Your product is live. Make it win.
Harnsy helps SaaS founders turn messy product signals into focused experiments, sharper decisions, and a growth rhythm the whole team can follow.
Start free. No credit card required.
A straightforward founder promise
Clarity over dashboard theater.
Harnsy is being built to help you make decisions—not bury you in charts.
No invented certainty
Signals stay connected to context, assumptions, and the experiment that produced them.
Built for small teams
Start with a lightweight workflow and add process only when your growth motion needs it.
From shipped to successful
A practical loop for finding growth.
Harnsy gives post-launch teams one place to read the signal, pick the bet, and remember what worked.
- 01
Turn signals into a weekly plan
Bring acquisition, activation, retention, and revenue into one focused view. Harnsy highlights what changed and what deserves attention next.
- 02
Run tighter experiments
Define the hypothesis, owner, success metric, and review date before work starts—then keep the result attached to the decision.
- 03
Keep the team in the loop
Share a concise growth pulse without turning every update into another meeting or sprawling dashboard tour.
Simple plans
Start lean. Upgrade when the loop clicks.
Clear monthly pricing for founders and compact product teams. Cancel anytime.
Explore
For a founder shaping the first repeatable growth habit.
- One product workspace
- Core growth pulse
- Three active experiments
- Weekly planning view
Momentum
For teams ready to connect more signals, run a shared experiment queue, and build institutional memory.
Good to know
Questions before you start?
The build was step one
Now give your product a growth system.
Put the next signal, experiment, and decision in one place with Harnsy.