Comparison

Lingvist vs Heero

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

Head to head
About

Lingvist

This app uses AI and scientific methods to teach vocabulary efficiently for faster language acquisition. It offers personalized learning plans, speech recognition, and spaced repetition to help users remember words long-term. Learn 16 languages with a focus on practical, high-frequency vocabulary.

Highlights
  • AI-powered vocabulary learning
  • Spaced repetition for long-term memory
  • Speech recognition for pronunciation
  • Learn grammar in context
  • Personalized learning plans
  • Customizable vocabulary lists
Features
Read full description

Lingvist is the language learning app built by scientists and language experts that teaches vocabulary better than anyone else in the world. The depth of our AI-powered courses combined with the latest research in machine learning gets you using a language with high proficiency, fast. GET LEVEL PLACED FOR FREE - TRY LINGVIST LEARN 16 LANGUAGES: English, Spanish, German, French, Swedish, Danish, Dutch, Italian, Brazilian Portuguese, Norwegian, Latin American Spanish, Estonian, Polish, Japanese, Korean and Russian. ===== WHY LINGVIST? FOLLOW CONVERSATIONS QUICKLY Learn the vocabulary that appears most often in a language first, allowing you to accelerate your learning. READ, WRITE, SPEAK, AND LISTEN Perfect your pronunciation using sophisticated speech recognition technology or type your answers. Every sentence has audio to ensure you hone your listening skills. FOR SERIOUS LEARNERS Your learning efficiency is our focus. Enjoy a clean UI with no advertising, no unnecessary clicks, and no distractions. REMEMBER A LANGUAGE FOREVER Using scientifically proven spaced repetition methodology, the vocabulary gets fixed in your long-term memory over time. LEARN GRAMMAR IN CONTEXT OR AS A FOCUS Acquire grammar passively like a native with our bite-sized sentences, or practice conjugating French verbs in our French course. SPECIALIST VOCABULARY FOR YOU Submit your own words, images, or text and Lingvist will automatically gather vocabulary related to the theme for you to learn. Whether it’s Harry Potter in German or Spanish colors, you can learn the words most important to you. Our AI works intelligently to provide appropriate context for vocabulary. MOTIVATIONAL STATISTICS Packed with data on your learning progress, you’ll be able to chart your path to success. A MUST-HAVE TOOL IN YOUR BAG Do you live in your target country, use a tutor or language school, or even read books, listen to podcasts, or watch content in your target language? Lingvist works best when used in parallel with other learning methods. It’s the difference between passing your test or acing it. Lingvist is the perfect complement to learn faster and boost your vocabulary. LEARN BY DOING Getting it wrong is one of the fastest ways to learn, and your brain will start to remember very quickly. PERSONALIZED SETTINGS Every learner is different. Personalize your learning to suit you, with various settings allowing you to learn with extra slow speech, strict diacritics, and even grammar tables. PERSONALIZED LEARNING PLAN We'll serve you new words that are most relevant to you. As we measure your memory curves, we ask you to repeat words at the optimal time – just before you forget them. This way, you'll always know what to learn next. LANGUAGE LEARNING MADE EASY Whether you are planning on spending this summer in Italy and need to learn Italian, or your next adventure is taking up a course in Germany and you need an app to learn German, or you're heading to Korea and you need to learn Korean, we have you covered. Our language learning techniques will help you to get fluent in over 16 languages. ===== SUBSCRIPTION You will need a subscription in order to get access to the full learning materials for all languages we offer. Each subscription will be automatically renewed unless auto-renew is turned off at least 24 hours before the end of the current payment period. When a subscription is canceled, access to the app's courses and features will expire at the end of the current payment period. Visit our blog to get tips, tricks, and interesting facts on how to learn languages: ▸▸ Lingvist blog: https://lingvist.com/blog/ Follow us to get interesting facts on how to learn languages: ▸▸ Facebook: https://www.facebook.com/theLingvist ▸▸ Instagram: instagram.com/thelingvist/ ▸▸ Twitter: https://twitter.com/lingvist ▸▸ LinkedIn: https://www.linkedin.com/company/lingvist Privacy Policy: https://lingvist.com/privacy-policy/ Terms of Use: https://lingvist.com/tos/

About

Heero

Practice speaking English, French, Spanish, German, or Italian with interactive dialogues tailored to your level. Engage in personalized conversations based on your interests and goals, with flexible modes and detailed feedback to improve your fluency and pronunciation.

Highlights
  • Interactive dialogues tailored to your level
  • Personalized conversation scenarios based on interests
  • Practice 5 languages: English, Spanish, French, German, Italian
  • 17 available accents for pronunciation practice
  • Customizable conversation speed
  • Flexible chat, voice message, or call modes
  • Detailed feedback on grammar and pronunciation
Features
Read full description

Forget boring lessons: with Heero, speaking English, French, Spanish, German or Italian becomes natural and engaging thanks to interactive dialogues tailored to your level. Discover our users’ favorite feature: Journeys! Heero will create conversations designed just for you, based on your interests and language goals. Whether you use Heero for work, school, or to prepare for your next trip, the app will offer scenarios to get you speaking and having fun. Complete your first Journey and create new ones — Heero will keep generating fresh and engaging scenarios for you. Main features: 5 languages available: Practice not only English but also Spanish, French, German, and Italian. More coming soon! Personalized difficulty levels: Adapt the app to your level, from beginner to advanced, and grow at your own pace. 17 accents available: Improve listening and pronunciation with a wide range of accents, for a global experience. Customizable speed: Slow down or speed up Heero’s pace to match your rhythm. Authentic conversations: Talk about topics you really care about, and learn without getting bored. Flexible modes: Use chat, voice messages, or calls to talk with Heero — whichever you prefer. Personalized paths: Explore custom scenarios tailored to your interests and goals. Detailed feedback: Get precise reports on grammar, pronunciation, and accuracy to fix mistakes. Maximum flexibility: Practice anytime, anywhere. Heero is here for you 24/7. Real-time transcription: Follow along with text during conversations for extra support. Start free trial now and join a 40.000 users community breaking down language barriers worldwide. If you have any questions or need assistance, our team is always here to help. Contact us at inapp_support@heero.me. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lingvist4 screens
Heero4 screens

Verdict

The call

The clearest difference is rating: Heero at 5.0 against Lingvist's 4.6. Heero also leads on review sentiment (78% vs 59%) and iOS requirement (13.0 vs 15.0). Lingvist's advantage is ratings volume (3.7K vs 1). On price, update cadence, ads and in-app purchases 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. Lingvist sells 8 in-app purchases, starting at $9.99 per month and Heero sells 7 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Heero holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Lingvist has 3.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 59% of Lingvist's written reviews are positive against 78% of Heero's.

UpkeepUpdate frequency

Lingvist ships an update monthly, Heero every 3 weeks. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Lingvist versus Heero: the parameters behind the verdict, then further details
ParameterLingvistHeero
PriceFreeFree
Rating4.6 (3.7K ratings)5.0 (1 ratings) — better
Positive reviews58.9% of reviews77.8% of reviews — better
Number of ratings3.7K — better1
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size94 MB126 MB
Age rating9+4+
DeveloperLingvist Technologies OUScreevo Inc.

Customer experience

Lingvist

All ratings3,703 ratings
Positive90.4%
Neutral3.1%
Negative6.5%
Written reviews460 reviews
Positive58.9%
Neutral9.8%
Negative31.3%

Heero

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

Bugs and requests

Lingvist

Reported bugs

4 issues
  • Progress reset issues
  • Keyboard blocking UI elements
  • Inconsistent audio playback
  • Placement test bugs

Requested features

5 requests
  • Add more language options
  • Improve grammar explanations
  • Allow custom word lists
  • Provide more context-based learning
  • Add speech recognition practice

Heero

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Lingvist

Subscriptions8
  • Learn languages: 1-month plan2 variants$9.991 Month
  • Learn languages: 1-month plan7 Days trial$19.991 Month
  • Learn languages: 1-month plan7 Days trial$49.991 Month
Show 5 more
  • Learn languages: 1-month plan$49.991 Month
  • Learn languages: 1-month plan3 Days trial$49.991 Month
  • Learn languages: 12-month plan14 Days trial2 variants$79.991 Year
  • Learn languages: 12-month plan$79.991 Year
  • Learn languages: 12-month plan14 Days trial$199.991 Year
7 purchases

Heero

Subscriptions7
  • Heero Plus Monthly$17.991 Month
  • Heero Plus Monthly Early Bird$19.991 Month
  • Heero Plus Monthly3 Days trial$19.991 Month
Show 4 more
  • Heero Plus Yearly Early Bird$67.991 Year
  • Heero Plus Yearly Early Bird$74.991 Year
  • Heero Plus Yearly$107.991 Year
  • Heero Plus Yearly3 Days trial$119.991 Year

Questions

Is Lingvist free?
Lingvist is free to download, with in-app purchases available.
Is Heero free?
Heero is free to download, with in-app purchases available.
Which has better reviews, Lingvist or Heero?
Heero is rated higher. Lingvist averages 4.6 out of 5 from 3.7K ratings, while Heero averages 5.0 from 1 ratings.
Do Lingvist or Heero have ads?
Neither Lingvist nor Heero shows ads.
Which is updated more often, Lingvist or Heero?
Lingvist ships an update monthly, and Heero every 3 weeks. Most recently, Lingvist was updated on November 11, 2026 and Heero on November 4, 2026.

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