LingoDeer vs Slow Fluent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LingoDeer
Master new languages with structured, interactive lessons designed by teachers. Progress from basic alphabet to conversational fluency in over 20 languages, including Korean, Japanese, and Spanish. Practice speaking, listening, and writing with native speaker audio and engaging exercises.
- Short, interactive lessons
- Clear learning path
- Native speaker audio
- Offline learning
- Grammar tips and notes
- Flashcards and quizzes
- Real-life conversation practice
Read full descriptionHide full description
#1 app for learning Asian languages and more! Over 20 million people choose to learn with LingoDeer. Why? Our structured lessons created by language teachers make learning easy and effective. From the alphabet, LingoDeer will get you to a conversational level in 20 languages: Korean, Japanese, Chinese, Arabic, French, German, Greek, Hindi, Indonesian, Italian, Malay, Polish, Brazilian Portuguese, Russian, Spanish(Latin American or European), Thai, Turkish, Ukrainian, Vietnamese, and English. Download LingoDeer Today! ⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓ What will you get on LingoDeer? ※ Short, interactive lessons Easy 5-min lessons that fit into your daily plan ※ Clear learning path Each course is tailored to your target language ※ Customized for Asian languages Read & write in a unique alphabet system like Korean or Japanese ※ Better understanding of the grammar Tips & notes within lessons to help you build sentences confidently ※ Listen, imitate, and speak Studio-recorded audio from native speakers ※ Reinforce what you learn Flashcards, quizzes, target training, and more ※ Offline learning Take lessons everywhere you go Powerful features you'll love: • Fluent: real-life conversations! Practice reading, writing, listening, speaking, and get cultural tips as you learn. • Travel Phrasebook: audio phrasebook! Get ready for your trip to your dream country. • Character Drill: writing practices for Japanese kanji and Chinese characters. • Story: mini stories with captions! Expand what you learned in lessons. • Knowledge Cards: printable grammar flashcards! Keep essential grammar concepts at your desk. *Fluent is only available for Japanese, Korean, Chinese, Spanish, and French courses at the moment. ⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓ Find tips, guides, and resources on language learning: ※ LingoDeer Blog: https://blog.lingodeer.com ※ YouTube: https://www.youtube.com/lingodeer Come chat with us on social media! Follow us for language learning advice, support, and memes: ※ Instagram: https://www.instagram.com/lingodeerapp ※ Facebook: https://www.facebook.com/LingoDeer ※ Twitter: https://twitter.com/lingodeer ⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓ You will need a subscription in order to get full access to all courses and features. The subscription price starts at $14.99/month. Prices are in US dollars, may vary by country, can be converted to local currency depending on the country of residence, and are subject to change without notice. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your iTunes account will be automatically charged at the same price for renewal within the 24-hour period prior to the end of the current payment period unless you change your subscription preferences in your iTunes Account Settings. When a subscription is canceled, access to the app's courses and features will expire at the end of the current payment period. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a LingoDeer subscription, where applicable. - Terms of Use: https://www.lingodeer.com/terms-conditions-html - Privacy Policy: https://www.lingodeer.com/privacypolicy-html CONTACT US: Got ideas you want to share or feedback for the app? Email us at hi@lingodeer.com ⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓ Real reviews from the LingoDeer community: "This has been helping me study Japanese way better than any book can!" "LingoDeer is worth every penny and more, it is an essential tool in the shed for anyone learning any of their offered languages, in or out of a classroom." YOUR JOURNEY TO FLUENCY STARTS HERE: • Learn Korean • Learn Japanese • Learn Mandarin Chinese • Learn Arabic • Learn French • Learn German • Learn Greek • Learn Hindi • Learn Indonesian • Learn Italian • Learn Malay • Learn Polish • Learn Brazilian Portuguese • Learn Russian • Learn Spanish (Latin American or European) • Learn Thai • Learn Turkish • Learn Ukrainian • Learn Vietnamese • Learn English
Slow Fluent
Read full descriptionHide full description
Slow Fluent teaches you a new language in five focused minutes a day. Pick your language - Spanish, French, Italian, German, Portuguese, Japanese, Korean, Mandarin, Arabic, Hindi and twenty more - press play, and start answering. HOW A SESSION WORKS - Quick-fire rounds: see a picture or hear the word, then tap the right answer - Native-style audio on every word, so you learn the sound with the spelling - Wrong answers become learning moments: you see what you picked, what was correct, and the meaning - then the word comes back later in the session - Tricky words are flagged and repeat until you truly know them WHY IT STICKS - Spaced repetition brings each word back just before you would forget it - Words fade if you neglect them - Slow Fluent tells you exactly which ones to refresh - A daily streak and a five-minute goal make the habit effortless - Vocabulary is CEFR-graded, so you climb from A1 upward on real curriculum levels MORE THAN VOCABULARY Grammar, gender, connectors, collocations, false friends and common errors are woven into sessions as you progress - the details that make you sound natural, not just understood. 30 LANGUAGES AND COUNTING Spanish, French, Italian, Portuguese, Catalan, Romanian, German, Dutch, Swedish, Norwegian, Danish, Polish, Czech, Greek, Russian, Ukrainian, Turkish, Arabic, Hebrew, Hindi, Mandarin, Japanese, Korean, Vietnamese, Thai, Indonesian and more. Switch languages any time - your progress is kept per language. FREE, NO ADS Every language and every feature is free. No ads, no paywalls. An optional account (no email needed) syncs your streak and progress across devices. Five minutes. One streak. A language that finally sticks.
Screenshots
Verdict
The clearest difference is price: LingoDeer at Free against Slow Fluent's $4.99. LingoDeer also leads on chart position (#138 vs unranked). Slow Fluent's advantage is in-app purchases (none vs 10). On update cadence, 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
LingoDeer is free to download; Slow Fluent costs $4.99 up front. LingoDeer sells 10 in-app purchases, starting at $14.99 per month. Slow Fluent asks for nothing beyond the download.
LingoDeer ships an update every 3 weeks, Slow Fluent every 5 weeks. The most recent releases landed on November 5, 2026 and November 2, 2026 respectively.
| Parameter | LingoDeer | Slow Fluent |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.7 (28K ratings) — better | — |
| Positive reviews | 77.5% of reviews | — |
| Number of ratings | 28K — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #138 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 214 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | LingoDeer Co, Ltd. | Charlie Sendrowski |
Bugs and requests
LingoDeer
Reported bugs
4 issues- Progress bar not updating correctly
- Incorrect answers sometimes marked as correct
- Inability to resume lessons after app update
- Keyboard issues when typing answers
Requested features
5 requests- Allow typing answers instead of just selecting
- Provide feedback on pronunciation accuracy
- Improve spaced repetition for vocabulary review
- Add more languages, especially less common ones
- Implement a community feature to connect with other learners
Slow Fluent
Not enough reviews yet to summarise bugs or requests.
In-app purchases
LingoDeer
- Multilingual Pass - Monthly$14.991 Month
- Multilingual Pass - Quarterly$34.993 Months
- Multilingual Pass - 6 Months$83.996 Months
Show 3 moreShow fewer
- Multilingual Pass (Annual)$95.991 Year
- Multilingual Pass (Annual)7 Days trial$95.991 Year
- Yearly subscription - discount3 Days trial$109.991 Year
- Buy 1200 Gems$4.99
- Multilingual Pass - Lifetime$119.99
- Multilingual Pass - Lifetime$159.99
Show 1 moreShow fewer
- lifetime membership for new$299.99
Slow Fluent
No in-app purchases
Questions
Is LingoDeer free?
Is Slow Fluent free?
Do LingoDeer or Slow Fluent have ads?
Which is updated more often, LingoDeer or Slow Fluent?
Other comparisons















