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RapidDev - Software Development Agency
App developers in Kansas City, MO

Mobile & web app development in Kansas City

RapidDev builds custom mobile and web apps in Kansas City, typically shipping a production MVP in 6–12 weeks for a fixed $13,000–$25,000. That is a fraction of the cost of hiring an in-house team in the KC metro (roughly $370,000 in the first year for two engineers) or commissioning a Kansas City agency ($75,000–$250,000 per build). One team ships the iOS app, the Android app, and the web app on shared infrastructure, and the founder owns all of the code.

One team for your iOS, Android, and web build. We help Kansas City founders go from Figma or a Lovable prototype to a production app your users — and your investors — actually trust.

  • 600+ apps shipped
  • 4.9 on Clutch
  • Seed & Series A friendly
  • Fixed-price, no surprises
4.9Clutch rating
600+Happy partners
17+Countries served
190+Team members

Why building in Kansas City is different

Kansas City isn't Silicon Valley, and that's exactly the advantage — it's a capital-efficient, operator-driven market where apps have to earn their keep against real logistics, health-IT, and fintech workflows, not just impress a demo-day crowd. The KCRise Fund alone manages over $100 million in committed capital with a deliberately hyper-local mandate, and homegrown exits like PayIt and BacklotCars proved that fundable, category-leading products get built here. But KC founders raise leaner than the coasts, so the math on a $355K–$400K in-house team or a six-figure agency retainer rarely works for a v1. We build for that reality: production-grade code that survives a diligence review, shipped on a fixed budget that leaves room in the round for actually finding customers.

The Animal Health Corridor

The stretch between Manhattan, KS and Columbia, MO is the world's single densest concentration of animal-health companies — 300+ firms accounting for roughly 56% of global animal-health, diagnostic, and pet-food sales. It's a huge, underserved market for diagnostics, herd-management, and pet-care apps that most coastal agencies don't understand.

Health IT depth from Cerner / Oracle Health

Oracle Health (formerly Cerner) runs its EHR business from a North Kansas City campus with thousands of employees. That legacy seeded a deep local bench of health-IT and integration talent — and a steady stream of founders spinning out to build the next generation of digital-health products.

Logistics is the home-field advantage

KC is the largest rail center in the U.S. by tonnage, sits at the crossroads of I-35, I-70, and I-29, and holds more foreign-trade-zone space than any other U.S. city. Supply-chain, freight, and dispatch apps aren't a niche here — they're the core economy, and KCRise even names logistics as a primary investment focus.

Hyper-local capital and cheap fiber

KCRise Fund invests pre-seed to Series A with a strict local-connection requirement, Five Elms Capital anchors growth-stage SaaS, and Kansas City was Google Fiber's very first city — cheap gigabit that helped ignite the developer community over a decade ago. Capital is patient and operator-friendly, which rewards a lean, shipped v1 over an expensive burn.

the KC metro by the numbers

KCRise Fund committed capital across its funds
$100M+
KCRise Fund committed capital across its funds
KCRise Fund, 2025
KCRise Fund portfolio companies (pre-seed to Series A)
48
KCRise Fund portfolio companies (pre-seed to Series A)
KCRise Fund, 2025
Companies in the KC Animal Health Corridor
300+
Companies in the KC Animal Health Corridor
KC Animal Health Corridor / Flatland KC, 2025
Share of global animal-health sales run through the corridor
56%
Share of global animal-health sales run through the corridor
Area Development / KC Animal Health Corridor, 2025
Startups funded by Digital Sandbox KC since 2013
220+
Startups funded by Digital Sandbox KC since 2013
KCSourceLink, 2025
Largest U.S. rail center by tonnage
#1
Largest U.S. rail center by tonnage
KC Area logistics profile, 2025

Who we build for in the KC metro

Logistics & Supply Chain

KC is the largest U.S. rail center by tonnage and a national freight hub — apps for tracking, dispatch, and carrier ops are core to the local economy.

Health IT & Digital Health

Home to Oracle Health (formerly Cerner), KC has deep EHR and health-tech talent — HIPAA-aware patient and provider apps are a natural fit here.

Fintech

Homegrown wins like C2FO and EyeVerify put payments, working-capital, and biometric-security apps that need Stripe and real compliance in KC's wheelhouse.

Animal Health & Agtech

The KC Animal Health Corridor is the world's densest cluster — 300+ companies driving diagnostics, herd-management, and pet-care apps.

GovTech

KCRise-backed exits like PayIt built government-payment platforms here — civic and public-sector apps have a real local track record.

B2B SaaS

From Five Elms-backed vertical SaaS to homegrown dashboards, KC's capital-efficient SaaS scene needs multi-tenant admin panels and role-based access.

What kind of apps can you build in Kansas City?

RapidDev builds native and cross-platform mobile apps, Next.js web apps and dashboards, full MVP-to-scale product builds, and production AI features for Kansas City founders — mobile and web ship from one team on shared infrastructure.

No stitching together an app shop and a web agency. We scope and ship your iOS, Android, and web product on shared infrastructure — so everything actually works together.

Mobile

Native & cross-platform mobile apps

One codebase, both stores. We build React Native and Expo apps that pass App Store and Play Store review the first time, with the native feel your users expect.

  • iOS + Android from a single React Native / Expo codebase
  • Push notifications, offline mode, and deep linking
  • App Store & Play Store submission handled end-to-end
  • Crash reporting, analytics, and OTA update pipeline
Web

Web apps & dashboards

Fast, SEO-ready web apps on Next.js. From investor-facing marketing sites to the logged-in product itself — dashboards, admin panels, and operations tooling for logistics and health-tech teams.

  • Next.js app with server rendering and clean SEO
  • Role-based dashboards and internal admin tooling
  • Stripe billing, subscriptions, and usage metering
  • Analytics, A/B testing, and conversion instrumentation
Mobile + Web

MVP-to-scale product builds

The whole thing, mobile and web, on shared infrastructure. Ideal when you're moving off a Lovable or Bubble prototype that's hit its ceiling and need production code that raises well.

  • Shared Supabase / Postgres backend across web + mobile
  • Auth, payments, and a real data model built to scale
  • Migration off no-code prototypes without losing your data
  • Handover docs so your future in-house team can take over
Mobile + Web

AI features & integrations

Ship the AI feature your product actually needs — chat, search, or agents — wired to your data with streaming, evals, and cost controls, not a demo that falls over.

  • LLM chat, RAG, and semantic search over your own data
  • Streaming UIs on both web and mobile
  • Usage-based billing and per-customer cost guardrails
  • Evals and monitoring so quality doesn't drift

How we work — no black boxes

You see a working, deployed build every single week. Here's the exact path from a first call to a launched app — five steps, no surprises.

  1. Step 145 min

    Free scope call

    We map your idea (or your stuck prototype) to a concrete feature list, a fixed price, and a timeline. You leave with a plan whether or not you hire us.

    What you get

    A fixed price + timeline

  2. Step 2Week 1–2

    Design & architecture

    Clickable Figma flows and a technical architecture you sign off on before a line of production code is written. No surprises later.

    What you get

    Clickable Figma + signed-off architecture

  3. Step 3Week 2–10

    Build in weekly sprints

    You get a working, deployed build every single week — not a black box. Test on real devices, give feedback, watch it take shape.

    What you get

    A deployed build every week

  4. Step 4Final week

    Launch & handover

    We handle App Store and Play Store submission, production deploy, and a full handover — code, docs, and access are yours to keep.

    What you get

    Live app + all code and access

  5. Step 5Optional

    Ongoing support

    Keep us on a retainer for new features and fixes, or take the wheel with your own team. Your call — we don't lock you in.

    What you get

    A retainer — or a clean exit

The stack we build on

Production-grade, boring-in-the-best-way tools that your future in-house team can hire for and maintain. No lock-in, no proprietary magic.

React NativeMobile
ExpoMobile
Swift / KotlinMobile
Next.jsFrontend
ReactFrontend
TypeScriptFrontend
Node.jsBackend
SupabaseBackend
PostgreSQLDatabase
Clerk / Auth.jsAuth
VercelHosting
OpenAI / AnthropicAI
StripePayments

How much does it cost to build an app in Kansas City?

Building a custom app in Kansas City costs anywhere from $13,000 with RapidDev to $250,000+ with a large agency, depending on who builds it. Here is the honest math on the four realistic paths — with real 2025–2026 Kansas City numbers, not a vendor's guesswork.

Hire a team in-house in KC

~$355K – $400K / yr

true first-year cost of a minimal 2-engineer team

2–4 months just to hire, then build
  • Full-time institutional knowledge stays in-house
  • Direct control over roadmap and priorities
  • Right long-term move once you're past product-market fit
  • KC base salaries run ~$126K each — loaded cost is ~1.4x with benefits, payroll tax, equity and tooling (~$176K per engineer)
  • Senior engineers take 40–60 days to fill, plus 15–25% recruiter fees per hire
  • You're paying full salaries for months before a single feature ships
  • Two people can't cover iOS, Android, web, design and DevOps

Kansas City / US agency

$75K – $250K+

typical price for a comparable custom build

4–8 months
  • Deep bench, senior talent, established process
  • Can handle very large, complex enterprise scope
  • 3–10x our price for a comparable v1 — you fund their overhead and account managers
  • Long timelines and heavyweight process before anything ships
  • Change requests are billed; scope creep gets expensive fast
  • Overkill for a founder shipping a fundable v1

Offshore / freelance

$25 – $50 / hr

typical Eastern Europe / LatAm blended rate

Highly variable — often 2–3x quoted
  • Lowest sticker price per hour
  • Fine for well-specced, low-risk pieces of work
  • 8–12 hour timezone gap turns a one-day fix into a week
  • Rework is common — cheap hourly gets expensive when it's built twice
  • IP ownership and security review often can't survive investor diligence
  • No single accountable owner when something breaks
Our recommendation

RapidDev

$13K – $25K

fixed price, quoted before we start

6–12 weeks to a live, submitted app
  • Fixed price with no hourly billing and no surprises
  • One team ships iOS, Android, web and design together
  • A working, deployed build every single week
  • Production-grade code you own outright — investor-diligence ready
  • 6–20x cheaper than in-house or agency for a comparable v1
  • Not the right fit for a 30-engineer enterprise platform build
  • Best for a focused, fundable v1 — not an open-ended R&D contract
Book a free scope call
Cost and timeline to build a custom app in Kansas City: hiring in-house versus an agency, offshore, or RapidDev.
PathTypical costTime to first shipped product
Hire a team in-house in KC~$355K – $400K / yr2–4 months just to hire, then build
Kansas City / US agency$75K – $250K+4–8 months
Offshore / freelance$25 – $50 / hrHighly variable — often 2–3x quoted
RapidDev$13K – $25K6–12 weeks to a live, submitted app

The numbers behind this, sourced

$126K
KC software engineer median base salary
Glassdoor, Oct 2025
$126,221
KC React Native developer average annual pay
ZipRecruiter, 2026
$129,137
KC software engineer average salary
Indeed, 2026
~1.4x
Loaded-cost multiplier over base (benefits, tax, equity)
SHRM / standard fully-loaded benchmark
15–25%
Recruiter fee on first-year salary, per hire
Dover / daily.dev, 2025
$171K
Average custom mobile app build cost (US agencies)
Industry benchmark of 5,000+ projects, 2025

For the price of two to three months of one KC engineer's loaded salary, RapidDev ships your entire app — mobile, web, and backend — in 6 to 12 weeks.

What does app development cost in Kansas City?

App development in Kansas City with RapidDev costs a fixed $13,000–$25,000, quoted before any code is written rather than billed by the hour. A focused single-platform MVP starts at $13,000; a full mobile-plus-web product with payments and AI features runs up to $25,000.

You get a fixed price before we write a line of code — quoted, not billed by the hour. Every Kansas City build lands in the $13K–$25K range depending on scope.

Focused MVP

$13K – $16K
4–6 weeks

Solo founders and pre-seed teams validating one core flow with real users.

  • One platform — web or mobile
  • Core feature set, auth, and a clean UI
  • Deployed to production + store submission
  • Weekly builds and a working demo every sprint
Book a free scope call
Most popular

Launch-ready product

$17K – $21K
6–9 weeks

Seed-stage startups shipping a fundable v1 to the App Store and the web.

  • Mobile + web on shared infrastructure
  • Payments, notifications, and analytics wired in
  • Design system and investor-ready polish
  • App Store & Play Store submission handled
Book a free scope call

Scale build

$22K – $25K
9–12 weeks

Series A teams replacing a no-code MVP or adding serious AI features.

  • Complex data models, roles, and admin tooling
  • AI features with evals and cost controls
  • Migration off Lovable / Bubble / Bolt prototypes
  • Full handover docs for your in-house team
Book a free scope call

Recent work in the KC metro

A few of the builds we've shipped for Kansas City founders. Details generalized to protect client confidentiality.

Logistics & Supply Chain
8 wksprototype → first paying customer

Challenge: A KC founder had a Bubble prototype for a carrier-dispatch app but couldn't handle real-time load tracking or onboard their first freight-broker customer.

What we shipped: We rebuilt the backend on Supabase with real-time updates, shipped native iOS + Android for drivers, and added a Next.js dispatcher dashboard — landing their first paying broker.

React NativeSupabaseNext.js
Health IT & Digital Health
9 wksconcept → provider pilot

Challenge: A team of ex-Cerner engineers had a patient-intake concept but no HIPAA-aware infrastructure and no way to pass a health-system security review.

What we shipped: We built a HIPAA-aware backend with real RLS and audit logging, shipped a provider web app plus a patient mobile app, and cleared the pilot's security checklist.

Next.jsSupabaseReact Native
Fintech
0data lost in migration

Challenge: A KCRise-backed team had outgrown a no-code MVP for their working-capital marketplace — every new feature broke billing and they couldn't hire into it.

What we shipped: We migrated their data into a proper Postgres schema, rebuilt on Next.js with Stripe and role-based access, so they could finally scale and hire engineers.

Next.jsPostgreSQLStripe

The team behind your build

190+ people across 17 countries, a 4.9 rating on Clutch, and 600+ apps shipped. Here's the leadership standing behind your build.

Matt Graham, CEO & Founder at RapidDev

Matt Graham

CEO & Founder

Founder of RapidDev, a global software firm whose team has delivered 1,000+ client projects. He helps founders cut through the hype and ship practical, production-grade software — fast.

Columbia University · Harvard Business School · U.S. Navy veteran · 1,000+ client projects

Matt on LinkedIn

Anna

COO

Runs operations across RapidDev's 190+ person, 17-country team — the person making sure your build ships on time and on scope.

Craig

CTO

Owns the technical bar for every build: the architecture, code quality, and security review that has to survive investor diligence.

Maria

Dev Lead

Leads the engineers who ship your weekly builds across iOS, Android, and web on shared infrastructure.

Frequently asked questions

Do you build both the iOS/Android app and the web app, or just one?

Both — that's the whole point of working with us instead of stitching two vendors together. We build your mobile app (iOS and Android from one React Native codebase) and your web app on shared infrastructure, so your data, auth, and payments live in one place instead of three. That matters for logistics and health-tech apps where drivers or providers are on mobile and back-office staff are on the web.

We built a prototype in Lovable / Bubble / Bolt. Can you take it over?

Yes, and it's one of the most common reasons Kansas City founders come to us. No-code prototypes are great for validation but hit a ceiling on security, scale, and hiring. We migrate your data into a real database and rebuild the product in production-grade code you own — usually without losing any of your existing data.

How much does an app cost, and how is it priced?

Most builds land between $13,000 and $25,000, quoted as a fixed price before we start — not billed by the hour. After a free 45-minute scope call we send a concrete feature list, price, and timeline. The band depends on scope: a focused single-platform MVP sits near the bottom, a full mobile + web product with payments and AI features toward the top.

How long does it take to launch?

Typically 6–12 weeks from kickoff to a live, submitted app. A focused MVP can ship in 4–6 weeks; a full mobile + web product with AI features runs closer to 9–12. You get a working, deployed build every week, so you're never waiting months to see progress.

Do we need to meet in person in Kansas City?

No — we work with KC-metro founders remotely and asynchronously, on both the Missouri and Kansas sides. You'll have a dedicated point of contact, weekly demos, and a shared board. If you prefer a video kickoff or working sessions, we're happy to schedule around Central time.

Who owns the code and the App Store accounts?

You do — completely. The code lives in your GitHub, the App Store and Play Store listings are under your accounts, and we hand over full documentation at launch. We never hold your product hostage, and you're free to bring the work in-house or hire your own team whenever you want.

Can you build for regulated industries like health IT or fintech?

Yes — a lot of what KC builds is regulated, and we design for that from the start. We build HIPAA-aware architectures with real row-level security and audit logging for health-tech, and PCI-conscious Stripe integrations for fintech. We prioritize the flows that pass a health-system or investor security review, not just the ones that demo well.

What if we're not technical? Can we still work with you?

Absolutely — most of the founders we work with are non-technical or first-time technical founders. We handle every technical decision, explain trade-offs in plain English, and give you a product you can maintain or hand to a future CTO. You focus on customers and fundraising; we handle the build.

How can you be so much cheaper than hiring in-house or a KC agency?

It comes down to structure, not corners cut. A two-engineer in-house team in Kansas City runs roughly $355,000–$400,000 in the first year once you load base salaries (~$126K each) with benefits, payroll tax, equity, tooling, and recruiter fees — and that's before anything ships. We scope a fixed set of features up front, so there is no open-ended hourly meter. A small, senior-only team does the work directly — you're not paying for account managers or junior engineers learning on your budget. And we reuse hardened production patterns for auth, payments, and infrastructure instead of rebuilding them from scratch each time.

What happens if something breaks after launch?

Every build includes a 30-day bug-fix window after launch — if something we shipped breaks, we fix it at no extra cost. Beyond that, you can keep us on an optional monthly support retainer for ongoing fixes and new features, or take the code in-house and maintain it yourself. You own the code either way, so you are never locked in.

What if I want to change something mid-build?

Small adjustments within the agreed scope are just part of the weekly sprint — you review a working build every week and give feedback we fold in. If you want to add or swap something bigger that changes the scope, we handle it with a simple change order: we tell you the price and timeline impact before doing the work, you approve it, and only then do we build it. No surprise invoices, and no silent scope creep.

Book your free scope call

Pick a time and get your fixed price

Grab a 45-minute slot with our team below. We'll map your idea — or your stuck Kansas City prototype — to a concrete feature list, a fixed $13K–$25K price, and a timeline. You walk away with a real plan either way.

  • A free 45-minute scope call — no obligation, no sales pressure
  • A fixed price and timeline before any code is written
  • You leave with a concrete plan, whether or not you hire us

Prefer email? Contact us instead.

Ready to build your app in Kansas City?

Book a free 45-minute scope call. You'll walk away with a concrete feature list, a fixed price, and a timeline — whether or not you decide to work with us.

Serving Kansas City and the KC metro · Remote-friendly · You own everything we build

We put the rapid in RapidDev

Need a dedicated strategic tech and growth partner? Discover what RapidDev can do for your business! Book a call with our team to schedule a free, no-obligation consultation. We'll discuss your project and provide a custom quote at no cost.