High-Yield Savings Account Comparison

MutualOne Bank vs. Santander Bank

Compare rates, requirements, and features side-by-side to find the best option for you.

Analysis by Aviel Fahl
Updated January 7, 2026
Comparison of MutualOne Bank vs Santander Bank savings accounts
Metric

MutualOne Bank

Mo Premium Savings

Jan 7, 2026

Santander Bank

Santander Savings

Jan 7, 2026
APY4.07%0.01%
Est. Earnings
$5,000+$0
$10,000+$0
$25,000+$1,018
$5,000+$1
$10,000+$1
$25,000+$3
Min Deposit
$20,000$25

Snapshot view. Rates subject to change.

Features
FDIC InsuredHigh MinimumGreat iOS AppGreat Android AppIn-Person AccessZelle® Supported
FDIC InsuredLow MinimumsGreat iOS AppGreat Android AppIn-Person AccessZelle® Supported

Market Reality Check

Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.21% APY.

See Top Rates

Comparison Analysis

Comparing MutualOne Bank vs. Santander Bank

Updated: Jan 7, 2026

As of MutualOne Bank offers an APY of 4.07% for its Mo Premium Savings account, with a minimum balance of $20,000, compared to Santander Bank's 0.01% APY for its Santander Savings account, with a minimum balance of $0.

MutualOne Bank pays $406 more than Santander Bank on a $10,000 balance after one year. MutualOne Bank pays $407, while Santander Bank pays $1 - an APY advantage for MutualOne Bank.

In addition, MutualOne Bank also offers 0.40% APY for the Online Savings account, with a minimum balance of 0.

Why MutualOne Bank?

  • Higher potential APY (4.07% vs 0.01%)
  • No checking account or direct deposit required
  • Higher rated Android app (4.4 vs 4.0)

Why Santander Bank?

No distinct advantages found vs MutualOne Bank.

— Key Feature Differences —

Better Returns at $25,000
MutualOne Bank

MutualOne Bank's Mo Premium Savings pulls ahead with larger amounts (approx. $1018 vs $3/yr).

Best for Simplicity
MutualOne Bank

MutualOne Bank's Mo Premium Savings offers 4.07% APY with no bundling, direct deposit requirement or caps.

Best Mobile App Experience
MutualOne Bank

MutualOne Bank offers an iOS app rated 4.9 (vs. 4.8) and Android app rated 4.4 (vs. 4.0)

Shared Benefits

Fast transfers via Zelle® Available Nationwide Available to New & Existing Customers
The Bottom Line on APY (Interest Only)

Over a 1-year period, MutualOne Bank's Mo Premium Savings pays $406 more interest on a $10,000 balance than Santander Bank's Santander Savings.

*This calculation assumes current rates remain consistent for 1 year and does not include temporary bonuses.

Santander BankMutualOne Bank

Executive Summary as of

MutualOne Bank offers a standout savings product, the Mo Premium Savings, with a competitive APY of 4.07%, significantly outperforming Santander Bank's Santander Savings, which has a minimal APY of 0.01%. The Mo Premium Savings requires a minimum deposit of $20,000 but has no maintenance fees or direct deposit requirements, making it an attractive option for those looking to maximize returns. In contrast, Santander's offering has a low minimum deposit of $25 but incurs a maintenance fee of $1. Overall, MutualOne Bank is the clear winner in terms of interest rates.

The analysis is based on current Banksparency database records

* This content is provided for informational purposes only; always verify details with the provider.

Verify At
MutualOne Bank

Non-sponsored link to official site

Verify At
Santander Bank

Non-sponsored link to official site

Top Market Contenders

MutualOne Bank vs. Santander Bank Savings Calculator

Calculations based on current APY for Mo Premium Savings and Santander Savings
$
$

You earn $812 more with MutualOne Bank than Santander Bank on a $20,000 initial deposit for 1 year*.

*This calculation assumes that APYs remain unchanged for 1 year, and takes into account known promo rate periods, but does not factor in bonuses. You can see how often these banks have changed their rates in the Compare Savings Rates Over Time section below.

MutualOne Bank

Mo Premium Savings

4.07% APY

Savings Breakdown

  • Interest Earned
    +$814.00(3.9%)
  • Total Contributions
    $0
  • Initial Deposit
    $20,000

Projected Balance

$20,814.00

Effective APY
4.07%

Santander Bank

Santander Savings

0.01% APY

Savings Breakdown

  • Interest Earned
    +$2.00(0.0%)
  • Total Contributions
    $0
  • Initial Deposit
    $20,000

Projected Balance

$20,002.00

Effective APY
0.01%

The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.

FeatureMutualOne BankSantander Bank
APY
4.07%
Verified: 1/7/2026
Stable (90d)
0.01%
Verified: 1/7/2026
Stable (90d)
Product NameMo Premium SavingsSantander Savings
Minimum Deposit$20,000$25
Min. Balance for APY$20,000$0
Monthly Fee$0$1
Branch AccessYesYes
Account Type
Online & Branches
Online & Branches
Direct Deposit Req.NoneNone
Checking BundleNoNo
Mobile Apps
iOS4.9
Android4.4
iOS4.8
Android4.0
Zelle® Support
Available
Verified via website and app descriptions.
Available
Branch-based retail accounts only.
BBB RatingA+Not Rated
Next Steps
Visit Site

Non-sponsored link to official site

Visit Site

Non-sponsored link to official site

📈 Compare Savings Rates Over Time

Historical Performance

Last 4 Months Analysis
MetricMutualOne BankSantander Bank
Online SavingsMo Premium SavingsSantander Savings
Current APY
0.40%4.07%0.01%
Trend
Stable Stable Stable
Velocity (bps/mo)
0.0-0.0-0.1
Days Since Change
114114110
4-Month High
0.40%4.07%0.03%
4-Month Low
0.40%4.07%0.01%
Adjustments / Mo
0.000.000.26
Volatility Score
0.0000.0000.357
How to read these metrics(Click to expand)

Trends & Velocity

  • Trend: The general direction of the rate over the analyzed period. Useful for spotting if a bank is currently aggressive or pulling back.
  • Velocity (bps/mo): Speed of change. A high positive number means they raise rates quickly. 10 bps = 0.10%.
  • Adjustments/Mo: "Twitchiness." High frequency means the rate changes constantly; low frequency means it's stable.

Risk & Range

  • High/Low: The absolute ceiling and floor of the rate during the 117-day window.
  • Volatility Score: Lower is better for predictability. It indicates how wildly the rate swings relative to its average.
  • Days Since Change: If this number is high (e.g., >90), the rate is very sticky. If low, it changed recently.

More Comparisons

Compare MutualOne Bank's APY of 4.07% with other banks
Bank PairCompetitor APYMin Deposit
MutualOne Bank vs Affirm3.20%$0
MutualOne Bank vs Ally Bank3.30%$0
MutualOne Bank vs American Express3.30%$0
MutualOne Bank vs Axos Bank4.31%$0
MutualOne Bank vs Bank of America0.01%$100
MutualOne Bank vs Barclays4.00%$0
MutualOne Bank vs Bask Bank3.75%$0
MutualOne Bank vs Betterment3.25%$10
MutualOne Bank vs BMO Alto3.25%$0
MutualOne Bank vs Bread Savings4.05%$100
MutualOne Bank vs BrioDirect3.75%$5,000
MutualOne Bank vs Capital One3.40%$0
MutualOne Bank vs Carver Bank4.00%$5,000
MutualOne Bank vs Charles Schwab Bank0.15%$0
MutualOne Bank vs Chase Bank0.01%$0
MutualOne Bank vs Chime3.50%$0
MutualOne Bank vs CIT Bank3.75%$100
MutualOne Bank vs Citibank3.30%$0
MutualOne Bank vs Citizens Access™3.15%$0.01
MutualOne Bank vs Climate First Bank4.21%$50
MutualOne Bank vs Colorado Federal Savings Bank4.05%$50,000
MutualOne Bank vs Discover Bank3.40%$0
MutualOne Bank vs E*TRADE from Morgan Stanley3.50%$0
MutualOne Bank vs Elevault3.82%$0
MutualOne Bank vs EverBank3.90%$0
MutualOne Bank vs Fitness Bank4.75%$100
MutualOne Bank vs FNBO Direct3.00%$1
MutualOne Bank vs Forbright Bank4.00%$0
MutualOne Bank vs FVCbank3.85%$500
MutualOne Bank vs GO2bank4.50%$0
MutualOne Bank vs Ivy Bank4.10%$2,500
MutualOne Bank vs Jenius Bank4.05%$0
MutualOne Bank vs LendingClub4.00%$0
MutualOne Bank vs Marcus by Goldman Sachs3.65%$0
MutualOne Bank vs My Banking Direct4.02%$500
MutualOne Bank vs Neighbors Bank4.30%$0
MutualOne Bank vs Newtek Bank4.35%$0.01
MutualOne Bank vs Openbank4.20%$500
MutualOne Bank vs Peak Bank3.99%$100
MutualOne Bank vs Pibank4.60%$0
MutualOne Bank vs PNC3.30%$0
MutualOne Bank vs Popular Direct3.90%$100
MutualOne Bank vs Presidential Bank3.75%$5,000
MutualOne Bank vs Quontic Bank3.50%$100
MutualOne Bank vs Salem Five Direct3.61%$10
MutualOne Bank vs Sallie Mae Bank3.90%$0
MutualOne Bank vs SoFi Bank4.00%$0
MutualOne Bank vs Synchrony Bank3.65%$0
MutualOne Bank vs TD Bank2.60%$0
MutualOne Bank vs TIMBR4.40%$1,000
MutualOne Bank vs UFB Direct3.46%$5000
MutualOne Bank vs Upgrade3.05%$0
MutualOne Bank vs Valley Direct4.00%$1,000
MutualOne Bank vs Varo Bank5.00%$0
MutualOne Bank vs Vio Bank4.09%$100
MutualOne Bank vs Wealthfront3.90%$0
MutualOne Bank vs Wells Fargo0.05%$25
MutualOne Bank vs Zynlo Bank3.85%$10
Compare Santander Bank's APY of 0.01% with other banks
Bank PairCompetitor APYMin Deposit
Santander Bank vs Affirm3.20%$0
Santander Bank vs Ally Bank3.30%$0
Santander Bank vs American Express3.30%$0
Santander Bank vs Axos Bank4.31%$0
Santander Bank vs Bank of America0.01%$100
Santander Bank vs Barclays4.00%$0
Santander Bank vs Bask Bank3.75%$0
Santander Bank vs Betterment3.25%$10
Santander Bank vs BMO Alto3.25%$0
Santander Bank vs Bread Savings4.05%$100
Santander Bank vs BrioDirect3.75%$5,000
Santander Bank vs Capital One3.40%$0
Santander Bank vs Carver Bank4.00%$5,000
Santander Bank vs Charles Schwab Bank0.15%$0
Santander Bank vs Chase Bank0.01%$0
Santander Bank vs Chime3.50%$0
Santander Bank vs CIT Bank3.75%$100
Santander Bank vs Citibank3.30%$0
Santander Bank vs Citizens Access™3.15%$0.01
Santander Bank vs Climate First Bank4.21%$50
Santander Bank vs Colorado Federal Savings Bank4.05%$50,000
Santander Bank vs Discover Bank3.40%$0
Santander Bank vs E*TRADE from Morgan Stanley3.50%$0
Santander Bank vs Elevault3.82%$0
Santander Bank vs EverBank3.90%$0
Santander Bank vs Fitness Bank4.75%$100
Santander Bank vs FNBO Direct3.00%$1
Santander Bank vs Forbright Bank4.00%$0
Santander Bank vs FVCbank3.85%$500
Santander Bank vs GO2bank4.50%$0
Santander Bank vs Ivy Bank4.10%$2,500
Santander Bank vs Jenius Bank4.05%$0
Santander Bank vs LendingClub4.00%$0
Santander Bank vs Marcus by Goldman Sachs3.65%$0
Santander Bank vs My Banking Direct4.02%$500
Santander Bank vs Neighbors Bank4.30%$0
Santander Bank vs Newtek Bank4.35%$0.01
Santander Bank vs Openbank4.20%$500
Santander Bank vs Peak Bank3.99%$100
Santander Bank vs Pibank4.60%$0
Santander Bank vs PNC3.30%$0
Santander Bank vs Popular Direct3.90%$100
Santander Bank vs Presidential Bank3.75%$5,000
Santander Bank vs Quontic Bank3.50%$100
Santander Bank vs Salem Five Direct3.61%$10
Santander Bank vs Sallie Mae Bank3.90%$0
Santander Bank vs SoFi Bank4.00%$0
Santander Bank vs Synchrony Bank3.65%$0
Santander Bank vs TD Bank2.60%$0
Santander Bank vs TIMBR4.40%$1,000
Santander Bank vs UFB Direct3.46%$5000
Santander Bank vs Upgrade3.05%$0
Santander Bank vs Valley Direct4.00%$1,000
Santander Bank vs Varo Bank5.00%$0
Santander Bank vs Vio Bank4.09%$100
Santander Bank vs Wealthfront3.90%$0
Santander Bank vs Wells Fargo0.05%$25
Santander Bank vs Zynlo Bank3.85%$10