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GLS SugangMate

Chrome extension by jjms · Productivity · Education

  • Trader

A Chrome extension in Productivity · Education with 197 users, barely installed.

Specific sites only: 3 match patterns.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
197
Rating
5.0 (1 ratings)
Users, last 17 days
+8
Rating, last 30 days
Not watched long enough to say
Version
0.4.1
Updated in the store
2026-08-27
Published
2026-07-22
Manifest
V3
Browser access
4 permissions, 3 site patterns

How it has moved

Users
+8 since 31.08
189-201 · 9 readings
  1. 2026-08-31189
  2. 2026-09-02195
  3. 2026-09-05197
  4. 2026-09-06195
  5. 2026-09-07198
  6. 2026-09-08197
  7. 2026-09-10201
  8. 2026-09-13197
  9. 2026-09-16197
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-16reviews1rating5.00
Users
+8 since 31.08
189-201 · 9 readings
  1. 2026-08-31189
  2. 2026-09-02195
  3. 2026-09-05197
  4. 2026-09-06195
  5. 2026-09-07198
  6. 2026-09-08197
  7. 2026-09-10201
  8. 2026-09-13197
  9. 2026-09-16197
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-16reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 3 match patterns.

  • https://kingoinfo.skku.edu/*
  • https://everytime.kr/*
  • https://api.everytime.kr/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage
Show the remaining 1
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

  1. Store badges changed

The publisher

jjms publishes 4 listings we track, 303 users between them.

  1. SKKU Alimi jjms · Productivity · Education · published 2026-07-30 99 users ★ 5.0
  2. AutoMock — 모바일 시뮬레이터 jjms · Productivity · Tools · published 2026-09-07 4 users
  3. LinkScape jjms · Productivity · Tools · published 2026-08-20 3 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. 서울대학교 수강신청 타임머신 Describes nearly the same job, smaller audience 63 users ★ 5.0
  2. HSU 시간표 마슐사 ✨ Describes nearly the same job, smaller audience 157 users ★ 5.0
  3. KLAS Helper Describes nearly the same job, smaller audience 9k users ★ 4.9
  4. iCampus Check V2 Describes nearly the same job, smaller audience 2k users ★ 5.0
  5. HCMUS Schedule Auto Planner Describes nearly the same job, smaller audience 7 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.