"How much does it cost to build an app?" is almost always the first question a founder asks, and almost always the wrong first question, not because cost doesn't matter, but because the honest answer is another question. “How much does an app cost?” rarely produces a useful answer on its own. A simple app with a few screens is a very different project from a marketplace with payments, real-time tracking, multiple user roles and a custom backend.

For founders, the better question is not simply“What is the price of an app?”It is:

“What does my product actually need, and what is the smallest version worth paying to build?”.

Why there's no single number

An app's cost isn't set by the idea , it's set by what the idea requires once it's actually built. A basic app with a handful of screens and no backend logic to speak of is a different build than one with user accounts, payments, real-time messaging, and an admin dashboard behind it. Both get called "an app." Only one of them takes a fraction of the time.

This is why a number quoted without context "$15,000" or "$150,000" tells you almost nothing on its own. The number only means something once it's attached to a specific scope.

Realistic ranges, and a caution about where they come from

Industry wide, a simple, narrowly scoped app typically starts somewhere in the five figure range, a mid complexity app with real backend logic and integrations usually lands well into six figures, and a complex, multi platform product with custom infrastructure can run considerably higher than that. Maintenance afterward typically adds 15 - 20% of the build cost annually, which founders budgeting only for launch often miss entirely.

Here's the honest caveat, a lot of what's published online about app costs specifically in Nigeria is inconsistent to the point of being unreliable figures that contradict each other wildly, sometimes from the same source. Treat any single number you find from a generic listicle with real skepticism. The only number worth trusting is one tied to your actual, specific scope from a team that's going to build it.

What determines the cost of building an app?

There is no universal price because an app is not a single product category.

The cost is usually shaped by several decisions made before development begins.

1. The number of platforms

Are you building for Android, iPhone, the web, or several platforms?

2. The features and business logic

A basic information app might only need screens, content and contact forms. An e-commerce product could require accounts, product management, payments, order tracking, notifications and an admin dashboard.

3. The backend

What users see on their phones is only one part of most serious applications.

The backend may handle: User accounts and authentication, Databases, Payments, APIs, Notifications, Business rules, Admin dashboards, Data processing, Security, Integrations with other services

This is why two apps with a similar number of screens can have completely different development costs.

4. Integrations

An app that works independently is generally simpler than one that depends on several external systems.

Payment gateways, maps, SMS providers, identity verification services, analytics platforms and other APIs all introduce additional development and testing requirements.

Each integration also creates another dependency that needs to keep working after launch.

5. Security and compliance

Some products need considerably more security work than others.

A simple content application does not have the same risk profile as a fintech product handling financial transactions or a healthcare platform handling sensitive information.

The scoping alternative: build less, learn faster

There's a second way to answer "how much will this cost", don't price the whole product, price the smallest version that actually tests your idea. That's the logic behind an MVP, and it's not a compromise, it's a different question entirely. Petizzy, a pet community app, shipped its core version accounts, profiles, feeds, messaging, moderation in eight days, built on a reusable backend https://serviceblocks.biz/services/mvp-development/ rather than custom infrastructure from zero. That's not a universal timeline, but it's a real example of what tight scoping does to both cost and speed.

A founder who insists on building every feature before launch is pricing a different, much larger product than the one that actually needs to exist yet.

How to get a real number

The only way to get a cost figure you can actually plan around is to scope your specific app with a team that will build it not a generic guide. https://serviceblocks.biz/contact/
That conversation should define what's actually required for a first version, price that phase clearly, and tell you upfront what's deliberately left out.

"Book a call" this is a bottom of funnel, decision stage article, the natural next step is getting a real quote.