Duolingo is an American educational technology company offering language learning apps with 42 language courses ranging from major languages to less common ones like Welsh, Irish, and Navajo, plus constructed languages like Klingon. The platform also provides courses in music, math, and chess, using gamification with points, rewards, and spaced repetition to motivate learners through short daily lessons. Beyond language learning, Duolingo offers the Duolingo English Test for certification and Duolingo ABC for children's literacy. Operating on a freemium model with advertising-supported free content and premium ad-free subscriptions, Duolingo is the world's most popular language learning platform and the most downloaded education app in App Store history. Signal Plug searches live against duolingo.com's mail server to find and verify email addresses for any Duolingo, Inc. employee.
Signal Plug searches live against duolingo.com's mail server — not a static database. Get a verified email for any Duolingo, Inc. employee with confidence score in under 2 seconds.
94% accuracy · No credit card required · 10 free searches/month
Duolingo is an American educational technology company offering language learning apps with 42 language courses ranging from major languages to less common ones like Welsh, Irish, and Navajo, plus constructed languages like Klingon. The platform also provides courses in music, math, and chess, using gamification with points, rewards, and spaced repetition to motivate learners through short daily lessons. Beyond language learning, Duolingo offers the Duolingo English Test for certification and Duolingo ABC for children's literacy. Operating on a freemium model with advertising-supported free content and premium ad-free subscriptions, Duolingo is the world's most popular language learning platform and the most downloaded education app in App Store history.
Competitive Advantage
Duolingo offers constructed languages like Klingon alongside traditional languages, making it unique in the language learning space. The company achieved top-grossing education app status globally in 2019, demonstrating strong monetization despite a free-first model. Duolingo combines language learning with non-traditional subjects like chess and music, expanding beyond traditional language education.
The most commonly verified format at Duolingo, Inc.:
Medium ConfidenceSignal Plug tests all common patterns against Duolingo, Inc.'s live mail server and returns whichever passes the SMTP check.
Run a live search for Duolingo, Inc. →Data-driven signals to help you prospect Duolingo, Inc. effectively.
Duolingo recruits talent from tech, product, and design backgrounds seeking innovative EdTech environments. The company attracts mission-driven professionals interested in making education universally accessible and those passionate about gamification and user engagement at scale.
Primary Contact
Education Technology Managers
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against duolingo.com's mail server — not a static scraped database — which means results reflect the real, current state of Duolingo, Inc.'s email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real Duolingo, Inc. contacts before upgrading.
Enter the contact's name
Type the first and last name of the Duolingo, Inc. employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use duolingo.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring Duolingo, Inc. contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of Duolingo, Inc. names in a single batch.
Duolingo, Inc. competes directly with Rosetta Stone, Babbel, Busuu and others in the Educational Technology space.
| Company | Size | Tier | Focus | Email Format |
|---|---|---|---|---|
| Duolingo, Inc. | Language Learning, EdTech Apps | firstname.lastname | ||
| Rosetta Stone | — | — | — | firstname.lastname |
| Babbel | — | — | — | firstname.lastname |
| Busuu | — | — | — | firstname.lastname |
| Memrise | — | — | — | firstname.lastname |
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Educational Technology like Duolingo, Inc..
Based on Duolingo, Inc.'s profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at duolingo.com. If you have a name and the domain, you can find a verified email.
How well Duolingo, Inc. fits a typical B2B outbound pipeline, based on available signals.
Good Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against duolingo.com's mail server using SMTP verification. This means results reflect the current state of Duolingo, Inc.'s email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which Duolingo, Inc. contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against duolingo.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of Duolingo, Inc. employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against duolingo.com in a single batch.
Duolingo offers courses in 42 languages including English, French, Spanish, Welsh, Irish, Navajo, and constructed languages like Klingon.
Duolingo uses gamification with points, rewards, and interactive lessons featuring spaced repetition delivered through short daily lessons.
The Duolingo English Test is an online language assessment and certification offered by Duolingo.
Duolingo ABC is a literacy learning app designed specifically for children.
Signal Plug searches in real time against duolingo.com's mail server to find and verify email addresses for Duolingo, Inc. employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
Start finding emails free →10 free searches · No credit card required · Upgrade from $29/month