Comparison

MnemonicWords vs KnowLang

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

Head to head
About

MnemonicWords

Master English vocabulary with a comprehensive learning assistant. It offers structured courses, a vast dictionary, and interactive exercises designed for all levels, from beginners to exam preparation. Utilize spaced repetition and personalized flashcards for effective memorization.

Highlights
  • Vocabulary courses for all levels
  • Extensive English dictionary
  • 15 memorization exercises
  • Spaced repetition technique
  • Offline mode for courses
  • Phrasebooks and grammar rules
  • Customizable flashcards
Features
Read full description

Mnemonic Words is your all-in-one assistant for building your English vocabulary and learning English independently. WHO IS MNEMONIC WORDS FOR? • you have just started learning English and want to master the essential vocabulary • you are continuing to learn English and want to expand your vocabulary • you are preparing for an English exam such as IELTS, TOEFL, CAE, or FCE and need to learn a large number of new words quickly WHAT MNEMONIC WORDS OFFERS • vocabulary courses for Beginner, Elementary, and Intermediate levels, featuring 1,000, 1,200, and 1,400 of the most commonly used English words • English vocabulary organized by popular topics — more than 20,000 words • an English dictionary with more than 150,000 words and phrases, where you can also add your own words and phrases • the ability to create your own vocabulary sets • 15 different exercises for memorizing English words • 2 vocabulary tests and 3 games • phrasebooks on popular topics with more than 2,500 useful English phrases for everyday communication • an effective spaced repetition system And also: • offline access to vocabulary courses • grammar rules with plenty of examples and exercises • video phrases from popular TV series with exercises to help you memorize them • books • family sharing • creation of flashcards and audio files SPACED REPETITION For long-term vocabulary retention, Mnemonic Words uses the proven spaced repetition method based on the Ebbinghaus forgetting curve. When preparing for exams, you can also use the intensive learning mode to memorize new words more quickly. The repetition calendar and reminder system tell you when it is time to review certain words and when they are ready to be tested. Mnemonic Words also pays special attention to the words you find the most difficult to remember. VOCABULARY EXERCISES 15 varied exercises help you memorize the meanings of English words, their spelling and pronunciation, and learn how to use them in context. This makes Mnemonic Words a powerful tool for expanding and reinforcing your English vocabulary. ENGLISH WORD CARDS English word cards include: • high-quality audio with British and American pronunciation • phonetic transcription • the most common translation and additional meanings • example sentences with translations and audio More than 5,000 of the most commonly used English words also include images that make the learning process more visual and engaging. For every word you want to learn, you can add your own translation, example sentence, text association, and image if one is not already available. For 14 days after registration, you can learn English words without limits and explore all the vocabulary-learning features of Mnemonic Words. A monthly or annual Mnemonic Words subscription gives you unlimited access to vocabulary learning both in the app and on the website at https://mnemonicwords.com, as well as access to Family Sharing. The “All Included” package additionally allows you to create an unlimited number of flashcards and audio files from English words and phrases. You can purchase an auto-renewable monthly or annual subscription in the app. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Payment will be charged to your App Store account upon confirmation of purchase. Your account will be charged for renewal within 24 hours before the end of the current subscription period. You can manage your subscription and turn off auto-renewal in your account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Privacy Policy: https://mnemonicwords.app/privacy Terms of Use: https://mnemonicwords.app/terms

About

KnowLang

Master English with a comprehensive app featuring a 18,000-word dictionary, irregular verb drills, and grammar lessons from A1 to C2. Engage with pronunciation practice, reading materials, and word games to enhance your vocabulary and fluency.

Highlights
  • 18,000-word dictionary
  • Irregular verb training
  • Grammar lessons (A1-C2)
  • Pronunciation practice
  • English books
  • Word games
Features
Read full description

Приложение KnowLang создано для комплексного изучения английского языка. В словаре содержится перевод 18 тысяч английских слов, также ты можешь добавлять свои. Отдельные тренировки по неправильным глаголам помогут быстро выучить и запомнить три формы неправильных глаголов в английском языке. Благодаря бесплатным уведомлениям, ты будешь легко увеличивать свой словарный запас. Грамматика английского языка в KnowLang поможет повысить твой уровень английского от А1 до С2. Каждый раздел включает подробные правила грамматики английского и более 3000 упражнений для практического использования правил. Также, в KnowLang есть Super-тренировки, которые объединяют упражнения по всем правилам английского языка и отслеживают, какие темы лучше или хуже усвоены. Это позволит тебе сосредоточиться на изучении тех правил, которые нуждаются в дополнительной проработке, и быстрее достичь желаемого уровня владения английского языка. Дополнительные разделы помогут тебе погрузится в обучение с интересом и пользой: тренировка произношения выражений на английском, книги на английском, игры в слова (собирай слова из букв или соревнуйся с другими игроками). KnowLang предлагает множество возможностей для полного и увлекательного изучения английского языка, позволяя достигнуть желаемого уровня владения с легкостью и удовольствием. Политика конфиденциальности: https://knowlang.app/politics Условия использования: https://knowlang.app/terms

Screenshots

MnemonicWords4 screens
KnowLang4 screens

Verdict

The call

The clearest difference is rating: KnowLang at 5.0 against MnemonicWords's 4.4. MnemonicWords's advantage is ratings volume (10 vs 1). On price, review sentiment, update cadence and ads 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. MnemonicWords sells 11 in-app purchases, starting at $1.99 per month and KnowLang sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

KnowLang holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: MnemonicWords has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

MnemonicWords ships an update fortnightly, KnowLang every 3 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
MnemonicWords versus KnowLang: the parameters behind the verdict, then further details
ParameterMnemonicWordsKnowLang
PriceFreeFree
Rating4.4 (10 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings10 — better1
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size60 MB31 MB
Age rating4+12+
DeveloperOleksiy KudryaIaroslav Oleinikov

Customer experience

MnemonicWords

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KnowLang

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

MnemonicWords

Subscriptions4
  • Full access for 1 month$1.991 Month
  • Full access for 1 month$2.991 Month
  • Full access for 1 year$14.991 Year
Show 1 more
  • Full access for 1 year$21.491 Year
One-time7
  • Creating audio files$3.99
  • Creating audio files$5.99
  • Creating audio files$7.99
Show 4 more
  • Flash cards and audio files$10.99
  • Flash cards and audio files$13.99
  • All included$38.99
  • All-inclusive$54.99
7 purchases

KnowLang

Subscriptions3
  • KnowLang Pro (1 месяц)3 Days trial$2.991 Month
  • KnowLang Pro (6 месяцев)3 Days trial$9.996 Months
  • KnowLang Pro (1 год)3 Days trial$17.991 Year
One-time4
  • 15 монет$0.29
  • 60 монет$0.99
  • 140 монет$1.99
Show 1 more
  • 300 монет$2.99

Questions

Is MnemonicWords free?
MnemonicWords is free to download, with in-app purchases available.
Is KnowLang free?
KnowLang is free to download, with in-app purchases available.
Which has better reviews, MnemonicWords or KnowLang?
KnowLang is rated higher. MnemonicWords averages 4.4 out of 5 from 10 ratings, while KnowLang averages 5.0 from 1 ratings.
Do MnemonicWords or KnowLang have ads?
Neither MnemonicWords nor KnowLang shows ads.
Which is updated more often, MnemonicWords or KnowLang?
MnemonicWords ships an update fortnightly, and KnowLang every 3 weeks. Most recently, MnemonicWords was updated on October 10, 2026 and KnowLang on October 12, 2026.

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