Rakuten positions itself as a straightforward cash back portal that bridges online shopping and real savings. The service operates by partnering with retailers who pay commissions for referred sales, sharing a portion back with users. This established model has been operating for over a decade, giving it considerable retailer relationships that newer competitors struggle to match. The app serves as the mobile gateway to this ecosystem, complementing the desktop browser extension experience. Core functionality centers around browsing activated offers or searching for specific stores before making purchases. When users shop through Rakuten's links, the system tracks qualifying purchases and accrues cash back in their account. Quarterly payouts occur via PayPal or paper check, creating a predictable savings cycle. The 'Cash Back Button' browser extension provides perhaps the most practical feature, automatically alerting users when they're on a partnered site and ensuring they don't miss eligible purchases. In-store cash back requires linking payment cards, then physically shopping at participating locations where the system matches transactions. Real-world usage reveals an app that functions best when incorporated into pre-purchase routines. Savvy shoppers develop the habit of checking Rakuten before completing any online cart, similar to consulting coupon sites. The interface organizes retailers by percentage back, with special 'double cash back' promotions highlighted for urgency. During holiday seasons or major sales events, these percentages frequently increase, creating optimal timing for larger purchases. The app's search function proves particularly useful for confirming whether specific niche retailers participate in the program. User feedback consistently praises the reliability of payments and breadth of retail partners. Reviews indicate satisfaction with the quarterly payout system, though some newer users express impatience with the waiting period between earning and receiving funds. The browser extension receives particular appreciation for preventing missed cash back opportunities, though occasional users report instances where tracking failed for technical reasons. Support responsiveness receives mixed comments, with resolution times varying depending on transaction complexity. The overall assessment finds Rakuten delivers on its core promise of providing accessible cash back with minimal user effort. The main limitation involves the delayed gratification of quarterly payments rather than immediate discounts. Occasional tracking issues require manual claim submissions, creating minor friction. However, for consistent online shoppers, the accumulated savings typically justify the minimal engagement required, making it a practical financial tool rather than a revolutionary shopping experience.