{"success":true,"comparison":"capital-one-spark-cash-plus-vs-discover-it-cash-back","summary":{"updatedAt":"2026-06-17T02:17:51.149Z","pageUrl":"https://cardcurator.ai/compare/capital-one-spark-cash-plus-vs-discover-it-cash-back","jsonUrl":"https://cardcurator.ai/api/public/compare/capital-one-spark-cash-plus-vs-discover-it-cash-back/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","shareTitle":"Capital One Spark Cash Plus vs Discover it Cash Back","shareText":"The Discover it Cash Back edges out the Capital One Spark Cash Plus for most cardholders — it wins on 2 of 4 comparison categories and offers $100 signup bonus. On raw upside, Discover it Cash Back tops out at 5x versus 5x for Capital One Spark Cash Plus. Current signup bonus values are roughly $0 for Capital One Spark Cash Plus and $2 for Discover it Cash Back. Updated June 17, 2026. Source: https://cardcurator.ai/compare/capital-one-spark-cash-plus-vs-discover-it-cash-back","evidenceBullets":["Discover it Cash Back wins 2 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: Discover it Cash Back reaches 5x; Capital One Spark Cash Plus reaches 5x.","Annual fee: Discover it Cash Back is no annual fee; Capital One Spark Cash Plus is $150/yr.","Current public bonus values are approximately $0 and $2."],"winner":{"name":"Discover it Cash Back","slug":"discover-it-cash-back","score":2,"maxEarnRate":5,"annualFee":0},"loser":{"name":"Capital One Spark Cash Plus","slug":"capital-one-spark-cash-plus","score":1,"maxEarnRate":5,"annualFee":150}}}