Customer Loyalty Software powers customer retention by enabling brands to design, run, and manage points-based, tiered, paid (membership), and behavior-driven loyalty programs across web, mobile, and physical retail. Core capabilities include points and tier configuration, rewards catalog and redemption mechanics, referral-program integration, gamification (challenges, badges, streaks), tier-based segmentation, mobile wallet and pass integration, and analytics on loyalty-driven retention and AOV. The market spans eCommerce-flavored loyalty platforms (Smile.io, LoyaltyLion, Yotpo Loyalty, Stamped Loyalty), enterprise customer-loyalty suites (Annex Cloud, Antavo, Open Loyalty), and retail-and-CPG-focused platforms (Punchh, Paytronix, Como, Five Stars).