Comparison

CapWords vs 无痛日语

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

Head to head
About

CapWords

Capture words from your surroundings using your camera and transform them into smart flashcards. AI provides context-aware definitions and intelligent spaced repetition aids memorization. Perfect for students, travelers, and professionals looking to expand their vocabulary from real-life experiences.

Highlights
  • AI word recognition from photos
  • Contextual definitions
  • Spaced repetition review
  • Photo-linked flashcards
  • Progress tracking
  • Offline word bank
  • Multiple language support
Features
Read full description

⊕ 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

About

无痛日语

This app revolutionizes Japanese language learning with AI-powered memory algorithms and an engaging, short-video-like interface. It offers AI grammar parsing, instant dictionary lookups, and JLPT exam preparation tools. Track your progress with detailed statistics and master Japanese effortlessly.

Highlights
  • AI-driven memory algorithm (FSRS5)
  • Short-video-style word learning interface
  • One-click AI grammar parsing
  • Integrated AI dictionary lookup
  • JLPT exam preparation with real examples
  • Detailed learning progress statistics
  • Hands-free listening mode
Features
Read full description

厌倦了枯燥的背单词和复杂的语法书? 无痛日语为你带来全新学习体验。无痛日语结合创新学习交互、AI 与 FSRS5 前沿记忆算法,让日语学习变得像刷短视频一样轻松上瘾,从此告别死记硬背。 ◉ 创新交互,沉浸式刷词 告别传统的列表和卡片点击,采用类短视频 App 的上下滑动交互。每一次滑动都充满新鲜感,系统会根据你的停留时长智能判断单词的熟悉程度,让背词过程更流畅、更专注。 ◉ AI 驱动,深度理解与记忆 AI 语法解析功能让每一个例句的语法结构都能一键解析,复杂句式一目了然,真正实现学一句懂一句。 内置 AI 智能检索,遇到不懂的单词无需切换 App,即可获得精准释义、用法和例句。基于先进的 FSRS5 记忆算法,为你动态计算最佳复习间隔,将有限的精力投入到最需要巩固的知识点上,较传统艾宾浩斯算法效率倍增。 ◉ 备考利器,直击考点 内置 JLPT 历年真题例句,让你在真实的语境中学习,备考更有针对性。 随身听模式让你充分利用通勤、跑步等碎片化时间,让日语听进耳朵,培养语感。五十音图快速入门模块帮助零基础用户打下坚实基础。 ◉ 数据驱动,见证成长 提供详细的学习数据统计图表。记忆曲线、学习时长、词汇量增长、复习预测等一目了然。你的每一次进步,都清晰可见。 无论是零基础入门,还是备战 JLPT N1-N5,无痛日语都有适合你的路径。告别枯燥的死记硬背,轻松掌握日语。 ◉ 联系我们 邮 件:support@painlesswords.com 公众号:无痛单词 隐私政策:https://cn.painlesswords.com/privacy-policy.html 使用条款:https://cn.painlesswords.com/terms-and-conditions.html

Screenshots

CapWords4 screens
无痛日语4 screens

Verdict

The call

The clearest difference is review sentiment: 无痛日语 at 100% against CapWords's 71%. 无痛日语 also leads on iOS requirement (15.0 vs 17.0). CapWords's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads, in-app purchases and monetization model 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. CapWords sells 6 in-app purchases, starting at $4.99 per month and 无痛日语 sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CapWords ships an update every 5 days, 无痛日语 every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
CapWords versus 无痛日语: the parameters behind the verdict, then further details
ParameterCapWords无痛日语
PriceFreeFree
Rating4.7 (668 ratings) — better—
Positive reviews71.2% of reviews100.0% of reviews — better
Number of ratings668 — better—
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size265 MB331 MB
Age rating4+12+
DeveloperHappyPlan TechHangzhou Xiangzi Technology Co. Ltd.

Customer experience

CapWords

All ratings659 ratings
Positive91.4%
Neutral3.8%
Negative4.9%
Written reviews219 reviews
Positive71.2%
Neutral14.2%
Negative14.6%

无痛日语

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

无痛日语

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

CapWords

Subscriptions6
  • Premium-Monthly-b$4.991 Month
  • Premium-Monthly$5.991 Month
  • Premium-Yearly3 Days trial$19.991 Year
Show 3 more
  • 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
4 purchases

无痛日语

Subscriptions2
  • Monthly$9.991 Month
  • Yearly7 Days trial$29.991 Year
One-time2
  • Lifetime$49.99
  • Lifetime$69.99

Questions

Is CapWords free?
CapWords is free to download, with in-app purchases available.
Is 无痛日语 free?
无痛日语 is free to download, with in-app purchases available.
Do CapWords or 无痛日语 have ads?
Neither CapWords nor 无痛日语 shows ads.
Which is updated more often, CapWords or 无痛日语?
CapWords ships an update every 5 days, and 无痛日语 every 2 weeks. Most recently, CapWords was updated on November 8, 2026 and 无痛日语 on November 5, 2026.

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