Engineering Services
Mobile app development for iOS and Android
Rugged, offline-capable iOS and Android applications that connect floor operators and field technicians directly to your core.

- Offline-firstDesign principle
- iOS + AndroidFrom one codebase
- 13–27Weeks to store release, typically
How we build
How we approach mobile apps
Consumer mobile apps focus on flashy animations, but enterprise mobile apps must survive concrete warehouse floors, remote mining sites without cell towers, and greasy fingers on industrial tablets. If an app crashes or refuses to work offline, work on the ground halts.
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We build mobile applications with an offline-first architecture. Using Flutter, React Native, or native Kotlin/Swift, data is always written locally first to an encrypted SQLite store and reconciled with your backend ERP via conflict-resolving background sync workers when connectivity resumes.
Connected to your core systems
- REST & webhooks
Typical stack
- Flutter (Dart)
- React Native
- Kotlin (Android)
- Swift (iOS)
- SQLite
- Isar / Hive
- WatermelonDB
- Encrypted SharedPreferences
- REST / GraphQL Sync
- WebSockets
What we deliver
Capabilities
Offline-First Architecture & CRDT Sync
Technicians can log work orders, inspect assets, and capture customer signatures underground or in rural areas with zero signal. Changes sync automatically upon reconnect.
Industrial Barcode & RFID Scanning
Deep integration with camera-based scanning and industrial rugged devices (Zebra, Honeywell, CipherLab) for high-speed multi-barcode bin audits and pallet transfers.
GPS Route Tracking & Geofenced Dispatch
Battery-efficient background location tracking, geofence-triggered arrival notifications, and live route optimization for field delivery fleets.
Digital Signatures, Photo Proof & Annotation
Field sign-off capture, on-device image compression, damage photo annotations, and instant automated PDF work certificate generation.
Biometric Auth & MDM Enterprise Deployment
FaceID / Fingerprint security, remote wipe capabilities, and support for enterprise mobile device management (MDM) via Apple Business Manager and Android Enterprise.
Push Notifications & Urgent Escalations
Firebase Cloud Messaging (FCM) and Apple APNs integration for emergency machine breakdown alerts, low-stock warnings, and priority dispatching.
How we deliver
From audit to hypercare
-
I-01
Field Discovery & Hardware Audit
1–2 weeks
We inspect the real work environment: lighting conditions, device form factors, and offline scenarios.
-
D-01
Touch UX & Interactive Prototype
2–3 weeks
We design high-contrast, large-touch-target wireframes and test clickable prototypes on actual mobile devices.
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D-02
Sync Protocol & Schema Spec
1 week
We design the local database schema, conflict resolution logic, and server sync contracts.
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E-01
Core Mobile Build & Hardware Integration
6–14 weeks
Iterative sprint releases distributed via TestFlight and internal Android APK distribution tracks.
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E-02
Store Submission & Enterprise Signing
1–2 weeks
We navigate Apple App Store, Google Play, or private Enterprise MDM store distribution rules.
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A-01
OS Compatibility & Crash Monitoring
Ongoing
Annual iOS/Android version updates, crash log triage, and device fleet telemetry.
Engineering standards
How we build, compared with the usual shortcut
Wrapping a responsive website in an un-cached webview and calling it a mobile app.
True compiled native performance with 60fps animations and offline local storage.
Failing silently and losing unsaved user work when network connectivity drops.
Local-first transactional write queues, so work done offline is kept and synced when the connection returns.
Ignoring battery drain from unoptimized background geolocation polling.
Intelligent motion-aware sensor thresholds that preserve battery life across full 12-hour shifts.
Do you build native or cross-platform mobile apps?
We primarily use Flutter or React Native, which allow compiling to high-performance native binaries for both iOS and Android from a single shared codebase, which lowers build and maintenance cost compared with two native apps. For deep hardware-level drivers, we write native Kotlin and Swift bridges.
Can we distribute the app privately to our staff without putting it on public app stores?
Yes. We support Apple Custom Apps (via Apple Business Manager), Google Play Private tracks, and direct enterprise APK/IPA signing for distribution via your company Mobile Device Management (MDM) system.
How does the app handle data sync when two users edit the same record offline?
We implement deterministic conflict resolution strategies, such as field-level Last-Write-Wins (LWW) with timestamp auditing or human-guided merge flags for high-risk financial data.
Will the app work with physical barcode scanners and receipt printers?
Yes. We have direct experience integrating Zebra, Honeywell, and Sunmi scanners via Bluetooth SPP and HID, as well as thermal Bluetooth ESC/POS printers.
Client work
Mobile apps work we have delivered
Next step
Build, buy or fix what you have?
A 30-minute call. We look at your workflow and data and tell you what we would do first.
First call: 30 minutes · A senior consultant, not a sales rep