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Flash Cards : Division Facts

Chrome extension by Obsidian River Software · Productivity · Workflow

  • Established publisher

A Chrome extension in Productivity · Workflow with 2 000 users, a small but real audience.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
2 000 (the store no longer states an audience; this is the last figure it published)
Rating
1.5 (2 ratings)
Users, last 17 days
+1k
Rating, last 30 days
Not watched long enough to say
Version
1.6.20
Updated in the store
2025-02-14
Published
2012-10-13
Manifest
V3
Browser access
1 permission

How it has moved

Users
+1k since 31.08
1k-2k · 5 readings
  1. 2026-08-311k
  2. 2026-09-021k
  3. 2026-09-052k
  4. 2026-09-092k
  5. 2026-09-162k
Rating
unchanged since 31.08
reviewsrating 1.50 · 5 readings
  1. 2026-08-31reviews2rating1.50
  2. 2026-09-02reviews2rating1.50
  3. 2026-09-05reviews2rating1.50
  4. 2026-09-09reviews2rating1.50
  5. 2026-09-16reviews2rating1.50
Users
+1k since 31.08
1k-2k · 5 readings
  1. 2026-08-311k
  2. 2026-09-021k
  3. 2026-09-052k
  4. 2026-09-092k
  5. 2026-09-162k
Rating
unchanged since 31.08
reviewsrating 1.50 · 5 readings
  1. 2026-08-31reviews2rating1.50
  2. 2026-09-02reviews2rating1.50
  3. 2026-09-05reviews2rating1.50
  4. 2026-09-09reviews2rating1.50
  5. 2026-09-16reviews2rating1.50

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Sign you in with a Google account identity

The full permission history for this extension

What changed recently

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

The publisher

Obsidian River Software publishes 5 listings we track, 4k users between them. Listed website: coolflashcards.com.

  1. Flash Cards : Periodic Table of Elements Obsidian River Software · Productivity · Workflow · published 2012-09-29 569 users ★ 5.0
  2. FLASH CARDS : CISSP Certification Obsidian River Software · Productivity · Education · published 2012-09-11 488 users ★ 5.0
  3. PMP Certification Flashcards Obsidian River Software · Productivity · Workflow · published 2012-11-15 326 users ★ 4.0
Show 1 more from this publisher
  1. Basic French Flashcards Obsidian River Software · Productivity · Workflow · published 2012-11-10 145 users ★ 1.0

Like this one

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

  1. Flashcards Describes nearly the same job, smaller audience 9 users ★ 5.0
  2. Flash Cards : Periodic Table of Elements Describes nearly the same job, smaller audience 569 users ★ 5.0
  3. FlashCards Describes nearly the same job, smaller audience 6 users
  4. Flip flash cards Describes nearly the same job, smaller audience 9 users
  5. PrepCard Describes nearly the same job, smaller audience 4 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.

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.