High-Yield Savings Account Comparison

Ally Bank vs. MutualOne Bank

Comparing Ally Bank and MutualOne Bank for high-yield savings: Ally Bank's Savings Account pays 3.20% APY while MutualOne Bank's Mo Premium Savings pays 4.07% APY.

See how they compare on rate stability, mobile app ratings, and more below.

Analysis by Aviel Fahl
Updated February 21, 2026

The Bottom Line

Who pays more interest on $10,000? Ally Bank pays $320 more than MutualOne Bank annually ($320 vs $0).

Choose Ally Bank if getting the best rate matters most. Choose MutualOne Bank if you value in-person banking.

Comparison of Ally Bank vs MutualOne Bank savings accounts
Metric

Ally Bank

Savings Account

Feb 21, 2026

MutualOne Bank

Mo Premium Savings

Feb 21, 2026
APY3.20%4.07%
Est. Earnings
$5,000+$160
$10,000+$320
$25,000+$800
$5,000+$0
$10,000+$0
$25,000+$1,018
Min Deposit
$0$20,000

Snapshot view. Rates subject to change.

Features
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® SupportedDaily CompoundingRate Changes Often
FDIC InsuredHigh MinimumGreat iOS AppGreat Android AppIn-Person AccessZelle® SupportedStable Rate

Comparison Analysis

Comparing Ally Bank vs. MutualOne Bank

Updated: Feb 21, 2026

Executive Summary

MutualOne Bank's Mo Premium Savings account stands out with a competitive APY of 4.07%, making it the top choice for savers looking to maximize their returns, especially on larger deposits of $25,000 or more. In contrast, Ally Bank offers a Savings Account with a lower APY of 3.20%, which can be appealing for smaller deposits, as it requires no minimum balance and has no fees. Both accounts do not require direct deposit, but MutualOne's product has a minimum deposit requirement of $20,000, while Ally's has none. Both banks provide online-only services and are FDIC insured.

The analysis is based on current Banksparency database records

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

Why Ally Bank?

No distinct advantages found vs MutualOne Bank.

Why MutualOne Bank?

  • Higher potential APY (4.07% vs 3.20%)
  • Physical branch access (Full-service banking offices in Framingham, MA, and Natick, MA)

— Key Feature Differences —

Better Returns at $10,000
Ally Bank

Ally Bank's Savings Account earns more on smaller deposits (approx. $320 vs $0/yr).

Better Returns at $25,000
MutualOne Bank

MutualOne Bank's Mo Premium Savings pulls ahead with larger amounts (approx. $1018 vs $800/yr).

Best for Simplicity
MutualOne Bank

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

Shared Benefits

Both offer monthly maintenance-free account options 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 $87 more interest on a $10,000 balance than Ally Bank's Savings Account.

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

Ally BankMutualOne Bank
Verify At
Ally Bank

Non-sponsored link to official site

Verify At
MutualOne Bank

Non-sponsored link to official site

Top Market Contenders

American Express
3.30% APY
Synchrony Bank
3.50% APY

Ally Bank vs. MutualOne Bank Savings Calculator

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

You earn $174 more with MutualOne Bank than Ally 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.

Ally Bank

Savings Account

3.20% APY

Savings Breakdown

  • Interest Earned
    +$640.00(3.1%)
  • Total Contributions
    $0
  • Initial Deposit
    $20,000

Projected Balance

$20,640.00

Effective APY
3.20%

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%

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

FeatureAlly BankMutualOne Bank
APY
3.20%
Verified: 2/21/2026
↘︎ 0.10%90d Change
4.07%
Verified: 2/21/2026
Stable (90d)
Product NameSavings AccountMo Premium Savings
Minimum Deposit$0$20,000
Min. Balance for APY$0$20,000
Monthly Fee$0$0
Compound FrequencyDailyMonthly
Branch AccessNoneYes
Account Type
Online Only
Online & Branches
Physical BranchesN/AFull-service banking offices in Framingham, MA, and Natick, MA
Direct Deposit Req.NoneNone
Checking BundleNoNo
Mobile Apps
iOS4.7
Android4.4
iOS4.9
Android4.4
FDIC Insured
Zelle® Support
Available
Limit: $5,000/dayBenchmark for online Zelle; high limits.
Available
Verified via website and app descriptions.
BBB RatingA+A+
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 5 Months Analysis
MetricAlly BankMutualOne Bank
Savings AccountOnline SavingsMo Premium Savings
Current APY
3.20%0.40%4.07%
Trend
Stable Stable Stable
Velocity (bps/mo)
-3.00.0-0.0
Days Since Change
1162162
5-Month High
3.50%0.40%4.07%
5-Month Low
3.20%0.40%4.07%
Adjustments / Mo
0.560.000.00
Volatility Score
0.0180.0000.000
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 162-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 Ally Bank's APY of 3.20% with other banks
Bank PairCompetitor APYMin Deposit
Ally Bank vs Affirm3.20%$0
Ally Bank vs American Express3.30%$0
Ally Bank vs Axos Bank4.21%$0
Ally Bank vs Bank of America0.01%$100
Ally Bank vs Barclays3.85%$0
Ally Bank vs Bask Bank0.25%$0
Ally Bank vs Betterment3.90%$10
Ally Bank vs BMO Alto3.15%$0
Ally Bank vs Bread Savings4.00%$100
Ally Bank vs BrioDirect3.75%$5,000
Ally Bank vs Capital One3.30%$0
Ally Bank vs Carver Bank4.00%$5,000
Ally Bank vs Charles Schwab Bank0.15%$0
Ally Bank vs Chase Bank0.01%$0
Ally Bank vs Chime3.00%$0
Ally Bank vs CIT Bank3.75%$100
Ally Bank vs Citibank3.20%$0
Ally Bank vs Citizens Access™3.15%$0.01
Ally Bank vs Climate First Bank4.21%$50
Ally Bank vs Colorado Federal Savings Bank4.05%$50,000
Ally Bank vs Discover Bank3.30%$0
Ally Bank vs E*TRADE from Morgan Stanley3.35%$0
Ally Bank vs Elevault3.82%$0
Ally Bank vs EverBank3.90%$0
Ally Bank vs Fitness Bank4.50%$100
Ally Bank vs FNBO Direct3.00%$1
Ally Bank vs Forbright Bank3.85%$0
Ally Bank vs FVCbank4.00%$500
Ally Bank vs GO2bank4.50%$0
Ally Bank vs Ivy Bank3.85%$2,500
Ally Bank vs Jenius Bank4.05%$0
Ally Bank vs LendingClub4.00%$0
Ally Bank vs Marcus by Goldman Sachs3.65%$0
Ally Bank vs My Banking Direct4.02%$500
Ally Bank vs Neighbors Bank4.20%$0
Ally Bank vs Newtek Bank4.20%$0.01
Ally Bank vs Openbank4.09%$500
Ally Bank vs Peak Bank4.02%$100
Ally Bank vs Pibank4.60%$0
Ally Bank vs PNC3.30%$0
Ally Bank vs Popular Direct3.90%$100
Ally Bank vs Presidential Bank3.75%$5,000
Ally Bank vs Quontic Bank3.50%$100
Ally Bank vs Salem Five Direct3.61%$10
Ally Bank vs Sallie Mae Bank3.85%$0
Ally Bank vs Santander Bank0.01%$25
Ally Bank vs SoFi Bank4.00%$0
Ally Bank vs Synchrony Bank3.50%$0
Ally Bank vs TD Bank2.36%$0
Ally Bank vs TIMBR4.15%$1,000
Ally Bank vs UFB Direct3.46%$5000
Ally Bank vs Upgrade3.05%$0
Ally Bank vs Valley Direct4.00%$1,000
Ally Bank vs Varo Bank5.00%$0
Ally Bank vs Vio Bank4.03%$100
Ally Bank vs Wealthfront3.95%$0
Ally Bank vs Wells Fargo0.05%$25
Ally Bank vs Zynlo Bank3.85%$10
Compare MutualOne Bank's APY of 4.07% with other banks