Comparison

Mio vs (Open Source) Lingo Lessons

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mio

Engage in free voice conversations with an AI tutor to practice speaking and improve pronunciation. Offers adaptive exercises, listening comprehension, and structured CEFR lessons for 13 languages. Track progress and compete on leaderboards.

Highlights
  • AI voice conversations with real-time correction
  • Personalized daily learning plans
  • Adaptive quizzes and spaced-repetition flashcards
  • Listening comprehension with AI-generated stories
  • Full CEFR curriculum from A1 to C2
  • Weekly leaderboards for global competition
Features
Read full description

Speak a new language today — no signup, no mandatory subscription. Mio is the only AI tutor that gets you really SPEAKING: free voice conversations every day, a real situation to handle, adaptive exercises, listening comprehension, and CEFR lessons from A1 to C2 — for 13 languages, in a single app. A REAL SITUATION EVERY DAY (NEW) - One mission a day: sending a parcel in Rome, asking your way in Lisbon, booking a table in Tokyo - Understand a short scene, prepare the exact phrases you will need, then say them to Mio out loud - 520 situations across 13 languages, matched to your level AI VOICE CONVERSATIONS — FREE EVERY DAY - One free minute of conversation every day, unlimited with Premium - Talk freely with your AI tutor — it listens, corrects, and guides you in real time - Real-life scenarios: ordering at a restaurant, job interviews, traveling, dating, business - Your tutor remembers past sessions — it follows up on your mistakes without dumb repetition - Powered by premium neural voices, indistinguishable from a real human teacher YOUR PERSONAL AI COACH - Daily plan tailored to YOUR real weaknesses (subjunctive, pronunciation, business vocab…) - Strengths and weaknesses, updated after every session - All sessions (Talk, Quiz, Listening) feed the same intelligence — Mio knows you better every day - Chat with Mio anytime: ask about a rule, get a sentence translated, or just talk SMART EXERCISES - Adaptive quizzes: conjugation, word order, fill-in-the-blank, matching pairs, audio dictation - Spaced-repetition flashcards to memorize vocabulary for good - Daily chest: a surprise reward every day you finish your plan LISTENING COMPREHENSION - Short AI-generated stories and dialogues, narrated by premium neural voices - 5 multiple-choice questions per story to verify understanding - Difficulty adapts to your CEFR level — train your ear for real-world contexts STRUCTURED LESSONS — 100% FREE - Full curriculum from A1 to C2 based on the CEFR framework - ~192 lessons per language, ~46 chapters - Vocabulary, expressions, grammar, and common mistakes - All lessons free for everyone, with no daily limit WEEKLY LEADERBOARD - Compete with learners worldwide - Earn trophies and XP boosts by finishing in the top 3 - Every language counts — practice any to climb 13 LANGUAGES AVAILABLE English, French, Spanish, Italian, German, Japanese, Korean, Chinese, Portuguese, Dutch, Polish, Russian, Hindi. GET STARTED IN 10 SECONDS No account required to start. Open the app → choose your language → speak. You can sync your account later if you want. Free forever: one minute of voice conversation a day, every lesson A1 to C2, unlimited flashcard reviews, the daily chest, 5 messages with Mio a day, and 2 practice sessions a day. Mio Premium: unlimited voice conversations, unlimited quizzes and listening, unlimited new flashcards, unlimited chat with Mio. Free trial: 7 days on the yearly plan, 3 days on the monthly. — Terms: https://miotutor.app/en/terms Privacy: https://miotutor.app/en/privacy

About

(Open Source) Lingo Lessons

Features
Read full description

A free, playful language-learning app for English speakers. Lingo Lessons helps you practice Spanish, French, German, Italian, Portuguese, Japanese, Korean, and Chinese with short lessons, guided units, review practice, and local progress tracking. It is built for quick daily sessions without accounts, ads, or paywalls. FEATURES 8 Language Courses Learn Spanish, French, German, Italian, Portuguese, Japanese, Korean, and Chinese from English. Guided Learn Path Move through units and lessons with a clear progression path. Interactive Exercises Practice matching, selecting, typing, fill-in-the-blank, and word-bank exercises. Audio Practice Hear words and phrases during lessons so you can connect text with sound. Mistake Review Practice the items you missed and reinforce them over time. Local Progress Your streak, XP, course progress, and lesson state live on your device. No ads. No paywalls. No account required. 100% Open Source The complete source code is public - see it, audit it, or contribute at https://github.com/Open-Apps-Studio/lingo-lessons

Screenshots

Mio4 screens
(Open Source) Lingo Lessons4 screens

Verdict

The call

The clearest difference is in-app purchases: (Open Source) Lingo Lessons at none against Mio's 2. Mio's advantage is update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mio sells 2 in-app purchases, starting at $9.99 per month. (Open Source) Lingo Lessons asks for nothing beyond the download.

UpkeepUpdate frequency

Mio ships an update every 2 days, (Open Source) Lingo Lessons fortnightly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Mio versus (Open Source) Lingo Lessons: the parameters behind the verdict, then further details
ParameterMio(Open Source) Lingo Lessons
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size103 MB69 MB
Age rating4+4+
DeveloperJohan, Jean-Pierre, Romain RINCON-BRAZILLIERAHMET EMRE DEDELER

In-app purchases

2 purchases

Mio

Subscriptions2
  • Mio Premium7 Days trial$9.991 Month
  • Mio Premium7 Days trial$49.991 Year
None

(Open Source) Lingo Lessons

No in-app purchases

Questions

Is Mio free?
Mio is free to download, with in-app purchases available.
Is (Open Source) Lingo Lessons free?
(Open Source) Lingo Lessons is free to download, with no in-app purchases.
Do Mio or (Open Source) Lingo Lessons have ads?
Neither Mio nor (Open Source) Lingo Lessons shows ads.
Which is updated more often, Mio or (Open Source) Lingo Lessons?
Mio ships an update every 2 days, and (Open Source) Lingo Lessons fortnightly. Most recently, Mio was updated on October 22, 2026 and (Open Source) Lingo Lessons on October 9, 2026.

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