Apps for crews, staff and customers.
Native iOS, native Android and cross-platform apps built on the same secure APIs as your website, portal and Advanced OS.
Native or cross-platform, chosen by the job.
We pick the approach that fits the device needs, audience, budget and long-term maintenance.
Native Android
Full performance on Android phones, tablets and rugged field devices.
Cross-platform
One codebase for both platforms when speed and consistency matter most.
Apps for every side of the business
Customer apps
Accounts, booking, ordering, payments and status updates.
Field-service apps
Jobs, routes, photos, signatures, checklists and on-site payment.
Employee apps
Approvals, tasks, dashboards and CRM access.
Advanced OS companion apps
Mobile access to Advanced OS for owners, staff, crews and customers.
Device features we use when they remove steps: camera and document capture, GPS, push notifications, offline work, biometrics and payments.
From prototype to the app stores
- 01
User flows
- 02
Prototype and design
- 03
Build and API integration
- 04
Device testing and store release
- 05
Updates through Castle Care
Tell us who will use the app.
Where they'll use it and what they need to get done. We'll recommend the approach and a first release.