High-Yield Savings Account Comparison

Ally Bank vs. Discover Bank

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

Analysis by Aviel Fahl
Updated January 21, 2026
Comparison of Ally Bank vs Discover Bank savings accounts
Metric

Ally Bank

Savings Account

Jan 21, 2026

Discover Bank

Online Savings Account

Jan 16, 2026
APY3.30%3.30%
Est. Earnings
$5,000+$165
$10,000+$330
$25,000+$825
$5,000+$165
$10,000+$330
$25,000+$825
Min Deposit
$0$0

Snapshot view. Rates subject to change.

Terms
-Discover Bank is part of Capital One and this account is not open to new customers.
Features
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® Supported
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® Supported

Market Reality Check

Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.20% APY.

See Top Rates

Comparison Analysis

Comparing Ally Bank vs. Discover Bank

Updated: Jan 21, 2026

As of both Ally Bank (Savings Account) and Discover Bank (Online Savings Account) offer an APY of 3.30% .

Both banks yield $330 in interest on a $10,000 balance after one year. Neither has an APY advantage, so consider other features (fees, access, app ratings, etc.) when choosing.

Why Ally Bank?

No distinct advantages found vs Discover Bank.

Why Discover Bank?

  • Higher rated Android app (4.8 vs 4.4)

— Key Feature Differences —

Best Mobile App Experience
Discover Bank

Discover Bank offers an iOS app rated 4.9 (vs. 4.7) and Android app rated 4.8 (vs. 4.4)

Shared Benefits

Both offer monthly maintenance-free account options Both banks have options with $0 opening deposit Fast transfers via Zelle® Available Nationwide Available to New & Existing Customers

Executive Summary as of

Both Ally Bank and Discover Bank offer competitive online savings accounts with an APY of 3.30%. However, Discover Bank's account is currently not open to new customers, making Ally Bank the more accessible option for new savers. Ally Bank's savings account has no minimum deposit or maintenance fees and compounds interest daily. Additionally, Discover Bank is noted for its superior mobile app experience, with higher ratings on both iOS and Android platforms. Overall, for new customers seeking an online savings account, Ally Bank is the recommended choice.

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

Non-sponsored link to official site

Verify At
Discover Bank

Non-sponsored link to official site

Top Market Contenders

Ally Bank vs. Discover Bank Savings Calculator

Calculations based on current APY for Savings Account and Online Savings Account
$
$

Both accounts earn exactly the same amount.

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%

Discover Bank

Online 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%

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

FeatureAlly BankDiscover Bank
APY
3.30%
Verified: 1/21/2026
↘︎ 0.10%90d Change
3.30%
Verified: 1/16/2026
↘︎ 0.10%90d Change
Product NameSavings AccountOnline Savings Account
Minimum Deposit$0$0
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
iOS4.9
Android4.8
Zelle® Support
Available
Limit: $5,000/dayBenchmark for online Zelle; high limits.
Available
Limit: $600/dayStrict 90-day seasoning period for new accounts.
BBB RatingA+A+
Important Notes-Discover Bank is part of Capital One and this account is not open to new customers.
Next Steps
Visit Site

Non-sponsored link to official site

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📈 Compare Savings Rates Over Time

Historical Performance

Last 12 Months Analysis
MetricAlly BankDiscover Bank
Savings AccountOnline Savings Account
Current APY
3.30%3.30%
Trend
Stable Stable
Velocity (bps/mo)
-4.1-3.5
Days Since Change
8213
12-Month High
3.80%3.75%
12-Month Low
3.30%3.30%
Adjustments / Mo
0.420.42
Volatility Score
0.0430.036
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 358-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 Savings4.00%$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 Chime3.50%$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 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 Bank3.85%$0
Ally Bank vs FVCbank3.85%$500
Ally Bank vs GO2bank4.50%$0
Ally Bank vs Ivy Bank4.00%$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 Bank4.20%$0
Ally Bank vs Newtek Bank4.35%$0.01
Ally Bank vs Openbank4.20%$500
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 Bank2.36%$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 Bank4.09%$100
Ally Bank vs Wealthfront3.90%$0
Ally Bank vs Wells Fargo0.05%$25
Ally Bank vs Zynlo Bank3.85%$10
Compare Discover Bank's APY of 3.30% with other banks
Bank PairCompetitor APYMin Deposit
Discover Bank vs Affirm3.20%$0
Discover Bank vs American Express3.30%$0
Discover Bank vs Axos Bank4.31%$0
Discover Bank vs Bank of America0.01%$100
Discover Bank vs Barclays4.00%$0
Discover Bank vs Bask Bank3.75%$0
Discover Bank vs Betterment3.25%$10
Discover Bank vs BMO Alto3.25%$0
Discover Bank vs Bread Savings4.00%$100
Discover Bank vs BrioDirect3.75%$5,000
Discover Bank vs Capital One3.30%$0
Discover Bank vs Carver Bank4.00%$5,000
Discover Bank vs Charles Schwab Bank0.15%$0
Discover Bank vs Chase Bank0.01%$0
Discover Bank vs Chime3.50%$0
Discover Bank vs CIT Bank3.75%$100
Discover Bank vs Citibank3.30%$0
Discover Bank vs Citizens Access™3.15%$0.01
Discover Bank vs Climate First Bank4.21%$50
Discover Bank vs Colorado Federal Savings Bank4.05%$50,000
Discover Bank vs E*TRADE from Morgan Stanley3.50%$0
Discover Bank vs Elevault3.82%$0
Discover Bank vs EverBank3.90%$0
Discover Bank vs Fitness Bank4.75%$100
Discover Bank vs FNBO Direct3.00%$1
Discover Bank vs Forbright Bank3.85%$0
Discover Bank vs FVCbank3.85%$500
Discover Bank vs GO2bank4.50%$0
Discover Bank vs Ivy Bank4.00%$2,500
Discover Bank vs Jenius Bank4.05%$0
Discover Bank vs LendingClub4.00%$0
Discover Bank vs Marcus by Goldman Sachs3.65%$0
Discover Bank vs MutualOne Bank4.07%$20,000
Discover Bank vs My Banking Direct4.02%$500
Discover Bank vs Neighbors Bank4.20%$0
Discover Bank vs Newtek Bank4.35%$0.01
Discover Bank vs Openbank4.20%$500
Discover Bank vs Peak Bank3.99%$100
Discover Bank vs Pibank4.60%$0
Discover Bank vs PNC3.30%$0
Discover Bank vs Popular Direct3.90%$100
Discover Bank vs Presidential Bank3.75%$5,000
Discover Bank vs Quontic Bank3.50%$100
Discover Bank vs Salem Five Direct3.61%$10
Discover Bank vs Sallie Mae Bank3.90%$0
Discover Bank vs Santander Bank0.01%$25
Discover Bank vs SoFi Bank4.00%$0
Discover Bank vs Synchrony Bank3.65%$0
Discover Bank vs TD Bank2.36%$0
Discover Bank vs TIMBR4.15%$1,000
Discover Bank vs UFB Direct3.46%$5000
Discover Bank vs Upgrade3.05%$0
Discover Bank vs Valley Direct4.00%$1,000
Discover Bank vs Varo Bank5.00%$0
Discover Bank vs Vio Bank4.09%$100
Discover Bank vs Wealthfront3.90%$0
Discover Bank vs Wells Fargo0.05%$25
Discover Bank vs Zynlo Bank3.85%$10