GTM Sauce

Retention and expansion

Retention tactics

How apps kept users and subscribers: notifications, habits, win-backs and cancel flows. 94 tactics from 49 founder interviews.

Most founders worked on retention inside the product: they found the one action users repeat, such as a daily question, a timer or three workouts a week, and built streaks, widgets, reminders and progress records around it. Few measured the effect; most linked a feature to retention by correlation. The biggest reported gains came from rebuilding the core habit, while a price cut, a chat feature and some push wins failed to hold users.

Summary written 2026-09-26 from the tactics below. Figures are as founders stated them.

What worked, with the best evidence

Flamme · B2C · couples app

Day-30 retention went from 4.2% to ~50% alongside the daily-question redesign

Carrot: when the daily question goes live in the morning, send a notification ('Hey, come back, answer your question'). Stick: later in the day, if still unanswered, send a notification that you'll lose your streak and your partner will be sad/missing out. The stakes are tied to the partner's happiness, not the streak itself.

Workednotificationsretention
The Superwall Podcast · 2026-03-14

Symmetry · B2C · gym workout tracker

~3% better retention in an A/B test

A/B tested one extra screen at the end of onboarding where the user commits/signs that they will work out, against control. Tracked in PostHog.

Workedonboardingretention
Starter Story · 2026-09-09

Flamme · B2C · couples app

Day-30 retention went from 4.2% to ~30%, then 50%, with streak reminders

Noticed users came back not for the AI coach but for a side feature: a daily prompt couples answer together. Extracted it and made it the mainstay, shown big on the home page ('daily discovery question'), designed as a daily habit trigger based on BJ Fogg's habit research. Took ~8 months of iteration.

Workedretentionfeature-development
The Superwall Podcast · 2026-03-14

Zumba · dance fitness brand and app

Program users watched 2x as many videos; month-2 retention about doubled

Onboarding asks the user's goal (weight loss, getting started, having fun, reducing stress). The app then builds a goal-based program (a curated package of classes) and drops them into it right away instead of a content catalog, to cut decision paralysis. Framed against free YouTube: 'how is this better than YouTube?' Kept releasing more programs and features that reduce choice.

Workedproduct-activationretention
Sub Club by RevenueCat · 2025-08-06

Built With Science · B2C · science-based fitness coaching app

15% of trial starts add a buddy; higher order value and better retention

Prompted by members asking for a family plan. The web quiz asks 'Do you have a gym buddy? Would you like to add them onto your plan?' Both users get 15% off. Those who decline see only a small gym buddy toggle on the pricing page, keeping the paywall simple. Buddies can see each other's workouts and meals and send nudges in the app.

Workedupsell-expansionpricing
Sub Club by RevenueCat · 2026-09-02

Coconote · B2C · AI note-taker for students

Keeps 27% of cancellers in their trial; a smaller share later pay

Most customers start on a free trial, and it is hard to win them back once they turn it off. In the cancel flow, besides showing the value they would lose and asking questions, offer to extend the trial by another 7 days.

Workedcancellation-flowretention
The Superwall Podcast · 2026-04-14

Natal · B2C · pregnancy and postpartum fitness app

31% of community joiners return on day 2; no baseline

As soon as a user enters the app, a real person DMs them ('Welcome to the app. Let me know what I can help you find'). In-app community staffed all day by expert coaches answering pelvic floor and similar questions.

Workedretentioncommunity
Sub Club by RevenueCat · 2026-05-27

Duolingo · B2C · language learning app

Tested; added friction but built trust and delayed cancel decisions. No numbers given

Default: a notification is sent about 2 days before the free trial expires. Test: at trial signup, let the user choose which day they get that reminder. The extra step draws attention to the fact that a reminder is coming and they can cancel later, so users wait until day 5 or 6 to judge whether they are getting value instead of cancelling immediately.

Workednotificationspaywall
Sub Club by RevenueCat · 2026-03-02

Duolingo · B2C · language learning app

Retention mostly neutral, at most a slight hit, across ad tests

Introduced ads in 2016 with a single placement: after a lesson is completed (not app open, not mid-lesson), still the only placement today. Team dogfooded the app daily to judge the feel, and A/B tested each ad change against retention, app closes and reviews.

Workedexperimentationretention
Sub Club by RevenueCat · 2026-01-21

Jungle · B2C · AI study app

Core engagement up 70%; onlookers in libraries ask about it

A tree grows on screen as the user answers questions (plus a jungle river, XP, levels, unlockable trees and a chosen character). Because students study close together on campuses and in libraries, passers-by see the tree and ask what it is.

Workedretentionproduct-virality
The Superwall Podcast · 2025-12-09

Welltory · B2C · Apple Watch stress and energy app

Worked best in that spot, against best-practice advice; no numbers

Right after the health-data sync and data agreement screens, before any analysis or value is shown, the onboarding asks users to turn on notifications, contrary to the usual 'show value first' advice.

Workedonboardingnotifications
The Superwall Podcast · 2026-09-03

Sunflower · B2C · addiction recovery app

4M+ messages handled in a year; users say it saved their lives

Started as a ChatGPT wrapper, then prompt optimization, then an agent ('Sam') with app-wide context and memory: proactively follows up (e.g. on payday), replies to posts in the community, runs prompted sessions. Risky conversations escalate to a clinical team under a VP of Therapy; biometrics and data erasure protect users from abusive partners. Next: integration with a teletherapy clinic (relapse scores to therapists, homework follow-ups).

Workedfeature-developmentretention
The Superwall Podcast · 2026-04-03

What didn't work, or only partly

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Benchmarks

More tactics (74)

New tactics every Monday

The week's founder interviews, boiled down to what they did and what happened.

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