Comparison

K vs mchain

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

Head to head
About

K

Features
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K-OpenBadge ์ผ€์ด์˜คํ”ˆ๋ฐฐ์ง€ '์˜คํ”ˆ ๋ฐฐ์ง€(openbadge)', '๋””์ง€ํ„ธ๋ฐฐ์ง€(digitalbadge)', '๊ฐ„ํŽธ ์ธ์ฆ'์„ ์œ„ํ•œ ๋””์ง€ํ„ธ ๋ฐฐ์ง€ ์ง€๊ฐ‘ ์•ฑ์œผ๋กœ ๋ธ”๋ก์ฒด์ธ ์ „๋ฌธ๊ธฐ์—…์ธ ์†Œํ”„ํŠธ์ œ๊ตญ(swempire)์ด ์‚ฐ์—…ํ†ต์ƒ์ž์›๋ถ€์˜ ์—ฐ๊ตฌ๊ณผ์ œ๋กœ ์„ ์ •/์ง€์›๋ฐ›์•„ ๊ฐœ๋ฐœํ•œ ๊ตญ์ œํ‘œ์ค€๊ทœ๊ฒฉ ์˜คํ”ˆ๋ฐฐ์ง€ ์„œ๋น„์Šค ํ”Œ๋žซํผ์œผ๋กœ ๊ธ€๋กœ๋ฒŒ ์ƒํ˜ธ์šด์šฉ์„ฑ์„ ํ™•๋ณดํ•œ ํ•œ๊ตญํ˜• ์˜คํ”ˆ๋ฐฐ์ง€ ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. K-OpenBadge๋Š” DID๋ธ”๋ก์ฒด์ธ ๊ธฐ์ˆ ์„ ์ด์šฉํ•ด ์‚ฌ์šฉ์ž์˜ ๊ฐœ๋ณ„ ์‹ ์›์„ ํ™•์ธํ•˜๊ณ  ๋กœ๊ทธ์ธ์„ ์œ„ํ•ด ๋‹ค์–‘ํ•œ ์ธ์ฆ ์ˆ˜๋‹จ์„ ํ™œ์šฉํ•ฉ๋‹ˆ๋‹ค. ์ฒ˜์Œ 1ํšŒ๋งŒ ํ†ต์‹ ์‚ฌ ๋ณธ์ธ์ธ์ฆ์„ ํ†ตํ•ด ํšŒ์›๊ฐ€์ž…์„ ํ•˜๋ฉด ๊ฐ„ํŽธํ•˜๊ฒŒ ๋กœ๊ทธ์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋กœ๊ทธ์ธ์€ ๊ฐ„ํŽธํ•˜๊ฒŒ, ๋ฐฐ์ง€ ์ง€๊ฐ‘์€ ์†์‰ฝ๊ฒŒ ํ™•์ธํ•˜์„ธ์š”. ์ผ€์ด์˜คํ”ˆ๋ฐฐ์ง€(K-OpenBadge) ์•ฑ์œผ๋กœ ์ž์‹ ์˜ ํ•™์Šต์ด๋ ฅ, ๊ธฐ์ˆ , ์ง€์‹, ๋ช…์˜ˆ, ๊ฒฝํ—˜, ์—ญ๋Ÿ‰, ์„ฑ์ทจ, ์—…์ ์— ๋Œ€ํ•ด ๋ฐœ๊ธ‰๋ฐ›์€ ๋””์ง€ํ„ธ๋ฐฐ์ง€(Digitalbadge)๋ฅผ ํ•œ ๊ณณ์—์„œ ์†์‰ฝ๊ฒŒ ๊ด€๋ฆฌํ•˜๊ณ , ์ž์‹ ์˜ ์˜คํ”ˆ๋ฐฐ์ง€(Openbadge)๋ฅผ ๋ณด๊ด€, ๊ธฐ๋ก, ๊ณต์œ ์˜ ์ฆ๊ฑฐ์›€์„ ๋А๊ปด๋ณด์„ธ์š”. '์˜คํ”ˆ ๋ฐฐ์ง€(Openbadge)', '๋””์ง€ํ„ธ๋ฐฐ์ง€(Digitalbadge)', 'DID๊ฐ„ํŽธ ์ธ์ฆ'์„ ์œ„ํ•œ ๋””์ง€ํ„ธ ๋ฐฐ์ง€ ์ง€๊ฐ‘ ์•ฑ์œผ๋กœ ๋ธ”๋ก์ฒด์ธ ์ „๋ฌธ๊ธฐ์—…์ธ ์†Œํ”„ํŠธ์ œ๊ตญ(SWEMPIRE)์ด ์‚ฐ์—…ํ†ต์ƒ์ž์›๋ถ€์˜ ์—ฐ๊ตฌ๊ณผ์ œ๋กœ ์„ ์ •/์ง€์›๋ฐ›์•„ ๊ฐœ๋ฐœํ•œ ๊ตญ์ œํ‘œ์ค€๊ทœ๊ฒฉ ์˜คํ”ˆ๋ฐฐ์ง€ ์„œ๋น„์Šค ํ”Œ๋žซํผ์œผ๋กœ ๊ธ€๋กœ๋ฒŒ ์ƒํ˜ธ์šด์šฉ์„ฑ์„ ํ™•๋ณดํ•œ ํ•œ๊ตญํ˜• ์˜คํ”ˆ๋ฐฐ์ง€ ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. 1EdTech์˜ Open Badges ํ‘œ์ค€์„ ์ค€์ˆ˜ํ•˜์—ฌ ๊ฐœ๋ฐœํ•˜์˜€๊ณ , ์ธ์ฆ์„ ๋ฐ›์•˜์Šต๋‹ˆ๋‹ค. K-OpenBadge๋Š” ์‚ฌ์šฉ์ž์˜ ๊ฐœ๋ณ„ ์‹ ์›์„ ํ™•์ธํ•˜๊ธฐ ์œ„ํ•ด DID ๋ธ”๋ก์ฒด์ธ ๊ธฐ์ˆ ์„ ์‚ฌ์šฉํ•˜๊ณ , ๋‹ค์–‘ํ•œ ์ธ์ฆ ์ˆ˜๋‹จ์„ ํ™œ์šฉํ•˜์—ฌ ๋กœ๊ทธ์ธ์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ํšŒ์›๊ฐ€์ž…์€ ํ†ต์‹ ์‚ฌ ๋ณธ์ธ์ธ์ฆ์„ ํ†ตํ•ด ๊ฐ„ํŽธํ•˜๊ฒŒ ์ง„ํ–‰ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ธ์ฆ ์ˆ˜๋‹จ ๋“ฑ๋ก ํ›„์—๋Š” ๋กœ๊ทธ์ธ์„ ํŽธ๋ฆฌํ•˜๊ฒŒ ์ด์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. [์‚ฌ์šฉ ๋ฐฉ๋ฒ•] 1. ํšŒ์›๊ฐ€์ž… - ์‚ฌ์šฉ์ž๋Š” ํ†ต์‹ ์‚ฌ ๋ณธ์ธ์ธ์ฆ์„ ํ†ตํ•ด ํ•œ ๋ฒˆ๋งŒ ํšŒ์›๊ฐ€์ž…์„ ์ง„ํ–‰ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค. 2. ์ธ์ฆ ์ˆ˜๋‹จ ๋“ฑ๋ก - ์ƒ์ฒด (์ง€๋ฌธ ๋˜๋Š” ์–ผ๊ตด) ์ธ์ฆ, PIN ์ธ์ฆ, PATTERN ์ธ์ฆ ๋“ฑ ๋กœ๊ทธ์ธ์„ ์œ„ํ•ด ์›ํ•˜๋Š” ์ธ์ฆ ์ˆ˜๋‹จ์„ ๋“ฑ๋กํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 3. ๋ณธ์ธ์˜ ๋ฐฐ์ง€ ์ง€๊ฐ‘ ํ™•์ธ - ๋“ฑ๋กํ•œ ์ธ์ฆ ์ˆ˜๋‹จ์„ ์‚ฌ์šฉํ•˜์—ฌ ๋กœ๊ทธ์ธํ•œ ํ›„, ์‚ฌ์šฉ์ž์˜ ๋ฐฐ์ง€ ์ง€๊ฐ‘์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. - ์‚ฌ์šฉ์ž์˜ ๋ฐฐ์ง€๋Š” ๊ธฐ๊ด€์—์„œ ๋ฐœ์†กํ•œ ๋ฉ”์ผ์„ ํ†ตํ•ด ์ˆ˜๋ น์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. - ํด๋” ๊ธฐ๋Šฅ์„ ํ†ตํ•ด์„œ ์Šคํ‚ฌ, ๊ต์œก, ๊ฒฝํ—˜ ๋“ฑ์„ ๋ชจ์•„์„œ e-Portfolio ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜์—ฌ ๋ฉ”์ผ์ด๋‚˜ ์นด์นด์˜คํ†ก ๋“ฑ์œผ๋กœ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋Š” e-Portfolio๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. - ์†Œํ”„ํŠธ์ œ๊ตญ์˜ ํŠนํ—ˆ๊ธฐ์ˆ ๋กœ ๋ฐฐ์ง€์— ์ฆ๋ช…์„œ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์–ด ์ถœ๋ ฅ ์ œ์ถœ์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. 4. ๋ฐฐ์ง€ ๊ณต์œ  - ์ˆ˜๋ นํ•œ ๋ฐฐ์ง€๋ฅผ ๋‹ค์–‘ํ•œ ์†Œ์…œ ๋„คํŠธ์›Œํฌ(ํŽ˜์ด์Šค๋ถ, ๋งํฌ๋“œ์ธ, X(ํŠธ์œ„ํ„ฐ))์— ๊ณต์œ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. [์ฃผ์˜ ๋ฐ ๊ธฐํƒ€ ์‚ฌํ•ญ] - ๋ชจ๋ฐ”์ผ ๊ธฐ๊ธฐ๊ฐ€ 3G, LTE, Wi-Fi๋“ฑ ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ•œ ์ƒํƒœ์—์„œ ์ด์šฉํ•˜์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. - ์‚ฌ์šฉ์ž์˜ ์ƒ์ฒด ์ •๋ณด, PIN ๋ฒˆํ˜ธ, ํŒจํ„ด ๋“ฑ์˜ ์ธ์ฆ ์ •๋ณด ๋ฐ ๊ฐœ์ธ ์ •๋ณด๋Š” ์„œ๋ฒ„์— ์ €์žฅ๋˜๊ฑฐ๋‚˜ ์ „์†ก๋˜์ง€ ์•Š์œผ๋ฉฐ, ๋ณด์•ˆ์ด ์œ ์ง€๋ฉ๋‹ˆ๋‹ค. K-OpenBadge๋Š” ์‚ฌ์šฉ์ž์˜ ํŽธ๋ฆฌํ•œ ๋””์ง€ํ„ธ ๋ฐฐ์ง€ ์ง€๊ฐ‘ ๋ฐ ์ธ์ฆ ์ˆ˜๋‹จ ๊ด€๋ฆฌ๋ฅผ ์ง€์›ํ•˜๋ฉฐ, ๊ฐœ์ธ ์ •๋ณด ๋ณดํ˜ธ์— ์ฃผ์˜ํ•˜๋ฉฐ ์‚ฌ์šฉ์ž ๊ฒฝํ—˜์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.

About

mchain

Features
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mchain ๋ชจ๋ฐ”์ผ ์•ฑ์€ ์˜์•ฝํ’ˆ ์žฌ๊ณ ๊ด€๋ฆฌ์•ฑ์ž…๋‹ˆ๋‹ค. โ–  ์ฃผ์š” ๊ธฐ๋Šฅ 1) ์žฌ๊ณ ๊ด€๋ฆฌ : ์ž…๊ณ , ์ถœ๊ณ , ์†Œ๋ถ„, ์ด๋™, ์กฐ์ •์„ ํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 2) ์ œํ’ˆ : ์ œํ’ˆ์„ ๋“ฑ๋กํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 3) ์žฌ๊ณ  : ์žฌ๊ณ ๋ฅผ ํ•œ๋ฒˆ์— ํ™•์ธ๊ฐ€๋Šฅํ•˜๋ฉฐ ์ผ๊ด„ ์„ ํƒ์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. 4) ์ด๋ ฅ : ์ž…์ถœ๊ณ  ์ด๋ ฅ์„ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. 5) ์„ค์ • : ์žฅ์†Œ, ๊ฑฐ๋ž˜์ฒ˜, ๊ฐœ์ธ์ •๋ณด ์ˆ˜์ •์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. [์ ‘๊ทผ ๊ถŒํ•œ ์•ˆ๋‚ด] mchain ๋ชจ๋ฐ”์ผ์•ฑ์€ ๊ณ ํ’ˆ์งˆ์˜ ์„œ๋น„์Šค ์ œ๊ณต์„ ์œ„ํ•ด ์•„๋ž˜์™€ ๊ฐ™์€ ๊ถŒํ•œ์— ์ ‘๊ทผํ•˜๋ฉฐ, ์•ก์„ธ์Šค ๊ถŒํ•œ์„ ํ†ตํ•ด ์ทจ๋“ํ•œ ๋ชจ๋“  ์ •๋ณด๋Š” ์•”ํ˜ธํ™”๋ฅผ ํ†ตํ•ด ๋ณด์•ˆ์„ ์œ ์ง€ํ•˜๊ณ  ์„œ๋น„์Šค ์ œ๊ณต ์™ธ์˜ ๋ชฉ์ ์œผ๋กœ ์ด์šฉ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. 1) ์นด๋ฉ”๋ผ - QR์ฝ”๋“œ ์ธ์‹ 2) ์œ„์น˜ - ์ •ํ™•ํ•œ ์œ„์น˜(GPS ๋ฐ ๋„คํŠธ์›Œํฌ ๊ธฐ๋ฐ˜)์— ์•ก์„ธ์Šค - ๋Œ€๋žต์ ์ธ ์œ„์น˜(๋„คํŠธ์›Œํฌ ๊ธฐ๋ฐ˜)์— ์•ก์„ธ์Šค 3) ์ €์žฅ์šฉ๋Ÿ‰ - ์‚ฌ์šฉ์ž ๋ฐ์ดํ„ฐ ์ €์žฅ 6) ๊ธฐํƒ€ - ์™„์ „ํ•œ ๋„คํŠธ์›Œํฌ ์ ‘๊ทผ - ์‹œ์ž‘ํ•  ๋•Œ ์‹คํ–‰ - ํœด๋Œ€์ „ํ™”๊ฐ€ ์ ˆ์ „๋ชจ๋“œ๋กœ ์ „ํ™˜๋˜์ง€ ์•Š๋„๋ก ์„ค์ • - ๋ธ”๋ฃจํˆฌ์Šค ์„ค์ •์— ์ ‘๊ทผ - ๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ ๋ณด๊ธฐ - Wi-Fi ์—ฐ๊ฒฐ ๋ณด๊ธฐ - ์ง„๋™ ์ œ์–ด - Wi-Fi ์—ฐ๊ฒฐ ๋ฐ ์—ฐ๊ฒฐ ํ•ด์ œ - ์™„์ „ํ•œ ๋„คํŠธ์›Œํฌ ์ ‘๊ทผ - ๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ ๋ณ€๊ฒฝ - ๋ธ”๋ฃจํˆฌ์Šค ๊ธฐ๊ธฐ์™€ ํŽ˜์–ด๋ง - NFC์ œ์–ด - ๋ฐฐ์ง€ ์•Œ๋ฆผ ์ฝ๊ธฐ - ์ง„๋™ ์ œ์–ด - ์˜ค๋””์˜ค ์„ค์ • ๋ณ€๊ฒฝ โ€ป ์•ฑ์ด ์ •์ƒ์ ์œผ๋กœ ๋™์ž‘ํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ, ์•ฑ ์‚ญ์ œ ํ›„ ์žฌ์„ค์น˜ ํ•˜์‹œ๋Š” ๊ฒƒ์„ ๊ถŒ์žฅ๋“œ๋ฆฝ๋‹ˆ๋‹ค.

Screenshots

K4 screens
mchain4 screens

Verdict

The call

The clearest difference is update cadence: mchain at fortnightly against K's every 2 months. K's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

K ships an update every 2 months, mchain fortnightly. The most recent releases landed on September 14, 2026 and September 30, 2026 respectively.

Scorecard2 real differences ยท 4 level
K versus mchain: the parameters behind the verdict, then further details
ParameterKmchain
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size14 MB136 MB
Age rating4+4+
DeveloperSWEMPIRE CO., Ltd.m2cloud Inc

In-app purchases

None

K

No in-app purchases

None

mchain

No in-app purchases

Questions

Is K free?
K is free to download, with no in-app purchases.
Is mchain free?
mchain is free to download, with no in-app purchases.
Do K or mchain have ads?
Neither K nor mchain shows ads.
Which is updated more often, K or mchain?
K ships an update every 2 months, and mchain fortnightly. Most recently, K was updated on September 14, 2026 and mchain on September 30, 2026.

Other comparisons