Bank of America Customized Cash vs. Unlimited Cash: Which Card Fits You?

Before the differences, the foundation: both cards come from Bank of America — an FDIC-insured institution founded in 1904, headquartered in Charlotte, NC, with a BBB A+ rating and one of the largest branch and ATM networks in the country. Neither card charges an annual fee. Both earn cashback on every purchase. Both are managed through Bank of America's mobile app and online banking platform, and both carry the same core account features: real-time alerts, fraud protection, and virtual card numbers for online purchases.

Both cards are also eligible for Bank of America's Preferred Rewards program — a loyalty structure that boosts cashback earnings based on total assets held at Bank of America and Merrill. That shared eligibility is significant, and it's covered in its own section below.

The reason this comparison exists: two cards, same issuer, similar positioning, different earning mechanics. People researching one frequently encounter the other and need a side-by-side. The cards are not interchangeable — the right one depends entirely on how you spend, not on which sounds better in a headline.

This is where the two cards diverge — and where the decision gets made.

Customized Cash Rewards: the choice card

Customized Cash earns 3% back in one category you select each month. The eligible categories are: gas and EV charging stations, online shopping, dining, travel, drug stores, and home improvement and furnishings. You also earn 2% at grocery stores and wholesale clubs, and 1% on everything else.

The category is yours to change — once per calendar month. If your spending shifts from dining to online shopping, you can update the selection. If you don't change it, the previous selection carries over automatically.

One important structural detail: the 3% and 2% rates apply to the first $2,500 in combined spending across your chosen category and grocery/wholesale purchases per quarter. Spending above that threshold earns 1%. For most cardholders spending within typical ranges, this cap is unlikely to be a meaningful constraint — but it is worth knowing, particularly for households with heavy concentrated spending.

Unlimited Cash Rewards: the flat-rate card

Unlimited Cash earns 1.5% on every purchase. No categories to choose. No caps on the elevated rate. No monthly management required. Every dollar spent — at the grocery store, gas station, online retailer, or anywhere else — earns the same rate.

The simplicity is the feature. There is nothing to track, nothing to optimize, and nothing to forget. The card earns the same rate whether you use it once a week or ten times a day.

The $2,500 cap: what it means in practice

Customized Cash's elevated rates are capped at $2,500 in combined quarterly spending across the chosen 3% category and the 2% grocery/wholesale category. Above that threshold, those purchases earn 1% — the same as Unlimited Cash's base rate on everything.

A cardholder spending $833 per month in their chosen category hits the cap at the end of the quarter. For a commuter spending $200 per month on gas, the cap is unlikely to come into play. For a household doing the majority of its grocery and specialty shopping on one card, it is worth doing the math. High spenders in a single category may find Unlimited Cash more predictable once spending climbs above the quarterly ceiling.

Preferred Rewards is Bank of America's loyalty program. It ties cashback bonuses on eligible credit cards to the total assets a customer holds across Bank of America deposit accounts and Merrill investment accounts. The tiers work as follows:

• Gold (three-month combined balance of $20,000 or more): 25% cashback bonus
• Platinum ($50,000 or more): 50% cashback bonus
• Platinum Honors ($100,000 or more): 75% cashback bonus
• Diamond and Diamond Honors ($1 million and $10 million or more, respectively): 75% cashback bonus

Both cards benefit equally from the program. Because the bonus is applied as a percentage on top of what the card already earns, the card that earns more at base rates earns more at boosted rates. At Platinum Honors status, Customized Cash's 3% category rate becomes effectively 5.25%. The 2% grocery rate becomes effectively 3.5%. Unlimited Cash's 1.5% flat rate becomes effectively 2.625%.

The card that earns more at base rates earns more at boosted rates.

Preferred Rewards matters most for customers who already bank with Bank of America or invest through Merrill — or who are building toward those balances. For customers without significant assets at Bank of America or Merrill, the base rates are the relevant comparison. The program does not require any action on the credit card itself; eligibility is determined by account balances, and the bonus applies automatically to qualifying purchases.

The two cards are structurally identical on fees. Both carry no annual fee. Both charge a 3% foreign transaction fee — neither card is designed for international travel. Both offer an introductory APR period on purchases; the specific terms change periodically and are best confirmed at the time of application.

Cashback on both cards is earned as rewards points, where one point equals one cent in cash value. Redemption options are the same: statement credit, deposit into a Bank of America checking or savings account, or contribution to a Merrill investment account. There is no redemption minimum for statement credit (confirm current terms at application). Rewards do not expire as long as the account is open and in good standing.

One practical note on redemption: depositing rewards into a Bank of America or Merrill account counts toward Preferred Rewards balance calculations for some account types — a small reinforcing loop for customers already building toward a tier.

What neither card is built for

• Frequent international travelers: the 3% foreign transaction fee makes both cards expensive outside the US
• Travel rewards seekers: both cards earn only cashback — there are no points transfer partners, no airline miles, no hotel currencies
• Premium perks: neither card includes lounge access, travel credits, or concierge services