When to move from WordPress to a custom MERN application
WordPress can take a business a long way. Here are the five signs it is time for a custom web application — and what it costs.
Key takeaways
- Stay on WordPress while your needs are content, marketing and simple transactions.
- Move to a custom app when the product *is* the software: multi-user workflows, real-time data, complex permissions or an API others integrate with.
- Expect an MVP to cost $5,000–$15,000 and take 6–12 weeks; budget for hosting and maintenance afterwards.
Sign 1: you are fighting plugins instead of building features
When the fifth plugin conflict of the month costs a day of developer time, the platform is no longer saving you money.
Sign 2: users log in to do work, not to read
Dashboards, multi-step workflows, team roles and per-user data are what application frameworks are designed for.
Sign 3: performance problems you cannot cache away
Personalised, real-time screens defeat page caching. A React front end with a Node API handles this natively.
Sign 4: you need an API
If partners or mobile apps need to integrate with you, a purpose-built API beats bending the WordPress REST API into shape.
Sign 5: the data model no longer fits posts and meta
Relational or document data with many entities and relationships is painful in post meta and fast in MongoDB or PostgreSQL.
The hybrid option
Often the best answer is both: keep WordPress for marketing content and SEO, and build the application as a separate MERN app on a subdomain. You get the best of each without a risky big-bang rewrite.
Frequently asked questions
How long does an MVP take?
Six to twelve weeks for a focused first version with authentication, a core workflow, billing and an admin view.
Need this done for your business?
Get a free audit and a fixed-price proposal within 48 hours.