Pricing

WordPress Plugin Development Cost: What Actually Drives the Price

The cost of a custom WordPress plugin is decided by five things: how many features it has, how many external systems it talks to, how much data it handles, whether it needs an admin interface, and how much of the work is fixing an existing plugin rather than starting clean. Everything else, including the developer's location, matters far less than people assume. This page explains each driver so you can estimate your own project before you ask anyone for a quote.

MagniGeeks quotes every plugin as a fixed price against a written scope. Send your requirements and you will get a scope and a number, not an hourly rate and a shrug.

The five cost drivers

1. Feature count and complexity

A plugin that adds one setting and one behaviour is a day or two of work. A plugin with a dozen interdependent features, each with its own settings and edge cases, is weeks. The number of features matters less than how they interact. Three features that share data cost more than five that do not.

2. Integrations

Every external system roughly doubles the risk in a project. Connecting to a CRM or ERP means authentication, rate limits, retries, error handling, logging, and what to do when the other side is down or sends bad data. A plugin with no integrations is predictable. A plugin with three is a small system.

3. Data volume

Code that works on a hundred records often fails on a hundred thousand. If your plugin will process large catalogues, order histories or imports, it needs background processing, batching and proper indexes, and that is designed in from the start. Retrofitting it later costs more than building it in.

4. Admin interface

A plugin that runs silently is cheaper than one with screens. Settings pages, list tables, reports and dashboards are real interface work with their own testing. Ask whether staff actually need a screen, or whether a well-designed default would do.

5. Greenfield or rescue

Extending or repairing an existing plugin means understanding someone else's decisions first. Sometimes that is quick. Sometimes the existing code has to be rebuilt to make the change safely, and the honest quote says so. We review before pricing rescue work; see WordPress site rescue.

What does not drive the cost as much as you think

Developer location. A senior developer in India and a senior developer in London will quote very different rates for the same scope. The scope, not the rate, decides whether the project succeeds. Cheap hours on an undefined scope cost more than expensive hours on a defined one.
Design. Most plugins do not need custom design. They use the WordPress admin styles and the theme's front-end styles.
"Simple" changes to WooCommerce. WooCommerce is not simple underneath. A one-line change to checkout behaviour can need testing across payment gateways, tax setups and the classic and block checkouts. Budget for the testing.

Typical ranges

These are the same starting prices we publish on our pricing page. Treat them as the floor for a well-defined version of the work, not as a quote.

A change or fix to an existing plugin: from $500. One defined change or problem, scoped, fixed and tested on staging first.
A focused custom plugin: from $1,500. One feature set with its settings, tested across PHP versions, documented, and yours outright.
WooCommerce customization: from $1,000. Pricing rules, product logic and small extensions built through WooCommerce hooks.
WooCommerce checkout work: from $2,000. Fields, conditional logic and gateway work, tested on the classic and block checkouts.
Plugins with integrations or larger scope: most projects land between $1,500 and $6,000.
Over $10,000: starts with a paid discovery phase, so the fixed price rests on a real specification.

Retained development, audits and anything that cannot be scoped up front is billed at $90 per hour, in 15-minute increments, with a log you can read.

How to get an accurate quote

Write down what the plugin must do, as a list of behaviours. "When an order is placed with product X, send the customer's details to system Y and tag them Z."
List every system it touches, with a link to that system's API documentation if you have it.
Estimate the data volume. Orders per month, products in the catalogue, records to import.
Say who will use any admin screens and what they need to see.
Give a budget range. Not to be talked up to it, but so the developer can tell you honestly whether the scope fits, and what to cut if it does not.

Why we can quote fixed prices

We have built and maintained public plugins on wordpress.org since 2014. WP Responsive Menu runs on more than 30,000 sites; RestroPress has over 160,000 downloads. Supporting plugins at that scale for over a decade teaches you where the time goes, which is what makes a fixed price possible without padding it.

Common questions

How much does a simple WordPress plugin cost?

If "simple" means one feature, no integrations, no admin screens and modest data, it is a matter of days. Send the one-paragraph description and we will confirm.

Do you charge hourly or fixed price?

Fixed price against a written scope. Changes after the scope is agreed are quoted separately before they are built, so there are no surprises on the invoice.

Is ongoing maintenance included?

A support window after delivery is included. Ongoing compatibility work as WordPress and PHP move is available as a retainer; see maintenance.

Who owns the plugin?

You do. Full source, no licence tying you to us.

Proof you can check yourself

Every number below is on a page we do not control. Open the links and judge for yourself.

4.95 / 5795 projects for 365 clients on Codeable since 2019Codeable profile

ToptalVerified Expert in Engineering, member since 2019Toptal profile

30,000+active installs of WP Responsive Menu, on wordpress.org since 2014Plugin listing

160,000+downloads of RestroPress, rated 4.4 out of 5 by 102 usersPlugin listing

★★★★★

He was professional from the very first message, responded quickly at every stage, and took the time to really understand my situation before recommending anything. He explained technical decisions in plain language, never made me feel rushed or talked down to, and was genuinely understanding of my priorities and budget.

Lisa V., via Codeable, August 2026

★★★★★

He didn't just identify issues, he explained what mattered, why it mattered, and what should be done next without trying to overcomplicate or oversell anything. I came away with a lot of confidence in both his knowledge and his approach. I've already decided to continue working with him on the next phases.

Brian W., via Codeable, August 2026

★★★★★

He helped update an old custom Genesis child theme to the latest version and ensure compatibility with PHP 8.4. Along the way, he discovered several other problems that he fixed at no cost. He exceeded my expectations in every way.

Don K., via Codeable, August 2026

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