Software service / mobile appsMobile appsiOSAndroid

If the workflow belongs in a pocket, the product has to earn that intimacy.

Mobile Apps

Mobile app development for teams that need a serious mobile product, not a smaller copy of the web.

Q: Can this work with React Native?

Yes. The main question is not the label on the stack. It is whether the app can ship reliably and stay coherent as the product grows.

Q: What if our backend is still changing?

That is common, but it changes the delivery shape. We usually tighten contracts early so the mobile layer does not absorb avoidable instability.

Q: What does Mobile Apps usually include?

The work usually includes outputs such as Core app journey, State and integration layer, Release path. We then adjust the scope to the product stage, the technical pressure around the release, and what the team needs to ship next without extra delivery drag.

Q: How does Mijoo usually start a Mobile Apps project?

We usually start with Define the core mobile use case. The goal is to narrow the scope quickly, confirm the technical direction, and make the decisions that shape the next build phase before work spreads too wide.

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

We build customer and internal mobile apps where repeated use, device behaviour, auth, sync, and release quality all influence the product.

Where this usually starts to hurt

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Where we can take responsibility

App flow and interaction: Screen structure, task flow, interaction detail, and the parts of the journey users repeat most.
API, auth, and state: Data handling, authentication, sync behaviour, retries, and the reliability of the app behind the UI.

Share project brief

View projects

In brief

The work usually starts with the core mobile use case, the backend contracts behind it, and the release realities for iOS and Android.

1 core journey

designed to survive interruptions and repeated use

3 pressure points

UX, state, and release risk handled together

real devices

store and device reality accounted for from the start

Direct answer

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

Key takeaways

Direct answer: Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.
Typical output: Core app journey: The main app journey designed and built around the moments users repeat most, not the edge screens first.
Best fit: The workflow genuinely benefits from device features, repeated use, or mobile-first speed.
First weeks outcome: The core mobile flow becomes tighter and more believable on the devices people actually use.
How Mijoo starts: Mijoo usually opens this kind of work with Define the core mobile use case: We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

How we usually open the work

Define the core mobile use case

We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

What the work typically leaves behind

Core app journey: The main app journey designed and built around the moments users repeat most, not the edge screens first.
State and integration layer: Auth, API state, notifications, retry logic, and device-specific behaviour needed to keep the app dependable.

Where we step in

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Why this matters now

Mobile only pays off when speed, trust, and repeated use matter enough to justify a tighter interface. The point is not presence on a phone. The point is a better operating flow.

What the work typically leaves behind

Core app journey

The main app journey designed and built around the moments users repeat most, not the edge screens first.

State and integration layer

Auth, API state, notifications, retry logic, and device-specific behaviour needed to keep the app dependable.

Release path

A realistic route to testing, shipping, and maintaining the app without store chaos becoming the surprise.

Typical situations

A field or customer app

Your users work away from a desk and need a focused app for repeated tasks in the field.

A product that now needs mobile-first

A web flow exists, but it now needs a real mobile experience instead of a smaller browser version.

Release discipline matters as much as UI

The app depends on notifications, auth, sync, or device behaviour that needs careful engineering from day one.

Best fit

The workflow genuinely benefits from device features, repeated use, or mobile-first speed.
The app needs to stay aligned with web and backend systems without feeling like a second-class surface.
Trust, responsiveness, and operational clarity matter more than simply having an app in the store.

Not a fit

A responsive web experience would solve the same problem with less ongoing cost.
The team wants native presence without owning the support and release discipline that comes with it.
The backend or operational model is still too unstable to support a dependable mobile flow.

First weeks outcome

The core mobile flow becomes tighter and more believable on the devices people actually use.
The app architecture starts separating UI polish from sync, auth, and reliability concerns.
Release conversations shift from vague ambition to a concrete, testable shipping shape.

How the work unfolds

The work usually starts with the core mobile use case, the backend contracts behind it, and the release realities for iOS and Android.

Define the core mobile use case

We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

Plan the app shell and sync rules

We define navigation, auth, API state, device behaviour, and offline or retry rules before the implementation grows wider.

Build the mobile layer

We implement the flows, API state, device handling, and the system edges the app depends on.

Prepare release and iteration

We stabilise the build, test launch-critical cases, and leave a clear route for iteration after store release.

What we can own technically

We build customer and internal mobile apps where repeated use, device behaviour, auth, sync, and release quality all influence the product.

App flow and interaction

Screen structure, task flow, interaction detail, and the parts of the journey users repeat most.

API, auth, and state

Data handling, authentication, sync behaviour, retries, and the reliability of the app behind the UI.

Release readiness

Build quality, launch preparation, QA scope, and the operational work needed around shipping a mobile app.

Technologies

The stack we most often use to get this kind of work into production cleanly

App foundation

React Native
Expo
TypeScript
EAS

Product and data

Node.js
NestJS
Express.js
PostgreSQL
Redis
MongoDB
Elasticsearch

Device and release

Push notifications
Deep links
App Store Connect
Google Play Console

Relevant work

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Digitálny Súhlas: a signing flow where stable state and timing had to hold up in real use.

SalesMemo: a repeat-use product flow where operational clarity and a clean transition to admin mattered.

Mobile flow with stable user state.

Digitálny Súhlas

Digitálny Súhlas is an electronic consent and signature platform for organizations that need legally safer, paperless consent collection. It supports both in-person kiosk signing and remote signing via secure online links.

View projects

Operational product flow with a clean admin transition.

SalesMemo

SalesMemo is a mobile-first iOS and Android product that converts voice notes after meetings into structured AI outputs. It helps sales teams generate summaries, tasks, and follow-up drafts in minutes instead of manually rebuilding context.

View projects

Questions before kickoff

Open the contact form with the mobile project type preselected.

01Do you only work with greenfield mobile apps?

No. We can shape a new app or step into an existing one that needs clearer architecture, UX, and release discipline.

02Can this work with React Native?

03What if our backend is still changing?

04What does Mobile Apps usually include?

05How does Mijoo usually start a Mobile Apps project?

06What outcome should we expect in the first weeks?

07When is Mobile Apps not the right fit?

Working through something similar?

Show us where we should step in

Send a short note about the product, its current stage, and the pressure that is slowing the next release down. We open the contact flow in the right context and keep the first step practical.

Open the contact form with the mobile project type preselected.

Share project brief

View projects

Back to services

Software service / mobile appsMobile appsiOSAndroid

If the workflow belongs in a pocket, the product has to earn that intimacy.

Mobile Apps

Mobile app development for teams that need a serious mobile product, not a smaller copy of the web.

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

We build customer and internal mobile apps where repeated use, device behaviour, auth, sync, and release quality all influence the product.

Where this usually starts to hurt

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Where we can take responsibility

App flow and interaction: Screen structure, task flow, interaction detail, and the parts of the journey users repeat most.
API, auth, and state: Data handling, authentication, sync behaviour, retries, and the reliability of the app behind the UI.

Share project brief

View projects

In brief

The work usually starts with the core mobile use case, the backend contracts behind it, and the release realities for iOS and Android.

1 core journey

designed to survive interruptions and repeated use

3 pressure points

UX, state, and release risk handled together

real devices

store and device reality accounted for from the start

Direct answer

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

Key takeaways

Direct answer: Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.
Typical output: Core app journey: The main app journey designed and built around the moments users repeat most, not the edge screens first.
Best fit: The workflow genuinely benefits from device features, repeated use, or mobile-first speed.
First weeks outcome: The core mobile flow becomes tighter and more believable on the devices people actually use.
How Mijoo starts: Mijoo usually opens this kind of work with Define the core mobile use case: We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

How we usually open the work

Define the core mobile use case

We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

What the work typically leaves behind

Core app journey: The main app journey designed and built around the moments users repeat most, not the edge screens first.
State and integration layer: Auth, API state, notifications, retry logic, and device-specific behaviour needed to keep the app dependable.

Where we step in

Mobile engineering for teams whose core use case belongs in a mobile product, not in a squeezed web flow.

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Why this matters now

Mobile only pays off when speed, trust, and repeated use matter enough to justify a tighter interface. The point is not presence on a phone. The point is a better operating flow.

What the work typically leaves behind

Core app journey

The main app journey designed and built around the moments users repeat most, not the edge screens first.

State and integration layer

Auth, API state, notifications, retry logic, and device-specific behaviour needed to keep the app dependable.

Release path

A realistic route to testing, shipping, and maintaining the app without store chaos becoming the surprise.

Typical situations

A field or customer app

Your users work away from a desk and need a focused app for repeated tasks in the field.

A product that now needs mobile-first

A web flow exists, but it now needs a real mobile experience instead of a smaller browser version.

Release discipline matters as much as UI

The app depends on notifications, auth, sync, or device behaviour that needs careful engineering from day one.

Best fit

The workflow genuinely benefits from device features, repeated use, or mobile-first speed.
The app needs to stay aligned with web and backend systems without feeling like a second-class surface.
Trust, responsiveness, and operational clarity matter more than simply having an app in the store.

Not a fit

A responsive web experience would solve the same problem with less ongoing cost.
The team wants native presence without owning the support and release discipline that comes with it.
The backend or operational model is still too unstable to support a dependable mobile flow.

First weeks outcome

The core mobile flow becomes tighter and more believable on the devices people actually use.
The app architecture starts separating UI polish from sync, auth, and reliability concerns.
Release conversations shift from vague ambition to a concrete, testable shipping shape.

How the work unfolds

The work usually starts with the core mobile use case, the backend contracts behind it, and the release realities for iOS and Android.

Define the core mobile use case

We lock the core scenario, remove weak steps, and decide what the app has to do reliably on day one.

Plan the app shell and sync rules

We define navigation, auth, API state, device behaviour, and offline or retry rules before the implementation grows wider.

Build the mobile layer

We implement the flows, API state, device handling, and the system edges the app depends on.

Prepare release and iteration

We stabilise the build, test launch-critical cases, and leave a clear route for iteration after store release.

What we can own technically

We build customer and internal mobile apps where repeated use, device behaviour, auth, sync, and release quality all influence the product.

App flow and interaction

Screen structure, task flow, interaction detail, and the parts of the journey users repeat most.

API, auth, and state

Data handling, authentication, sync behaviour, retries, and the reliability of the app behind the UI.

Release readiness

Build quality, launch preparation, QA scope, and the operational work needed around shipping a mobile app.

Technologies

The stack we most often use to get this kind of work into production cleanly

App foundation

React Native
Expo
TypeScript
EAS

Product and data

Node.js
NestJS
Express.js
PostgreSQL
Redis
MongoDB
Elasticsearch

Device and release

Push notifications
Deep links
App Store Connect
Google Play Console

Relevant work

We step in when the main task happens on a phone and the app needs dependable state, device integration, and disciplined releases from day one.

Digitálny Súhlas: a signing flow where stable state and timing had to hold up in real use.

SalesMemo: a repeat-use product flow where operational clarity and a clean transition to admin mattered.

Mobile flow with stable user state.

Digitálny Súhlas

View projects

Operational product flow with a clean admin transition.

SalesMemo

View projects

Questions before kickoff

Open the contact form with the mobile project type preselected.

01Do you only work with greenfield mobile apps?

No. We can shape a new app or step into an existing one that needs clearer architecture, UX, and release discipline.

02Can this work with React Native?

03What if our backend is still changing?

04What does Mobile Apps usually include?

05How does Mijoo usually start a Mobile Apps project?

06What outcome should we expect in the first weeks?

07When is Mobile Apps not the right fit?

Working through something similar?

Show us where we should step in

Send a short note about the product, its current stage, and the pressure that is slowing the next release down. We open the contact flow in the right context and keep the first step practical.

Open the contact form with the mobile project type preselected.

Share project brief

View projects