SegmentStream
App by SegmentStream

Incrementality Lab

Run incrementality experiments without a data science team. SegmentStream's GeoLift method, open source at its core: pick markets, hold out spend, and measure what a channel adds on top of what would have happened anyway.

What it adds to your workspace

  • Geo holdout tests planned with three-phase market selection
  • Synthetic control groups and A/A validation
  • Lift, confidence and a written read-out when each test ends

Works with

  • Conversions by region

Install

$ segmentstream add incrementality-lab

▸ files added to your workspace repo

▸ deploy to start

Or ask your agent

“Plan a geo holdout test for our YouTube spend.”

Pricing

Included during early access. Runs on platform usage.

Part of these solutions

More apps

Enterprise pilot

Want Incrementality Lab set up for you?

Our forward-deployed engineers build one solution on your data, in your own workspace, as code you own. Tell us what you run today and what you want; your note goes straight to our founder.

  • One solution, on your data, in your own workspace
  • First version live in two weeks
  • Parity proven before anything is switched off
  • Fixed scope and price, credited to your contract if you continue

Not ready for a pilot? Send the form anyway with your question. An engineer will reply, not a sales rep.

How the pilot works

Goes to our founder’s inbox. No sales queue, no newsletter.

Your company’s context, ready for every agent.

$ segmentstream workspace create acme --region eu

▸ workspace ready · data, objects, metrics and access rules in one place

▸ connect Claude, ChatGPT or Cursor with one connector

▸ tell your agent: “add our billing API as a source”

Start a pilot

Our engineers build the first version on your data in two weeks, at a fixed price.

Or join the waitlist for self-serve:

Pilots are open now. Self-serve opens to the waitlist this fall.