Marcus and Ally are the two most-shopped online high-yield savings accounts in 2026. Marcus wins on APY (4.40% vs 4.20%). Ally wins on ecosystem (checking + buckets + 24/7 service). The right pick depends on whether you want pure APY or full banking.
Goldman Sachs Bank USA
Best all-around online savings — no fees, no minimums, Goldman backing.
Pros
Ally Bank
Best all-in-one online bank — savings + checking + investing under one roof.
Pros
Pick Marcus by Goldman Sachs Online Savings if: Anyone wanting a simple, well-backed high-yield savings account with zero account-management friction.
Pick Ally Bank Online Savings if: People wanting savings + checking + investing accounts at the same online bank with consistent experience.
Apply at Goldman Sachs Bank USA →Apply at Ally Bank →
Marcus by Goldman Sachs generally posts a slightly higher headline APY than Ally's Online Savings, and neither requires a minimum balance or charges monthly fees. Because online-savings rates move with the Federal Reserve's rate decisions, the gap is small and can shift — check each bank's current published rate before deciding. Both accounts are FDIC-insured up to $250,000 per depositor (fdic.gov).
Ally is a full online bank: it adds a no-fee checking account, a debit card with a large no-fee ATM network, savings 'buckets' for organizing goals, automated 'surprise savings' boosters, and 24/7 phone support. Marcus is savings-and-lending focused — there's no checking account or ATM/debit access, so moving money out requires an external transfer. If you want savings plus everyday banking in one place, Ally; if you only want a clean high-yield parking spot, Marcus.
Neither is built for instant cash access like a checking account. Both rely on ACH transfers to and from a linked external account, which typically take 1–3 business days. Ally's own checking account lets you move savings to spendable funds faster within Ally and use ATMs; Marcus has no debit or ATM access, so withdrawals always route through an external bank. For faster access to your money, Ally's ecosystem has the edge.
Neither Marcus by Goldman Sachs nor Ally Online Savings charges a monthly maintenance fee or requires a minimum balance to open or maintain the account. Both compound interest daily and credit it monthly. Either account can be opened with as little as $1. FDIC insurance covers balances up to $250,000 per depositor at each bank (Goldman Sachs Bank USA for Marcus; Ally Bank for Ally), so a depositor with $500,000 could split the balance between both banks to stay fully insured. Source: FDIC deposit insurance FAQ at fdic.gov.
Yes. There is no rule preventing you from opening high-yield savings accounts at multiple banks simultaneously. Depositors often keep Marcus for its slightly higher APY and Ally for checking or goal-based savings buckets, treating them as complementary tools. The practical consideration is that two separate ACH-linked accounts require two sets of external transfers — slightly more friction. FDIC insurance applies separately at each institution, so keeping up to $250,000 at each bank maintains full coverage.
Both Marcus and Ally offer CDs (certificates of deposit) in addition to high-yield savings. CD rates are typically equal to or higher than the savings APY for terms of 6–24 months when the Fed's rate cycle is stable. Marcus No-Penalty CDs allow early withdrawal after 7 days; Ally High Yield CDs charge an early-withdrawal penalty (60–150 days of interest depending on term). If you can commit funds for 6–24 months, a CD from either issuer can lock in a rate before it drops. Compare current CD and savings rates directly at marcus.com and ally.com — rates update frequently with Fed decisions.
Ally Bank's savings and checking accounts include mobile check deposit via the Ally mobile app. Marcus by Goldman Sachs does not currently offer mobile check deposit on its Online Savings Account — deposits are made via ACH transfer from a linked external bank account or incoming wire. For depositors who regularly receive paper checks, Ally's mobile deposit is a meaningful practical advantage. Source: Ally Bank product features at ally.com; Marcus product features at marcus.com.
Yes, both are FDIC-insured. Marcus by Goldman Sachs is a brand of Goldman Sachs Bank USA, FDIC Member. Ally Bank is also FDIC-insured. FDIC insurance covers up to $250,000 per depositor, per institution, per account ownership category — so a depositor holding $250,000 at Marcus and $250,000 at Ally is fully insured at both, because each is a separate FDIC-insured institution. Joint accounts are insured up to $250,000 per co-owner at each bank. Neither account invests your principal in the market; your deposited balance is not at market risk. Source: FDIC deposit insurance overview at fdic.gov.
Both Marcus and Ally offer joint savings accounts where both account holders can view balances and make transfers. Ally's joint account pairs with a joint checking account under the same login, making it easier to manage shared household finances in one place. Marcus offers a joint savings account but has no checking or debit product to pair it with. FDIC insurance on joint accounts covers up to $250,000 per co-owner per institution — a joint account with two owners has up to $500,000 in FDIC coverage at each bank separately. For couples or partners who want a full joint banking relationship, Ally's ecosystem is broader. Source: FDIC joint account FAQ at fdic.gov.
If either bank were to fail, the FDIC steps in to protect insured deposits up to $250,000 per depositor, per institution, per ownership category. In practice, FDIC-insured bank failures result in depositors being made whole quickly — historically, insured deposits are accessible within a few business days of a bank closing. Marcus is backed by Goldman Sachs Bank USA, one of the largest US financial institutions; Ally Bank is also well-capitalized. For balances above $250,000, spreading funds across multiple FDIC-insured institutions or ownership categories maintains full coverage. Source: FDIC consumer FAQ at fdic.gov.
Independent editorial comparison. ClearValue Lending is not the issuer of any product compared here; affiliate links may pay a referral commission at no cost to you — selection is independent of compensation.