Comparison

Duolingo vs ForeignLanguage Graded Readers

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

Head to head
About

Duolingo

Learn languages, math, music, and chess through fun, bite-sized lessons. Build vocabulary, grammar, and real-world skills with a science-based methodology. Track progress and stay motivated with a global community.

Highlights
  • Bite-sized language lessons
  • Speaking, reading, listening, writing practice
  • Math skills development
  • Music reading and playing
  • Chess strategy and gameplay
  • Progress tracking and rewards
Features
Read full description

Learn a new language, chess & more with the world's most downloaded education app! Duolingo is the fun, free app for learning 40+ languages through quick, bite-sized lessons. Practice speaking, reading, listening & writing to build your vocabulary & grammar skills. Designed by learning experts & loved by hundreds of millions worldwide, our lessons make learning effective & fun and help you prepare for real conversations in Spanish, French, Japanese, Korean, Chinese, Italian, German, English and more. And now, you can learn CHESS on Duolingo! Whether you're a total beginner or looking to level up your game, you'll love learning chess the Duolingo way. Play matches and fun chess lessons for all levels, no matter the language - chess, ajedrez, xadrez, schach, Шахматы, الشطرنج. • Chess: Learn the moves, level up your game & play matches in our Chess course. Learn the basics, solve fun chess puzzles & improve your strategy with guided lessons. Whether you're new to chess or already play, our course is designed to help you have fun and build real skills. Checkmate! • Math: Forget lectures and math worksheets! Built by learning experts, our Math course makes math feel like a game. Boost learning and fight the summer slide with standards-aligned math lessons for elementary school, middle school, and high school students. • Music: Learn how to read music & play songs in our Music course, no instrument needed! Using an on-screen keyboard, you'll learn bit-by-bit. Whether you're learning a language for travel, school, career or your brain health, you'll love learning with Duolingo. Why Duolingo? • Duolingo is fun & effective. Game-like language lessons & fun characters help you build speaking, reading, listening, & writing skills, plus enjoy fun chess & competitive online chess in one app. • Duolingo works. Designed by learning experts, Duolingo has a science-based teaching methodology proven to foster long-term knowledge retention across language lessons & chess lessons alike. • Track your progress. Work toward your learning goals with playful rewards & achievements when you make practicing language lessons or chess online part of your daily habit. • Join millions of learners. Stay motivated with competitive Leaderboards as you learn languages & play chess online alongside our global community. • Every course is free. Learn Spanish, French, German, Italian, Russian, Portuguese, Turkish, Dutch, Irish, Danish, Swedish, Ukrainian, Esperanto, Polish, Greek, Hungarian, Norwegian, Hebrew, Welsh, Arabic, Latin, Hawaiian, Scottish Gaelic, Vietnamese, Korean, Japanese, English, & even High Valyrian! And now, learn Math, Music & improve your Chess skills with fun, bite-sized lessons. What the world is saying about Duolingo: "Far & away the best language-learning app." - The Wall Street Journal "This free app & website is among the most effective language-learning methods I've tried… lessons come in the form of brief challenges, speaking, translating, answering multiple-choice questions, that keep me coming back for more." - The New York Times "Duolingo may hold the secret to the future of education." - TIME Magazine "Duolingo is cheerful, lighthearted & fun." - Forbes "I Can't Stop Playing Duolingo Chess." - Wired If you like Duolingo, try Super Duolingo for 14 days free! Learn a language fast with no ads & get fun perks like Unlimited Energy & Monthly Streak Repair. If you choose to purchase Super Duolingo, payment will be charged to your Apple account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://www.duolingo.com/privacy Terms of Service: https://www.duolingo.com/terms

About

ForeignLanguage Graded Readers

Learn languages through engaging short stories tailored to your proficiency level. Expand vocabulary and improve comprehension in French, Italian, German, Spanish, Russian, or English with controlled language and authentic dialogues. Designed for enjoyable self-study or classroom use.

Highlights
  • Eight short stories per collection
  • Controlled language at your level
  • Authentic spoken dialogues
  • Vocabulary lists
  • Chapter summaries and comprehension questions
  • Variety of genres
Features
Read full description

Read for pleasure at your level and learn a foreign language the fun way! Teach Yourself Short Stories by Olly Richards is a series of easy graded readers for adult and young adult language learners. Featuring eight unmissable short stories for beginners, high-beginners and intermediate learners, the series is available in French, Italian, German, Spanish, Russian and English. “Olly's top-notch language-learning insights are right in line with the best of what we know from neuroscience and cognitive psychology about how to learn effectively. I love his work - and you will too!” - Barbara Oakley, PhD, Author of New York Times bestseller A Mind for Numbers Expand your vocabulary and improve your comprehension in an enjoyable and natural way: Read in French, Italian, German, Spanish, Russian or English and improve your language learning skills! The Short Stories collection is designed to give you a sense of achievement, a feeling of progress and most importantly - enjoyment! Each foreign language reader gives you: • Eight stories in a variety of exciting genres, from science fiction and crime to history and thriller - making learning fun, while you acquire a wide range of new vocabulary • Controlled language at your level, including the 1000 most frequent words, to help you progress confidently • Authentic spoken dialogues, to help you learn conversational expressions and improve your speaking ability • Accessible grammar so you learn new structures naturally, in a stress-free way • Vocabulary lists so you can quickly look up unfamiliar words without interrupting your flow. • Chapter summaries and comprehension questions to help you follow the plot and understand the story. • Enjoyment! It's much easier to learn a new language when you're having fun, and research shows that if you're enjoying reading or listening in a foreign language, you won't experience the usual feelings of frustration – “It's too hard!” “I don't understand!” The Beginners collection is for students from high-beginner to low-intermediate level (A2-B1 on the Common European Framework of Reference). Intermediate is for low-intermediate to intermediate learners (B1-B2)! You can also purchase a sample to read a story before you buy the full collection. Discover the joy of being entertained in a foreign language, while learning new skills at the same time – Short Stories for Beginners in French, Italian, German, Spanish, Russian or English! These stories are Ideal for self-study, as well as in the classroom as supplementary learning material. If you are interested in using this content with your students, contact learningsolutions@teachyourself.com What the experts say: “As researchers in language acquisition, we need to study people like [Olly Richards]”. -Stephen Krashen, Emeritus Professor, University of Southern California “Olly's advice on language learning is the real deal, and I recommend you pay attention to what he has to say!” - Benny Lewis, Fluent in 3 Months “When we wanted to create a free online course on how to learn a language we asked Olly to write it with us”. - Dr Tita Beaven, The Open University “Learning a language is challenging, but it's one of the best things you can do for your brain and your learning skill set... Olly Richards is doing some seriously incredible work to empower more and more people to rise to the challenge”. - Jonathan Levi “Olly bridges the gap between theory and practice by helping you to use scientific principles to get real results with your language learning”. - Anthony Metivier, Magnetic Memory Method

Screenshots

Duolingo4 screens
ForeignLanguage Graded Readers4 screens

Verdict

The call

The clearest difference is rating: Duolingo at 4.7 against ForeignLanguage Graded Readers's 3.3. Duolingo also leads on update cadence (weekly vs every 6 months) and review sentiment (65% vs 35%). ForeignLanguage Graded Readers's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, in-app purchases, monetization model and device support 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. Duolingo sells 16 in-app purchases, starting at $9.99 per month and ForeignLanguage Graded Readers sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Duolingo holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Duolingo has 5.5M ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 65% of Duolingo's written reviews are positive against 35% of ForeignLanguage Graded Readers's.

UpkeepUpdate frequency

Duolingo ships an update weekly, ForeignLanguage Graded Readers every 6 months. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

Scorecard7 real differences · 4 level
Duolingo versus ForeignLanguage Graded Readers: the parameters behind the verdict, then further details
ParameterDuolingoForeignLanguage Graded Readers
PriceFreeFree
Rating4.7 (5.5M ratings) — better3.3 (27 ratings)
Positive reviews64.6% of reviews — better35.3% of reviews
Number of ratings5.5M — better27
Update frequencyWeekly — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#1 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size489 MB94 MB
Age rating4++4
DeveloperDuolingo, IncHachette UK (Holdings)Limited

Customer experience

Duolingo

All ratings5,464,639 ratings
Positive94.2%
Neutral2.4%
Negative3.4%
Written reviews29,453 reviews
Positive64.6%
Neutral9.6%
Negative25.7%

ForeignLanguage Graded Readers

All ratings27 ratings
Positive51.9%
Neutral11.1%
Negative37.0%
Written reviews17 reviews
Positive35.3%
Neutral17.6%
Negative47.1%

Bugs and requests

Duolingo

Reported bugs

3 issues
  • Freezing or crashing during lessons
  • Incorrect translations or answers marked wrong
  • Inconsistent behavior of certain features like leagues

Requested features

5 requests
  • Add more languages, especially less common ones
  • Improve grammar lessons and explanations
  • Allow more flexibility in navigating the course content
  • Provide better feedback and corrections for mistakes
  • Sync progress and features consistently across app and web

ForeignLanguage Graded Readers

Not enough reviews yet to summarise bugs or requests.

In-app purchases

16 purchases

Duolingo

Subscriptions10
  • Super Duolingo7 Days trial$9.991 Month
  • Super Duolingo7 Days trial$12.991 Month
  • Super Duolingo14 Days trial$12.991 Month
Show 7 more
  • Super Duolingo2 variants$59.991 Year
  • Super Duolingo14 Days trial2 variants$79.991 Year
  • Super Duolingo14 Days trial4 variants$83.991 Year
  • Super Duolingo7 Days trial$83.991 Year
  • Super Duolingo7 Days trial4 variants$95.991 Year
  • Super Duolingo1 Month trial$119.991 Year
  • Super Duolingo7 Days trial$119.991 Year
One-time6
  • Chest of Gems$0.99
  • Barrel of Gems (1200)$4.99
  • Chest of Gems (1200)$4.99
Show 3 more
  • Cart of Gems (3000)$9.99
  • Barrel of Gems (3000)$9.99
  • Cart of Gems (6500)$19.99
5 purchases

ForeignLanguage Graded Readers

One-time5
  • Pack of 2 Credits$1.99
  • Pack of 11 Credits$10.99
  • Pack of 13 Credits$12.99
Show 2 more
  • Pack of 15 Credits$14.99
  • Pack of 65 Credits$64.99

Questions

Is Duolingo free?
Duolingo is free to download, with in-app purchases available.
Is ForeignLanguage Graded Readers free?
ForeignLanguage Graded Readers is free to download, with in-app purchases available.
Which has better reviews, Duolingo or ForeignLanguage Graded Readers?
Duolingo is rated higher. Duolingo averages 4.7 out of 5 from 5.5M ratings, while ForeignLanguage Graded Readers averages 3.3 from 27 ratings.
Do Duolingo or ForeignLanguage Graded Readers have ads?
Duolingo shows ads; ForeignLanguage Graded Readers does not.
Which is updated more often, Duolingo or ForeignLanguage Graded Readers?
Duolingo ships an update weekly, and ForeignLanguage Graded Readers every 6 months. Most recently, Duolingo was updated on September 26, 2026 and ForeignLanguage Graded Readers on September 23, 2026.

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