Ext Ops Panel
Open the app

MMS Calc

Chrome extension by anastasiamartinson · Productivity · Tools

A Chrome extension in Productivity · Tools with 31 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
31
Rating
not rated yet
Users, last 16 days
+1
Version
1.4.0
Updated in the store
2026-05-12
Published
2026-05-12
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+1 since 01.09
26-32 · 10 readings
  1. 2026-09-0130
  2. 2026-09-0331
  3. 2026-09-0430
  4. 2026-09-0631
  5. 2026-09-0728
  6. 2026-09-0827
  7. 2026-09-1026
  8. 2026-09-1332
  9. 2026-09-1531
  10. 2026-09-1631
Users
+1 since 01.09
26-32 · 10 readings
  1. 2026-09-0130
  2. 2026-09-0331
  3. 2026-09-0430
  4. 2026-09-0631
  5. 2026-09-0728
  6. 2026-09-0827
  7. 2026-09-1026
  8. 2026-09-1332
  9. 2026-09-1531
  10. 2026-09-1631

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: 2 match patterns.

  • https://mysaint.st-andrews.ac.uk/*
  • https://mms.st-andrews.ac.uk/*
  • 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.

The publisher

anastasiamartinson.

Like this one

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

  1. IUS-OBS Calculator Describes nearly the same job, smaller audience 18 users
  2. A+ Buddy Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. ManageBac Grade Calculator Describes nearly the same job, smaller audience 568 users ★ 5.0
  4. SBGBook Grade Calculator Describes nearly the same job, smaller audience 15 users ★ 5.0
  5. Üniversite Not Ortalaması Hesaplayıcı Describes nearly the same job, smaller audience 4 users (last published figure)

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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

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.