What is the difference between Effective Experiments and Growth Method?

Effective Experiments is an enterprise Experimentation Ops platform built for large, cross-functional CRO programmes that run on tools like Optimizely and VWO. Growth Method is a work management platform for growth marketing teams that connects directly to analytics and runs campaigns through plan, launch, analyse and repeat.

Which is better for CRO, and which for growth marketing?

Effective Experiments is the stronger choice for large, mature CRO and AB testing programmes. Growth Method is the better fit for centralised growth marketing teams that want structure, analytics integrations and reporting without enterprise weight.

Are Effective Experiments and Growth Method priced similarly?

Both start at around £100 per month. Effective Experiments caps viewer licences per plan and rises to custom enterprise contracts, while Growth Method includes unlimited viewer seats from the start.

Effective Experiments vs Growth Method: An Honest Comparison

Table of contents

The short answer
Effective Experiments vs Growth Method at a glance
Where Effective Experiments wins
Where Growth Method wins
Which should you choose?

Effective Experiments and Growth Method both help teams manage a backlog of ideas, run them and report on results. The difference is who they are built for. Effective Experiments is an enterprise CRO platform. Growth Method is built for growth marketing teams. Here is an honest comparison.

The short answer

Choose Effective Experiments if you run a large, mature CRO programme across multiple teams and live inside AB testing tools like Optimizely and VWO. Choose Growth Method if you are a growth marketing team that wants a clear backlog, analytics integrations and reporting without the weight of an enterprise Experimentation Ops suite.

Effective Experiments vs Growth Method at a glance

Built for: Effective Experiments serves large, cross-functional CRO and experimentation programmes. Growth Method serves growth marketing teams, consultants and agencies.
Core focus: Effective Experiments is strongest at conversion rate optimisation and AB testing. Growth Method covers broad growth marketing.
Integrations: Effective Experiments is designed to sit alongside Optimizely and VWO. Growth Method connects directly to Google Analytics, Amplitude, Mixpanel and PostHog.
Unit of work: Effective Experiments manages an experimentation program. Growth Method runs campaigns through plan, launch, analyse and repeat.
Viewers: Effective Experiments caps viewer licences per plan. Growth Method includes unlimited viewers.
Adoption: Effective Experiments suits a considered enterprise rollout. Growth Method is quick for a marketing team to adopt.
Pricing: Both start at around £100 per month. Effective Experiments rises to custom enterprise contracts.

Where Effective Experiments wins

Effective Experiments is a mature, capable platform, and it is honest to say where it leads. It is trusted by large organisations including Cisco, Sage and GSK, and its Experimentation Ops framework is built for exactly that scale.

Enterprise CRO programmes with governance, roadmaps and program-health reporting.
Deep AB testing integrations with Optimizely and VWO for teams that live in those tools.
Cross-functional coordination across many teams running structured experimentation.

The platform is built on a sound principle about idea volume:

The best way to have a good idea is to have lots of them.

Thomas Edison, quoted on the Effective Experiments platform

Our full Effective Experiments review covers the product in depth.

Where Growth Method wins

For a growth marketing team rather than an enterprise CRO function, Growth Method fits better:

Right-sized structure. You get a backlog, workflow and reporting without a quarter-long enterprise rollout.
Analytics, not another CRO tool. Native integrations mean you are not maintaining an experiment in two systems.
A cadence that compounds. Time-boxed stages keep campaigns moving so you run more of them.
Unlimited viewers. Share results across the team and with stakeholders at no extra cost.

We are on-track to deliver a 43% increase in inbound leads this year. There is no doubt the adoption of Growth Method is the primary driver behind these results.

Laura Perrott, Colt Technology Services

Which should you choose?

It comes down to your team. Effective Experiments is the right tool for a large, testing-heavy CRO programme. Growth Method is the right tool for a growth marketing team that wants momentum, analytics and reporting without enterprise overhead.

If you are still weighing options, see our best Effective Experiments alternative guide and our ranked best agentic marketing platforms list. When you are ready, get started with Growth Method.