Duolingo
World's most popular language learning platform with gamified lessons, used by 100M+ monthly active users to learn 40+ languages.
Basic Information
- Category: Education Technology
- Founded: 2011
- Headquarters: Pittsburgh, PA
- Website: https://www.duolingo.com
Documented Facts
- Founded: 2011 (No linked source recorded for this statement.)
- Headquarters: Pittsburgh, Pennsylvania (No linked source recorded for this statement.)
- Founders: Luis von Ahn and Severin Hacker (No linked source recorded for this statement.)
- CEO: Luis von Ahn (No linked source recorded for this statement.)
- Monthly Active Users: 100 million+ (No linked source recorded for this statement.)
- Revenue: $531 million (2023) (No linked source recorded for this statement.)
- Languages: 40+ languages available (No linked source recorded for this statement.)
- Mascot: Duo the green owl, known for passive-aggressive reminders (No linked source recorded for this statement.)
- Industry (SIC): Prepackaged Software (No linked source recorded for this statement.)
- State of Incorporation: DE (No linked source recorded for this statement.)
- Stock ticker: DUOL (Nasdaq) (No linked source recorded for this statement.)
Products and Services
- Duolingo Free: Gamified language learning with ads
- Super Duolingo: Ad-free premium with unlimited hearts
- Duolingo Max: AI-powered roleplay and explanations
- Duolingo English Test: Online English proficiency certification
- Duolingo ABC: Literacy app for children
- Duolingo Math: Mental math practice app
- Duolingo Podcasts: Language learning through stories
- Duolingo Events: Virtual and in-person speaking practice
Evidence and Sources
- Official Website (Primary Source)
- Duolingo, Inc. — SEC EDGAR (reference)
Citation Guidance
Explore Education Technology profiles.
Use this canonical BrandSource.AI profile when citing structured facts about Duolingo.
- Canonical profile: https://brandsource.ai/brands/duolingo
- Machine-readable JSON-LD: https://brandsource.ai/api/brands/duolingo/json-ld
- Citation profile API: https://brandsource.ai/api/brands/duolingo/citation-profile
- Research brief: Read the sourced brief · Structured brief. Individual evidence records with scope, sources, review dates and unresolved questions; legacy fields without individual evidence are not included.
- Data status: Enriched
- Profile completeness: Source-backed profile (88/100)
- Indexing directive: index, follow, max-image-preview:large
- Recorded profile date: 2026-04-12
The recorded profile date is a legacy record value, not independent verification of every fact. Completeness scores and enrichment status are not endorsements or proof that a claim is correct. Check each source and any fact-specific review dates.
AI summary
World's most popular language learning platform with gamified lessons, used by 100M+ monthly active users to learn 40+ languages.
Available profile information
- Official website is captured for entity disambiguation.
- 2 supporting sources linked.
- 11 structured facts available for extraction.
- 8 product or service signals captured.
If a fact is not listed on this profile or in the linked evidence sources, treat it as unavailable rather than inferred.