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Driving motivation: Opal's A/B test

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The bottom line

Showing lost years turns downloads into committed trials
The trial offer arrives at peak motivation, like signing up for a gym membership to lock in intent.

Opal raised trial sign-ups from downloads from 7% to 17% by showing users how many years of their life they would spend on a phone, and how many they could save. That moment of high motivation made users commit to a free trial and brought in users ready to engage.

Key takeaways

  • Projecting lifetime phone use lifted trial sign-ups sharply. It showed users a large personal cost at the moment they decide.
    • Conversion from download to trial sign-up rose from 7% to 17%.
    • The gain came through several iterations of the approach.
  • Showing years that could be saved created a moment of high motivation. Users saw the product as a way to win back real time.
    • The savings were framed as several years over a lifetime.
  • The approach worked like the commitment effect of gym memberships. Motivated people sign up to lock in their intent.
  • The strategy also drew in users who wanted to engage with the product. Motivation at sign-up shaped who started the trial.

The test and its result

Trial sign-ups jumped from 7% to 17%
Original onboarding7%
Lifetime phone projection17%
The gain came through several iterations of the paywall and free-trial flow, not from a single change.

Opal tied its paywall and free trial to a projection of lifetime smartphone use, and trial sign-ups more than doubled.

  • The new approach projected time spent on smartphones over a lifetime.
    • Users were shown the potential to save several years by using the product.
    • This created a moment of high motivation before the trial offer.
  • The motivation pushed users toward a free trial.
    • The effect is similar to the commitment seen with gym memberships.
    • The test sits in the paywall and free trial category.
  • The result was a higher trial sign-up rate from downloads.
    • The rate went from 7% to 17%.
    • The users gained were motivated to engage with the product.
    • The result came through various iterations, not a single change.
Version A and version B as Opal tested them.
Version A and version B as Opal tested them. Screens from abtest.design.

In the growth library

Opal, Paywall & free trial test. Opal projected how many years a user would spend on their phone over a lifetime and showed how many they could save, creating a moment of high motivation right before the free trial offer. Through several iterations, trial sign-ups from downloads rose from 7% to 17%.

Lessons that draw on this:

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