CapWords vs PolyEcho
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
PolyEcho
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学外语不想再从香蕉苹果天气问路开始? 让我们直接从自己感兴趣的话题开始,让ai把任何外语的内容都降低到能理解的程度,直接把自己丢入另一语言的世界里吧! 【核心功能】 1. 单词学习,采用延伸出各种文化含义的词典,单词组成的最小语境故事,让单词成为另一语言世界鲜活的向导,不再是无意义的符号 2. AI对话功能,将各种有趣但外语学习者难以全然理解的内容转换成易于理解的对话,回到人类的对话本能,辅以AI的润色讲解与翻译,让人们得以在新技术的帮助下,直接补足自己的语言水平开始进行有意义的对话,进行更有意义、成就感的学习。 【使用条款】:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: PolyEcho at 13.0 against CapWords's 17.0. On price, update cadence, ads and in-app purchases 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 and PolyEcho sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.
| Parameter | CapWords | PolyEcho |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (545 ratings) — better | — |
| Positive reviews | 71.1% of reviews | — |
| Number of ratings | 545 — better | — |
| Update frequency | Every 5 days | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 235 MB | 207 MB |
| Age rating | 4+ | 4+ |
| Developer | HappyPlan Tech | 楷博 尚 |
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
PolyEcho
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
PolyEcho
- Monthly Subscription$12.991 Month
- Semi-Annual Subscription$59.996 Months
- Annual Subscription$99.991 Year
- 5-Time Conversation Credit$2.99









