Comparison

CapWords vs SentenWord

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

SentenWord

Learn vocabulary by memorizing words within real sentences and articles, rather than isolated lists. This tool provides curated example sentences and allows you to import your own content for context-rich learning. Enhance reading comprehension with AI-generated translations and sentence analysis.

Highlights
  • Learn words in real sentences
  • Import custom sentences and articles
  • AI-generated translations and analysis
  • Curated example sentence books
  • Supports various English proficiency stages
Features
Read full description

在真实的句子和文章里记单词,而不是在孤立的词表里死记硬背。 许多英语老师都推崇「句子背单词」:把单词放进语境,记得住、也用得出。SentenWord 把这套方法做成了一个顺手的工具。 【精选例句词书】 · 覆盖考研、四六级、雅思等阶段的真题句子 · 每个单词都在真实句子中出现,搭配、用法一并掌握 【导入句子】 · 可以批量导入你想学习的句子内容 · 提供逼真的语音和句子讲解 【导入文章】 · 粘贴或对课本拍照,一键解析任何你想读的真题或文章 · AI 生成全文翻译与逐句解析,把你的阅读变成词汇课 【订阅说明】 SentenWord Pro 提供连续包月、半年订阅,解锁全部功能、更高的内容创建额度与。订阅将自动续期,可随时在系统设置中管理或取消。 隐私政策: https://starrylingo.com/sentenword/privacy 使用条款 (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CapWords4 screens
SentenWord4 screens

Verdict

The call

The clearest difference is ratings volume: CapWords at 659 against SentenWord's 2. CapWords also leads on rating (4.7 vs 4.5). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CapWords sells 6 in-app purchases, starting at $4.99 per month and SentenWord sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CapWords holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: CapWords has 659 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

CapWords ships an update every 5 days, SentenWord every 3 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
CapWords versus SentenWord: the parameters behind the verdict, then further details
ParameterCapWordsSentenWord
PriceFreeFree
Rating4.7 (659 ratings) — better4.5 (2 ratings)
Positive reviews71.2% of reviews—
Number of ratings659 — better2
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size265 MB27 MB
Age rating4+4+
DeveloperHappyPlan Tech成峰 王

Customer experience

CapWords

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

SentenWord

All ratings2 ratings
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

SentenWord

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

SentenWord

Subscriptions2
  • SentenWord Pro 会员1个月$2.991 Month
  • SentenWord Pro 半年会员$12.996 Months
One-time2
  • 5万字内容创建加量包$0.99
  • 20万字内容创建加量包$2.99

Questions

Is CapWords free?
CapWords is free to download, with in-app purchases available.
Is SentenWord free?
SentenWord is free to download, with in-app purchases available.
Which has better reviews, CapWords or SentenWord?
CapWords is rated higher. CapWords averages 4.7 out of 5 from 659 ratings, while SentenWord averages 4.5 from 2 ratings.
Do CapWords or SentenWord have ads?
Neither CapWords nor SentenWord shows ads.
Which is updated more often, CapWords or SentenWord?
CapWords ships an update every 5 days, and SentenWord every 3 days. Most recently, CapWords was updated on November 5, 2026 and SentenWord on October 30, 2026.

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