Comparison

TerraLingo vs Mio

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

Head to head
About

TerraLingo

Features
Read full description

Master Your Preferred Language with the Power of AI & SRS TerraLingo is the ultimate language-learning companion designed to take you from beginner to fluent. Whether you are learning Spanish, French, Japanese, German, Korean, or more, TerraLingo combines proven science with cutting-edge AI to make learning permanent and fun. Key Features: - Smart SRS Flashcards: Our Spaced Repetition System (SRS) works like Anki, ensuring you review words at the exact moment before you forget them. - AI Deck Builder: Don’t waste time typing. Tell our AI what you want to learn (e.g., "Medical Spanish" or "Travel Japanese"), and it will generate a custom deck for you instantly. - Manual Customization: Prefer the old-school way? Easily add your own words and phrases to your personal decks. - AI Roleplay Scenarios: Practice grammar without anxiety! Engage in realistic AI-driven conversations—from ordering coffee in Paris to checking into a hotel in Tokyo. - 5+ Major Languages: Deep support for the world's most popular languages with more being added constantly. Why TerraLingo? Most apps stop at "matching games." TerraLingo focuses on active recall and production. By building your own vocabulary and practicing in real-world scenarios, you don't just "recognize" the language—you speak it. Download TerraLingo today and transform your language learning journey! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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. MIO'S TALES (NEW) - 32 folk tales from 28 countries: Momotaro, the Bremen Town Musicians, Anansi, the Enormous Turnip… - Retold by Mio at your level, from A1 to B2, in the language you are learning - Read like a comic: illustrated panels, and each character's lines in a speech bubble - Read aloud, each word lighting up as it is spoken, with a slower 0.8× speed when you need it - Tap any word for its translation, and answer questions right inside the tale - A tale picked for you every day, some days a stop on your daily trip, and a passport to stamp A REAL SITUATION EVERY DAY - 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 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 MADE FOR IPAD AND FOLDABLES On a wide screen, Mio opens like a book: the tale's picture beside its text, lessons as two-page spreads, your daily path beside the tale of the day. 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 and monthly plans. — Terms: https://miotutor.app/en/terms Privacy: https://miotutor.app/en/privacy

Screenshots

TerraLingo4 screens
Mio4 screens

Verdict

The call

TerraLingo and Mio are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. TerraLingo sells 5 in-app purchases, starting at $12.95 per month and Mio sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
TerraLingo versus Mio: the parameters behind the verdict, then further details
ParameterTerraLingoMio
PriceFreeFree
Rating—4.5 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequency—Every 2 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size107 MB109 MB
Age rating4+4+
DeveloperTensorDeltaJohan, Jean-Pierre, Romain RINCON-BRAZILLIER

In-app purchases

5 purchases

TerraLingo

Subscriptions3
  • TerraLingo Plus Monthly$12.951 Month
  • TerraLingo Plus 6 Months$47.956 Months
  • TerraLingo Plus Yearly$77.991 Year
One-time2
  • TerraLingo Plus Lifetime$149.99
  • TerraLingo Plus - Lifetime$149.99
4 purchases

Mio

Subscriptions4
  • Mio Premium7 Days trial$9.991 Month
  • Mio Premium7 Days trial$10.991 Month
  • Mio Premium7 Days trial$49.991 Year
Show 1 more
  • Mio Premium7 Days trial$59.991 Year

Questions

Is TerraLingo free?
TerraLingo is free to download, with in-app purchases available.
Is Mio free?
Mio is free to download, with in-app purchases available.
Do TerraLingo or Mio have ads?
Neither TerraLingo nor Mio shows ads.

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