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ToolSpeak/10 trustVerified
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Speak

AI language tutor that gets you speaking out loud.

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About

Speak is a language learning app built around one idea: you learn to speak by speaking. Its AI tutor holds open-ended conversations, corrects pronunciation, grammar, and vocabulary in real time, and adapts lessons to the learner. It started in South Korea, where it became a top-grossing education app, and now serves 15M+ downloads across 30+ countries.

Backed by OpenAI, Founders Fund, and Y Combinator, it offers English, Spanish, French, Korean, Italian, and Japanese with a 4.8 app rating. The catch: the free tier is limited, full access needs a subscription, and it is a speaking-first app, so learners who want deep grammar study will need something else alongside it.

What it can do

  • Open-ended AI conversation practice
  • Real-time pronunciation and grammar feedback
  • Personalized curriculum and review
  • Role-play scenarios (travel, interviews, IELTS)
  • Speech recognition tuned for learners

Setup

  1. Download Speak on iOS or Android, or open the web app.
  2. Pick the language you want to learn and take the placement test.
  3. Start a conversation with the AI tutor on any topic.
  4. Review corrections and repeat tricky phrases until they stick.

Prerequisites

iOS or Android device; microphone for speaking practice.

Use cases

audioothers

Works with

Any agent (.md)

Trust score — 8/10

/10 trustVerified

Scored 8/10 (verified tier, metrics-v1). Evidence: 15M+ downloads, OpenAI-backed, 4.8 rating; top-grossing education app in Korea; proprietary, subscription for full access. License: Proprietary SaaS.

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
9.0/10
Maintenance · recency, releases, issue load
9.0/10
Openness · license + docs
3.0/10
Manual review · sanity read + red-flag check
8.0/10
  • · 15M+ downloads, OpenAI-backed, 4.8 rating
  • · top-grossing education app in Korea
  • · proprietary, subscription for full access

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.