Mobile app development from idea to store launch
Cross-platform iOS and Android apps — product definition, UX, UI, build, testing and the store submission work that trips most first-time publishers.
Starting at $4,999
100+ countries
Templates in use worldwide
1–2 business days
Typical reply to a project brief
You own the output
Design and code transfer on final payment
Framer, Webflow, Next.js
Platform chosen to suit who maintains it
Mobile Apps, in short
The questions people ask before anything else.
- What does the build cover?
- The full path: product definition, UX and UI design, cross-platform development, testing on real devices, store listing preparation and submission to the App Store and Google Play.
- Which platforms do you build for?
- iOS and Android from a single cross-platform React Native codebase. That keeps one codebase rather than two, which is what makes a first app affordable.
- How much does it cost?
- Starting at $4,999, moving with feature scope and whether a back end is required.
- Do you handle App Store submission?
- Yes. Store listings, assets, review guidelines and the submission itself are included — it is where first-time publishers most often get rejected.
What usually brings people here
If several of these sound familiar, this is the right service.
What is happening now
- You have an app idea but no clear line between v1 and someday.
- Quotes for separate iOS and Android builds have doubled the budget.
- You do not know what the stores require until a submission is rejected.
- The mobile experience is currently a website in a browser tab.
What should happen instead
- A defined v1 scope with the rest written down for later.
- One cross-platform codebase serving both stores.
- Store requirements handled by someone who has read the guidelines.
- A real app with native navigation and offline behaviour considered.
Who this is for
We would rather you self-select out now than three weeks into the wrong project.
A good fit if
- You need to be on iOS and Android.
- The product genuinely benefits from being an app rather than a website.
- You can commit to maintaining it after launch — apps need updates.
Probably not the right fit if
- A responsive website would do the job — that is cheaper and easier to maintain.
- You need heavy platform-specific native features; we will tell you if your case needs true native.
What you actually receive
Grouped by stage, so you can see where the work goes.
Definition
- Product discovery and v1 scope
- Feature prioritisation
- Platform and architecture decisions
Design
- User flows
- UI design for iOS and Android conventions
- Interaction and navigation patterns
- App icon and store assets
Development
- Cross-platform build
- API integration
- Authentication where required
- Push notification setup where required
- Offline and error handling
Release
- Testing on real devices
- Store listing copy and screenshots
- App Store and Google Play submission
- Post-launch fix window
How the project runs
Idea
What the app does and why it is an app rather than a page.
UX
Flows and navigation resolved for both platforms.
UI
Interface design respecting each platform’s conventions.
Development
Cross-platform build with integrations.
Testing
Real devices, real conditions, not just simulators.
Store launch
Listings, assets, submission and review responses.
Not sure whether this is the right service for what you need?
Book a Free CallWhat clients say about working with us
DiverseKit delivered a solid design start, clarified needs gracefully, and rebuilt the site when platform limits required it. Highly Professional!!!
Archit Batra
Founder/CEO at Binge Media
Everything was done exceptionally well! DiverseKit was highly professional, attentive, and delivered exactly what we needed.
Myles Magee
CEO & Founder at Corner League
Always a pleasure working with them! Professional, reliable, and attentive, they make every project smooth and enjoyable.
Owen Kluck
Growth Lead at Conversion Park
Pricing
Published up front, because hiding it wastes everyone’s time.
Starting at
$4,999
Starting at $4,999. Final pricing depends on feature scope, whether the app needs a back end, and how many platforms you ship to.
What happens after you get in touch
- You send a brief or book a call.
- We review the requirements.
- We clarify scope and goals with you.
- You receive recommended scope, timeline and pricing.
- Work starts once you approve it.
We reply to briefs within 1–2 business days.
Mobile Apps questions
The things people ask before committing.
We build cross-platform with React Native, which serves both stores from one codebase. If your app genuinely needs deep platform-specific native work, we will tell you at the discovery stage rather than take the project and struggle.
Usually ten to twenty weeks from definition to store submission, depending on scope and whether a back end is being built alongside.
Yes — Apple and Google accounts should be in your company’s name. We will walk you through setup, but you own them, which matters if you ever change developer.
We handle the review response and resubmission as part of the launch. Rejections are common on first submissions and usually procedural rather than fatal.
Only if it stores or syncs data. Plenty of useful apps do not. We will tell you which you need during scoping rather than adding one by default.
Apps need ongoing maintenance — OS updates break things on a schedule you do not control. Ongoing support is scoped separately after launch.
Tell us about your project
The more you can tell us about what exists today and what you need, the more specific the scope and price we can come back with.
Prefer to talk it through first? Book a call
Where people usually go next
The services that most often pair with this one.
UI/UX & Product Design
Product design with real deliverables — flows, wireframes, UI, states, design system.
From $2,499MVP / SaaS
Get from product idea to a usable first version without overbuilding it.
From $4,999Custom Development
Engineering work — integrations, dashboards, portals, tools and custom functionality.
From $2,499Build your App
Send a brief and you will hear back within 1–2 business days with recommended scope, a timeline and pricing. No obligation, and no automated sequence.
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