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Duolingo: Language Lessons

91
Quality Score
Transcendent

Duolingo: Language Lessons

High confidence
4.7 ✍️ Editor
✍️ bumetric analysis

This education app dominates the casual language learning space, directly competing with platforms like Babbel and Memrise, while also expanding into adjacent learning verticals like Math and Music. Its substantial user rating, backed by millions of individual reviews, signals immense user satisfaction and robust, long-term traction. Despite its "free" monetization model, the reported monthly revenue, though modest for its scale, indicates successful conversion of a fraction of its vast user base. This suggests Duolingo is a mature product, well past its initial growth phase and focused on sustained engagement and incremental revenue generation. For the education category, a common monetization observation is the effectiveness of freemium models with tiered subscriptions offering ad-free experiences, offline access, or advanced features, often priced competitively to encourage long-term commitment rather than high one-off purchases.

BU Score 91 · Transcendent — category-leading momentum. The full Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.

Track snapshot history and revenue forecast in the Performance section below.

💰 Monthly revenue · now vs forecast
● Right now
$1.4M
per month
12-mo forecast
$1.5M – $2.3M
per month
24-mo forecast
$1.8M – $3.3M
per month
BIG tier
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD 💰 Estimated build cost
$135K
What it cost to build · not monthly revenue
Likely range $100K – $180K
$25K · MVP floor $100K · indie scale $500K+ · studio build
📈 Pays back in ~5 months at current MRR

Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.

Where the money goes
🧱 MVP baseline (design + 1-store ship) +$28K
📱 5 unique screens × $4.5K +$22K
📦 Asset bundle (474 MB) +$40K
Business complexity ×1.50 +$45K
Total estimate $135K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$600K
What it would sell for · not monthly revenue
Marketplace range $425K – $700K · 20× MRR multiple
💸 ~4.4× return on build cost

Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.

How the multiple was built
📺 Ad-supported base 15× MRR
★ rating ≥ 4.7 (premium) +15%
🏷 Business category multiple +10%
Mature user base (1M+ ratings) +8%
Final multiple 20× MRR
👥 Estimated audience size
347.5M
Lifetime downloads (US-equivalent)
Monthly active
76.0M
Daily active
22.5M

Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.

How we sized it
📲 Business engagement ~65 installs / rating
🔁 Business D30 retention 22%
📍 DAU / MAU stickiness 0.30
DAU / MAU 30% sticky
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$1.4M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$1.4M – $1.9M
12 months
$1.5M – $2.3M
24 months
$1.8M – $3.3M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊

BU Investment Matrix

Mixed signals · 57/100BIG TIERcompetitive but cautious
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
6.2
Product Quality
9.5
Revenue Strength
6.1
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
10.0
  • 💰 Revenue: Healthy — $560K - $3080K/mo · BIG tier · medium-low confidence, trajectory unclear.
  • ⭐ Quality: 4.73★ across 5,333,850 reviews — exceptional (top 1% in category).
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: dev shipping weekly.
  • ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $25.2M-$44.8M.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 15 of 16 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (5,348,006 ratings)METRIC
+$12,000
subscriptionREVIEW
+$2,500
Excellent rating (4.7★)METRIC
+$2,200
frequent crashesREVIEW
−$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
cancelledREVIEW
−$1,500
excellent appREVIEW
+$1,500
Mature app (13y old)METRIC
+$1,500
Multilingual (30 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
free trialREVIEW
+$1,200
annoying adsREVIEW
−$1,100
too expensiveREVIEW
−$1,000
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🆕 What's New · v7.133.0

Our mascot owl, Duo, is trading in his usual diet of mice for bugs this week. Yup, we’re squashing those pesky bugs to make the experience better for all of you.

For more Duolingo news, contests and product releases, follow us on Facebook, Twitter, and Instagram @duolingo.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Duolingo: Language Lessons
Developer
Duolingo
Bundle ID
com.duolingo.DuolingoMobile
App Store URL
Open in App Store
Category
Business
Content rating
4+
Languages
AR, BN, CS, NL, EN, FR, DE, EL, HI, HU, ID, IT, JA, KO, PL, PT, PA, RO, RU, ZH, ES, SV, TA, TE, TH, ZH, TR, UK, UR, VI

Company

Website
Not found
Tagline
Learn a language for free
Description
Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Available

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$27.6K/mo
Top-grossing rank
🇺🇸#1 /100   🇬🇧#1 /100   🇩🇪#1 /100   🇫🇷#1 /100   🇯🇵#1 /100   🇨🇦#1 /100   🇦🇺#1 /100
All-time revenue
Not found
Pricing
Not found

Founder

Founder data not yet collected for this app.

Funding

Funding data not yet collected for this app.

Press & Links

Press & Links data not yet collected for this app.

Contacts & Socials

Contacts & Socials data not yet collected for this app.
📈Ratings growth5,353,740 ratings+35% lifetimeShow 3-year history estimate ▾Aug 2023May 2026Jul 2026
Tracked (33 weeks) Pre-tracking estimate (34 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank9 countries
🇺🇸US
#1 /100
🇬🇧GB
#1 /100
🇩🇪DE
#1 /100
🇫🇷FR
#1 /100
🇯🇵JP
#1 /100
🇨🇦CA
#1 /100
🇦🇺AU
#1 /100
🇧🇷BR
#1 /100
🇮🇳IN
#1 /100
📊Category Rank Trajectory#1 now · best #1 · worst #1
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter13 releases tracked
94Q2 2026Q3 2026
🚀Version Release Timeline8 releases tracked
v7.127.1Jun 2026v7.128.0Jun 2026v7.128.1Jun 2026v7.129.0Jun 2026v7.130.0Jul 2026v7.131.0Jul 2026v7.132.0Jul 2026v7.133.0Jul 2026
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

📝 About this app

Learn a new language, chess & more with the world's most downloaded education app! Duolingo is the fun, free app for learning 40+ languages through quick, bite-sized lessons. Practice speaking, reading, listening & writing to build your vocabulary & grammar skills.

Designed by learning experts & loved by hundreds of millions worldwide, our lessons make learning effective & fun and help you prepare for real conversations in Spanish, French, Japanese, Korean, Chinese, Italian, German, English and more.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
💾 474 MB🔞 4+📱 iOS 17.0+🔖 v7.133.0🔄 updated 0d ago🌐 AR, BN, CS, NL, EN +25📂 Business💰 Paid
📅

What Worked™ · Development Pipeline

22 EVENTS TRACKED
Detected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-07
🔧
Shipped update — v7.131.0 → v7.132.0
→ 30 days after: revenue −$14.9K/mo · reviews +32,248 high confidence
2026-07
🔧
Shipped update — v7.130.0 → v7.131.0
→ 30 days after: revenue −$14.9K/mo · reviews +48,365 medium · co-occurring
2026-07
🔧
Shipped update — v7.129.0 → v7.130.0
→ 30 days after: revenue −$14.9K/mo · reviews +63,031 medium · co-occurring
2026-06
🔧
Shipped update — v7.128.1 → v7.129.0
→ 30 days after: revenue −$14.9K/mo · reviews +88,237 medium · co-occurring
2026-06
🔧
Shipped update — v7.128.0 → v7.128.1
→ 30 days after: revenue −$14.9K/mo · reviews +91,110 low · multiple changes
2026-06
🔧
Shipped update — v7.127.1 → v7.128.0
→ 30 days after: revenue −$14.9K/mo · reviews +104,021 low · multiple changes
2026-06
🔧
Shipped update — v7.126.1 → v7.127.1
→ 30 days after: revenue −$14.9K/mo · reviews +99,384 low · multiple changes
2026-06
🔧
Shipped update — v7.126.0 → v7.126.1
→ 30 days after: reviews +100,811 low · multiple changes
2026-06
🔧
Shipped update — v7.125.1 → v7.126.0
→ 30 days after: reviews +103,877 low · multiple changes
2026-06
🔧
Shipped update — v7.125.0 → v7.125.1
→ 30 days after: reviews +103,221 low · multiple changes
2026-06
🔧
Shipped update — v7.124.0 → v7.125.0
→ 30 days after: reviews +105,210 low · multiple changes
2026-05
🔧
Shipped update — v7.123.1 → v7.124.0
→ 30 days after: reviews +97,793 low · multiple changes
2026-05
🔧
Shipped update — v7.123.0 → v7.123.1
→ 30 days after: reviews +95,860 low · multiple changes
2026-05
🔧
Shipped update — v7.122.1 → v7.123.0
→ 30 days after: reviews +91,371 medium · co-occurring
2026-05
🔧
Shipped update — v7.122.0 → v7.122.1
→ 30 days after: reviews +78,460 low · multiple changes
2026-05
🔧
Shipped update — v? → v7.122.0
→ 30 days after: reviews +214,458 low · multiple changes
2026-04
Rating ↑ 4.19 → 4.73 (improved 0.54★)
→ 30 days after: reviews +145,809 high confidence
2026-04
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +145,809 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$42.5K/mo · rating −0.27★ · reviews +5,012,293 low · multiple changes
2026-03
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
→ 30 days after: revenue +$42.5K/mo · rating −0.27★ · reviews +5,012,293 medium · co-occurring
🔎

ASO Keyword Positions

BEST RANK #1
Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
language learning·#1🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍

Multi-Country Performance

Available in 9 of 9 monitored markets
MarketRatingReviewsCurrent version
🇦🇺 AU4.67814★346,3054.67814★ this version
🇧🇷 BR4.86323★1,114,2764.86323★ this version
🇨🇦 CA4.63587★651,1304.63587★ this version
🇩🇪 DE4.59382★818,4884.59382★ this version
🇫🇷 FR4.65508★788,8054.65508★ this version
🇬🇧 GB4.69819★957,4834.69819★ this version
🇮🇳 IN4.72314★199,3584.72314★ this version
🇯🇵 JP4.5465★734,8344.5465★ this version
🇺🇸 US4.72542★5,340,5844.72542★ this version
🔔

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📝 Description

95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Duolingo: Language Lessons: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

More by Duolingo

View all →
📦 Portfolio summaryINDIE studio
4apps·$31K/mocombined
⚠ Concentrated — top app contributes 88% of combined revenue (single-app dependency)

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About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·High confidence

Why high confidence: 5,348,006 ratings · no founder-verified revenue (model estimate only).

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does Duolingo make per month?
Based on our ML-calibrated revenue forecast, Duolingo earns approximately $27K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Duolingo?
Browse the full Business category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Duolingo?
Duolingo is published by Duolingo on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Duolingo's BU Score?
Duolingo has a BU Score of 91/100 (Transcendent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.