How to convert users to paying customers with trials and a no-cost tier.

In product-led growth, the product does much of the selling: people sign up, try it and upgrade. It suits products that are quick to set up, valuable to an individual or small team and priced low enough to buy without a long approval process. It does not suit products that need integration, data migration or sign-off by several people, where a sales-led approach with a guided pilot usually converts better. Many tech startups end up with a hybrid: self-serve for small customers and sales for larger ones.

Step 1: choose the right model

• Time-limited trial: full or near-full access for a fixed period, often 14 or 30 days. Good when value shows quickly.
• Reverse trial: users start on the top plan and drop to a limited plan when the trial ends, so they feel what they lose.
• No-cost tier: a permanently limited plan. It can drive word of mouth and sign-ups, but costs money to host and support and can attract people who will never pay. Limits must be set so serious users outgrow it.
• Paid pilot: a short, scoped paid project for larger customers, with agreed success criteria.

Step 2: define activation

Activation is the moment a new user first gets real value, such as publishing the first rota or generating the first report. Look at customers who converted and find the actions they took early that others did not. Make reaching that moment the single goal of the trial experience.

Step 3: shorten the path to value

• Ask only for the information you need at sign-up.
• Provide sample data or templates so the product is not empty.
• Use a short checklist in the product and a sequence of helpful emails triggered by what the user has, or has not, done.
• Offer a short onboarding call to larger sign-ups.

Step 4: make the upgrade obvious

Show pricing openly. Prompt upgrades at moments of value, such as hitting a limit or inviting colleagues, not randomly. Make paying simple: card payment for small plans, invoice and purchase order for larger ones. Tell users clearly before a trial ends what will happen.

Step 5: add a human touch for good fits

Score sign-ups on fit (does the organisation match your ICP) and behaviour (have they activated, invited colleagues, used key features). Reach out personally to those scoring highly with a helpful offer, not a hard pitch.

A good personal email to a high-fit trial user is short: notice what they have done (“I saw you set up your first two sites”), offer one specific tip or a 15-minute call to help them finish setting up, and mention a similar customer. Low-fit users still get the automated emails; your time goes where the revenue is likely to be.

Step 6: review conversion by cohort

Group sign-ups by the week or month they joined and track what share activate and pay over time. Cohort analysis shows whether changes to onboarding are really improving conversion, rather than just reflecting a busy month.

Worked example

Stockpot, the fictional Sheffield tech startup selling stock control to restaurants, offered a 30-day trial but saw few conversions. Analysis showed customers who completed a first stock count in week one converted far more often. It reduced the trial to 14 days, added a guided first count with a sample supplier list and sent a nudge on day two to anyone who had not started. A team member called restaurant groups that activated. Trial-to-paid conversion improved within two months.

Common mistakes

• Offering a no-cost tier so generous nobody needs to upgrade.
• Long trials that let users put off trying the product.
• Measuring sign-ups instead of activation and conversion.
• Hiding pricing until a sales call in a self-serve model.

What to measure

• Sign-up to activation rate and time to activation.
• Trial or no-cost tier to paid conversion rate, by cohort.
• Cost of serving non-paying users.
• Early retention of converted customers.