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7-day trial for monthly & 14-day trial for annual subscription: Headspace's A/B test

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The bottom line

Headspace tied a 7-day free trial to its monthly plan and a 14-day trial to its annual plan, and conversions rose by double digits. The longer annual trial made that plan more appealing, even though revenue came in later.

Key takeaways

  • Different trial lengths for each plan beat a single trial length. The final design matched 7 days to monthly and 14 days to annual.
    • Headspace tested 7, 14 and 30 day trials before settling on the split.
  • A longer trial on the annual plan makes it more attractive. It gives annual a visible perk over monthly.
  • Conversions rose by double digits. This happened even though immediate revenue was delayed.

The test

Annual gets twice the free trial of monthly
MonthlyAnnual
Free trial7 days14 days
Role of trialStandard try-outVisible perk over monthly
First paymentAfter day 7After day 14
Headspace tested 7, 14 and 30 days, then matched the trial length to the commitment.

Headspace searched for the trial length that would maximize conversions on its paywall.

  • Three trial lengths were compared: 7, 14 and 30 days.
    • The goal was to find the best duration for conversions.
  • The final version set the trial length by subscription type.
    • Monthly got a 7-day trial.
    • Annual got a 14-day trial.
    • Pairing the longer trial with annual was meant to make that option more appealing.
Version A and version B as Headspace tested them.
Version A and version B as Headspace tested them. Screens from abtest.design.

The result

More sign-ups, but annual revenue arrives a week later
Headspace accepted slower cash in exchange for a double-digit lift in conversions.

The split trial raised conversions by double digits, at the cost of slower revenue.

  • Conversions grew by a double-digit share.
    • Immediate revenue was delayed because users start paying later.

In the growth library

Headspace, Paywall & free trial test. Headspace tested free trial lengths of 7, 14 and 30 days and landed on tying trial length to the plan: 7 days for monthly, 14 days for annual. The change produced a double-digit increase in conversions even though revenue arrived later.

Lessons that draw on this:

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