CardCompass — Rewards Optimizer by Carlo

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CardCompass — Rewards Optimizer version history - 3 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.4.0
Released 8 Jul 2026 - 143.05 kB
Works with firefox 140.0 and later
v1.4.1 — Refreshed the built-in card database to match July 2026 issuer updates (annual fees and welcome offers), so "best card for this purchase" recommendations stay accurate. No changes to permissions or functionality.
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file
Older versions
Version 1.3.0
Released 20 Jun 2026 - 143.08 kB
Works with firefox 140.0 and later
• Tap the CardCompass logo to visit cardcompass.app
• See how much better your top card is vs. your next best (e.g. "1.8% better than your next best card")
• Pro upsell now shows your actual reward gap by category
• Smarter empty-state copy when no merchant is detected
• Renamed "Edit cards" to "My cards"
• Compare link easier to see
• Feedback input now shows example format (e.g., target.com)
Source code released under All Rights Reserved
Download file

Latest version