For products that live in a pocket, not just a browser tab

Mobile App Development

A mobile app is not a smaller version of a website. Touch interaction, offline behaviour and platform review cycles are different disciplines entirely, and most mobile disasters trace back to treating them as an afterthought. This practice builds for the platform, whether that means launching new, extending from web, or rebuilding something that has aged out of its tooling.

Talk to UsScope the Work
Built for the platform, not ported to itStore review risk caught before submissionAI augmented, human governedEvidence before estimatesYour IP from day oneOne accountable owner per engagementFounded in 2011. Part of the Vinove Group500+ full-time engineers, as of September 2026NASSCOM member
Watch · the 90-second brief

How a mobile build actually runs

From platform decision to store release, walked through end to end.

90 secWatch without filling in a form.
A mobile app interface in design and development review.90 secSample frame · video pending

01Before choosing a framework

Native or cross-platform is a real trade-off.

The framework decision gets made too fast, usually by whichever engineer has a preference. Four questions settle it properly.

Does the app need platform-specific hardware access?

Deep camera, sensor or background processing needs often favour native. Cross-platform frameworks have closed most of this gap, not all of it.

Is one team maintaining both platforms long-term?

A single small team maintaining two native codebases pays a real ongoing cost. Cross-platform reduces that cost measurably.

Does the interaction model demand native feel?

Complex animations, gestures and platform conventions are where cross-platform frameworks show their seams first.

What is the actual timeline to both stores?

Cross-platform genuinely ships to both platforms faster in most cases. Whether that speed matters more than the trade-offs is your call to make with real numbers.

Native against cross-platform mobile development
Native (Swift/Kotlin)Cross-platform (React Native/Flutter)
Platform feelExact, by constructionVery close, occasional seams
Maintenance costTwo codebasesOne shared codebase
Time to both storesSlowerFaster
Hardware access depthFullGood, with occasional native modules needed

02Agreed before the sprint starts

The ledger that keeps the build honest

Mobile engagements go wrong when store submission surprises show up at the end. This ledger fixes the split up front: what you bring, what we build, what returns, and what stays yours.

  1. Your side

    You bring

    • The product direction and target users
    • Design assets or brand guidelines, where they exist
    • Any backend APIs the app must consume
  2. Our side

    We build

    • A native or cross-platform build matched to your team's future capacity
    • Store submission and release pipeline setup
    • Offline behaviour and platform-specific polish
  3. Your side

    You receive

    • Published apps on the App Store and Play Store
    • A release pipeline your team can run independently
    • Architecture decisions recorded with their trade-offs

Never leaves you

  • Product direction and design authority
  • Store accounts and all intellectual property
  • Approval of every release

Where the line sitsWe carry the platform engineering. Store approval delays and platform review cycles are managed for you, not around you.

03From platform decision to store approval

Four stages, each closing on evidence

Store review cycles punish late surprises. This system front-loads the risk so submission is the least eventful stage rather than the most.

  1. Choose the platform approach

    Native or cross-platform is decided against your actual hardware needs and team shape, recorded so the trade-off can be revisited later.

    A framework decision with reasons attached

  2. Build against real devices, not simulators

    Device fragmentation on Android and platform quirks on iOS surface here, not after submission when they cost a review cycle to fix.

    A build tested on real devices

  3. Prepare for store review

    Store guidelines are checked against the build before submission, because a rejected app costs a full review cycle, often a week or more.

    A submission package ready to pass

  4. Hand over the release process

    Code signing, store credentials and the release pipeline move to your team, so shipping an update never depends on us being available.

    A release pipeline your team owns

04What actually moves the number

Four drivers, not a flat quote

Mobile work is priced against the assessment, because these four factors change scope by multiples.

Driver 01

Platform and framework choice

Native for both platforms costs more upfront than a well-fitted cross-platform build, offset against long-term maintenance.

Driver 02

Offline and sync complexity

An app that must work fully offline with later sync is a materially different engineering problem than one assuming constant connectivity.

Driver 03

Hardware and sensor integration

Camera, location, biometric and background processing features each carry their own platform-specific complexity and review scrutiny.

Driver 04

Design system maturity

A mature design system speeds implementation. Designing the mobile interaction model from scratch alongside the build adds real time.

05Evidence and proof

Apps that shipped clean and kept their ratings.

Mobile proof is store approval on the first submission and ratings that hold through a rebuild. Every record here waits for written client approval before production.

Explore case studies
A web product's core workflow rebuilt as a native mobile app.
Aster North · Product SaaS, US

A web product's mobile app shipped in one release cycle.

Customers had asked for mobile access to Aster North's platform for two years. A touch-native rebuild of the core workflows shipped to both stores in one cycle.

Time to both stores
One release cycle
Store rejection on first submission
None
Sample · pending client approval
A legacy mobile app modernised onto current platform frameworks.
Nexa Foundry · Industrial field ops, EU

A five-year-old app rebuilt without losing its rating.

Nexa Foundry's field app ran on deprecated frameworks nobody wanted to touch. A rebuild preserved the app's store rating and full review history through migration.

Store rating preserved
4.6 stars intact
Legacy framework risk
Fully retired
Sample · pending client approval
Portrait of a product leader reviewing a mobile app release.

They caught a store rejection risk in our design review, a full week before we would have found out the expensive way.

Anika RaoVP Product, Koru Health
Sample · pending client approval

06Read this first

When mobile is the wrong first move

Building native apps before the product is proven wastes budget on two platforms at once. The exits are marked plainly. When mobile is justified, it runs on Swift, Kotlin, React Native and Flutter, with the same backend discipline as the rest of the product.

  • The product concept is still unproven

    Validate on web or a single platform first. Building for both stores before the idea is proven doubles the cost of being wrong.

    MVP development

  • A responsive web app would serve users fine

    Not every product needs a native app. If the use case does not demand offline access or hardware integration, a well-built web app is honest and cheaper.

  • You have mobile engineers who need capacity

    If your team already knows mobile and needs more hands, team extension fits better than a delivery layer on top.

    Team extension
Engagement shapes for mobile builds
ShapeBest whenYou directWe carry
Scoped buildScope and platforms are settledDesign and prioritiesFull mobile delivery
Delivery podScope evolves with user feedbackProduct decisions each cycleEngineering, QA, releases
Team extensionYour leads run mobile deliveryArchitecture and standardsNamed mobile engineers

07Straight answers

Asked before a mobile budget is approved.

Not answered here?

Ask us directly Or scope the work first
Should we build native or cross-platform?

It depends on your hardware needs, interaction complexity and long-term maintenance capacity, which the assessment weighs against your actual constraints rather than a default preference. Both are legitimate choices for different products.

How long does mobile app development take?

A focused app typically ships in eight to sixteen weeks depending on platform choice, integration complexity and store review cycles, which add their own unpredictable delay outside our control.

Do you handle App Store and Play Store submission?

Yes, including the guideline review that catches rejection risks before submission. A rejected app costs a full review cycle to resubmit, often a week or more, so this stage is treated seriously.

Can you take over an app another team built?

Yes, starting with a codebase and architecture assessment. Many inherited mobile apps need targeted modernisation rather than a full rebuild, and the assessment tells you which.

What does mobile app development cost?

Priced against platform choice, offline requirements and integration complexity from the assessment. Cross-platform builds targeting both stores are typically less expensive than dual native builds.

How do you handle offline functionality?

As an architectural decision made explicitly early, because retrofitting offline support onto an app built assuming constant connectivity is materially harder than designing for it from the start.

Do you build the backend too, or just the app?

Both, when needed. API development and mobile app development share this practice's delivery discipline, so a mobile build that needs new backend capability does not require a separate vendor relationship.