Engineering service
Mobile applications built around life in motion.
From customer experiences to tools for teams on the move, AITECHIS develops mobile applications shaped by how people use their devices, complete tasks and stay connected to your business.
Designed for mobile moments
People use their phones between other things.
A mobile application has to work in short, interrupted moments, often one-handed, sometimes with a weak connection. Designing for that is not the same as shrinking a desktop screen, and not every user or task behaves the same way.
- On the moveA glance and one action
- On siteHands busy, task in focus
- Between tasksInterrupted, easily resumed
- At a deskLonger, more detailed use
Short interactions
The most likely next action is available without searching for it.
Changing attention
Screens make sense at a glance and survive being interrupted.
Small-screen hierarchy
One clear priority per screen; the rest is one step away.
Touch controls
Targets sized and spaced for fingers, with visible response.
Reachable actions
Frequent actions placed where a hand can reach them.
Context preservation
Leaving and returning does not lose the task or the input.
Clear feedback
Every action says whether it is saved, sent or confirmed.
Network variability
The app behaves honestly when the connection is slow or absent.
Accessibility
Text size, contrast, screen readers and motion settings are respected.
The mobile experience journey
One journey. Several mobile moments.
Follow one task through an illustrative field-team app: from opening it to a confirmed update. Tap inside the app, or step through the moments.
Illustrative app: A conceptual field-task application. It runs only inside this page: nothing is sent or stored, no real permission is requested, and it is not a client project or a released app.
Moment 1 of 6Arrive
Simulated permission request: no real prompt is shown
Allow “Field tasks” to use the camera?
Used only to attach photos to task updates.
Illustrative snapshot
Update confirmed
Inspect cooling unit
Status: Resolved · Filter replaced
Confirmed by the task service
Task service (conceptual)
Nothing received
The journey, moment by moment
- Arrive: A clear next action on opening.The app opens on today’s assigned tasks with the next one highlighted, so the first tap is obvious.Tasks loaded from the task service when the app opened.
- Understand: What matters first, on a small screen.Task details put location, what to check and the next action ahead of everything else.The screen shows a summary; full history stays one tap away.
- Act: A structured update by touch.Status and common notes are single taps. Typing is optional, not required.The draft is kept in the app’s state if the user is interrupted.
- Device context: Device features, only with consent.Adding a photo asks for camera access first. Declining is a valid choice, and the task continues without it.A device permission allows the camera; it does not authorize anything on the server.
- Connection and feedback: Saved, queued, sent and confirmed are different.The app says exactly where the update is. Without a connection it waits; only the service can confirm it.Queuing while offline is shown as a possible requirement, not a default feature.
- Continue: Back to the work, with context kept.The task shows its confirmed update and the next task is ready, so the user carries on.The list reflects the service’s confirmation, not just the local draft.
Offline queuing is shown as a possible product requirement. Whether an app works offline is decided per project.
What we can build
Mobile applications for customers, teams and operations.
Potential project directions, not completed projects or released apps.
| Direction | Typically used by | Typical moment |
|---|---|---|
| Customer-facing applications | Customers | Checking, ordering, requesting, on their own time |
| Internal team applications | Staff | Quick tasks away from a desk |
| Field-service applications | Field teams | On site, often with an unreliable connection |
| Booking and service applications | Customers and staff | Finding, booking and changing appointments |
| Operational mobile tools | Operations teams | Scanning, checking and recording as work happens |
| Mobile companion applications | Users of an existing platform | The mobile part of a larger system |
| Data and reporting applications | Managers and teams | Reviewing the current picture, briefly |
| Specialized mobile products | A defined audience | A focused product built around one need |
Choose the right mobile approach
Native, cross-platform or web-based: it depends.
Each approach suits different requirements. We recommend one after understanding the functionality, users, distribution and maintenance a project needs, not before.
Native application
Built separately for each platform with its own tools.
Cross-platform application
One shared codebase that produces installable apps for several platforms.
Web-based mobile experience
A web application designed for mobile browsers, optionally installable as a progressive web app where the platform supports it.
| Native application | Cross-platform application | Web-based mobile experience | |
|---|---|---|---|
| Device functionality | Full access to what each platform offers. | Common capabilities shared; some features need platform-specific work. | Limited to what the browser exposes, which differs by platform. |
| Platform integration | Closest to each platform’s conventions. | Close, with some effort for platform details. | Runs in the browser, with lighter integration. |
| Performance | Suited to demanding interactions. | Suitable for most business applications. | Depends on the browser and the device. |
| Distribution | Through platform app stores and their review. | Through platform app stores and their review. | Through a web address; no store needed. |
| Maintenance | A codebase per platform. | Mostly one codebase. | One web codebase. |
| Development scope | Usually the largest. | Usually smaller than separate native apps. | Often the smallest, if browser capabilities are enough. |
Also considered: the user experience required, existing systems and teams, and the resources available to maintain the app.
A progressive web app is a web application that some platforms let users install. It is not a native application, and what it can do varies by platform and browser.
Beyond the screen
The app on the phone is half of the system.
What happens on the device depends on services it talks to. Which parts a project needs, and how they are built, follows from its requirements.
On the device
Interface and navigation
Screens, touch interactions and feedback.
Application logic
What happens after each tap.
State management
Drafts, the current task and what is still unsent.
Error handling
Clear recovery when something fails.
Device permissions
Camera, location or notifications, with the user’s consent.
Behind it
Authentication
Who the user is, and keeping the session secure.
Authorization
What that user may see and change, enforced by the service.
Data services
Where records live and stay consistent.
Backend integration
Connections to existing systems.
Release configuration and monitoring
Builds, environments, crash and error visibility.
A device permission is not authorization. The camera being allowed on a phone says nothing about what the user may do on the server, which the service decides.
Connectivity, state and continuity
Honest about what has actually happened.
Connections drop, apps are interrupted and people return hours later. A well-designed app never implies that something saved on the phone has been received or accepted by the service.
Requested
The user tapped the action.
Saved on the device
Kept locally, possibly queued to send later.
Sent
Transmitted to the service; not yet accepted.
Confirmed
The service accepted it. Only now is it done.
Loading
Show what is coming, and keep what is already there usable.
Retry
Retry safely without creating duplicates.
Local state
Keep drafts and progress through interruptions.
Synchronization
Decide what syncs, when, and in which order.
Conflict handling
Decide what happens when the same record changed elsewhere.
Status messages
Say saved, queued, sent or confirmed, precisely.
Returning to a task
Reopen where the user left off.
Session handling
Expire and renew sign-in without losing work.
Error recovery
Explain what failed and what the user can do.
Offline use and automatic synchronization are design decisions with real cost. We define them per project rather than promising them by default.
How we engineer mobile applications
From context to an app in people’s hands.
An adaptable path. Distribution and review requirements depend on the platforms and delivery method a project chooses.
- 01
Understand users and context
Who uses it, where, and in which moments.
- 02
Define platform requirements
Platforms, device features and the right approach.
- 03
Design mobile interactions
Navigation, touch, feedback and accessibility.
- 04
Plan architecture and integrations
Services, APIs, data, access and state.
- 05
Build the application
In usable increments, on real devices.
- 06
Test device and connection scenarios
Screen sizes, platform versions, interruptions and weak networks.
- 07
Prepare release
Store listings, review requirements or web deployment.
- 08
Maintain and evolve
Platform updates, fixes and new functionality.
Build a mobile experience that fits the moment.
Tell us about a mobile application concept, a customer experience, a tool for field or internal teams, an existing app or a workflow that needs a mobile interface.