High-Yield Savings Account Comparison

Ally Bank vs. Colorado Federal Savings Bank

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 Colorado Federal Savings Bank savings accounts
Metric

Ally Bank

Savings Account

Jan 7, 2026

Colorado Federal Savings Bank

Premier Savings

Jan 7, 2026
APY3.30%4.05%
Est. Earnings
$5,000+$165
$10,000+$330
$25,000+$825
$5,000+$0
$10,000+$0
$25,000+$0
Min Deposit
$0$50,000

Snapshot view. Rates subject to change.

Features
FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® Supported
FDIC InsuredHigh MinimumGreat iOS App

Market Reality Check

Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.21% APY.

See Top Rates

Comparison Analysis

Comparing Ally Bank vs. Colorado Federal Savings Bank

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 Colorado Federal Savings Bank's 4.05% APY for its Premier Savings account, with a minimum balance of $50,000.

Colorado Federal Savings Bank pays $75 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $330, while Colorado Federal Savings Bank pays $405 - an APY advantage for Colorado Federal Savings Bank.

In addition, Colorado Federal Savings Bank also offers 4.00% APY for the High Yield Savings account, with a minimum balance of $1.

Why Ally Bank?

  • Higher rated iOS app (4.7 vs 4.3)
  • Higher rated Android app (4.4 vs 0.0)
  • Fast transfers via Zelle® (up to $5,000 a day)

Why Colorado Federal Savings Bank?

  • Higher potential APY (4.00%-4.05% vs 3.30%)
  • Offers 2 different high-yield savings options

— Key Feature Differences —

Better Returns at $10,000
Ally Bank

Ally Bank's Savings Account earns more on smaller deposits (approx. $330 vs $0/yr).

Better Returns at $25,000
Ally Bank

Ally Bank's Savings Account pulls ahead with larger amounts (approx. $825 vs $0/yr).

Best for Simplicity
Colorado Federal Savings Bank

Colorado Federal Savings Bank's Premier Savings offers 4.05% 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. 4.3) and Android app rated 4.4 (vs. 0.0)

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, Colorado Federal Savings Bank's Premier Savings pays $75 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 BankColorado Federal Savings Bank

Executive Summary as of

Colorado Federal Savings Bank offers a High Yield Savings account with a competitive APY of 4.00%, making it the highest-yielding option between the two banks. In comparison, Ally Bank's Savings Account provides an APY of 3.30%. Both banks feature online-only accounts with no maintenance fees and no direct deposit requirements. However, Colorado Federal Savings Bank's Premier Savings account also offers a higher APY of 4.05%, but requires a minimum deposit and balance of $50,000. For those looking for a simpler option, Ally Bank's Savings Account has no minimum deposit or balance requirement.

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
Colorado Federal Savings Bank

Non-sponsored link to official site

Top Market Contenders

Ally Bank vs. Colorado Federal Savings Bank Savings Calculator

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

You earn $375 more with Colorado Federal Savings Bank than Ally Bank on a $50,000 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
    +$1,650.00(3.2%)
  • Total Contributions
    $0
  • Initial Deposit
    $50,000

Projected Balance

$51,650.00

Effective APY
3.30%

Colorado Federal Savings Bank

Premier Savings

4.05% APY

Savings Breakdown

  • Interest Earned
    +$2,025.00(3.9%)
  • Total Contributions
    $0
  • Initial Deposit
    $50,000

Projected Balance

$52,025.00

Effective APY
4.05%

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

FeatureAlly BankColorado Federal Savings Bank
APY
3.30%
Verified: 1/7/2026
↘︎ 0.10%90d Change
4.05%
Verified: 1/7/2026
↘︎ 0.10%90d Change
Product NameSavings AccountPremier Savings
Minimum Deposit$0$50,000
Min. Balance for APY$0$50,000
Monthly Fee$0$0
Branch AccessNoneNone
Account Type
Online Only
Online Only
Direct Deposit Req.NoneNone
Checking BundleNoNo
Mobile Apps
iOS4.7
Android4.4
iOS4.3
Android-
Zelle® Support
Available
Limit: $5,000/dayBenchmark for online Zelle; high limits.
Not Supported
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 11 Months Analysis
MetricAlly BankColorado Federal Savings Bank
Savings AccountPremier SavingsHigh Yield Savings
Current APY
3.30%4.05%4.00%
Trend
Stable Stable Stable
Velocity (bps/mo)
-4.1-2.6-2.6
Days Since Change
688989
11-Month High
3.70%4.25%4.25%
11-Month Low
3.30%4.05%4.00%
Adjustments / Mo
0.370.190.37
Volatility Score
0.0390.0220.022
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 322-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 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 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 Bank2.60%$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 Colorado Federal Savings Bank's APY of 4.05% with other banks
Bank PairCompetitor APYMin Deposit
Colorado Federal Savings Bank vs Affirm3.20%$0
Colorado Federal Savings Bank vs American Express3.30%$0
Colorado Federal Savings Bank vs Axos Bank4.31%$0
Colorado Federal Savings Bank vs Bank of America0.01%$100
Colorado Federal Savings Bank vs Barclays4.00%$0
Colorado Federal Savings Bank vs Bask Bank3.75%$0
Colorado Federal Savings Bank vs Betterment3.25%$10
Colorado Federal Savings Bank vs BMO Alto3.25%$0
Colorado Federal Savings Bank vs Bread Savings4.05%$100
Colorado Federal Savings Bank vs BrioDirect3.75%$5,000
Colorado Federal Savings Bank vs Capital One3.40%$0
Colorado Federal Savings Bank vs Carver Bank4.00%$5,000
Colorado Federal Savings Bank vs Charles Schwab Bank0.15%$0
Colorado Federal Savings Bank vs Chase Bank0.01%$0
Colorado Federal Savings Bank vs Chime3.50%$0
Colorado Federal Savings Bank vs CIT Bank3.75%$100
Colorado Federal Savings Bank vs Citibank3.30%$0
Colorado Federal Savings Bank vs Citizens Access™3.15%$0.01
Colorado Federal Savings Bank vs Climate First Bank4.21%$50
Colorado Federal Savings Bank vs Discover Bank3.40%$0
Colorado Federal Savings Bank vs E*TRADE from Morgan Stanley3.50%$0
Colorado Federal Savings Bank vs Elevault3.82%$0
Colorado Federal Savings Bank vs EverBank3.90%$0
Colorado Federal Savings Bank vs Fitness Bank4.75%$100
Colorado Federal Savings Bank vs FNBO Direct3.00%$1
Colorado Federal Savings Bank vs Forbright Bank4.00%$0
Colorado Federal Savings Bank vs FVCbank3.85%$500
Colorado Federal Savings Bank vs GO2bank4.50%$0
Colorado Federal Savings Bank vs Ivy Bank4.10%$2,500
Colorado Federal Savings Bank vs Jenius Bank4.05%$0
Colorado Federal Savings Bank vs LendingClub4.00%$0
Colorado Federal Savings Bank vs Marcus by Goldman Sachs3.65%$0
Colorado Federal Savings Bank vs MutualOne Bank4.07%$20,000
Colorado Federal Savings Bank vs My Banking Direct4.02%$500
Colorado Federal Savings Bank vs Neighbors Bank4.30%$0
Colorado Federal Savings Bank vs Newtek Bank4.35%$0.01
Colorado Federal Savings Bank vs Openbank4.20%$500
Colorado Federal Savings Bank vs Peak Bank3.99%$100
Colorado Federal Savings Bank vs Pibank4.60%$0
Colorado Federal Savings Bank vs PNC3.30%$0
Colorado Federal Savings Bank vs Popular Direct3.90%$100
Colorado Federal Savings Bank vs Presidential Bank3.75%$5,000
Colorado Federal Savings Bank vs Quontic Bank3.50%$100
Colorado Federal Savings Bank vs Salem Five Direct3.61%$10
Colorado Federal Savings Bank vs Sallie Mae Bank3.90%$0
Colorado Federal Savings Bank vs Santander Bank0.01%$25
Colorado Federal Savings Bank vs SoFi Bank4.00%$0
Colorado Federal Savings Bank vs Synchrony Bank3.65%$0
Colorado Federal Savings Bank vs TD Bank2.60%$0
Colorado Federal Savings Bank vs TIMBR4.40%$1,000
Colorado Federal Savings Bank vs UFB Direct3.46%$5000
Colorado Federal Savings Bank vs Upgrade3.05%$0
Colorado Federal Savings Bank vs Valley Direct4.00%$1,000
Colorado Federal Savings Bank vs Varo Bank5.00%$0
Colorado Federal Savings Bank vs Vio Bank4.09%$100
Colorado Federal Savings Bank vs Wealthfront3.90%$0
Colorado Federal Savings Bank vs Wells Fargo0.05%$25
Colorado Federal Savings Bank vs Zynlo Bank3.85%$10