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Duolingo vs Speak

A side-by-side comparison of Duolingo and Speak, two Education tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Duolingo

Education

Gamified language-learning app, now AI-first with Video Call practice and AI-built courses.

View Duolingo

Speak

Education

AI language tutor built around speaking out loud, with real-time feedback.

View Speak

At a glance

Feature comparison of Duolingo and Speak
AttributeDuolingoSpeak
CategoryEducationEducation
PricingFREEMIUMFREEMIUM
LicenseProprietaryProprietary
DeploymentCloudCloud
Platforms (differs)Web, iOS, AndroidiOS, Android, Web
Model support (differs)Multi-modelSingle model (proprietary)
Vendor (differs)Duolingo, Inc.Speakeasy Labs
Capabilities (differs)
  • AI tutoring
  • Language practice
  • Roleplay characters
  • Transcription (STT)
  • AI tutoring
  • Language practice

The honest brief

Duolingo

No other AI tutor matches its scale — 100M+ monthly learners and a decade of A/B-tested pedagogy behind every AI exercise.

  • Free core experience
  • Video Call speaking practice
  • Birdbrain adaptive difficulty
  • 40+ languages on offer
  • AI course quality criticized
  • Max tier costs ~$30/month
  • Gamification over depth

Speak

Drills speaking fluency from the first lesson with open-ended AI conversation and instant speech feedback rather than tap-the-word exercises.

  • Speech-first method with instant feedback
  • Tutor adapts the curriculum to your goals
  • 15M+ downloads, 4.8 App Store rating
  • Web, iOS and Android apps
  • Only 7 target languages so far
  • Full features need a subscription
  • Light on reading and writing practice

When to pick which

Both cover AI tutoring and Language practice.

Pick Duolingo if you need Roleplay characters.

  • Roleplay characters (secondary capability)

Pick Speak if you need Transcription (STT).

  • Transcription (STT) (primary capability)

Speak leans on AI tutoring as a headline capability; Duolingo treats it as secondary.

  • AI tutoring (primary capability)

They also differ on:

Model support
Multi-model · Single model (proprietary)