Ally Bank vs Newtek Bank
High-Yield Savings Accounts Comparison

Last Updated: September 5, 2025

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Summary of Ally Bank vs. Newtek Bank

As of September 5, 2025 Ally Bank offers an APY of 3.50% for its Savings Account, with a minimum balance of $0, compared to Newtek Bank's 4.35% APY for its Personal High Yield Savings account, with a minimum balance of $0.01.

Newtek Bank yields $85 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $350, while Newtek Bank pays $435 - an APY advantage for Newtek Bank.

Ally Bank

Strengths

  • Ally Bank has a solid App Store rating of 4.7.
  • No minimum balance requirement for the Savings Account.
  • No maintenance fees for the Savings Account.

Potential Drawbacks

  • Ally Bank's APY is lower than Newtek Bank's at 3.50%.
  • Ally Bank has no branches available.

Newtek Bank

Strengths

  • Newtek Bank offers a higher APY of 4.35%.
  • Newtek Bank has no minimum deposit requirement for its Personal High Yield Savings.

Potential Drawbacks

  • Newtek Bank has a lower App Store rating of 4.5.
  • Newtek Bank has no branches available.
Summary: Ally Bank's Savings Account offers a 3.50% APY and a higher App Store rating of 4.7, but lacks branches. In contrast, Newtek Bank provides a more attractive 4.35% APY with no minimum deposit, though it has a slightly lower App Store rating of 4.5 and also no branches. Both banks have no maintenance fees and no minimum balance requirements.

Compare Ally Bank's vs Newtek Bank's Savings Accounts

Ally BankNewtek Bank
ProductSavings AccountvsPersonal High Yield Savings
APY
3.50% (as of 9/5/2025)4.35% (as of 9/5/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyYesYes
Compound Frequency
DailyDaily
Minimum Deposit$0$0
Minimum Balance for APY$0$0.01
Maintenance Fee$0$0
Direct Deposit Required
NoNo
App Store Rating4.7/54.5/5
Google Play Rating4.4/54.2/5
BBB RatingA+A+

Comparative Historical APY Insights (Last 7 Months)

Ally BankNewtek Bank
ProductSavings AccountvsPersonal High Yield Savings
Latest APY3.50 %4.35 %
TrendSidewaysSideways
Slope (bps/mo)-4.1-2.5
Rate Changes / Mo0.410.27
Days Since Last Change79147
High (-7 m)3.80 %4.55 %
Low (-7 m)3.50 %4.35 %
Draw-down from High-7.9 %-4.4 %
Volatility (CV)0.0260.015
APY Insights Glossary
Latest APY
Most recent advertised annual-percentage yield.
Trend
Direction over the last 7 months (regression slope).
Slope (bps/mo)
Average monthly change; 10 bps = 0.10 pp.
Rate Changes / Mo
Typical number of APY moves per month.
Days Since Last Change
Recency of the latest APY adjustment.
High (-7 m)
Highest APY in the last 220 days.
Low (-7 m)
Lowest APY in the last 220 days.
Draw-down from High
How far today sits below the 7-month peak.
Volatility (CV)
Coefficient of variation = stdev ÷ mean.
Why Track Savings-Account APYs?
  • See how quickly a bank reacts to Fed moves or competition.
  • Gauge “twitchiness” - frequent moves can annoy savers.
  • Spot if you're buying near a peak (draw-down) or riding a rise.
  • Slope (bps/mo) shows speed of change.
  • Volatility (CV) scales jumps by average level.

Calculate Savings Growth for Ally Bank vs Newtek Bank

All calculations are based on APY.

Ally Bank

APY: 3.50%

Total savings breakdown:

  • Interest earned: $2,114.1 (10.51%)
  • Total contributions: $13,000 (64.63%)
  • Initial deposit: $5,000 (24.86%)

Your total balance

$20,114.10

Effective APY: 3.50% (based on your deposit and contributions)

Total balance: $20,114.1

Earnings: $2,114.1

Bank Overview

Newtek Bank

APY: 4.35%

Total savings breakdown:

  • Interest earned: $2,662 (12.88%)
  • Total contributions: $13,000 (62.92%)
  • Initial deposit: $5,000 (24.20%)

Your total balance

$20,662.00

Effective APY: 4.35% (based on your deposit and contributions)

Total balance: $20,662

Earnings: $2,662

Bank Overview

With a $5,000 initial deposit and $13,000 in total contributions over 5 years, Ally Bank's total earnings would be $547.9 lower than Newtek Bank's total earnings.

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

More Comparisons

Compare Ally Bank's APY of 3.50% with other banks
Compare Newtek Bank's APY of 4.35% with other banks