Prepare for your Duolingo growth interview

Gamification, retention loop design, and viral growth cases calibrated to Duolingo’s PLG-first, streak-obsessed, data-driven growth culture.

Socratify AI

The Interview

What Duolingo is looking for

Growth Case Interview

PLG & Retention Growth Cases

01Retention Loop & Streak Design

02Gamification Mechanics

03Viral Referral & Social Sharing

04Activation & Habit Formation

Behavioral Interview

01Raise the Bar

02Ship It

03Make it Fun

04Data-Driven Judgment

World-class gamification and streak psychology//PLG viral loops and referral mechanics//Retention engineering for daily habit formation

Practice Library

Duolingo exercises

Ready to ace your Duolingo growth interview?

Prepare for your Duolingo growth interview

Gamification, retention loop design, and viral growth cases calibrated to Duolingo’s PLG-first, streak-obsessed, data-driven growth culture.

Socratify AI

The Interview

What Duolingo is looking for

Growth Case Interview

PLG & Retention Growth Cases

01Retention Loop & Streak Design

02Gamification Mechanics

03Viral Referral & Social Sharing

04Activation & Habit Formation

Behavioral Interview

01Raise the Bar

02Ship It

03Make it Fun

04Data-Driven Judgment

World-class gamification and streak psychology//PLG viral loops and referral mechanics//Retention engineering for daily habit formation

How It Works

Master Duolingo Growth Interviews

PLG retention cases and behavioral rounds, scored on Duolingo’s growth and gamification evaluation dimensions. · Click to expand

1Your Growth Goals

Growth Strategy

Practitioner

Metric Decomposition

Practitioner

2Growth Case Prep

Duolingo’s streak feature is core to retention. How would you expand it to increase...

CASE INTERVIEWMedium

Duolingo

3Frameworks

Framework

Is new user acquisition declining?

Paid channel efficiency dropping?

Google CPA up 42% YoY

Facebook ROAS down 28%

Organic & referral growth weak?

Referral rate -8% MoM

SEO traffic flat for 3 months

Are new users failing to activate?

Onboarding funnel dropping off?

Day-1 completion: 38% (target: 70%)

Step 3 exit rate: 61%

Aha moment rate too low?

Core feature used by 22% of Day-3 users

Is retention below benchmark?

D30 retention lagging peers?

Current D30: 19% vs benchmark 28%

Churn spike at Day 7

Re-engagement loop broken?

Push CTR: 2.1% (benchmark: 4%)

4Feedback

Growth Strategy

Distinctive

Experimentation Design

Strong

Metric Decomposition

Meeting Bar

Communication

Strong

Repeat

Practice Library

Duolingo exercises

Duolingo’s Day-30 retention for new learners has dropped 6% in two quarters despite...

LEARNMedium

EdTech · RetentionDuolingo

Design a viral referral loop for Duolingo that drives 20% new user growth in one quarter...

CASE INTERVIEWHard

EdTech · ViralityDuolingo

Duolingo wants to increase streak shield adoption from 12% to 25% of active users....

LEARNMedium

EdTech · ExperimentationDuolingo

Tell me about a time you designed or improved a product experience that made users want...

BEHAVIORALMedium

Behavioral · Retention & Habit DesignDuolingo

Describe a situation where you had to balance fun and delight against learning...

BEHAVIORALHard

Behavioral · Product JudgmentDuolingo