DuoCards vs Watch Your Language
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Watch Your Language
Learn new languages passively throughout your day with convenient widgets for your phone and watch. Turn frequent glances into micro-learning moments without needing extra study time. Practice with mini-games and track your progress.
- Passive learning via widgets
- Mini-games for practice
- Learn 25+ languages
- Example sentences for context
- Audio pronunciation
- Progress tracking
- AI-powered image scanning for import
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On average, people check their watches 50 times a day and phones 100 times a day. We turn these frequent glances into "micro-learning moments" - no extra time needed. Learn languages passively throughout your day. HOW IT WORKS Every time you check your watch or check your iPhone, vocabulary words appear. With dozens of glances per day, you'll naturally absorb new words without disrupting your routine. Words often repeat in a smart way to ensure you remember them. You can choose whether you want a new word every 5 minutes or once a day. You can add widgets on your home screen, lock screen and watch, and customize them according to what you like. LANGUAGE SUPPORT Learn 25+ languages including Spanish, French, Japanese, Korean, German, Italian, Chinese, Portuguese, Arabic, and more. WATCH COMPATIBILITY Works on every Apple Watch listed below: • Apple Watch Series 4, 5, 6, 7, 8, 9, 10, 11 and later • Apple Watch SE (all generations) • Apple Watch Ultra (all generations) MINI-GAMES Want to check your progress? Practice with mini-games: • Daily Practice: a quick mixed session every day • Pairs, Quiz and Listen: review the words from your own list • Numbers, Maths and Time: count, calculate and tell the time • Colors, Shapes and Emotions • Weekdays and Months • Directions and Prepositions: north, left, under, next to… • Alphabet, Articles and Accents, for the languages that have them Perfect for: • Language learners who want to learn without extra effort • Busy professionals looking to improve their language skills • Students preparing for language exams • Anyone who wants to make the most of their Apple Watch KEY FEATURES • Learn without studying with widgets and mini-games • Learn in context with an example sentence for each word • Easily hear words and their example sentences read out loud • Track the words you learn over time • Practice in both directions (vocabulary→translation and translation→vocabulary) Apple Watch App • Practice vocabulary directly on your watch • Tap to reveal translations when answers are hidden • Automatic synchronization with iPhone • Auto-rotating words based on your refresh rate (2 minutes to 1 week) • Watch complications (inline, rectangular, circular, corner) • Optimized for Modular and X-Large watch faces • Customizable display options iPhone App • Interactive Home Screen & Lock Screen Widgets for passive learning • Mark words as learned once you know them • Discover curated word packs organized by theme and level, from beginner to advanced • Multiple import methods: - Manual entry - AI-powered image scanning (extract words from handwritten notes) - Google Sheets/CSV import • Pre-curated vocabulary packs by themes and proficiency levels • Adjustable settings: show/hide answers, refresh rate, and more PREMIUM FEATURES Unlock unlimited words, and advanced import features with a premium subscription. Start learning today—no extra time required. Just check your watch and learn. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Watch Your Language at none against DuoCards's shown. Watch Your Language also leads on update cadence (every 4 days vs monthly) and rating (5.0 vs 4.7). DuoCards's advantage is ratings volume (1.4K vs 2) and iOS requirement (13.0 vs 18.0). 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
Both are free to download. DuoCards sells 10 in-app purchases, starting at $19.99 per month and Watch Your Language sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Watch Your Language holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DuoCards has 1.4K ratings behind it against 2, so its average is the more settled of the two.
DuoCards ships an update monthly, Watch Your Language every 4 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | DuoCards | Watch Your Language |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.4K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 63.1% of reviews | — |
| Number of ratings | 1.4K — better | 2 |
| Update frequency | Monthly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 19 MB | 182 MB |
| Age rating | 4+ | 4+ |
| Developer | DuoCards s.r.o | RAPHAEL LEGER |
Customer experience
DuoCards
Watch Your Language
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
Watch Your Language
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DuoCards
- DuoCards Premium2 variants$19.991 Month
- DuoCards Plus$33.003 Months
- DuoCards Premium$34.993 Months
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- DuoCards Premium$49.991 Year
- 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
Watch Your Language
- Full version$4.991 Month
- Full version3 Days trial$29.991 Year
- Full version$29.991 Year
Show 3 moreShow fewer
- Full version7 Days trial$29.991 Year
- Full version1 Year trial$29.991 Year
- Full version14 Days trial$29.991 Year
- Lifetime Access$79.99
Questions
Is DuoCards free?
Is Watch Your Language free?
Which has better reviews, DuoCards or Watch Your Language?
Do DuoCards or Watch Your Language have ads?
Which is updated more often, DuoCards or Watch Your Language?
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