Methodology

How Madeen Reviews Credit Card Rewards

Last updated: May 18, 2026

Madeen is an iPhone-first credit card rewards optimizer. Our goal is to help readers understand which card may be best for a purchase category, especially when the answer depends on reward rates, caps, annual fees, merchant coding, and the cards a person already carries.

What Madeen Uses As Evidence

Madeen separates issuer-controlled facts from Madeen analysis. Issuer pages, pricing disclosures, rewards terms, and official program pages are the authority for current rates, caps, fees, benefits, eligibility, exclusions, and application terms.

Madeen catalog analysis is used for patterns across cards, such as how many cards have a category rule, how common caps are, or how reward currencies compare. Catalog statistics are supporting analysis, not a replacement for issuer terms.

Source Hierarchy

Madeen articles cite sources in this priority order. We use the strongest source available for any given claim, and add weaker sources only when they add unique evidence the stronger ones do not provide:

  1. Issuer pages for product terms, rates, caps, fees, eligibility, benefits, exclusions, and welcome offers.
  2. Madeen catalog analysis for cross-card patterns, counts, distributions, and category coverage.
  3. Regulators and primary data such as the Consumer Financial Protection Bureau, the Federal Reserve (including the G.19 Consumer Credit release), the New York Fed Household Debt and Credit Report, the Bureau of Labor Statistics Consumer Price Index, the Federal Trade Commission, and the Office of the Comptroller of the Currency.
  4. Research and expert commentary such as Pew Research, Brookings, academic research, and named expert sources.
  5. Other publishers only when they are the unique originating source of a specific fact and no upstream source supplies it.

Each source on a Madeen article carries a sourceType tag (issuer, madeen-analysis, regulator, research, data, expert-commentary, publisher, methodology, legal, or other) so readers and AI systems can see at a glance which kind of evidence supports a claim.

Citation Practices

Madeen does not present affiliate publishers such as NerdWallet, Bankrate, The Points Guy, CardRatings, ValuePenguin, Forbes Advisor, or WalletHub as authority for issuer terms or product rates. When the same fact is available from a regulator, an issuer, or research, Madeen cites the upstream source. Madeen catalog analysis is supporting evidence next to that, not a replacement for it.

For finance-impacting articles, Madeen aims to include at least one Madeen catalog statistic plus at least one external primary-source datum where reasonable, so readers and answer engines can see both the original analysis and the upstream evidence behind it.

How The Card Catalog Works

The Madeen app uses a card catalog built from public card data and normalized reward rules. The catalog includes card names, issuers, reward currencies, estimated cash-value assumptions, category reward rules, fees, benefits, application links when available, and metadata needed to compare cards locally on device.

When articles cite aggregate Madeen counts, they should identify the catalog snapshot date. Those counts can change as issuers update products, providers refresh data, and Madeen improves normalization.

How Madeen Compares Rewards

Cash back is usually compared directly as a percentage. Points and miles require a cash-equivalent assumption so different reward currencies can be compared in one category recommendation. Madeen uses conservative estimated values for this comparison, but those estimates are not promises of redemption value.

For capped categories, activation rules, rotating categories, selected categories, portals, and merchant-code restrictions, Madeen explains the condition rather than treating the headline rate as universal.

Editorial Review

Finance-impacting Madeen articles are published under The Madeen Team byline and reviewed through the Madeen editorial process. Review checks include source quality, issuer-term caveats, recommendation independence, privacy claims, affiliate context, and whether the article gives a useful answer before mentioning the app.

Madeen does not claim readers are approved, prequalified, likely to qualify, or guaranteed to receive any card or offer unless that wording appears in an authorized issuer or partner flow.

Affiliate And Recommendation Independence

Madeen may earn compensation from some card links. Compensation may affect which apply links are available, but it does not control the primary Madeen recommendation loop for cards a user has already added to their wallet.

Owned-card recommendations and card discovery are separate surfaces. Readers should review the affiliate disclosure and the issuer's current terms before applying for a card.

Corrections And Updates

If we find an error, stale issuer term, broken source, or unclear caveat, we update the affected page and change the article's updated or verification date when the change is material. Readers can send corrections or questions to [email protected].

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