Mobile app development process showing discovery, user experience flow, interface design, build, device testing and release

Mobile App Development ServicesMost apps fail quietly.
Usually before a line of code.

Apps do not fail because the engineering was poor. They fail because nobody validated that people wanted the thing, or because nobody planned how it would be found and kept alive after launch. Our mobile app development services build for both.

iOS & AndroidReact Native or nativeApp Store OptimisationPost-launch support
Engagement at a glance
Typical timeline12–24 weeks to first release
PlatformsiOS and Android
ApproachValidated scope, phased release
IncludedStore listing, ASO, analytics
HandoverSource, store accounts, docs
After launchCrash monitoring and iteration
Swift & KotlinReact NativeOffline-firstPush & deep linksStore submissionCrash monitoring
99.6%Crash-free sessions
<1.8sCold start target
4.5+Store rating target
<24hHotfix turnaround
30dLaunch support
At a glance

Mobile App Development Services at a glance

Our mobile app development services cover iOS app development, Android app development and cross platform app development with React Native and Flutter — from product scoping and UX to launch, analytics and App Store optimisation.

Get a free audit →
What’s included
  • Product scoping
  • UX & UI design
  • iOS app development
  • Android app development
  • Cross-platform (React Native, Flutter)
  • Launch & ASO
What’s included

What an app build includes

One team from product discovery to store launch, so nothing gets lost between design, development and release.

  • Product discovery & UX

    User flows, scope and success metrics agreed before a line of code.

  • UI design system

    Components and screens designed for iOS and Android conventions.

  • iOS & Android development

    Native Swift and Kotlin, or React Native where it genuinely fits.

  • Backend & API integration

    Authentication, data and third-party services connected securely.

  • Analytics, crash & push

    Event tracking, crash monitoring and notifications set up from day one.

  • Store submission & launch

    App Store and Google Play listings, review and release handled.

Standards

What we hold every build to

Apps are judged publicly and permanently. A one-star review from a crash on launch week outlives almost everything else you do.

  • PASS

    Crash-free sessions above 99.5%

    Monitored from day one with alerting. Store ranking, review scores and retention all degrade sharply with instability, and reviews left during a bad week are effectively permanent.

  • PASS

    Cold start under two seconds

    Measured on a mid-range device rather than the newest phone. Slow launch is the most common reason an installed app quietly stops being opened.

  • PASS

    Works on a poor connection

    Offline states, retry logic and cached content designed in from the start. Apps that assume good connectivity fail exactly when people most need them to work.

  • PASS

    Analytics before launch

    Funnel and retention events instrumented before release. Adding analytics later permanently loses the data about your first and most informative cohort.

  • PASS

    Store listing treated as SEO

    Title and keyword fields drive most organic installs. A listing written as marketing copy rather than for store search wastes the cheapest acquisition channel you have.

  • PASS

    You own the accounts

    Developer accounts, signing certificates and source in your name. Apps published under an agency account are genuinely difficult to recover if the relationship ends.

What is changing

Four shifts in mobile

The economics of apps have changed considerably. These shape what we recommend building.

Cross-platform closed the quality gap

React Native and Flutter now produce apps most users cannot distinguish from native, at meaningfully lower cost. Native still wins for heavy graphics, sustained background work or deep hardware access.

Store discovery got harder

Organic browsing has largely collapsed. Installs come from store search, existing audience and paid acquisition, so a launch plan matters more than the build.

Privacy changed acquisition

Attribution is far less precise than it was. Owned channels and store search have become more valuable relative to paid install campaigns, which are harder to measure honestly.

Web apps close the gap for many uses

Progressive web apps now handle push, offline and installation. For content and booking use cases they frequently make more sense than a store app, and cost far less to maintain.

Targets

The targets we set for an app build

Stability and speed targets agreed in the proposal and monitored publicly after launch.

  • 99.6%Crash-free sessionsMonitored with alerting
  • <1.8sCold startMid-range device
  • 4.5+Store ratingWithin two releases
  • <24hHotfix turnaroundAutomated pipeline

These are planning targets rather than a record of past client averages; we agree a realistic range against your own baseline before an engagement starts. Retention and install numbers depend heavily on the product itself — engineering can make a useful app succeed, but it cannot make an unwanted one work, and we will say so during validation rather than after launch.

How it runs

How an app project runs

A typical first release takes three to four months, with a working build on your phone every fortnight.

Week 1Week 5Week 10Week 16
  1. Discovery

    Scope, user flows and technical approach agreed.

  2. Design & prototype

    A clickable prototype tested with real users.

  3. Build & test

    Two-week sprints with a new build on your device each time.

  4. Launch & support

    Store submission, monitoring and 30 days of launch support.

Questions

Mobile App Development FAQs: what clients ask before commissioning an app

Honest answers on cost, platform choice and whether you need an app at all.

Sachkhand teamUsually replies within one business day
Do we actually need an app?

Often not. Apps make sense when people use you repeatedly, when you need device features like camera or location in the background, or when offline use matters. For occasional use, content or a single booking, a fast responsive site does the job with no install friction and no store approval. We will tell you if that is your situation before taking a build budget.

Native or cross-platform?

Cross-platform for most business apps — one codebase, meaningfully lower cost, and quality users generally cannot distinguish. Native when you need sustained background processing, heavy graphics or deep platform integration. The decision should follow the product, and we will explain the trade-off rather than defaulting to whichever we prefer.

How much does an app cost?

It varies enormously with scope, which is exactly why we validate scope first. What inflates budgets is rarely the core feature; it is authentication, payments, integrations, admin tooling and the long list of features added because they seemed cheap. Narrowing the first release is the single most effective way to control cost.

How long until launch?

Twelve to twenty-four weeks for a focused first release. Store review adds days, not weeks, but rejections happen and are usually about privacy declarations or incomplete listings, so we prepare submission materials well before the build finishes.

How do people find the app once it launches?

Mostly store search and your existing audience. Organic browsing has largely disappeared, so the store listing matters more than most teams expect — title and keyword field especially. We treat the listing as a search problem, and it is included rather than being an extra.

Who owns the app and the store accounts?

You do. Developer accounts are created in your name, signing certificates are yours, and source is handed over with documentation. Apps published under an agency account are genuinely hard to recover, and we consider that arrangement unacceptable regardless of how the relationship ends.

What happens after launch?

Both platforms release annual updates that break things, so an unmaintained app degrades within a year or two. We monitor crashes and performance, and scope iterations against real retention data. If you would rather maintain it in-house, the handover is built to make that genuinely possible.

Ask your own question →
Next step

Thinking about building an app?

Tell us what you want it to do. We will tell you honestly whether it needs to be an app, what a validated first release looks like, and what it would cost.

Free product and scope review
Honest app-versus-web recommendation
Phased release plan
Fixed-price first-release proposal
Chat With Us
Book Free Audit & consultation!
45 min · Free audit + strategy + consultation · No obligation