Mass Block Twitter is now in maintenance mode. We've rebuilt it as two focused, cross-platform extensions — Twitter Blocker + Twitter Filter, now with iOS Safari support. See what's new →

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Simple, Transparent Pricing

Choose the plan that's right for you

Pro is no longer sold here

The features in MBT Pro have been rebuilt and split across two cross-platform (incl. iOS Safari) extensions:

  • Twitter Blocker ($19.99) — unlimited batch blocking that runs in true background for days or weeks (no foreground tab, breaks past MBT's 500/day limit), plus a one-click block button in many surfaces with no multi-step popups.
  • Twitter Filter (free) — Moderation Lists and unlimited keyword filtering (rebuilt as expression-based rules), with mark / hide / dynamic-block actions on your timeline. All previously-public moderation lists have been migrated as published community rules.

The plans below show what Pro previously included. Already a Pro user? Contact support with your receipt for a 100% upgrade coupon on Twitter Blocker.

Free

$0

Perfect for getting started

  • Scan and batch blocking
  • Create and Subscribe to Moderation List
  • One-click instant blocking
  • Enhanced keyword filtering
  • Shared blocklist based on community reports
  • Auto-hide heavily reported accounts
  • Auto-hide suspicious accounts
  • 100% open source

Pro

$19.99 one-time payment

Everything you need for advanced spam control

  • All Free features
  • Unlimited batch blocking (no 150 account limit)
  • Unlimited Moderation Lists
  • Unlimited muted keywords
  • (Dev) Settings sync across devices
  • Priority access to new features
  • Premium support

Frequently Asked Questions

I'm already a Pro user. Can I get Twitter Blocker for free?

Yes. Contact support with your original purchase receipt and you'll receive a one-time 100% discount code for Twitter Blocker.

Will my existing Pro license keep working?

Yes. MBT continues to function and your Pro license remains valid for the existing extension. MBT will no longer receive major updates, so for new features and iOS Safari support we recommend migrating to Twitter Blocker and Twitter Filter.

Which old Pro feature went to which extension?

Twitter Blocker inherits unlimited batch blocking (now in true background — can run for days or weeks without keeping a tab open, breaking past MBT's 500/day limit) and the one-click quick-block button (click the button in the UI to block immediately, no multi-step popups). CSV import is included.

Twitter Filter inherits Moderation Lists (full migration — all previously-public moderation lists are now available as published community rules) and unlimited keyword filtering (rebuilt as expression-based rules with no count limit), plus mark / hide / dynamic-block actions. See the full comparison.

Can I use it on multiple browsers?

Yes. Twitter Blocker and Twitter Filter both work on Chrome, Edge, Firefox, and Safari — including iOS Safari, which MBT does not support.