and store approvals.

iOS & Android native

Swift and Kotlin apps where platform depth, performance, or hardware access make native the right call.

React Native & Flutter

Cross-platform builds when a shared codebase makes economic and product sense, without giving up native polish.

Offline-first architecture

Local persistence, background sync, and conflict resolution so the app works on planes, subways, and rural roads.

Wearable integration

HealthKit, Google Fit, and BLE device integrations wired into the product model, not bolted on the side.

App Store & Play submission

Metadata, screenshots, review responses, and privacy disclosures prepared so approvals do not stall a launch.

In-app analytics

Event schemas, funnels, and retention tracking wired to Amplitude, Mixpanel, or your warehouse from day one.

HOW WE ENGAGE

A path from concept to store launch

Four phases with clear checkpoints for store readiness, QA, and rollout.

01

Product & UX discovery

We align on the users, jobs, and hero moments, and shape flows around real device constraints.

02

Architecture & prototype

Tech choices, offline model, and a working prototype on real devices before the first sprint.

03

Build & QA

Two-week sprints with device-lab QA, automated tests on real hardware, and demoable increments.

04

Launch & release ops

Store submissions, phased rollouts, crash monitoring, and a release cadence you can run after we hand off.

TECHNOLOGY

The mobile stack we build on

Native and cross-platform toolchains with the backend, analytics, and store tooling that mobile releases actually need.

React Native Flutter Swift Kotlin Objective-C Firebase Supabase Realm HealthKit Google Fit App Store Connect Play Console Sentry Amplitude
USE CASES

Where mobile earns its place

Products with real mobile-first behavior — hardware access, offline reality, or engagement patterns a web page cannot match.

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Consumer apps at launch

D2C apps where onboarding, retention, and store ratings decide whether the product finds an audience.

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B2B field-service apps

Technicians and drivers with offline routes, checklists, signatures, and sync when connectivity returns.

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Health & fitness apps

Wearable-integrated products with sensitive data handling and clear compliance boundaries.

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Financial services apps

Regulated flows for onboarding, authentication, and transactions with strong device-side security.

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Retail loyalty apps

Rewards, offers, and in-store scan-and-pay experiences integrated with commerce platforms.

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IoT companion apps

BLE pairing, firmware updates, and telemetry surfaces for connected hardware.

BUSINESS IMPACT

Outcomes that show up in the stores

Store approvals, crash-free rates, and review scores are the KPIs a mobile team lives by.

01

Feature parity across platforms

iOS and Android stay in step so product and marketing plans do not have to hedge on platform.

02

Faster release cycles

Automated builds, staged rollouts, and OTA updates where allowed keep the cadence steady.

03

Smoother store approvals

Metadata, privacy disclosures, and review response templates prepared so rejections stop stalling releases.

04

Better app store ratings

Crash-free sessions, prompt-in-context reviews, and thoughtful onboarding push ratings the right direction.

FEATURED WORK

A mobile product in production

A cross-platform health app with adaptive coaching and wearable sync.

FitPulse case study Mobile • Health

FitPulse

A cross-platform health app with adaptive AI coaching.

React Native • Adaptive AI Coaching • Wearable Sync

Read Case Study →
WHY ZIKOSOFT

Why teams choose us for mobile builds

A senior team that has shipped and operated apps in both stores through submissions, rejections, and steady growth.

Learn more about us →
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Native or cross-platform on merit

We pick the stack that fits the product, not the one we prefer to bill for.

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Real-device engineering

We test on real hardware across screen sizes and OS versions, not just simulators and top-of-the-line phones.

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Own the outcome, not just the code

Store setup, review handling, and release ops are part of the engagement, not a follow-up project.

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Own your stack

Code and store credentials stay with you. Signing keys, provisioning, and repos live in your accounts.

FAQ

Questions teams ask us about mobile

Practical answers on stack choice, store submissions, and how mobile projects actually reach launch.

React Native, Flutter, or native?
React Native and Flutter cover most product apps well. Go native when you need heavy graphics, deep OS integration, or when the app has to squeeze the last bit of performance out of the device.
Can one team ship both iOS and Android?
Yes. With React Native or Flutter, a single team ships both. With native, we run a coordinated iOS and Android track with shared design and API contracts.
How do you handle store submissions?
We prepare metadata, screenshots, privacy manifests, and review notes, run the submission from your developer accounts, and manage rejection responses. First submissions are usually the trickiest — we plan for them.
What about offline and sync?
We design the data model around offline reality from the start — local persistence, queued mutations, and conflict rules — rather than bolting sync on later.
How do you handle app updates?
Phased rollouts, feature flags, and crash-triggered halt policies. Where the platform allows, OTA updates for non-binary changes keep the cadence high without waiting on review.
Can you integrate wearables and health data?
Yes. HealthKit, Google Fit, and BLE integrations, with the privacy and permission handling those platforms require, are part of the engagement when the product needs them.

Ready to plan your next mobile release?

Book a working session and we'll shape the first release around a scope that fits store realities.

Book a Discovery Session →
Building with AI? Zikosoft ships production-grade agentic systems with governance built in. Talk to our AI team →