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Royal 21 Blackjack

Chrome extension by SoftwareLab · Lifestyle · Games

A Chrome extension in Lifestyle · Games with 116 users, barely installed. Audience over the last 30 days: +46.

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

What the developer says, and 2 screenshots

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

Users
116
Rating
5.0 (3 ratings)
Users, last 30 days
+46
Rating, last 30 days
Steady over 30 days
Version
1.3.0
Updated in the store
2026-07-26
Published
2026-07-21
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+46 since 29.09
70-116 · 15 readings
  1. 2026-10-0485
  2. 2026-10-0894
  3. 2026-10-0997
  4. 2026-10-1098
  5. 2026-10-16105
  6. 2026-10-17108
  7. 2026-10-19109
  8. 2026-10-20108
  9. 2026-10-21110
  10. 2026-10-22114
  11. 2026-10-23112
  12. 2026-10-24113
  13. 2026-10-25112
  14. 2026-10-26111
  15. 2026-10-29116
Rating
unchanged since 29.09
reviewsrating 5.00 · 15 readings
  1. 2026-10-04reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-16reviews3rating5.00
  6. 2026-10-17reviews3rating5.00
  7. 2026-10-19reviews3rating5.00
  8. 2026-10-20reviews3rating5.00
  9. 2026-10-21reviews3rating5.00
  10. 2026-10-22reviews3rating5.00
  11. 2026-10-23reviews3rating5.00
  12. 2026-10-24reviews3rating5.00
  13. 2026-10-25reviews3rating5.00
  14. 2026-10-26reviews3rating5.00
  15. 2026-10-29reviews3rating5.00
Users
+79 since 01.09
34-116 · 27 readings
  1. 2026-09-0137
  2. 2026-09-0336
  3. 2026-09-0537
  4. 2026-09-0836
  5. 2026-09-1034
  6. 2026-09-1342
  7. 2026-09-1743
  8. 2026-09-2052
  9. 2026-09-2150
  10. 2026-09-2564
  11. 2026-09-2671
  12. 2026-09-2870
  13. 2026-10-0485
  14. 2026-10-0894
  15. 2026-10-0997
  16. 2026-10-1098
  17. 2026-10-16105
  18. 2026-10-17108
  19. 2026-10-19109
  20. 2026-10-20108
  21. 2026-10-21110
  22. 2026-10-22114
  23. 2026-10-23112
  24. 2026-10-24113
  25. 2026-10-25112
  26. 2026-10-26111
  27. 2026-10-29116
Rating
unchanged since 01.09
reviewsrating 5.00 · 27 readings
  1. 2026-09-01reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-05reviews3rating5.00
  4. 2026-09-08reviews3rating5.00
  5. 2026-09-10reviews3rating5.00
  6. 2026-09-13reviews3rating5.00
  7. 2026-09-17reviews3rating5.00
  8. 2026-09-20reviews3rating5.00
  9. 2026-09-21reviews3rating5.00
  10. 2026-09-25reviews3rating5.00
  11. 2026-09-26reviews3rating5.00
  12. 2026-09-28reviews3rating5.00
  13. 2026-10-04reviews3rating5.00
  14. 2026-10-08reviews3rating5.00
  15. 2026-10-09reviews3rating5.00
  16. 2026-10-10reviews3rating5.00
  17. 2026-10-16reviews3rating5.00
  18. 2026-10-17reviews3rating5.00
  19. 2026-10-19reviews3rating5.00
  20. 2026-10-20reviews3rating5.00
  21. 2026-10-21reviews3rating5.00
  22. 2026-10-22reviews3rating5.00
  23. 2026-10-23reviews3rating5.00
  24. 2026-10-24reviews3rating5.00
  25. 2026-10-25reviews3rating5.00
  26. 2026-10-26reviews3rating5.00
  27. 2026-10-29reviews3rating5.00

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

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

The full permission history for this extension

What changed recently

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

The publisher

SoftwareLab publishes 19 listings we track, 534 users between them.

  1. Media Saver for IG SoftwareLab · Productivity · Tools · published 2026-07-23 239 users ★ 5.0
  2. Rodeo Gaming SoftwareLab · Lifestyle · Entertainment · published 2026-04-16 62 users
  3. Telegram Multi-Account SoftwareLab · Productivity · Tools · published 2026-07-13 33 users ★ 5.0
Show 5 more from this publisher
  1. RefreshFlow — Auto Refresh Tabs SoftwareLab · Productivity · Tools · published 2026-07-13 14 users ★ 5.0
  2. Galaga Arcade SoftwareLab · Lifestyle · Games · published 2026-07-25 13 users
  3. Big Five (OCEAN) Personality Test SoftwareLab · Lifestyle · Well Being · published 2026-07-24 10 users
  4. Lucky Cat Pachinko SoftwareLab · Lifestyle · Games · published 2026-07-30 7 users
  5. PDF Editor Pro SoftwareLab · Productivity · Workflow · published 2026-07-17 5 users

Like this one

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

  1. Blackjack Describes nearly the same job, smaller audience 48 users
  2. Blackjack – Free Casino Card Game Describes nearly the same job, smaller audience 8k users ★ 4.8
  3. Blackjack By Tom Describes nearly the same job, smaller audience 3k users ★ 4.9
  4. Neon Blackjack: 3D Casino Game Describes nearly the same job, smaller audience 66 users ★ 5.0
  5. Tableau Stratégie de Blackjack Describes nearly the same job, smaller audience 610 users ★ 5.0

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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built