Skip to content
tactern
ExplorePatternsCompanies
Search library/Submit a tactic
tactern

Growth is a practice. Study the patterns.

Explore the libraryAboutOur methodologySubmit a tacticPrivacy
© 2026 Tactern
Explore growth tactics | Tactern
The library

Find your next growth idea.

Follow a company, investigate a pattern, or start with the stage you're working on.

Filter library

Reset
Search the library
Growth stage Select any
Pattern Select any
Business model Select any
Audience Select any
6 tactics matching “referral”

Company → Tactic → Pattern → Flow

referral
DropboxReferral loop
01Existing user
02Shares invitation
03Friend signs up
04Installs desktop app
05Both earn storage
Mechanism map · Tactern analysis
Dropbox

Two-Sided Referral

Dropbox gives the inviter and eligible new user additional storage after the referral requirements are completed.

Acquisition
Virality
Product-led
UberReferral loop
01Find eligible offer
02Share invitation
03Complete qualifying activity
04Reward issued
Mechanism map · Tactern analysis
Uber

Referral offers tied to local programs

Uber provides referral programs whose rewards and qualifying steps depend on market and participant type.

AcquisitionViralityMobility
WahdaReferral loop
01Join waitlist
02Receive referral code
03Share invite link
04Friend completes signup
05Earn points
Mechanism map · Tactern analysis
Wahda

A waitlist referral becomes a shared quest

Wahda gives waitlist participants a referral code, points for successful signups, dashboard missions, and a leaderboard reward chance.

AcquisitionViralityCommunity
RevolutReferral loop
01Receive campaign
02Invite friend
03Friend completes requirements
04Eligible inviter rewarded
Mechanism map · Tactern analysis
Revolut

A reward after qualifying actions

Revolut referral campaigns specify actions an invited person must complete for an eligible reward.

AcquisitionViralityProduct-led
WiseReferral loop
01Open eligible offer
02Share link
03Friend gets discount
04Qualifying transfer
05Inviter receives reward
Mechanism map · Tactern analysis
Wise

A free transfer for a friend, a reward for the inviter

Wise’s free-transfer invite program gives friends a transfer discount and rewards inviters after qualifying transfers.

AcquisitionViralityFintech
DuolingoCollaboration loop
01Join friends quest
02Complete learning activity
03See shared progress
04Return to help finish
Mechanism map · Tactern analysis
Duolingo

Friend Quests make progress a shared commitment

Duolingo’s Friends Quests pair eligible learners around a shared challenge.

ActivationRetentionProduct-led