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High-Yield Savings Account Comparison

Ally Bank vs. Newtek Bank

Ally Bank's Savings Account pays 3.00% APY while Newtek Bank's Personal High Yield Savings pays 4.20% APY.

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

Analysis by Aviel Fahl
Updated August 21, 2026

The Bottom Line

Who pays more interest on $10,000? Newtek Bank pays $120 more than Ally Bank annually ($420 vs $300).

Choose Ally Bank if you want Zelle for quick transfers. Choose Newtek Bank if getting the best rate matters most.

Comparison of Ally Bank vs Newtek Bank savings accounts
Metric

Ally Bank

Savings Account

Aug 21, 2026

Newtek Bank

Personal High Yield Savings

Aug 21, 2026
APY3.00%4.20%
Est. Earnings
$5,000+$150
$10,000+$300
$25,000+$750
$5,000+$210
$10,000+$420
$25,000+$1,050
Min Deposit
$0$100

Snapshot view. Rates subject to change.

Terms
-Newtek Bank has paused new applications for this account. New customers can only join a waitlist. The advertised APY applies to existing accounts.
Features
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® SupportedDaily CompoundingRate Changes Often
FDIC InsuredLow MinimumsGreat iOS AppGreat Android AppDaily CompoundingStable Rate

Prefer In-Person Banking?

Both of these institutions are online-only. If you need in-branch access, check out our list of savings accounts with brick-and-mortar locations.

Find In-Branch Access

Comparison Analysis

Comparing Ally Bank vs. Newtek Bank

Updated: Invalid Date

Executive Summary

A detailed summary for this comparison is being prepared. Check back soon.

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?

  • Fast transfers via Zelle® (up to $5,000 a day)

Why Newtek Bank?

  • Higher potential APY (4.20% vs 3.00%) on all balances

Key Feature Differences

Better Returns at $10,000
Newtek Bank

Newtek Bank's Personal High Yield Savings earns more on smaller deposits (approx. $420 vs $300/yr).

Better Returns at $25,000
Newtek Bank

Newtek Bank's Personal High Yield Savings pulls ahead with larger amounts (approx. $1050 vs $750/yr).

Best for Simplicity
Newtek Bank

Newtek Bank's Personal High Yield Savings offers 4.20% APY with no bundling, direct deposit requirement or caps.

Best Mobile App Experience
Ally Bank

Ally Bank offers an iOS app rated 4.7 (vs. 4.5) and Android app rated 4.4 (vs. 4.1)

Shared Benefits

Both offer monthly maintenance-free account options Available Nationwide Available to New & Existing Customers
The Bottom Line on APY (Interest Only)

Over a 1-year period, Newtek Bank's Personal High Yield Savings pays $120 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 BankNewtek Bank
Verify At
Ally Bank

Non-sponsored link to official site

Verify At
Newtek Bank

Non-sponsored link to official site

Top Market Contenders

Marcus by Goldman Sachs
3.40% APY

Ally Bank vs. Newtek Bank Savings Calculator

Calculations based on current APY for Savings Account and Personal High Yield Savings
$
$

You earn $120 more with Newtek Bank than Ally Bank on a $10,000 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

3.00% APY

Savings Breakdown

  • Interest Earned
    +$300.00(2.9%)
  • Total Contributions
    $0
  • Initial Deposit
    $10,000

Projected Balance

$10,300.00

Effective APY
3.00%

Newtek Bank

Personal High Yield Savings

4.20% APY

Savings Breakdown

  • Interest Earned
    +$420.00(4.0%)
  • Total Contributions
    $0
  • Initial Deposit
    $10,000

Projected Balance

$10,420.00

Effective APY
4.20%

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

Still banking with Chase, Bank of America, or Wells Fargo?

On a $10,000 balance, you're missing out on at least $299 per year in interest.

Both Ally Bank and Newtek Bank dramatically outperform the typical 0.01% APY at traditional big banks.

Big banks currently pay 0.01% APY on savings vs 3.00%+ here
See Top Rates
FeatureAlly BankNewtek Bank
APY
3.00%
Verified: 8/21/2026
-
4.20%
Verified: 8/21/2026
-
Product NameSavings AccountPersonal High Yield Savings
Minimum Deposit$0$100
Min. Balance for APY$0$0.01
Monthly Fee$0$0
Compound FrequencyDailyDaily
In-Branch AccessNoNo
Account Type
Online Only
Online Only
Physical BranchesN/ANone
Direct Deposit Req.NoneNone
Checking BundleNoNo
Mobile Apps
iOS4.7
Android4.4
iOS4.5
Android4.1
FDIC or NCUA Insured
Zelle® Support
Available
Limit: $5,000/dayBenchmark for online Zelle; high limits.
Not Supported
BBB RatingA+A+
Important Notes-Newtek Bank has paused new applications for this account. New customers can only join a waitlist. The advertised APY applies to existing accounts.
Next Steps
Visit Site

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📈 Compare Savings Rates Over Time

Historical Performance

Last 12 Months Analysis
MetricAlly BankNewtek Bank
Savings AccountPersonal High Yield Savings
Current APY
3.00%4.20%
Trend
Stable Stable
Velocity (bps/mo)
-4.7-0.5
Days Since Change
79197
12-Month High
3.50%4.35%
12-Month Low
3.00%4.20%
Adjustments / Mo
0.410.08
Volatility Score
0.0270.004
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 363-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 3.00% with other banks
Compare Newtek Bank's APY of 4.20% with other banks