Comparison

SQLmate vs KNOUON

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

Head to head
About

SQLmate

This app helps you prepare for the SQLD certification exam by focusing on effective review and identifying your weaknesses. It uses a science-based algorithm to schedule reviews and provides detailed explanations and practice tests to ensure you retain information.

Highlights
  • FSRS smart review scheduling
  • Concept learning with 135 lessons
  • 4,325 practice questions
  • Detailed explanations
  • Weakness analysis heatmap
  • Offline learning support
  • Mock exams
Features
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์žŠ์ง€ ์•Š๋Š” SQLD ํ•™์Šต. ์–ผ๋งˆ๋‚˜ ํ‘ธ๋А๋ƒ๋ณด๋‹ค ์–ด๋–ป๊ฒŒ ๋ณต์Šตํ•˜๋А๋ƒ๊ฐ€ ํ•ฉ๊ฒฉ์„ ๊ฐ€๋ฆ…๋‹ˆ๋‹ค. SQLmate๋Š” ๋ฌธ์ œ ์ˆ˜๋งŒ ๋Š˜๋ฆฌ๋Š” ์•ฑ์ด ์•„๋‹™๋‹ˆ๋‹ค. ์ง€๊ธˆ ๋‚ด ์•ฝ์ ์ด ์–ด๋””์ธ์ง€ ์งš์–ด์ฃผ๊ณ , ํ•œ ๋ฒˆ ํ‘ผ ๋ฌธ์ œ๋ฅผ ์žŠ์–ด๋ฒ„๋ฆฌ๊ธฐ ์ง์ „์— ๋‹ค์‹œ ๊บผ๋‚ด ์ฃผ๋Š” ๋ฐ ์ง‘์ค‘ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ธ์ง€๊ณผํ•™ ๊ธฐ๋ฐ˜ FSRS ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด ๋ฌธ์ œ๋งˆ๋‹ค ๋ง๊ฐ ๊ณก์„ ์„ ๋ถ„์„ํ•ด ๋ณต์Šต ์‹œ์ ์„ ์ž๋™์œผ๋กœ ์žก์•„ ์ฃผ๊ธฐ ๋•Œ๋ฌธ์—, ๊ฐ™์€ ์‹œ๊ฐ„์„ ๋“ค์—ฌ๋„ ๋จธ๋ฆฌ์— ๋‚จ๋Š” ์–‘์ด ๋‹ค๋ฆ…๋‹ˆ๋‹ค. [์ฃผ์š” ๊ธฐ๋Šฅ] ๊ฐœ๋… ํ•™์Šต ๋ฌธ์ œ๋ถ€ํ„ฐ ํ’€๊ธฐ ๋ง‰๋ง‰ํ•˜๋‹ค๋ฉด ๊ฐœ๋…๋ถ€ํ„ฐ ์งš์Šต๋‹ˆ๋‹ค. SQLD ์ „ ๋ฒ”์œ„๋ฅผ 138๊ฐœ ๋ ˆ์Šจ์œผ๋กœ ๋‚˜๋ˆ  ์ˆœ์„œ๋Œ€๋กœ ์ตํžˆ๊ณ , ๋ฐฐ์šด ๊ฐœ๋…์€ ๋ฐ”๋กœ ๋ฌธ์ œ๋กœ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. 4,602๋ฌธ์ œ, SQLD ์ „ ๋ฒ”์œ„ ๋ฐ์ดํ„ฐ ๋ชจ๋ธ๋ง์˜ ์ดํ•ด๋ถ€ํ„ฐ SQL ๊ธฐ๋ณธ ๋ฐ ํ™œ์šฉ๊นŒ์ง€. KDATA ๊ณต์‹ ์ถœ์ œ๊ธฐ์ค€์„ ๋ฐ˜์˜ํ•ด ์ž์ฒด ์ œ์ž‘ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ƒ์„ธ ํ•ด์„ค ๋ฌธ์ œ๋งˆ๋‹ค ํ•ด์„ค์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์ •๋‹ต๋งŒ ํ™•์ธํ•˜๊ณ  ๋„˜์–ด๊ฐ€์ง€ ์•Š๊ณ , ์™œ ๊ทธ ๋‹ต์ด ๋งž๋Š”์ง€ ๊ฐœ๋…๊นŒ์ง€ ์ดํ•ดํ•˜๋ฉฐ ๋„˜์–ด๊ฐˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋” ๊นŠ์ด ํŒŒ๊ณ ๋“œ๋Š” ์ƒ์„ธ ํ•ด์„ค์€ ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์ด์ง€๋งŒ, ์ฒ˜์Œ 5๋ฒˆ์€ ๋ฌด๋ฃŒ๋กœ ์—ด์–ด ์ง์ ‘ ํ™•์ธํ•ด ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. SQL ์‹ค์Šต์žฅ ํ•ด์„ค์—์„œ ๋ฐ”๋กœ ๋„˜์–ด๊ฐ€ ๊ทธ ๋ฌธ์ œ์˜ ์ฟผ๋ฆฌ๋ฅผ ์ง์ ‘ ๋Œ๋ ค๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ์˜ ํ‘œ๊ฐ€ ์ด๋ฏธ ์˜ฌ๋ผ๊ฐ€ ์žˆ์–ด ์„ค์น˜๋‚˜ ๋กœ๊ทธ์ธ ์—†์ด ๋ธŒ๋ผ์šฐ์ €์—์„œ ์—ด๋ฆฝ๋‹ˆ๋‹ค. ์กฐ๊ฑด์„ ๋ฐ”๊ฟ”๊ฐ€๋ฉฐ ๊ฒฐ๊ณผ๊ฐ€ ์–ด๋–ป๊ฒŒ ๋‹ฌ๋ผ์ง€๋Š”์ง€ ํ™•์ธํ•ด ๋ณด์„ธ์š”. ๋‹ค์–‘ํ•œ ํ’€์ด ๋ชจ๋“œ ๊ณผ๋ชฉ๋ณ„, ๋‹จ์›๋ณ„๋กœ ๊ณจ๋ผ ํ’€ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์•ˆ ํ‘ผ ๋ฌธ์ œ๋ถ€ํ„ฐ ํ’€๊ฑฐ๋‚˜, ์•ฝ์  ๋‹จ์›๋งŒ ๋ชจ์•„ ์ง‘์ค‘ ๊ณต๋žตํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ „ ๊ณผ๋ชฉ์„ ์„ž์–ด ํ‘ธ๋Š” ๋‹จ์›๋ณ„ ์…”ํ”Œ ๋ชจ๋“œ๋„ ๋ฌด๋ฃŒ๋กœ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. FSRS ์Šค๋งˆํŠธ ๋ณต์Šต ์ž˜ ๋งžํžˆ๋Š” ๋ฌธ์ œ๋Š” ๋ณต์Šต ๊ฐ„๊ฒฉ์„ ๋„“ํžˆ๊ณ , ์ž์ฃผ ํ‹€๋ฆฌ๋Š” ๋ฌธ์ œ๋Š” ๋น ๋ฅด๊ฒŒ ๋‹ค์‹œ ๋ณด์—ฌ ์ค๋‹ˆ๋‹ค. ๋ณต์Šต ์Šค์ผ€์ค„์„ ์ง์ ‘ ์งค ํ•„์š” ์—†์ด, ์˜ค๋Š˜ ๋ด์•ผ ํ•  ๋ฌธ์ œ๋ฅผ ์•ฑ์ด ์ฑ™๊ฒจ ์ค๋‹ˆ๋‹ค. ๋ณต์Šต ์•Œ๋ฆผ ๋งค์ผ ํ•™์Šต ๋ฆฌ๋งˆ์ธ๋”์™€ FSRS ๋ณต์Šต ์‹œ์  ์•Œ๋ฆผ์œผ๋กœ, ์žŠ์–ด๋ฒ„๋ฆด ๋•Œ์ฏค ๋‹ค์‹œ ๋ณผ ์ˆ˜ ์žˆ๊ฒŒ ๊ณต๋ถ€ ํ๋ฆ„์„ ์ฑ™๊ฒจ ์ค๋‹ˆ๋‹ค. ์•ฝ์  ๋ถ„์„ ํžˆํŠธ๋งต ์„ธ๋ถ€ ๋‹จ์›๋ณ„ ์ •๋‹ต๋ฅ ์„ ํ•œ๋ˆˆ์— ๋ด…๋‹ˆ๋‹ค. ์–ด๋А ์˜์—ญ์ด ์•ฝํ•œ์ง€ ์ƒ‰์œผ๋กœ ํ™•์ธํ•˜๊ณ  ๋ฐ”๋กœ ๊ทธ ๋‹จ์› ํ’€์ด๋กœ ๋„˜์–ด๊ฐˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์˜ค๋‹ต๋…ธํŠธ์™€ ๋ณต์Šตํ•จ ํ‹€๋ฆฐ ๋ฌธ์ œ์™€ ๋‹ค์‹œ ๋ณผ ๋ฌธ์ œ๋ฅผ ํ•œ๊ณณ์— ๋ชจ์•„ ๋‘ก๋‹ˆ๋‹ค. ํ•จ์ • ์œ ํ˜•, SQL ๋ฌธ๋ฒ•, ๋ฒ”์œ„ ์ดํƒˆ ๋“ฑ ์›์ธ๋ณ„๋กœ ๋ฌถ์–ด ๋ณต์Šตํ•˜๊ณ , ๋ฌธ์ œ๋งˆ๋‹ค ๋‚˜๋งŒ์˜ ๋ฉ”๋ชจ๋ฅผ ๋‚จ๊ธธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹ค์ „ ๋ชจ์˜๊ณ ์‚ฌ ์‹ค์ œ ์‹œํ—˜๊ณผ ๊ฐ™์€ 50๋ฌธํ•ญ 90๋ถ„ ํ˜•์‹์œผ๋กœ 10์„ธํŠธ๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ๊ณผ๋ฝ ๊ธฐ์ค€์œผ๋กœ ์ฑ„์ ํ•˜๊ณ , ์ตœ๊ณ  ์ ์ˆ˜์™€ ์‘์‹œ ์ด๋ ฅ์„ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ํ•™์Šต ํ†ต๊ณ„์™€ ์—ฐ์† ํ•™์Šต ์ผ๋ณ„ ํ’€์ด ์ˆ˜, ์ •๋‹ต๋ฅ  ์ถ”์ด, ์—ฐ์† ํ•™์Šต์ผ์„ ์‹ค์‹œ๊ฐ„์œผ๋กœ ํ™•์ธํ•˜์„ธ์š”. ๋งค์ผ ์กฐ๊ธˆ์”ฉ ์Œ“์ด๋Š” ๊ธฐ๋ก์ด ๊พธ์ค€ํ•จ์„ ๋งŒ๋“ค์–ด ์ค๋‹ˆ๋‹ค. ์‹œํ—˜ ์ผ์ • D-day ๋‹ค๊ฐ€์˜ค๋Š” SQLD ์‹œํ—˜ ์ผ์ •์„ ํ™ˆ์—์„œ ๋ฐ”๋กœ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ๋ผ์ดํŠธ, ๋‹คํฌ ํ…Œ๋งˆ ์‹œ์Šคํ…œ ์„ค์ •์„ ๋”ฐ๋ฅด๊ฑฐ๋‚˜ ์ง์ ‘ ๊ณ ๋ฅผ ์ˆ˜ ์žˆ์–ด, ๋ฐค๋Šฆ๊ฒŒ ๊ณต๋ถ€ํ•  ๋•Œ๋„ ๋ˆˆ์ด ํŽธ์•ˆํ•ฉ๋‹ˆ๋‹ค. ํƒœ๋ธ”๋ฆฟ ์ง€์› ํœด๋Œ€ํฐ๋ฟ ์•„๋‹ˆ๋ผ ํƒœ๋ธ”๋ฆฟ์—์„œ๋„ ํฐ ํ™”๋ฉด์— ๋งž์ถ˜ ๋ ˆ์ด์•„์›ƒ์œผ๋กœ ํŽธํ•˜๊ฒŒ ๊ณต๋ถ€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์˜คํ”„๋ผ์ธ ํ•™์Šต ์ธํ„ฐ๋„ท์ด ์—†์–ด๋„ ๋ฌธ์ œ๋ฅผ ํ’€ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ง€ํ•˜์ฒ , ๋น„ํ–‰๊ธฐ ์•ˆ์—์„œ๋„ ๋Š๊น€ ์—†์ด ๊ณต๋ถ€ํ•˜์„ธ์š”. [์ฝ˜ํ…์ธ  ์•ˆ๋‚ด] SQLmate๋Š” ๊ธฐ์ถœ๋ฌธ์ œ๋ฅผ ์ˆ˜๋กํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. SQLD๋Š” ์‹ค์ œ ์‹œํ—˜๋ฌธ์ œ๊ฐ€ ๊ณต๊ฐœ๋˜์ง€ ์•Š์œผ๋ฉฐ, ๊ธฐ์ถœ๋ฌธ์ œ์˜ ์ €์ž‘๊ถŒ์€ ์‹œํ–‰์ฒ˜์ธ ํ•œ๊ตญ๋ฐ์ดํ„ฐ์‚ฐ์—…์ง„ํฅ์›(KDATA)์— ์žˆ์–ด ๊ทธ๋Œ€๋กœ ์˜ฎ๊ฒจ ์‹ฃ๋Š” ๊ฒƒ์€ ํ—ˆ์šฉ๋˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋Œ€์‹  KDATA ์ถœ์ œ๊ธฐ์ค€์„ ๋ถ„์„ํ•ด ์‹ค์ œ ์‹œํ—˜์˜ ํ˜•์‹๊ณผ ๋‚œ์ด๋„์— ๋งž์ถ˜ ํ•™์Šต์šฉ ๋ฌธ์ œ๋ฅผ ์ง์ ‘ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค. ์ถœ์ œ ๊ฐ€๋Šฅ์„ฑ์ด ๋†’์€ ํ•ต์‹ฌ ์œ ํ˜•์œผ๋กœ ๊ตฌ์„ฑํ–ˆ์œผ๋ฉฐ, ๊ธฐ์ถœ๋ฌธ์ œ๋ฅผ ๋ณต์›ํ•˜๊ฑฐ๋‚˜ ๋ณต์ œํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ํ•™์Šต์„ ๋•๋Š” ๋„๊ตฌ์ด๋ฉฐ ํ•ฉ๊ฒฉ์„ ๋ณด์žฅํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋ณธ ์•ฑ์€ SQLD ํ•™์Šต์„ ๋•๋Š” ๋…๋ฆฝ์ ์ธ ๋ฏผ๊ฐ„ ํ•™์Šต ๋„๊ตฌ์ด๋ฉฐ, ํ•œ๊ตญ๋ฐ์ดํ„ฐ์‚ฐ์—…์ง„ํฅ์›(KDATA) ๋“ฑ ์ •๋ถ€, ๊ณต๊ณต๊ธฐ๊ด€๊ณผ ์ œํœดํ•˜๊ฑฐ๋‚˜ ์ด๋ฅผ ๋Œ€ํ‘œํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. [์ด๋Ÿฐ ๋ถ„์—๊ฒŒ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค] SQLD๋ฅผ ์ฒ˜์Œ ์ค€๋น„ํ•˜๋Š” ๋ถ„ ๋…ํ•™์œผ๋กœ ํ•ฉ๊ฒฉ์„ ๋ชฉํ‘œํ•˜๋Š” ์ทจ์ค€์ƒ, ์ง์žฅ์ธ ์ •์ฒ˜๊ธฐ ํ•ฉ๊ฒฉ ํ›„ ๋‹ค์Œ ์ž๊ฒฉ์ฆ์„ ์ค€๋น„ํ•˜๋Š” ๋ถ„ ๋น„์ „๊ณต์œผ๋กœ ๋ฐ์ดํ„ฐ ์ง๊ตฐ์„ ์ค€๋น„ํ•˜๋Š” ๋ถ„ ์ถœํ‡ด๊ทผ ์‹œ๊ฐ„์„ ํ™œ์šฉํ•ด ์งง๊ฒŒ ๊ณต๋ถ€ํ•˜๊ณ  ์‹ถ์€ ๋ถ„ [์•ฝ๊ด€] ์ด์šฉ์•ฝ๊ด€: https://dayprep.co/sqlmate/terms ๊ฐœ์ธ์ •๋ณด์ฒ˜๋ฆฌ๋ฐฉ์นจ: https://dayprep.co/sqlmate/privacy (c) 2026 DAYLAB, contact@daylab.dev

About

KNOUON

This app provides a unified learning management system for various degree and lifelong education courses. Access lectures, download video content, and receive important notifications to enhance your educational experience.

Highlights
  • Unified learning management system
  • Access PC-equivalent lecture content
  • Download lecture videos
  • Receive learning-related notifications
Features
Read full description

KNOUON์€ ๋ฐฉ์†ก๋Œ€ ํ†ตํ•ฉ ํ•™์Šต๊ด€๋ฆฌ์‹œ์Šคํ…œ์ž…๋‹ˆ๋‹ค. ํ”„๋ผ์ž„์นผ๋ฆฌ์ง€ ํ•™์œ„๊ณผ์ • ๋ฐ ํ‰์ƒ๊ต์œก๊ณผ์ •, ๋Œ€ํ•™์›, ๊ฒฝ์˜๋Œ€ํ•™์› ๋“ฑ์˜ ํ†ตํ•ฉ ํ•™์Šตํ™˜๊ฒฝ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. APP์—์„œ ์ œ๊ณตํ•˜๋Š” ๊ธฐ๋Šฅ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค. 1. PC์™€ ๋™์ผํ•œ ๊ฐ•์˜ ์ฝ˜ํ…์ธ ๋ฅผ ํ•™์Šตํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 2. ๊ฐ•์˜์˜์ƒ ๋‹ค์šด๋กœ๋“œ : ์ˆ˜๊ฐ•์ค‘์ธ ๊ณผ๋ชฉ์˜ ํ•™์Šต์˜์ƒ์„ ๋‹ค์šด๋กœ๋“œํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 3. ์•Œ๋ฆผ ์„œ๋น„์Šค : ํ•™์Šต๊ณผ ๊ด€๋ จ๋œ ๋‹ค์–‘ํ•œ ์•Œ๋ฆผ์„ ๋ฐ›์œผ์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Screenshots

SQLmate4 screens
KNOUON3 screens

Verdict

The call

The clearest difference is review sentiment: SQLmate at 100% against KNOUON's 0%. SQLmate also leads on update cadence (weekly vs fortnightly). KNOUON's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. SQLmate sells 1 in-app purchase, starting at $1.99 per month. KNOUON asks for nothing beyond the download.

UpkeepUpdate frequency

SQLmate ships an update weekly, KNOUON fortnightly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard5 real differences ยท 3 level
SQLmate versus KNOUON: the parameters behind the verdict, then further details
ParameterSQLmateKNOUON
PriceFreeFree
Positive reviews100.0% of reviews โ€” better0.0% of reviews
Update frequencyWeekly โ€” betterFortnightly
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesFree โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better16.0
Further details โ€” not scored
Size100 MB41 MB
Age rating4+4+
Developerdasong simKorea National Open University

Customer experience

SQLmate

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

KNOUON

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

SQLmate

Subscriptions1
  • ํ”„๋ฆฌ๋ฏธ์—„ ์›”๊ฐ„$1.991 Month
None

KNOUON

No in-app purchases

Questions

Is SQLmate free?
SQLmate is free to download, with in-app purchases available.
Is KNOUON free?
KNOUON is free to download, with no in-app purchases.
Do SQLmate or KNOUON have ads?
SQLmate shows ads; KNOUON does not.
Which is updated more often, SQLmate or KNOUON?
SQLmate ships an update weekly, and KNOUON fortnightly. Most recently, SQLmate was updated on October 2, 2026 and KNOUON on October 7, 2026.

Other comparisons