Marcus vs Ally Bank: Best Online Savings Account in 2026?

If you are trying to grow your savings without the low rates offered by traditional banks, Marcus by Goldman Sachs and Ally Bank are two of the most frequently compared options. Both are online-only institutions with high-yield savings accounts, no monthly fees, and strong mobile apps. But they are not identical. This guide compares Marcus vs Ally Bank in 2026 so you can choose the right home for your money.

Marcus vs Ally: Quick Comparison

Feature Marcus by Goldman Sachs Ally Bank
High-yield savings APY Competitive (check current rate) Competitive (check current rate)
Monthly fees None None
Minimum deposit $0 $0
Checking account No Yes
CDs available Yes Yes
ATM access No (savings only) Yes (55,000+ Allpoint ATMs)
Mobile app rating 4.7 App Store 4.7 App Store
FDIC insured Yes Yes
Customer support 24/7 phone 24/7 phone and chat

Savings Account Rates

Both Marcus and Ally offer high-yield savings account rates that are significantly better than the national average at traditional banks. The rates change frequently based on Federal Reserve policy, so always check the current rate before making a decision.

Historically, both banks have stayed within 0.10 to 0.25 percentage points of each other, making the rate difference relatively minor over time. What matters more is choosing one and actually using it, rather than chasing small rate differences between the two.

Both accounts are FDIC insured up to $250,000, which means your money is safe regardless of what happens to the bank.

Winner: Tie (rates fluctuate; check both before opening)

Account Variety

This is where Ally has a significant advantage. Ally Bank is a full-service online bank offering:

  • High-yield savings account
  • Checking account with no monthly fee
  • CDs (including no-penalty CDs)
  • Money market account
  • Auto loans and mortgages
  • Self-directed investing and robo-advisor

Marcus keeps it simpler. It primarily offers:

  • High-yield savings account
  • CDs (including no-penalty CDs)
  • Personal loans

Marcus does not offer a checking account or ATM access. If you want a complete banking relationship with one institution, Ally has everything you need. If you just need a savings account to park cash alongside your existing checking account elsewhere, Marcus is perfectly sufficient.

Winner: Ally for account variety

No-Penalty CDs

Both Marcus and Ally offer no-penalty CDs, which let you lock in a rate but withdraw your money early without paying a fee. This is a valuable feature when interest rates are uncertain.

Marcus was an early innovator with no-penalty CDs and has offered them for years. Ally’s no-penalty CDs are similarly flexible. CD terms and rates vary, so compare both at the time you are ready to open.

Winner: Tie

Checking Account and ATM Access

Marcus does not offer a checking account. This is its biggest practical limitation. If you want to do all your banking with one online institution, Marcus cannot be that institution on its own.

Ally’s checking account is one of the best available from any bank, online or traditional. It has no monthly fee, reimburses up to $10 in out-of-network ATM fees per month, and gives you access to Allpoint’s network of 55,000+ ATMs.

Winner: Ally (Marcus has no checking or ATM access)

Mobile App

Both apps are well-designed and highly rated. Ally’s app does more by necessity because it supports checking, saving, investing, and loan management. Marcus’s app is simpler but clean and reliable.

Ally’s app includes a spending tracker and budgeting tools. Marcus’s app is focused entirely on savings and CD management. Both allow easy transfers, rate monitoring, and account management.

Winner: Ally for feature depth, Marcus for simplicity

Customer Service

Marcus offers 24/7 phone support with no automated menu tree, which is unusual and appreciated. Customers consistently praise the quality and speed of Marcus phone support.

Ally also offers 24/7 phone support and adds live chat, which Marcus lacks. Overall customer satisfaction scores are high for both, but Ally’s chat option gives it a slight edge in accessibility.

Winner: Ally by a small margin (adds chat option)

Transfers and Access to Your Money

Neither Marcus nor Ally has physical branches. Money moves in and out via ACH transfer, which typically takes one to three business days. Both support linking multiple external accounts.

Ally has an advantage here because its checking account can serve as a hub. You can move money between checking and savings instantly within Ally. Marcus requires linking to an external bank for transfers, which adds a day or two of waiting.

Winner: Ally for account holders who use it as a full banking hub

Who Should Choose Marcus?

  • You already have a checking account at another bank and just need a high-yield savings account
  • You want a simple, focused savings experience with excellent customer phone support
  • You are considering CDs and want a no-penalty option
  • You prefer Goldman Sachs backing and brand recognition

Who Should Choose Ally?

  • You want to do all your banking with one online institution
  • You need a checking account with ATM access
  • You want access to investing, auto loans, and other financial products in one place
  • You prefer having both phone and chat customer support options

The Bottom Line

Both Marcus and Ally Bank are excellent choices for high-yield savings in 2026. If all you need is a place to earn a competitive rate on your emergency fund or short-term savings, either will serve you well. The rates are comparable, the fees are zero, and both are FDIC insured.

The real differentiator is breadth. Ally is a full-service online bank that can replace your traditional bank entirely. Marcus is a focused savings product that works best alongside an existing checking account at another institution. Choose based on how much consolidation you want in your financial life.