Comparison

DuoCards vs NOPBM

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

Head to head
About

DuoCards

Master a new language with interactive flashcards and video courses. This app helps you build vocabulary, guess words, and track your progress across over 50 languages. Learn effectively through spaced repetition and integrated translation tools.

Highlights
  • Flashcard learning with spaced repetition
  • Video language courses with interactive subtitles
  • Integrated translator for over 50 languages
  • Vocabulary builder and progress tracker
  • Guess words and phrases to sharpen skills
  • Read foreign language articles
Features
Read full description

Build vocabulary from the real content you already enjoy. DuoCards helps you save new words from videos, articles, shared decks, and your own notes, then remember them with smart flashcards and spaced repetition. Why learners choose DuoCards: - Save words and phrases from videos, subtitles, and articles - Practice with an AI tutor for real-life conversations - Improve pronunciation with instant feedback - Review vocabulary with flashcards that adapt to your progress - Learn English, Spanish, French, German, Japanese, Korean, and 50+ languages - Use ready-made courses, public decks, or your own personal word lists Learn in a simple loop: 1. Discover useful words in context 2. Save them to your personal deck 3. Review, speak, listen, and remember Whether you are learning for travel, school, work, or everyday conversations, DuoCards gives you a flexible way to build vocabulary and keep it in memory. Download DuoCards and start building your language habit today. Terms of use: https://www.duocards.com/termsofuse.html Privacy policy: https://www.duocards.com/privacypolicy.html

About

NOPBM

Features
Read full description

Learn English, Spanish, French, Japanese, Korean and more with NOPBM, a language learning app designed for practical communication. Build real language skills through short, interactive lessons. Practice speaking, listening, reading, writing, vocabulary, grammar and pronunciation at your own pace. From your first words to more confident conversations, follow a clear learning path and always know what to study next. LEARN 20+ LANGUAGES Explore courses in: • English, Spanish, French, German and Italian • Japanese, Korean and Chinese • Portuguese, Arabic and Russian • Dutch, Norwegian and Swedish • Hebrew, Urdu, Ukrainian and Vietnamese • Welsh, Yoruba, Yiddish, Xhosa and Zulu Find a language that matches your goals and build skills one lesson at a time. Course content and levels may vary by language. LEARN ENGLISH AND SPANISH Start learning English with everyday expressions, common verbs, essential vocabulary and practical conversations. Learn Spanish for travel, work, study or communicating with friends and family. Build a foundation in sentence structure and develop the skills to understand and respond in common situations. SPEAKING AND CONVERSATION PRACTICE Learn useful phrases and practice speaking for everyday situations: • Greetings and introductions • Restaurants and shopping • Travel, airports and hotels • Asking for directions • Work and study • Everyday questions and conversations Practice expressing yourself with words and sentences you can use in real life. LISTENING AND PRONUNCIATION Listen to words, phrases, sentences and dialogues. Repeat useful expressions, practice pronunciation and develop your understanding of spoken language. VOCABULARY IN CONTEXT Learn essential words about food, family, travel, transportation, work and daily activities. Build your vocabulary with examples and practical exercises instead of disconnected word lists. READING AND WRITING PRACTICE Strengthen your understanding of your new language by reading useful sentences and practicing how words fit together. Work on written communication while reinforcing the vocabulary and grammar introduced in each lesson. GRAMMAR, VERBS AND SENTENCES Understand how the language works through clear examples. Practice common verbs, questions, answers, sentence structure and everyday grammar as you progress. FROM FIRST WORDS TO REAL CONVERSATIONS Begin with greetings, numbers, questions and everyday expressions. Gradually explore longer sentences, more vocabulary and useful conversation patterns. Each stage connects to what you've practiced before, so you can keep progressing without guessing what comes next. SHORT LESSONS, CLEAR PROGRESS Fit language learning into your routine with focused lessons. Follow organized courses that gradually develop your reading, writing, listening and speaking skills. STUDY WHENEVER IT WORKS FOR YOU Practice for a few minutes during a break, on your commute or at home. Review language skills regularly and turn small learning sessions into a routine. Whether your goal is a vacation, a new job, school or personal growth, move forward at a pace that fits your day. WHY LEARN WITH NOPBM? • Multiple languages in one app • Structured courses and a clear learning path • Short, practical lessons for daily study • Speaking and conversation exercises • Listening and pronunciation practice • Vocabulary, grammar and useful phrases • Real-life situations for travel, work and study • Progress from one lesson to the next START LEARNING TODAY Whether you want to learn Spanish, improve your English or start French, German, Japanese, Korean, Chinese or another language, NOPBM helps you build confidence step by step. Learn languages through practical lessons and everyday communication. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nopbm.com/privacy-policy.txt

Screenshots

DuoCards4 screens
NOPBM4 screens

Verdict

The call

The clearest difference is update cadence: NOPBM at every 5 days against DuoCards's monthly. DuoCards's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases 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. DuoCards sells 9 in-app purchases, starting at $19.99 per month and NOPBM sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DuoCards ships an update monthly, NOPBM every 5 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
DuoCards versus NOPBM: the parameters behind the verdict, then further details
ParameterDuoCardsNOPBM
PriceFreeFree
Rating4.7 (1.5K ratings) — better—
Positive reviews63.1% of reviews—
Number of ratings1.5K — better—
Update frequencyMonthlyEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size19 MB91 MB
Age rating4+4+
DeveloperDuoCards s.r.oDAVES BALTHAZAR CONSULTORIA EM TECNOLOGIA DA INFORMACAO LTDA

Bugs and requests

DuoCards

Reported bugs

4 issues
  • App freezes and crashes
  • Issues with logging in and accessing content
  • Inconsistent behavior when adding new words
  • Problems with video playback and subtitles

Requested features

4 requests
  • Offline mode
  • More customization options
  • Improved spaced repetition system
  • Better integration with other language learning tools

NOPBM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

DuoCards

Subscriptions9
  • DuoCards Premium2 variants$19.991 Month
  • DuoCards Plus$33.003 Months
  • DuoCards Premium$34.993 Months
Show 6 more
  • DuoCards Premium7 Days trial$64.901 Year
  • DuoCards Premium7 Days trial$67.991 Year
  • DuoCards Premium1 Year trial$107.991 Year
  • DuoCards Premium7 Days trial$109.001 Year
  • DuoCards Premium7 Days trial$113.991 Year
  • DuoCards Premium1 Year trial$162.991 Year
2 purchases

NOPBM

Subscriptions2
  • NoPBM Premium Monthly7 Days trial$9.991 Month
  • NoPBM Premium Quarterly7 Days trial$24.993 Months

Questions

Is DuoCards free?
DuoCards is free to download, with in-app purchases available.
Is NOPBM free?
NOPBM is free to download, with in-app purchases available.
Do DuoCards or NOPBM have ads?
Both DuoCards and NOPBM show ads.
Which is updated more often, DuoCards or NOPBM?
DuoCards ships an update monthly, and NOPBM every 5 days. Most recently, DuoCards was updated on November 7, 2026 and NOPBM on November 5, 2026.

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