Head to head
Duolingo vs Mondly
Two popular ways to learn a language, side by side: how each teaches, where each is strong or weak, and who should pick which.
- Free forever plan
- No card needed
- 77 languages
Updated · by the 4ToSpeak team
Lesson preview
Step 4Estoy cansado.
I am tired.
- Order
- Translate
- Listen
- Speak
Say it out loud. Green landed, yellow was close.
Start freeDuolingo
Duolingo is a gamified app with short lessons, a streak system and many languages. Most exercises are tapping, matching and typing, with some speaking prompts.
Strengths
- Playful, habit-forming daily lessons.
- A real free tier.
- Many languages and plenty of variety.
Weaknesses
- Mostly tapping and typing, with limited speaking.
- Sentences can feel disconnected from real conversation.
- Progress can slow at intermediate level.
Best for: Building a daily habit and getting broad early exposure.
Cost model: Free with limits; paid tier removes limits and adds extras.
Mondly
Mondly offers short daily lessons across many languages, with vocabulary practice, quick conversations and a chatbot. It is easy to start and fits into a few spare minutes.
Strengths
- Quick, easy-to-start lessons.
- Many languages.
- Chatbot practice.
Weaknesses
- Breadth over depth.
- Gets repetitive for serious learners.
- Full features need a subscription.
Best for: Casual daily practice and travel basics.
Cost model: Free with limits; subscription for the full app.
Which is better for what: Duolingo or Mondly?
| If you want | Pick |
|---|---|
| speaking practice | Neither is a main strength |
| beginners | Both are good fits |
| free learning | Duolingo |
| grammar | Neither is a main strength |
| vocabulary | Both are good fits |
| Japanese, Korean and Chinese | Neither is a main strength |
| conversation | Neither is a main strength |
| intermediate learners | Neither is a main strength |
| travel | Mondly |
| commuting and hands-free | Neither is a main strength |
Where 4ToSpeak fits
If speaking is the skill you want to build, 4ToSpeak adds what neither of these leads with: every sentence ends with you saying it out loud, with word-by-word feedback, on a free plan with no card. Many learners use Duolingo or Mondly for what it does best and 4ToSpeak for daily speaking reps. 4ToSpeak vs Duolingo · 4ToSpeak vs Mondly
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Is Duolingo better than Mondly?
Neither is better for everyone. Duolingo is best for building a daily habit and getting broad early exposure. Mondly is best for casual daily practice and travel basics. Choose by what you want to improve.
Which is better for speaking, Duolingo or Mondly?
Neither is mainly built around speaking. If speaking is your goal, a speaking-first app such as 4ToSpeak, or a tutor, will give you more practice than either.
Is Duolingo or Mondly better for beginners?
Both work for beginners. Duolingo is best for building a daily habit and getting broad early exposure. Mondly is best for casual daily practice and travel basics.
Can I use Duolingo and Mondly together?
Yes. Many learners combine apps that cover different skills. Many learners use Duolingo for variety and light daily exposure, and 4ToSpeak for focused speaking practice on the sentences they need. Mondly for light variety, 4ToSpeak for focused speaking on the sentences you will use.
Related guides
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Free · no card · 77 languages
Want more speaking in your day?
Whichever you choose, add a daily speaking habit. Free to start, no card.