High-Yield Savings Account Comparison

Ally Bank vs. Openbank

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 Ally Bank vs Openbank savings accounts
Metric

Ally Bank

Savings Account

Jan 7, 2026

Openbank

High-Yield Savings Account

Jan 7, 2026
APY3.30%4.20%
Est. Earnings
$5,000+$165
$10,000+$330
$25,000+$825
$5,000+$210
$10,000+$420
$25,000+$1,050
Min Deposit
$0$500

Snapshot view. Rates subject to change.

Features
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® Supported
FDIC InsuredLow Minimums

Prefer In-Person Banking?

Both of these banks are online-only. If you need physical branch access, check out our list of high-yield accounts with brick-and-mortar locations.

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Comparison Analysis

Comparing Ally Bank vs. Openbank

Updated: Jan 7, 2026

As of Ally Bank offers an APY of 3.30% for its Savings Account, with a minimum balance of $0, compared to Openbank's 4.20% APY for its High-Yield Savings Account, with a minimum balance of $0.

Openbank pays $90 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $330, while Openbank pays $420 - an APY advantage for Openbank.

Why Ally Bank?

  • Higher rated iOS app (4.7 vs 3.1)
  • Higher rated Android app (4.4 vs 2.9)
  • Fast transfers via Zelle® (up to $5,000 a day)

Why Openbank?

  • Higher potential APY (4.20% vs 3.30%) on all balances

— Key Feature Differences —

Better Returns at $10,000
Openbank

Openbank's High-Yield Savings Account earns more on smaller deposits (approx. $420 vs $330/yr).

Better Returns at $25,000
Openbank

Openbank's High-Yield Savings Account pulls ahead with larger amounts (approx. $1050 vs $825/yr).

Best for Simplicity
Openbank

Openbank's High-Yield Savings Account 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. 3.1) and Android app rated 4.4 (vs. 2.9)

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, Openbank's High-Yield Savings Account pays $90 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 BankOpenbank

Executive Summary as of

Openbank offers a High-Yield Savings Account with a competitive APY of 4.20%, making it the winner in this comparison. This account requires a minimum deposit of $500 but has no maintenance fees and does not mandate direct deposit. In contrast, Ally Bank provides a Savings Account with an APY of 3.30%, which is lower than Openbank's offering. Ally's account has no minimum deposit or balance requirements and also features a strong mobile app experience. Both banks operate online only and offer FDIC insurance.

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
Ally Bank

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Verify At
Openbank

Non-sponsored link to official site

Top Market Contenders

Marcus by Goldman Sachs
3.65% APY
Discover Bank
3.40% APY
Axos Bank
4.31% APY

Ally Bank vs. Openbank Savings Calculator

Calculations based on current APY for Savings Account and High-Yield Savings Account
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You earn $90 more with Openbank 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

3.30% APY

Savings Breakdown

  • Interest Earned
    +$330.00(3.2%)
  • Total Contributions
    $0
  • Initial Deposit
    $10,000

Projected Balance

$10,330.00

Effective APY
3.30%

Openbank

High-Yield Savings Account

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.

FeatureAlly BankOpenbank
APY
3.30%
Verified: 1/7/2026
↘︎ 0.10%90d Change
4.20%
Verified: 1/7/2026
Stable (90d)
Product NameSavings AccountHigh-Yield Savings Account
Minimum Deposit$0$500
Min. Balance for APY$0$0
Monthly Fee$0$0
Branch AccessNoneNone
Account Type
Online Only
Online Only
Direct Deposit Req.NoneNone
Checking BundleNoNo
Mobile Apps
iOS4.7
Android4.4
iOS3.1
Android2.9
Zelle® Support
Available
Limit: $5,000/dayBenchmark for online Zelle; high limits.
Not Supported
BBB RatingA+Not Rated
Next Steps
Visit Site

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📈 Compare Savings Rates Over Time

Historical Performance

Last 10 Months Analysis
MetricAlly BankOpenbank
Savings AccountHigh-Yield Savings Account
Current APY
3.30%4.20%
Trend
Stable Stable
Velocity (bps/mo)
-4.1-3.0
Days Since Change
68169
10-Month High
3.70%4.75%
10-Month Low
3.30%4.20%
Adjustments / Mo
0.380.29
Volatility Score
0.0380.027
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 315-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 3.30% with other banks
Bank PairCompetitor APYMin Deposit
Ally Bank vs Affirm3.20%$0
Ally Bank vs American Express3.30%$0
Ally Bank vs Axos Bank4.31%$0
Ally Bank vs Bank of America0.01%$100
Ally Bank vs Barclays4.00%$0
Ally Bank vs Bask Bank3.75%$0
Ally Bank vs Betterment3.25%$10
Ally Bank vs BMO Alto3.25%$0
Ally Bank vs Bread Savings4.05%$100
Ally Bank vs BrioDirect3.75%$5,000
Ally Bank vs Capital One3.40%$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 Chime3.50%$0
Ally Bank vs CIT Bank3.75%$100
Ally Bank vs Citibank3.30%$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 Bank3.40%$0
Ally Bank vs E*TRADE from Morgan Stanley3.50%$0
Ally Bank vs Elevault3.82%$0
Ally Bank vs EverBank3.90%$0
Ally Bank vs Fitness Bank4.75%$100
Ally Bank vs FNBO Direct3.00%$1
Ally Bank vs Forbright Bank4.00%$0
Ally Bank vs FVCbank3.85%$500
Ally Bank vs GO2bank4.50%$0
Ally Bank vs Ivy Bank4.10%$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 MutualOne Bank4.07%$20,000
Ally Bank vs My Banking Direct4.02%$500
Ally Bank vs Neighbors Bank4.30%$0
Ally Bank vs Newtek Bank4.35%$0.01
Ally Bank vs Peak Bank3.99%$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 Bank3.90%$0
Ally Bank vs Santander Bank0.01%$25
Ally Bank vs SoFi Bank4.00%$0
Ally Bank vs Synchrony Bank3.65%$0
Ally Bank vs TD Bank2.60%$0
Ally Bank vs TIMBR4.40%$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 Bank4.09%$100
Ally Bank vs Wealthfront3.90%$0
Ally Bank vs Wells Fargo0.05%$25
Ally Bank vs Zynlo Bank3.85%$10
Compare Openbank's APY of 4.20% with other banks
Bank PairCompetitor APYMin Deposit
Openbank vs Affirm3.20%$0
Openbank vs American Express3.30%$0
Openbank vs Axos Bank4.31%$0
Openbank vs Bank of America0.01%$100
Openbank vs Barclays4.00%$0
Openbank vs Bask Bank3.75%$0
Openbank vs Betterment3.25%$10
Openbank vs BMO Alto3.25%$0
Openbank vs Bread Savings4.05%$100
Openbank vs BrioDirect3.75%$5,000
Openbank vs Capital One3.40%$0
Openbank vs Carver Bank4.00%$5,000
Openbank vs Charles Schwab Bank0.15%$0
Openbank vs Chase Bank0.01%$0
Openbank vs Chime3.50%$0
Openbank vs CIT Bank3.75%$100
Openbank vs Citibank3.30%$0
Openbank vs Citizens Access™3.15%$0.01
Openbank vs Climate First Bank4.21%$50
Openbank vs Colorado Federal Savings Bank4.05%$50,000
Openbank vs Discover Bank3.40%$0
Openbank vs E*TRADE from Morgan Stanley3.50%$0
Openbank vs Elevault3.82%$0
Openbank vs EverBank3.90%$0
Openbank vs Fitness Bank4.75%$100
Openbank vs FNBO Direct3.00%$1
Openbank vs Forbright Bank4.00%$0
Openbank vs FVCbank3.85%$500
Openbank vs GO2bank4.50%$0
Openbank vs Ivy Bank4.10%$2,500
Openbank vs Jenius Bank4.05%$0
Openbank vs LendingClub4.00%$0
Openbank vs Marcus by Goldman Sachs3.65%$0
Openbank vs MutualOne Bank4.07%$20,000
Openbank vs My Banking Direct4.02%$500
Openbank vs Neighbors Bank4.30%$0
Openbank vs Newtek Bank4.35%$0.01
Openbank vs Peak Bank3.99%$100
Openbank vs Pibank4.60%$0
Openbank vs PNC3.30%$0
Openbank vs Popular Direct3.90%$100
Openbank vs Presidential Bank3.75%$5,000
Openbank vs Quontic Bank3.50%$100
Openbank vs Salem Five Direct3.61%$10
Openbank vs Sallie Mae Bank3.90%$0
Openbank vs Santander Bank0.01%$25
Openbank vs SoFi Bank4.00%$0
Openbank vs Synchrony Bank3.65%$0
Openbank vs TD Bank2.60%$0
Openbank vs TIMBR4.40%$1,000
Openbank vs UFB Direct3.46%$5000
Openbank vs Upgrade3.05%$0
Openbank vs Valley Direct4.00%$1,000
Openbank vs Varo Bank5.00%$0
Openbank vs Vio Bank4.09%$100
Openbank vs Wealthfront3.90%$0
Openbank vs Wells Fargo0.05%$25
Openbank vs Zynlo Bank3.85%$10