Comparison

YBM VOCA vs Expanion

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

Head to head
About

YBM VOCA

Enhance your English vocabulary with this app, designed to complement physical books. It offers personalized learning paths, engaging games, and a challenge system to make memorization fun and effective. Track your progress and build a stronger vocabulary effortlessly.

Highlights
  • Book and app synergy for enhanced learning
  • Core word focus based on textbooks and past exams
  • Personalized learning paths by level and difficulty
  • Review incorrect words with a custom vocabulary list
  • Engaging quizzes and games for memorization
  • Real-time achievement tracking
  • Daily learning challenge system
Features
Read full description

μ±…μœΌλ‘œ μ‹œμž‘ν•΄, μ•±μœΌλ‘œ μ™„μ„±ν•˜λŠ” ν•„μˆ˜ μ˜λ‹¨μ–΄ ν•™μŠ΅! λ‚΄ 손 μ•ˆμ—μ„œ μ±Œλ¦°μ§€λ₯Ό 이어가며, λ§žμΆ€ν˜• ν•™μŠ΅κ³Ό κ²Œμž„μœΌλ‘œ 재미있게 μ•”κΈ°ν•˜μ„Έμš”. β–  YBM VOCA만의 νŠΉλ³„ν•œ APP κ²½ν—˜ Β· μ±… + μ•± μ—°κ³„λ‘œ μ™„μ„±λ˜λŠ” μ‹œλ„ˆμ§€ ν•™μŠ΅ 효과 Β· κ΅κ³Όμ„œ 및 기좜 뢄석 기반의 핡심 단어 집쀑 ν•™μŠ΅ Β· κ΅μž¬μ™€ μ—°λ™λ˜μ–΄ μ–Έμ œ μ–΄λ””μ„œλ‚˜ λŠκΉ€ μ—†λŠ” ν•™μŠ΅ β–  λ‚΄ μˆ˜μ€€μ— κΌ­ 맞좘 단어 ν•™μŠ΅ APP Β· κ°œμΈλ³„ μ§„λ„Β·λ‚œμ΄λ„μ— λ”°λ₯Έ λ§žμΆ€ν˜• ν•™μŠ΅ 제곡 Β· ν‹€λ¦° λ‹¨μ–΄λ§Œ λͺ¨μ•„ λ³΅μŠ΅ν•  수 μžˆλŠ” λ‚˜λ§Œμ˜ 단어μž₯ κΈ°λŠ₯ Β· 반볡 ν€΄μ¦ˆμ™€ κ²Œμž„μœΌλ‘œ 지루함 없이 μ•”κΈ° 지속 β–  재미있고 효율적인 ν•™μŠ΅ 도ꡬ Β· λ‹€μ–‘ν•œ κ²Œμž„ λͺ¨λ“œλ‘œ 재미있게 반볡 ν›ˆλ ¨ Β· μ‹€μ‹œκ°„ 성취도 ν™•μΈμœΌλ‘œ 동기 λΆ€μ—¬ UP Β· 맀일 κΎΈμ€€νžˆ ν•™μŠ΅ν•˜λ„λ‘ λ•λŠ” μ±Œλ¦°μ§€ μ‹œμŠ€ν…œ λ‹¨μˆœν•œ 단어μž₯이 μ•„λ‹Œ, μŠ€λ§ˆνŠΈν•œ μ–΄νœ˜ ν•™μŠ΅ APP으둜! YBM VOCA와 ν•¨κ»˜λΌλ©΄, λˆˆμ— λ³΄μ΄λŠ” μ–΄νœ˜λ ₯ ν–₯상을 κ²½ν—˜ν•  수 μžˆμŠ΅λ‹ˆλ‹€.

About

Expanion

Features
Read full description

λŒμ•„μ„œλ©΄ μžŠμ–΄λ²„λ¦¬λŠ” μ˜μ–΄, μ΄λ²ˆμ—” λ‹€λ¦…λ‹ˆλ‹€. "λΆ„λͺ… μ–΄λ””μ„œ λ΄€λŠ”λ°β€¦" μŠ€μΉ˜λ“― λ§Œλ‚œ μ˜μ–΄ ν‘œν˜„μ΄ λ©°μΉ  λ’€μ—” κΈ°μ–΅λ‚˜μ§€ μ•ŠμœΌμ…¨λ‚˜μš”? Expanion은 당신이 λ§Œλ‚œ ν‘œν˜„μ„ λΆ™μž‘μ•„, 잊고 싢어도 μžŠνžˆμ§€ μ•ŠλŠ” κΈ°μ–΅μœΌλ‘œ λ°”κΏ”μ£ΌλŠ” AI μ˜μ–΄ ν•™μŠ΅ μ•±μž…λ‹ˆλ‹€. β–  ν‘œν˜„μ„ μž…λ ₯ν•˜λ©΄, AIκ°€ 예문으둜 ν’€μ–΄μ€λ‹ˆλ‹€ κΆκΈˆν•œ μ˜μ–΄ ν‘œν˜„μ΄λ‚˜ λ¬Έμž₯을 μž…λ ₯ν•˜λ©΄ AIκ°€ μžμ—°μŠ€λŸ¬μš΄ μ˜λ―Έμ™€ μ‹€μ œλ‘œ μ“°μ΄λŠ” 예문, λ‰˜μ•™μŠ€κΉŒμ§€ 뢄석해 λ³΄μ—¬μ€λ‹ˆλ‹€. 단어 뜻만 λ˜μ§€λŠ” 사전이 μ•„λ‹ˆλΌ, "이 ν‘œν˜„μ„ μ–Έμ œ μ–΄λ–»κ²Œ μ“°λŠ”κ°€"λ₯Ό 예문으둜 μ΄ν•΄ν•˜κ²Œ λ©λ‹ˆλ‹€. β–  과학적 간격 반볡으둜, μžŠμ„ ν‹ˆμ„ μ£Όμ§€ μ•ŠμŠ΅λ‹ˆλ‹€ ν•œ 번 λ§Œλ“  ν•™μŠ΅ μΉ΄λ“œλŠ” 망각 곑선에 맞좰 λ”± ν•„μš”ν•œ μˆœκ°„μ— λ‹€μ‹œ μ°Ύμ•„μ˜΅λ‹ˆλ‹€. 맀일 수백 개λ₯Ό μ–΅μ§€λ‘œ μ™Έμš°λŠ” λŒ€μ‹ , μ΅œμ†Œν•œμ˜ 볡슡으둜 μž₯κΈ° 기얡에 μƒˆκΉλ‹ˆλ‹€. β–  λ“£κ³ , 따라 λ§ν•˜λ©° μ²΄ν™”ν•©λ‹ˆλ‹€ Β· μŒμ„± μžλ™μž¬μƒ(λ“£κΈ° λͺ¨λ“œ): 화면을 꺼도, λ‹€λ₯Έ 일을 ν•˜λ©΄μ„œλ„ μ˜μ–΄Β·ν•œκ΅­μ–΄κ°€ μ΄μ–΄μ„œ μž¬μƒλ©λ‹ˆλ‹€. Β· μ‰λ„μž‰ μ—°μŠ΅: 원어민 μ†λ„λ‘œ 따라 λ§ν•˜κ³  μŒμ„± μΈμ‹μœΌλ‘œ ν™•μΈν•©λ‹ˆλ‹€. Β· μŒμ„± μž…λ ₯: ν‘œν˜„μ„ 말둜 κ²€μƒ‰ν•˜κ³  μ˜ˆλ¬Έμ„ μž…λ ₯ν•©λ‹ˆλ‹€. β–  μ–΄λ””μ„œ λ§Œλ‚œ ν‘œν˜„μ΄λ“ , 이 μ•±μœΌλ‘œ λΈŒλΌμš°μ €, eBook, λ©”μ‹ μ €μ—μ„œ λ§ˆμŒμ— λ“œλŠ” λ¬Έμž₯을 κ³΅μœ ν•˜λ©΄ κ³§λ°”λ‘œ '받은 ν‘œν˜„ν•¨'에 λ‹΄κΉλ‹ˆλ‹€. ν˜λ €λ³΄λ‚΄λ˜ ν‘œν˜„μ΄ ν•™μŠ΅ μžλ£Œκ°€ λ©λ‹ˆλ‹€. β–  λ‚˜λ§Œμ˜ ν‘œν˜„ 덱 직접 λ§Œλ“  μΉ΄λ“œλ₯Ό 덱으둜 μ •λ¦¬ν•˜κ³ , CSV둜 λ‚΄λ³΄λ‚΄κ±°λ‚˜ κ°€μ Έμ˜¬ 수 μžˆμŠ΅λ‹ˆλ‹€. μ˜€ν”„λΌμΈμ—μ„œλ„ 이미 ν•™μŠ΅ν•œ λ‚΄μš©μ€ κ·ΈλŒ€λ‘œ μ—΄λ¦½λ‹ˆλ‹€. 이런 λΆ„κ»˜ κΆŒν•©λ‹ˆλ‹€ Β· 단어μž₯을 μ™Έμ›Œλ„ μ‹€μ „μ—μ„œ μ•ˆ λ– μ˜€λ₯΄λŠ” λΆ„ Β· 읽고 λ“£λ‹€ λ§Œλ‚œ ν‘œν˜„μ„ 였래 남기고 싢은 λΆ„ Β· 짧은 μ‹œκ°„μ— κΎΈμ€€νžˆ, 효율적으둜 μ˜μ–΄λ₯Ό μŒ“κ³  싢은 λΆ„ Premium ꡬ독 더 λ§Žμ€ ν•™μŠ΅κ³Ό μ•„μΉ΄μ΄λΈŒ λ“± ν™•μž₯ κΈ°λŠ₯은 Premiumμ—μ„œ μ΄μš©ν•  수 μžˆμŠ΅λ‹ˆλ‹€. λ¬΄λ£Œλ‘œλ„ 핡심 ν•™μŠ΅ κΈ°λŠ₯을 μΆ©λΆ„νžˆ μ‚¬μš©ν•  수 μžˆμŠ΅λ‹ˆλ‹€. Β· ꡬ독은 μ›”κ°„ λ˜λŠ” μ—°κ°„μœΌλ‘œ 제곡되며, ꡬ맀 μ‹œ Apple κ³„μ •μœΌλ‘œ μš”κΈˆμ΄ μ²­κ΅¬λ©λ‹ˆλ‹€. Β· ꡬ독은 ν˜„μž¬ κΈ°κ°„ μ’…λ£Œ μ΅œμ†Œ 24μ‹œκ°„ 전에 μžλ™ 갱신을 ν•΄μ œν•˜μ§€ μ•ŠμœΌλ©΄ μžλ™μœΌλ‘œ κ°±μ‹ λ©λ‹ˆλ‹€. Β· ꡬ맀 ν›„ Apple 계정 μ„€μ •μ—μ„œ μ–Έμ œλ“  κ΄€λ¦¬ν•˜κ±°λ‚˜ ν•΄μ§€ν•  수 μžˆμŠ΅λ‹ˆλ‹€. μ΄μš©μ•½κ΄€(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ κ°œμΈμ •λ³΄μ²˜λ¦¬λ°©μΉ¨: https://optimalreader.com/expanion/legal/privacy.html

Screenshots

YBM VOCA4 screens
Expanion4 screens

Verdict

The call

The clearest difference is in-app purchases: YBM VOCA at none against Expanion's 2. Expanion's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Expanion sells 2 in-app purchases, starting at $9.99 per month. YBM VOCA asks for nothing beyond the download.

UpkeepUpdate frequency

YBM VOCA ships an update every 3 weeks, Expanion daily. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Β· 6 level
YBM VOCA versus Expanion: the parameters behind the verdict, then further details
ParameterYBM VOCAExpanion
PriceFreeFree
Positive reviews66.7% of reviewsβ€”
Update frequencyEvery 3 weeksDaily β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details β€” not scored
Size86 MB73 MB
Age rating4+4+
DeveloperYBMPracsol Inc.

In-app purchases

None

YBM VOCA

No in-app purchases

2 purchases

Expanion

Subscriptions2
  • 프리미엄 (μ›”κ°„)$9.991 Month
  • 프리미엄 (μ—°κ°„)$79.991 Year

Questions

Is YBM VOCA free?
YBM VOCA is free to download, with no in-app purchases.
Is Expanion free?
Expanion is free to download, with in-app purchases available.
Do YBM VOCA or Expanion have ads?
Neither YBM VOCA nor Expanion shows ads.
Which is updated more often, YBM VOCA or Expanion?
YBM VOCA ships an update every 3 weeks, and Expanion daily. Most recently, YBM VOCA was updated on October 30, 2026 and Expanion on October 25, 2026.

Other comparisons