Comparison

U vs Lumio

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

Head to head
About

U

This app allows teachers to monitor student devices in real-time, share their PC screen, and facilitate file transfers. It also includes annotation tools and group management features for collaborative learning.

Highlights
  • Real-time student device monitoring
  • Teacher PC screen sharing
  • File transfer between students and teachers
  • Annotation and whiteboard functionality
  • Student group management
  • Remote control of student devices
Features
Read full description

1. 학생 슀마트기기 λͺ¨λ‹ˆν„°λ§ - μ„ μƒλ‹˜μ€ ν•™μƒλ“€μ˜ 화면을 μ‹€μ‹œκ°„μœΌλ‘œ λͺ¨λ‹ˆν„°λ§ ν•˜λ©΄μ„œ ν•™μƒμ˜ μˆ˜μ—… μƒνƒœ 및 학생 μˆ˜μ—… μ°Έμ—¬λ₯Ό μœ λ„ ν•  수 μžˆμŠ΅λ‹ˆλ‹€.Β  2. μ„ μƒλ‹˜ PC ν™”λ©΄ 전솑 - μ„ μƒλ‹˜μ€ μˆ˜μ—…μ‹œκ°„μ— μ‚¬μš©ν•  PC 화면을 μ—°κ²°λœ λͺ¨λ“  ν•™μƒμ—κ²Œ 화면을 전솑 ν•©λ‹ˆλ‹€. 3. νŒŒμΌμ „μ†‘ - 학생은 μ„ μƒλ‹˜μ—κ²Œ νŒŒμΌμ„ 전솑 ν•  수 μžˆμŠ΅λ‹ˆλ‹€. 4. νŒμ„œκΈ°λŠ₯ - μ„ μƒλ‹˜κ³Ό 학생은 ν˜„μž¬ ν™”λ©΄ λ˜λŠ” ν™”μ΄νŠΈλͺ¨λ“œ(ν•˜μ–€μƒ‰)λ₯Ό μ‹€ν–‰ν•˜μ—¬ νŒμ„œλ₯Ό ν•  수 μžˆμŠ΅λ‹ˆλ‹€. 5. 그룹관리 - μ„ μƒλ‹˜μ€ 일뢀 학생을 그룹으둜 μ§€μ •ν•˜μ—¬ λͺ¨λ‹ˆν„°λ§,μ›κ²©μ œμ–΄λ₯Ό ν•  수 있으며 ν˜‘μ—… ν™œλ™μ— ν™œμš©ν•  수 μžˆμŠ΅λ‹ˆλ‹€.

About

Lumio

Features
Read full description

λ…ΈνŠΈμ™€ ꡐ재λ₯Ό 찍기만 ν•˜μ„Έμš”! AIκ°€ ν”Œλž˜μ‹œμΉ΄λ“œλ₯Ό λ§Œλ“€κ³ , 잊기 직전에 λ³΅μŠ΅κΉŒμ§€ μ±™κ²¨μ£ΌλŠ” 슀마트 μ•”κΈ° μ•± "λΆ„λͺ…νžˆ κ³΅λΆ€ν–ˆλŠ”λ°, μ™œ μ‹œν—˜μž₯만 κ°€λ©΄ 기얡이 μ•ˆ λ‚ κΉŒμš”?" 밑쀄 κΈ‹κ³  μš”μ•½ν•˜λŠ” 데 μ‹œκ°„μ„ λ‹€ μ“°λŠλΌ, μ •μž‘ 머릿속에 λ„£λŠ” '인좜 μ—°μŠ΅'을 λ†“μΉ˜κ³  있기 λ•Œλ¬Έμž…λ‹ˆλ‹€. Lumio(루미였)λŠ” 당신이 이미 κ³΅λΆ€ν•œ λ…ΈνŠΈμ™€ ꡐ재λ₯Ό μ ˆλŒ€ μžŠμ§€ μ•Šμ„ μž₯κΈ° κΈ°μ–΅μœΌλ‘œ λ°”κΏ” μ€λ‹ˆλ‹€. 찍고 β†’ μΉ΄λ“œκ°€ 되고 β†’ 잊기 직전에 λ‹€μ‹œ λ§Œλ‚˜λ³΄μ„Έμš”. Lumio만의 핡심 κΈ°λŠ₯ 1. 사진 ν•œ μž₯이 1초 λ§Œμ— ν”Œλž˜μ‹œμΉ΄λ“œλ‘œ 일일이 νƒ€μ΄ν•‘ν•˜λ©° μΉ΄λ“œ λ§Œλ“€μ§€ λ§ˆμ„Έμš”. 손글씨 λ…ΈνŠΈ, 전곡 μ„œμ , PDF κ΅μ•ˆμ„ 찍기만 ν•˜λ©΄ AIκ°€ 핡심 λ‚΄μš©μ„ 뢄석해 λ¬Έμ œμ™€ μ •λ‹΅ μΉ΄λ“œλ‘œ λ§Œλ“€μ–΄ λ“œλ¦½λ‹ˆλ‹€. 2. 맀일 μ•Œμ•„μ„œ μ±™κ²¨μ£ΌλŠ” μžλ™ 볡슡 μŠ€μΌ€μ€„ 였늘 무엇을 λ³΅μŠ΅ν• μ§€ κ³ λ―Όν•  ν•„μš”κ°€ μ—†μŠ΅λ‹ˆλ‹€. λ‡Œκ³Όν•™ 기반의 μ΅œμ‹  FSRS 간격 반볡 μ•Œκ³ λ¦¬μ¦˜μ΄ λ‹Ήμ‹ μ˜ 망각 곑선을 μΆ”μ ν•˜μ—¬, λ”± μžŠμ–΄λ²„λ¦΄ λ§Œν•œ 타이밍에 μΉ΄λ“œλ₯Ό λ‹€μ‹œ λ³΄μ—¬μ€λ‹ˆλ‹€. 3. 4단계 ν‰κ°€λ‘œ μ™„μ„±ν•˜λŠ” λ§žμΆ€ν˜• μ•”κΈ° 닡을 ν™•μΈν•œ λ’€ λ‚˜μ˜ κΈ°μ–΅ μƒνƒœλ§Œ μ†”μ§ν•˜κ²Œ μ•Œλ €μ£Όμ„Έμš”. λ‹€μ‹œ (Again): μ „ν˜€ κΈ°μ–΅λ‚˜μ§€ μ•Šκ±°λ‚˜ ν‹€λ¦° μΉ΄λ“œ (1λΆ„ ν›„ 재볡슡) 어렀움 (Hard): ν•œμ°Έ κ³ λ―Όν–ˆκ±°λ‚˜ ν—·κ°ˆλ¦¬λŠ” μΉ΄λ“œ (짧은 간격) μ’‹μŒ (Good): 잠깐 μƒκ°ν•˜κ³  λͺ…ν™•νžˆ 맞힌 μΉ΄λ“œ (ν‘œμ€€ 간격) 쉬움 (Easy): 보자마자 1초 λ§Œμ— λ– μ˜€λ₯Έ μΉ΄λ“œ (κΈ΄ 간격) μ†”μ§ν•˜κ²Œ ν‰κ°€ν• μˆ˜λ‘ λ‚΄ 머릿속에 μ΅œμ ν™”λœ 볡슡 μ£ΌκΈ°κ°€ μ™„μ„±λ©λ‹ˆλ‹€. 4. ν•œλˆˆμ— λ³΄μ΄λŠ” λ‚΄ κΈ°μ–΅μ˜ μƒνƒœ μΉ΄λ“œμ— 뢙은 λ°°μ§€λ₯Ό 톡해 λ‚΄κ°€ μ–΄λ–€ κ°œλ…μ„ μ™„λ²½νžˆ μ™Έμ› κ³ , 무엇을 자주 ν‹€λ¦¬λŠ”μ§€ μ§κ΄€μ μœΌλ‘œ νŒŒμ•…ν•  수 μžˆμŠ΅λ‹ˆλ‹€. 5. 손λͺ© μœ„μ—μ„œ μ±™κΈ°λŠ” 볡슡 타이밍 (Apple Watch 지원) κ³΅λΆ€ν•˜κΈ° κ°€μž₯ 쒋은 μ‹œκ°„λŒ€(μΆœν‡΄κ·ΌκΈΈ, μž λ“€κΈ° μ „ λ“±)λ₯Ό μ„€μ •ν•΄ λ‘μ„Έμš”. μžŠμ–΄λ²„λ¦΄ λ•Œμ―€ λ”± 맞좰 μ•Œλ¦Όμ„ λ³΄λ‚΄λ“œλ¦½λ‹ˆλ‹€. Apple Watch와 μ—°λ™λ˜μ–΄ μ–Έμ œ μ–΄λ””μ„œλ“  볡슡 타이밍을 λ†“μΉ˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. μ§€κΈˆ μ‹œμž‘ν•˜κ³  무료 ν¬λ ˆλ”§μ„ λ°›μœΌμ„Έμš”! νšŒμ›κ°€μž… μ¦‰μ‹œ AI ν”Œλž˜μ‹œμΉ΄λ“œ 생성을 λ°”λ‘œ μ²΄ν—˜ν•΄ λ³Ό 수 μžˆλŠ” 무료 ν¬λ ˆλ”§μ„ λ“œλ¦½λ‹ˆλ‹€. μ§€κΈˆ λ°”λ‘œ 책상 μœ„ λ…ΈνŠΈλ₯Ό μ°μ–΄λ³΄μ„Έμš”!

Screenshots

U4 screens
Lumio4 screens

Verdict

The call

The clearest difference is in-app purchases: U at none against Lumio's 4. U also leads on iOS requirement (12.3 vs 17.0). Lumio's advantage is update cadence (every 11 days vs every 4 months). On price, ads and device support 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. Lumio sells 4 one-off in-app purchases. U asks for nothing beyond the download.

UpkeepUpdate frequency

U ships an update every 4 months, Lumio every 11 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 5 level
U versus Lumio: the parameters behind the verdict, then further details
ParameterULumio
PriceFreeFree
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 4 monthsEvery 11 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, Apple Watch
Requires iOS12.3 β€” better17.0
Further details β€” not scored
Size8 MB7 MB
Age rating4+4+
DeveloperMIN HO KIMJunYoung Lee

In-app purchases

None

U

No in-app purchases

4 purchases

Lumio

One-time4
  • 55 Credits Pack$0.99
  • 260 Credits Pack$1.99
  • 650 Credits Pack$4.99
Show 1 more
  • 2000 Credits Pack$9.99

Questions

Is U free?
U is free to download, with no in-app purchases.
Is Lumio free?
Lumio is free to download, with in-app purchases available.
Do U or Lumio have ads?
Neither U nor Lumio shows ads.
Which is updated more often, U or Lumio?
U ships an update every 4 months, and Lumio every 11 days. Most recently, U was updated on November 3, 2026 and Lumio on October 28, 2026.

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