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GradeCalc Sync Pro

Chrome extension · Productivity · Education

A Chrome extension in Productivity · Education with 8 users, barely installed. Audience over the last 30 days: -1.

Specific sites only: 4 match patterns.

What the developer says, and 2 screenshots

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

Users
8
Rating
5.0 (3 ratings)
Users, last 30 days
-1
Rating, last 30 days
Steady over 30 days
Version
5
Updated in the store
2026-04-30
Published
2026-02-24
Manifest
V3
Browser access
3 permissions, 4 site patterns

How it has moved

Users
-1 since 01.10
8-11 · 13 readings
  1. 2026-10-0510
  2. 2026-10-0911
  3. 2026-10-1010
  4. 2026-10-139
  5. 2026-10-168
  6. 2026-10-179
  7. 2026-10-188
  8. 2026-10-219
  9. 2026-10-228
  10. 2026-10-239
  11. 2026-10-248
  12. 2026-10-299
  13. 2026-10-318
Rating
unchanged since 01.10
reviewsrating 5.00 · 13 readings
  1. 2026-10-05reviews3rating5.00
  2. 2026-10-09reviews3rating5.00
  3. 2026-10-10reviews3rating5.00
  4. 2026-10-13reviews3rating5.00
  5. 2026-10-16reviews3rating5.00
  6. 2026-10-17reviews3rating5.00
  7. 2026-10-18reviews3rating5.00
  8. 2026-10-21reviews3rating5.00
  9. 2026-10-22reviews3rating5.00
  10. 2026-10-23reviews3rating5.00
  11. 2026-10-24reviews3rating5.00
  12. 2026-10-29reviews3rating5.00
  13. 2026-10-31reviews3rating5.00
Users
+2 since 01.09
6-11 · 25 readings
  1. 2026-09-016
  2. 2026-09-038
  3. 2026-09-057
  4. 2026-09-067
  5. 2026-09-088
  6. 2026-09-098
  7. 2026-09-159
  8. 2026-09-178
  9. 2026-09-218
  10. 2026-09-259
  11. 2026-09-2610
  12. 2026-09-289
  13. 2026-10-0510
  14. 2026-10-0911
  15. 2026-10-1010
  16. 2026-10-139
  17. 2026-10-168
  18. 2026-10-179
  19. 2026-10-188
  20. 2026-10-219
  21. 2026-10-228
  22. 2026-10-239
  23. 2026-10-248
  24. 2026-10-299
  25. 2026-10-318
Rating
unchanged since 01.09
reviewsrating 5.00 · 25 readings
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-05reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-08reviews3rating5.00
  6. 2026-09-09reviews3rating5.00
  7. 2026-09-15reviews3rating5.00
  8. 2026-09-17reviews3rating5.00
  9. 2026-09-21reviews3rating5.00
  10. 2026-09-25reviews3rating5.00
  11. 2026-09-26reviews3rating5.00
  12. 2026-09-28reviews3rating5.00
  13. 2026-10-05reviews3rating5.00
  14. 2026-10-09reviews3rating5.00
  15. 2026-10-10reviews3rating5.00
  16. 2026-10-13reviews3rating5.00
  17. 2026-10-16reviews3rating5.00
  18. 2026-10-17reviews3rating5.00
  19. 2026-10-18reviews3rating5.00
  20. 2026-10-21reviews3rating5.00
  21. 2026-10-22reviews3rating5.00
  22. 2026-10-23reviews3rating5.00
  23. 2026-10-24reviews3rating5.00
  24. 2026-10-29reviews3rating5.00
  25. 2026-10-31reviews3rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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: 4 match patterns.

  • *://*.instructure.com/*
  • *://canvas.wisc.edu/*
  • *://gradecal-c.com/*
Show the remaining 1
  • *://www.gradecal-c.com/*
  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

Like this one

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

  1. Canvas Analytics Describes nearly the same job, smaller audience 2k users ★ 5.0
  2. CanvasGradesPro Describes nearly the same job, smaller audience 471 users ★ 5.0
  3. Canvas Grades Extension Describes nearly the same job, smaller audience 20 users ★ 5.0
  4. Canvas Grades Describes nearly the same job, smaller audience 474 users ★ 5.0
  5. Canvas Weighted Grade Calculator Describes nearly the same job, smaller audience 110 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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pikjpnkfllfeijggeeaeepcnjjgknphd/badge.svg)](https://extops.dev/extensions/pikjpnkfllfeijggeeaeepcnjjgknphd)

HTML

<a href="https://extops.dev/extensions/pikjpnkfllfeijggeeaeepcnjjgknphd"><img src="https://extops.dev/extensions/pikjpnkfllfeijggeeaeepcnjjgknphd/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-31. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built