Two of the most common SaaS acquisition models: the free trial (full access for a limited time) and freemium (limited features forever free). Most founders pick one without thinking through the implications. Here's how to choose correctly.

Free Trial: Time-Limited Full Access

A free trial gives users complete access to your product for 7, 14, or 30 days. After the trial, they must pay to continue.

Advantages:

  • Users experience the full product value — better chance of converting
  • Natural urgency — the trial end date creates a conversion moment
  • No permanently free users consuming infrastructure costs
  • Easier to track trial-to-paid conversion rate

Disadvantages:

  • Higher barrier to signup than freemium
  • Some users sign up just to use the free period with no intention of paying

Best for: B2B SaaS products where the value is clear within 14 days, and where free riders would be costly to support.

Freemium: Permanently Free Tier

Freemium gives users access to core features forever, with premium features locked behind a paid plan.

Advantages:

  • Massive word-of-mouth potential — free users tell others
  • Lower signup friction — no credit card required
  • Can build a large user base quickly

Disadvantages:

  • Free users consume support time and infrastructure costs
  • Free-to-paid conversion rates are often 1–5% — you need enormous scale
  • Difficult to design meaningful feature gates without crippling the free product

Best for: Products with strong network effects or viral sharing potential (Slack, Notion, Dropbox).

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My Recommendation

For most early-stage SaaS products: use a 14-day free trial with no credit card required. This lowers signup friction while maintaining conversion pressure. Add a credit card requirement later if you're getting too many low-intent signups.

The Hybrid Approach

Some SaaS products successfully combine both models: a forever-free tier with very limited functionality (to build a user base and drive word-of-mouth) alongside a time-limited trial of the full product for users who sign up with a business email. This captures the best of both worlds — viral growth from the free tier and high-intent trial conversion from business users. The risk is added product complexity and support burden. Only consider the hybrid model once your free-to-paid conversion rate is measurable and consistent.