Define the trial success event
Choose the observable action that demonstrates a user has experienced the product's core value.
SAAS TRIAL CONVERSION MODELLER
Free Trial Designer
Define trial length, access, prompts, and success criteria, then project activation and paid conversions from your own acquisition assumptions.
- Uses your inputs in a transparent calculation
- Instant result with practical next steps
- No signup required
Planning guidance only. Validate important decisions with customer evidence and your delivery team.
YOUR INPUTS
Build your result
Complete every field. The result updates only when you choose Calculate.
How it works
Model the cohort
Trial starts are multiplied by activation and activated-user conversion assumptions.
Place the upgrade prompt
Keep the reminder inside the trial window and explain what paid access changes at the moment it matters.
Continue learning: What to measure after launching a SaaS MVP · When high SaaS conversion hides weak retention
Frequently asked questions
What is the best free-trial length?
There is no universal answer. The trial should be long enough for the target user to reach value under realistic usage frequency, then tested with observed cohorts.
Should a trial require a payment method?
That is a commercial, operational, legal, and user-experience choice. Compare clearly disclosed cohorts if both approaches are appropriate; this tool does not choose for you.
Are the projected conversions a benchmark?
No. They are calculated from your own rates. Replace assumptions with observed activation and paid-conversion data after launch.
How We Compare
| Feature | MVPHub | Stripe Billing | Paddle Billing |
|---|---|---|---|
| Activation and conversion projection | Included | Limited | Limited |
| Trial access and timing prompts | Included | Included | Included |
| Explicit success-event definition | Included | Limited | Limited |
| Pre-implementation planning result | Included | Not included | Not included |
Stripe Billing and Paddle Billing implement and manage subscription trials and billing lifecycles. MVPHub models a trial hypothesis before implementation and neither processes payments nor manages subscriptions.
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