Duolingo

Learn a language for free through fun, gamified lessons.

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Reviews—

PricingFree

APINone

PlatformsWeb, Mobile Apps

AddedJul 2026

Overview

Duolingo is the world's most popular way to learn a language. It is 100% free, fun, and science-based. Users can practice online on duolingo.com or on the mobile apps, learning languages by playing a game that is scientifically proven to work.

Key features

4 highlights

Gamified learning sessions

Online web practice

Mobile app practice

Science-based methodology

Pricing

Pricing not confirmed

We haven't verified a structured pricing table from the vendor's website. Check the tool's official pricing page for the latest.

Pros

The learning service is 100% free to use.
Enables learning languages by playing an interactive game.
The system is design-built on a science-based framework.
Users can practice easily online via duolingo.com.
Offers dedicated mobile apps to practice learning on the go.
The learning system is scientifically proven to work.
Identified as the world's most popular way to learn a language.
Utilizes a gamified format that is highly engaging and fun.

Cons

No public developer API documentation is listed on the provided pages.
No description of premium or paid plans (such as Super Duolingo) is present on the pages.
No mention of open-source availability for the platform codebase.
No specific list of supported languages is detailed on these pages.
No SOC2, ISO, or data security compliance information is mentioned in the text.