Software companies have three main ways to turn interest into customers. A demo-led funnel asks prospects to talk to sales before they use the product. A free trial gives full or partial access for a limited time. Freemium gives a permanently free tier and charges for more usage or features. Each model changes the whole funnel: the marketing, the sales team, the product and the metrics. Choosing the wrong one can mean high acquisition costs, a sales team buried in small accounts, or thousands of free users who never pay. This article explains how each model works, which fits which situation and how to measure each.
Demo-led: sales guides the buyer
In a demo-led funnel, marketing generates requests for a demo or consultation, sales qualifies and runs the demo, and the buyer purchases, often after a proposal and negotiation. It suits larger deals where the value justifies sales time, complex products that need configuration or integration, buying processes with several stakeholders, and markets where buyers expect guidance. Its strengths are control over the sales process and the ability to shape larger deals. Its weaknesses are cost per customer and speed: every customer needs sales time, and buyers who want to try before talking may go elsewhere.
Free trial: try before buying
A free trial gives prospects access to the product, usually for a fixed number of days, after which they must pay to continue. Some trials require payment details upfront; others do not. Trials suit products that show their value quickly, that buyers can set up without much help, and where the buyer and user are the same or close. Success depends heavily on onboarding: if users do not reach the key action that shows the product's value within the trial, they rarely convert. Trials can be combined with sales outreach to the most promising trial users.
Freemium: free forever, pay to grow
Freemium offers a permanently free tier with limits on usage, features or users, and charges when customers need more. It suits products with low cost to serve each free user, a free tier that is genuinely useful on its own, and natural growth through use, for example collaboration tools where users invite colleagues. Freemium can build a large user base and strong word of mouth, but most free users never pay, so the economics depend on the conversion rate from free to paid, the cost of serving free users and the expansion revenue from those who do pay.
Choosing by deal size, complexity and time to value
These factors usually decide the model more than preference does.
| Factor | Demo-led | Free trial | Freemium |
|---|---|---|---|
| Typical deal size | Larger | Small to mid | Small, expanding over time |
| Setup complexity | High; needs help | Low to moderate; self-serve | Low; instant value |
| Time to first value | Can be weeks | Within the trial | Within the first session or days |
| Cost to serve a non-paying user | Not applicable | Limited by trial length | Must be low |
| Buyer vs user | Often different people | Often the same | Users spread the product |
| Main metric | Demo to opportunity to win rate | Trial to paid conversion | Free to paid conversion and expansion |
Hybrid models
Many software companies combine models. A common pattern is a free trial or free tier for self-serve buyers, with sales engaging accounts that show signs of a larger opportunity, such as company size, number of users invited or use of advanced features. These are often called product-qualified leads. Another pattern is a demo-led motion for enterprise customers alongside a self-serve plan for small teams, with different pricing and paths on the website. Hybrids work when the paths are clear to buyers and the sales team has rules about which accounts to engage, so it does not spend time on accounts that would buy anyway or are too small to justify the effort.
Metrics for each model
Demo-led: demo request rate, demo-to-opportunity rate, win rate, sales cycle length and cost per customer. Free trial: trial start rate, activation rate (share reaching the key value action), trial-to-paid conversion, time to convert and early churn. Freemium: sign-up rate, activation, free-to-paid conversion, time to upgrade, cost to serve free users and expansion revenue. For any model, track cost per paying customer and payback. The freemium-to-paid pipeline modeller on this site helps estimate how free-tier volume and conversion translate into revenue.
Testing a change of model
Changing the funnel model is a significant decision, so test before switching. For a demo-led company considering a trial, offer a trial to a segment, such as smaller companies or a particular region, while keeping demos for others, and compare cost per customer, conversion and retention after enough time for the trial cohort to mature. For a trial company considering freemium, model the cost of serving free users and the expected conversion before launching. Watch for effects beyond the funnel: a self-serve model needs stronger onboarding and support content, and a demo-led model needs sales capacity.
Common mistakes
Offering a free trial for a product that takes weeks to set up, so users never reach value before the trial ends. Launching freemium without limits that create a natural reason to upgrade. Requiring a demo for small, simple purchases, which loses buyers who want to try. Letting sales chase every free or trial user. And measuring sign-ups rather than activation and paid conversion. Each of these can be avoided by matching the model to deal size, complexity and time to value.
What each model asks of marketing
Marketing works differently under each model. In a demo-led funnel, marketing's job is to generate qualified demo requests from the right companies, so content, paid search and account-based programmes aimed at buying committees matter most, and success is measured in qualified opportunities. With a free trial, marketing drives trial starts but shares responsibility for activation, so onboarding emails, in-product guidance and use-case content become part of the marketing remit. With freemium, marketing focuses on sign-up volume from the right audience and on lifecycle messaging that prompts upgrades when users approach limits. In each case, judge marketing on the metric that predicts revenue for that model, such as qualified opportunities, activated trials or paid conversions, rather than on sign-ups or form fills alone.
Pricing page and website implications
The model you choose should be obvious on the website. A demo-led company leads with a request-a-demo call to action, explains what happens in the demo and may show pricing ranges or a starting price. A trial company leads with start a free trial, states the trial length and whether a card is required, and shows plans and prices clearly. A freemium company leads with get started free and makes the limits of the free plan and the benefits of paid plans easy to compare. Hybrid models need clear paths: for example, self-serve plans with prices, plus a talk-to-sales option for larger teams with a stated threshold. Confusing or competing calls to action, such as a trial button and a demo button with no guidance on which to choose, often reduce conversion for both.
FAQ
Offer a demo when deals are large or setup is complex. Offer a free trial when users can set up the product themselves and see value within the trial period.
A free trial gives access for a limited time before payment is required. Freemium offers a permanently free tier with limits and charges for more usage or features.
A trial or free user whose product usage or company profile suggests a likely paying customer, so sales engages them.
Activation rate, trial-to-paid conversion, time to convert and early churn, plus cost per paying customer.
Yes. Many companies offer self-serve plans for small teams and a sales-led path for larger accounts, with clear rules for when sales engages.
It depends. Requiring a card usually reduces trial starts but raises the share that convert. Test both against your goals for cost per paying customer and retention.
Long enough for a typical user to reach the key value action, which depends on setup time. Measure time to activation and set the trial length around it.
Yes, but test with a segment first, such as smaller companies, and compare cost per customer and retention before changing the whole funnel.
It can when the free tier is useful on its own, cheap to serve and spreads within teams. For complex products with long setup, a guided trial or demo usually works better.