Double XP boosts
To encourage you to connect with friends, Duolingo will offer a time-limited XP boost.
See how companies like Duolingo, Calm and Wise design referral schemes, with examples of non-cash rewards, de-risked shares and invite pages personalised to the sender.
Updated: 26/10/2026, view all 1,496 examples
Duolingo rewards referrals with XP, not cash
Calm's 30-day guest pass de-risks shares
Wise names the referrer on its landing page
To encourage you to connect with friends, Duolingo will offer a time-limited XP boost.
After referring a friend and giving them a free trial, Headspace will frame your action positively, and remind you of the benefits of the service.
When opening links from inside Reddit, Washington Post will show personalised offers.
Refind incentivizes user referrals by giving coins and offering to buy them back later at a mystery value.
After completing a Calm meditation, you can share it bundled together with a 30-day guest pass.
If features can be coded in minutes, thoughtful design is what wins
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