Core Insights - Discover credit cards provide valuable rewards with no annual fees, although they may not be widely accepted internationally [1][25] - The Discover it® Cash Back Credit Card is highlighted as the best overall option due to its high rewards rate and benefits [2][4] Summary by Category Card Features - Discover it® Cash Back Credit Card offers a $0 annual fee, a welcome offer that matches all cash back earned in the first year, and a 0% introductory APR for the first 15 months [4][28] - Discover it® Miles Credit Card provides 1.5x miles on every purchase with no minimum spending requirement and a $0 annual fee [8][21] - Discover it® Student Cash Back Credit Card is tailored for students, offering similar benefits to the Cash Back card with a focus on building credit [12][19] Rewards Structure - The Discover it® Cash Back card offers 5% cash back on rotating categories each quarter, up to a maximum of $1,500 in purchases, and 1% on all other purchases [6][23] - The Discover it® Miles card allows for easy earning of miles on all purchases, with a matching offer at the end of the first year [8][22] - The Discover it® Secured Credit Card is designed for those looking to build or rebuild credit, with a $0 annual fee and a similar rewards structure [16][18] Additional Benefits - All Discover cards feature the Unlimited Cashback Match, which matches cash back or miles earned in the first year [21][29] - Discover cards do not charge an annual fee and provide various redemption options, including statement credits and gift cards [34][30] Market Position - Discover is recognized as the 27th largest U.S. bank by consolidated assets as of December 31, 2024, and is set to be acquired by Capital One [26][27]

Core Insights - Discover's cash-back program offers 5% cash back on rotating categories, with Q4 2025 focusing on Amazon.com and drug stores, applicable to the first $1,500 in combined purchases when activated [3][4][47] Group 1: Q4 2025 Cash-Back Categories - Cardholders can earn 5% cash back on purchases made at Amazon.com and drug stores from October 1 to December 31, 2025 [3][4] - The Amazon category includes purchases from Amazon.com, Amazon Fresh, Amazon Local Deals, and Amazon Go stores, but excludes Whole Foods Market [4] - Drug store purchases can include standalone stores and online pharmacies, but not pharmacies located within other retailers like Target or Walmart [5][6] Group 2: Activation and Earning Potential - To earn the 5% cash back, cardholders must activate the offer each quarter, with the potential to earn $75 quarterly or $300 annually by spending the maximum [9][10][44] - The cash-back categories rotate quarterly, providing opportunities to align spending with the promotional categories [13][14] Group 3: Discover Credit Card Features - Discover offers three cash-back credit cards with rotating categories, all featuring the same rewards program [17][18] - The Discover it® Cash Back Credit Card has no annual fee and offers a welcome bonus of matching all cash back earned at the end of the first year [20][21] - The card provides 5% cash back on rotating categories and 1% on all other purchases, with cash back not expiring for the life of the account [22][23]