Comparison

SuperMemo vs OkyDoky

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

Head to head
About

SuperMemo

Master new languages and subjects with AI-powered spaced repetition. Practice conversations, get instant translations, and access a vast library of courses. Learn effectively, even offline, with intelligent review schedules.

Highlights
  • Spaced repetition algorithm
  • AI-powered conversation practice
  • AI voice translation
  • Extensive course catalog
  • Offline learning option
  • Customizable flashcards
Features
Read full description

SuperMemo – Language Learning with AI Learn English and 27 other languages with SuperMemo! Explore language courses, pick up new vocabulary, reinforce what you learn with spaced repetition and practice conversations with AI. Learn effectively at your own pace – from the basics all the way to advanced fluency. 300+ COURSES IN 28 LANGUAGES Choose from hundreds of courses tailored to your level, needs and interests. Learn English, German, Spanish, French, Italian and many other languages. You'll find courses for beginners, intermediate and advanced learners, as well as materials for learning vocabulary, grammar and practical communication. Learn English, German, Spanish, French, Italian, Portuguese, Japanese, Korean, Chinese and many other languages. Choose from 28 foreign languages, including Arabic, Czech, Greek, Ukrainian, Turkish and Romanian. ENGLISH AT EVERY LEVEL Improve your English at levels A1–C2. Choose the right course for you and practice what you need most – from basic phrases to more advanced vocabulary and communication. Discover SuperMemo course series: • No Problem! – practical language learning • Extreme – intensive vocabulary learning • PowerWords! – build your vocabulary • Olive Green – learn the language in an engaging context • Hello! – language courses for different levels • Quick Start – the basics to get you started • Business English – English for work You can also use grammar courses, exam preparation materials and courses for children and teens. PRACTICE WITH AI Take your learning to the next level with the AI features in SuperMemo. • Live Mode – your AI tutor. Practice conversations with a virtual tutor in your course. Develop your communication skills and put your knowledge to the test. • MemoChat AI – talk in the language you're learning. Practice dialogues at different levels and save new words and phrases for further study. • MemoTranslator AI – translate by voice. Use voice translation when you need to quickly understand or say something in another language. • AI Assistant – get help with your learning. Ask about word meanings, grammar and any language topics you want to understand better. LEARN EFFECTIVELY WITH SPACED REPETITION SuperMemo uses a repetition method based on a scientific approach to memory. The app helps you return to the material at the right time, so you consolidate your knowledge and remember new information more effectively. Learn words, discover useful phrases and check your progress regularly. CREATE YOUR OWN COURSE Want to learn vocabulary for work, travel, studies or your own interests? Create your own courses and flashcards on any topic. Tailor learning to your goals and grow your knowledge the way you like. LEARN WHENEVER AND WHEREVER YOU WANT Use courses on your devices and come back to learning whenever you have time. Set your own goal, learn regularly and make progress step by step. CHOOSE YOUR WAY TO LEARN Start from the basics, improve your language skills or focus on specific abilities. Choose courses that fit your needs and enjoy the extra features of a SuperMemo Premium subscription. SuperMemo has been developing its language learning method since 1991. Combine a proven repetition system with modern AI tools and learn languages on your own terms. Download SuperMemo and start learning today!

About

OkyDoky

This app offers a fun and effective way to learn new languages with personalized learning paths and interactive lessons. It features a unique AI tutor for real-time conversation practice and detailed grammar guides to master language nuances.

Highlights
  • Live AI Tutor for conversation practice
  • Customizable learning paths
  • Interactive lessons (translation, listening, spelling)
  • Detailed grammar guides
  • Real-life conversation practice
  • Word-by-word audio with speed options
  • Transliteration for non-Latin scripts
Features
Read full description

Language learning made fun! OkyDoky uses fresh learning techniques which can be customized to your unique goals. Start now to speak a new language in no time! → Explore our revolutionary Live AI Tutor feature! Chat with an AI tutor in real-time, practicing conversations with police officers, taxi drivers, pharmacists, and many more. → From beginners to advanced learners (A1 to C2), customize your learning paths to match your progress and goals. → Explore languages with interactive lessons: translation, listening, spelling, sentence crafting, using visuals for memory boost. → Grasp language nuances with detailed grammar guides on word order and genders. → Practice real-life conversations through authentic chats. → Discover vast courses with essential vocabulary, grammar, and practical sentences. → Tailor your learning journey, choosing content and pace. → Overcome weaknesses with targeted practice on tough words and phrases with our pinned and difficult cards. → Experience word-by-word audio, plus normal and slow-speed options for nuanced understanding. → Benefit from transliteration in all languages with non-Latin scripts, easing learning. With the affordable Plus membership, you gain unlimited access to: ⊕ 36 languages ⊕ 200+ courses ⊕ Thousands of words Study from any language, to any language: ▪ Albanian ▪ Bosnian ▪ Bulgarian ▪ Chinese ▪ Croatian ▪ Czech ▪ Danish ▪ Dutch ▪ Estonian ▪ Filipino ▪ Finnish ▪ French ▪ German ▪ Greek ▪ Hungarian ▪ Icelandic ▪ Indonesian ▪ Italian ▪ Japanese ▪ Korean ▪ Latvian ▪ Lithuanian ▪ Macedonian ▪ Norwegian ▪ Polish ▪ Portuguese ▪ Romanian ▪ Russian ▪ Serbian ▪ Slovak ▪ Slovenian ▪ Spanish ▪ Thai ▪ Turkish ▪ Ukrainian ▪ Vietnamese

Screenshots

SuperMemo4 screens
OkyDoky4 screens

Verdict

The call

The clearest difference is review sentiment: OkyDoky at 60% against SuperMemo's 31%. OkyDoky also leads on rating (4.6 vs 4.2) and update cadence (every 5 days vs every 4 weeks). On price, ads, in-app purchases and monetization model 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. SuperMemo sells 10 in-app purchases, starting at $9.99 per month and OkyDoky sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OkyDoky holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 132 and 627 respectively. Written reviews point the same way: 31% of SuperMemo's written reviews are positive against 60% of OkyDoky's.

UpkeepUpdate frequency

SuperMemo ships an update every 4 weeks, OkyDoky every 5 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
SuperMemo versus OkyDoky: the parameters behind the verdict, then further details
ParameterSuperMemoOkyDoky
PriceFreeFree
Rating4.2 (132 ratings)4.6 (627 ratings) — better
Positive reviews31.0% of reviews59.7% of reviews — better
Number of ratings132627 — better
Update frequencyEvery 4 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size63 MB53 MB
Age rating4+4+
DeveloperSuperMemo WorldHEYLINGO OU

Customer experience

SuperMemo

All ratings132 ratings
Positive81.1%
Neutral3.0%
Negative15.9%
Written reviews42 reviews
Positive31.0%
Neutral4.8%
Negative64.3%

OkyDoky

All ratings626 ratings
Positive91.1%
Neutral4.3%
Negative4.6%
Written reviews159 reviews
Positive59.7%
Neutral15.1%
Negative25.2%

User reviews

SuperMemo

From 132 App Store ratings

What we love

  • 👍 Excellent for long-term retention
  • 👍 Highly recommended for language learning
  • 👍 Offline mode appreciated (when available)
  • 👍 Mature learning database/tool
  • 👍 Content is top-notch

Room to improve

  • 🐛 App frequently crashes or doesn't start
  • 🐛 No way to test without trial/signup
  • 🐛 Cannot connect to App Store
  • 🐛 Purchased courses disappeared after update
  • 🐛 Website not working correctly

OkyDoky

From 627 App Store ratings

What we love

  • 🚀 Great method
  • 👍 Enjoyable pace and imagery
  • 👍 Helpful for learning
  • 👍 Affordable subscription
  • 👍 Unique and powerful features

Room to improve

  • 🐛 Spelling mistakes
  • 🐛 Crashes when inputting wrong answers
  • 🐛 Freezing and crashing issues
  • 🐛 Limited lesson content
  • 🐛 Inconsistent translations

Bugs and requests

SuperMemo

Reported bugs

49 issues
  • App doesn't start on iPhone 13 Pro
  • Purchased courses disappeared after update
  • Website not working correctly
  • No longer works offline
  • Slower online performance
Show 44 more
  • Ignores user's time zone
  • No option to reset to old version
  • No way to export flashcards
  • Significantly slower for reviewing cards
  • New font is hard on the eyes
  • TTS ignores punctuation and spacing
  • New course editor is difficult
  • Single deck for all user cards
  • Text is extremely small (6-8 font size)
  • Subscription cancellation is intentionally confusing
  • Money is debited, cannot unsubscribe
  • Sentences in Chinese course make no sense
  • Poor mobile UI/UX
  • Interface is confusing
  • Terrible customer support
  • No formatting for cards (color, highlighting)
  • Premium service not as advertised
  • Imitation app, less good than original
  • Very expensive subscription
  • Developer neglecting software
  • Online browser version is a joke
  • Dumbed-down version of original
  • Register is picky (case sensitive)
  • Purchased courses do not sync
  • Impossible to log off/log back in
  • App is unusable
  • UI is ugly and unintuitive
  • Transition from previous version painful
  • Internet requirement makes things worse
  • Buttons not optimized for one-hand usage
  • Missing vocabulary courses for several languages
  • Default settings are ridiculous (30 new items/day)
  • Cannot import own cards from previous versions
  • No import for text format cards
  • Subscription service is expensive
  • Courses lack descriptions/authors
  • Login problems, app is slow and old
  • iPad version is a disaster
  • Settings page cropped, changing settings does nothing
  • Stupid card layout
  • Clunky UX
  • Obscenely overpriced
  • Atrocious content download speeds
  • Cannot connect to App Store

Requested features

29 requests
  • Option to switch back to old font
  • Fix search to allow searching for accented characters
  • Improve TTS to respect punctuation and spacing
  • Improve course editor to display cards with lots of text
  • Add Apple Sign In
Show 24 more
  • Improve mobile UI/UX
  • Add dark mode
  • Support for one-hand usage
  • Add vocabulary courses for Russian, Chinese, Arabic, Hebrew
  • Bring back old American English course
  • Allow import of cards in text format
  • Allow import of cards from previous versions
  • Improve import features for cards
  • Enable creation of memo
  • Add descriptions and authors for courses
  • Improve login process
  • Add features to catch up with Windows version
  • Fix cropped settings page on iPhone 5s
  • Improve card layout
  • Allow export of flashcards
  • Allow testing without signup/trial
  • Enable offline mode
  • Fix case sensitivity issues
  • Allow logging off and back in
  • Improve customer support responsiveness
  • Allow formatting of cards (color, highlighting)
  • Make subscription cancellation straightforward
  • Allow manual control over daily new vocabulary items per course
  • Improve download speed for content

OkyDoky

Reported bugs

4 issues
  • App crashing when importing wrong answers
  • Lessons only covering numbers 1-10
  • Incorrect translations for basic words
  • Lifetime membership not including new features

Requested features

8 requests
  • Dialectical options for languages
  • Ability to choose difficulty level
  • More detailed grammar explanations
  • Offline lesson downloads
  • Simplified Chinese option
Show 3 more
  • Katakana and hiragana courses
  • Dark mode
  • Advanced analytics dashboard

In-app purchases

10 purchases

SuperMemo

Subscriptions2
  • SuperMemo.com Premium14 Days trial$9.991 Month
  • Premium Subscription 12 months14 Days trial$99.991 Year
One-time8
  • German Grammar Repertory$29.90
  • Portuguese: Fast Track$39.90
  • Biznesowy niemiecki.Słownictwo$39.90
Show 5 more
  • Romanian: Fast Track$39.99
  • Italian Megaset 10-in-1$149.99
  • Spanish Megaset 15-in-1$219.99
  • French Megaset 17-in-1$229.99
  • German Megaset 18-in-1$249.99
6 purchases

OkyDoky

Subscriptions6
  • 1 Month Full Access7 Days trial$4.991 Month
  • Monthly Plus Membership$14.991 Month
  • Monthly Plus Membership4 variants$19.991 Month
Show 3 more
  • Monthly Plus Membership$24.991 Month
  • 1 Year Full Access7 Days trial$29.991 Year
  • Yearly Plus Membership2 variants$79.991 Year

Questions

Is SuperMemo free?
SuperMemo is free to download, with in-app purchases available.
Is OkyDoky free?
OkyDoky is free to download, with in-app purchases available.
Which has better reviews, SuperMemo or OkyDoky?
OkyDoky is rated higher. SuperMemo averages 4.2 out of 5 from 132 ratings, while OkyDoky averages 4.6 from 627 ratings.
Do SuperMemo or OkyDoky have ads?
Neither SuperMemo nor OkyDoky shows ads.
Which is updated more often, SuperMemo or OkyDoky?
SuperMemo ships an update every 4 weeks, and OkyDoky every 5 days. Most recently, SuperMemo was updated on November 1, 2026 and OkyDoky on November 3, 2026.

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