CapWords vs OpenWords
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CapWords
Capture words from real life using your camera and instantly create smart flashcards. AI provides definitions with context, and a spaced repetition system helps you remember them. Perfect for students, travelers, and professionals looking to expand their vocabulary.
- AI text recognition from photos
- AI-powered definitions with context
- Photo-linked vocabulary flashcards
- Intelligent spaced repetition review
- Progress tracking
- Offline word bank
- Multiple language support
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⊕ Apple Design Awards 2025 Winner ⊕ App Store Awards App of the Year ⊕ App Store APP OF THE DAY ⊕ App Store Editor's Choice Turn the world into your vocabulary book. CapWords is the first app that lets you capture words from real life and instantly turn them into smart flashcards. See an interesting word on a sign, book, or screen? Just snap a photo, and CapWords will recognize the text, provide AI-powered definitions, and add it to your personal vocabulary library. HOW IT WORKS • Point your camera at any text • AI instantly recognizes and extracts words • Get smart definitions with context • Words automatically saved to your vocabulary • Review with intelligent spaced repetition WHY CAPWORDS? Traditional vocabulary apps make you type words manually or browse pre-made lists. CapWords changes that completely. CAPTURE FROM REAL LIFE See a word while reading, traveling, or studying? Snap it. The photo becomes your memory anchor, helping you remember where and when you learned each word. AI-POWERED UNDERSTANDING Our AI doesn't just give you dictionary definitions. It analyzes context from your photo to provide relevant meanings, example sentences, and usage notes. SMART REVIEW SYSTEM Forget about forgetting. CapWords uses spaced repetition algorithms to remind you to review words just before you'd forget them. VISUAL MEMORY BOOST Studies show visual context dramatically improves retention. Each word stays connected to the image where you found it. PERFECT FOR ⊕ Students - Build vocabulary from textbooks and articles ⊕ Travelers - Learn local words from signs and menus ⊕ Readers - Capture unfamiliar words from books ⊕ Professionals - Master industry terminology ⊕ Test Prep - GRE, TOEFL, IELTS vocabulary building FEATURES ⊕ AI recognizes words instantly ⊕ Photo-linked flashcards ⊕ Spaced repetition review ⊕ Progress tracking ⊕ Offline word bank ⊕ Export to other apps ⊕ Multiple language support LEARNING BACKED BY SCIENCE CapWords combines three proven learning techniques: 1. Visual Association - Images boost memory retention by 65% 2. Active Capture - Finding words yourself beats passive lists 3. Spaced Repetition - Review at optimal intervals Stop typing words into apps. Start capturing them from life. Download CapWords and turn every moment into a learning opportunity. FEEDBACK & SUPPORT Questions or ideas? We’d love to hear from you: support@capwords.app LEGAL Privacy Policy: https://capwords.app/privacy Terms of Use: https://capwords.app/terms
OpenWords
This app helps you truly remember new words by providing a deep-dive dictionary with context, instant flashcards, and spaced repetition. It tracks your vocabulary growth and offers multiple study modes, all without requiring an account, subscriptions, or ads.
- Multi-sense dictionary lookup
- CEFR levels & frequency indicators
- Instant flashcard creation
- Spaced repetition system (SRS)
- Multiple study modes
- Offline access
- Vocabulary mastery tracking
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OpenWords helps you actually remember the words you look up. It is a deep-dive dictionary and vocabulary tool built for learners who want to truly master English, Dutch, German, Polish, or Russian. Most apps show you a translation and then you forget it. OpenWords is built to turn those lookups into long-term knowledge. The app provides translation support for English, Dutch, German, Spanish, French, Italian, Turkish, Russian, Polish, Czech and Simplified Chinese. DICTIONARY WITH CONTEXT - Multi-sense lookup: Don't just get a translation. See every meaning and save only the specific sense that fits your current context. - CEFR levels & frequency: Know if a word is A1 or B2. See if it's high-frequency daily speech or niche vocabulary so you can prioritize your learning. - Word families: View related roots and forms to understand patterns and grow your vocabulary faster. - Examples & phrases: See how words actually function in real sentences. FROM LOOKUP TO LEARNING - Instant Flashcards: Skip the manual data entry. Just tap the "heart" icon on any word to save it to your list and start learning immediately. - Spaced repetition (SRS): built-in algorithm schedules reviews at the perfect time, ensuring you remember every word for life. - Multiple study modes: Master your list with active recall tools designed to move vocabulary from short-term to long-term memory. - Offline access: Your dictionary and saved word lists work anywhere—no internet connection required. VISUALIZE YOUR PROGRESS - Mastery Tracking: Monitor your vocabulary growth across memory strength levels—from "New" to "Learned." - Performance Analytics: View your review history and daily progress with an integrated activity calendar. PRIVATE, CLEAN, AND FREE - No accounts: No emails, no "Sign in with Google". Your data stays on your device. - No subscriptions, no ads, and no "premium" paywalls. Every feature is available from day one. - Minimalist design: A fast, clean interface that respects your system's light or dark mode settings. - Whether you are prepping for an exam or just trying to navigate a new city, OpenWords gives you the tools to build a vocabulary that actually matters to you.
Screenshots
Verdict
The clearest difference is in-app purchases: OpenWords at none against CapWords's 7. OpenWords also leads on review sentiment (100% vs 72%) and rating (5.0 vs 4.7). CapWords's advantage is ratings volume (633 vs 3) and update cadence (every 5 days vs every 3 weeks). On price, ads 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. CapWords sells 6 in-app purchases, starting at $4.99 per month. OpenWords asks for nothing beyond the download.
OpenWords holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CapWords has 633 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 72% of CapWords's written reviews are positive against 100% of OpenWords's.
CapWords ships an update every 5 days, OpenWords every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | CapWords | OpenWords |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (633 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 72.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 633 — better | 3 |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 265 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | HappyPlan Tech | Dzina Maslouskaya |
Customer experience
CapWords
OpenWords
Bugs and requests
CapWords
Reported bugs
1 issue- Some website links not working properly
Requested features
5 requests- Add ability to import existing flashcards
- Integrate with other language learning apps
- Provide option to change native language
- Add home screen widgets
- Expand object description capabilities
OpenWords
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CapWords
- Premium-Monthly-b$4.991 Month
- Premium-Monthly$5.991 Month
- Premium-Yearly3 Days trial$19.991 Year
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- Premium-Yearly3 Days trial2 variants$29.991 Year
- Premium-Yearly-Promo1 Year trial$29.991 Year
- Premium-Yearly-Promo-b1 Year trial$29.991 Year
OpenWords
No in-app purchases









