High-Yield Savings Account Comparison

Ally Bank vs. Betterment

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

Analysis by Aviel Fahl
Updated December 10, 2025

Ally Bank

Savings Account

3.30%
APY
Dec 10, 2025
FDIC InsuredNo MinimumsGreat iOS AppGreat Android App
Show Fine Print & Trends
Min. Deposit$0
Min. Balance$0
Maintenance Fee$0
Compound FreqDaily
Direct DepositNot required
Deposit InsuranceFDIC Insured(Cert: 57803)
EligibilityUnited States
Mobile Ratings
BBB Rating

Rate Stability

Rate Adjusted
-0.20%
Since 90 days ago

Market Reality Check

Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.25% APY.

See Top Rates

Ally Bank vs. Betterment Savings Calculator

Calculations based on current APY for Savings Account and Cash Reserve
$
$

Betterment earns $127 more than Ally Bank.

Ally Bank

Savings Account

3.30% APY

Savings Breakdown

  • Interest Earned
    +$1,987.10(9.9%)
  • Total Contributions
    $13,000
  • Initial Deposit
    $5,000

Projected Balance

$19,987.10

Effective APY
3.30%

Betterment

Cash Reserve

3.50% APY

Savings Breakdown

  • Interest Earned
    +$2,114.10(10.5%)
  • Total Contributions
    $13,000
  • Initial Deposit
    $5,000

Projected Balance

$20,114.10

Effective APY
3.50%

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

Comparison Analysis

Comparing Ally Bank vs. Betterment

Updated: Dec 10, 2025

Why Ally Bank?

No distinct advantages found vs Betterment.

Why Betterment?

  • Higher potential APY (3.50% vs 3.30%) on all balances
  • Higher rated Android app (4.7 vs 4.4)

— Key Feature Differences —

Better Returns at $10,000
Betterment

Betterment's Cash Reserve earns more on smaller deposits (approx. $350 vs $330/yr).

Better Returns at $25,000
Betterment

Betterment's Cash Reserve pulls ahead with larger amounts (approx. $875 vs $825/yr).

Best for Simplicity
Betterment

Betterment's Cash Reserve offers 3.50% APY with no bundling, direct deposit requirement or caps.

Best Mobile App Experience
Betterment

Betterment offers an iOS app rated 4.8 (vs. 4.7) and Android app rated 4.7 (vs. 4.4)

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, Betterment's Cash Reserve pays $20 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 BankBetterment
Automated Data Audit

Executive Summary

Betterment offers a competitive Cash Reserve account with a higher APY of 3.50%, making it the winner compared to Ally Bank's Savings Account, which has an APY of 3.30%. Both accounts are online-only and have no maintenance fees, but Betterment requires a minimum deposit of $10, while Ally has no minimum deposit requirement. Additionally, both accounts do not require direct deposit. For those seeking simplicity and higher returns, Betterment's Cash Reserve is an attractive option.

Analysis generated based on current Banksparency database records

* AI-generated content provided for informational purposes only. Accuracy is not guaranteed; always verify details with the provider.

Stop Losing Interest

See who beats both Ally Bank and Betterment.

Compare All High-Yield Savings Accounts
Pibank
Pibank Savings
FDIC InsuredNo Minimums
4.60% APY
+1.10% vs Betterment
Better Rate
Axos Bank
Axos ONE
FDIC InsuredNo MinimumsGreat iOS AppGreat Android App
4.31% APY
+0.81% vs Betterment
Better Rate
TIMBR
Premium Savings Account
FDIC InsuredLow Minimums
4.40% APY
+0.90% vs Betterment
Better Rate
FeatureAlly BankBetterment
APY
3.30%
Verified: 12/10/2025
↘︎ 0.20%90d Change
3.50%
Verified: 12/10/2025
↘︎ 0.50%90d Change
Product NameSavings AccountCash Reserve
Minimum Deposit$0$10
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
iOS4.8
Android4.7
BBB RatingA+A-
Next Steps

📈 Compare Savings Rates Over Time

Historical Performance

Last 10 Months Analysis
MetricAlly BankBetterment
Savings AccountCash Reserve
Current APY
3.30%3.50%
Trend
Stable Stable
Velocity (bps/mo)
-4.3-4.7
Days Since Change
4039
10-Month High
3.80%4.00%
10-Month Low
3.30%3.50%
Adjustments / Mo
0.470.19
Volatility Score
0.0400.049
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 316-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 Affirm3.60%$0
Ally Bank vs American Express3.40%$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 Bank3.90%$0
Ally Bank vs BMO Alto3.25%$0
Ally Bank vs Bread Savings4.10%$100
Ally Bank vs BrioDirect4.00%$5,000
Ally Bank vs Capital One3.40%$0
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 Stanley3.75%$0
Ally Bank vs Elevault4.08%$0
Ally Bank vs EverBank4.05%$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 Bank4.25%$2,500
Ally Bank vs LendingClub4.20%$0
Ally Bank vs Marcus by Goldman Sachs3.65%$0
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 Bank4.20%$100
Ally Bank vs Pibank4.60%$0
Ally Bank vs PNC3.53%$0
Ally Bank vs Presidential Bank4.00%$5,000
Ally Bank vs Quontic Bank3.75%$100
Ally Bank vs Salem Five Direct3.71%$10
Ally Bank vs Sallie Mae Bank3.90%$0
Ally Bank vs Santander Bank0.01%$25
Ally Bank vs SoFi Bank4.30%$0
Ally Bank vs Synchrony Bank3.65%$0
Ally Bank vs TD Bank2.75%$0
Ally Bank vs TIMBR4.40%$1,000
Ally Bank vs UFB Direct3.71%$5000
Ally Bank vs Upgrade3.05%$0
Ally Bank vs Valley Direct4.10%$1,000
Ally Bank vs Varo Bank5.00%$0
Ally Bank vs Vio Bank4.16%$100
Ally Bank vs Wealthfront4.15%$0
Ally Bank vs Wells Fargo0.05%$25
Ally Bank vs Zynlo Bank4.05%$10
Compare Betterment's APY of 3.50% with other banks
Bank PairCompetitor APYMin Deposit
Betterment vs Affirm3.60%$0
Betterment vs American Express3.40%$0
Betterment vs Axos Bank4.31%$0
Betterment vs Bank of America0.01%$100
Betterment vs Barclays4.00%$0
Betterment vs Bask Bank3.90%$0
Betterment vs BMO Alto3.25%$0
Betterment vs Bread Savings4.10%$100
Betterment vs BrioDirect4.00%$5,000
Betterment vs Capital One3.40%$0
Betterment vs Charles Schwab Bank0.15%$0
Betterment vs Chase Bank0.01%$0
Betterment vs Chime3.50%$0
Betterment vs CIT Bank3.75%$100
Betterment vs Citibank3.30%$0
Betterment vs Citizens Access™3.15%$0.01
Betterment vs Climate First Bank4.21%$50
Betterment vs Discover Bank3.40%$0
Betterment vs E*TRADE from Morgan Stanley3.75%$0
Betterment vs Elevault4.08%$0
Betterment vs EverBank4.05%$0
Betterment vs Fitness Bank4.75%$100
Betterment vs FNBO Direct3.00%$1
Betterment vs Forbright Bank4.00%$0
Betterment vs FVCbank3.85%$500
Betterment vs GO2bank4.50%$0
Betterment vs Ivy Bank4.25%$2,500
Betterment vs LendingClub4.20%$0
Betterment vs Marcus by Goldman Sachs3.65%$0
Betterment vs Neighbors Bank4.30%$0
Betterment vs Newtek Bank4.35%$0.01
Betterment vs Openbank4.20%$500
Betterment vs Peak Bank4.20%$100
Betterment vs Pibank4.60%$0
Betterment vs PNC3.53%$0
Betterment vs Presidential Bank4.00%$5,000
Betterment vs Quontic Bank3.75%$100
Betterment vs Salem Five Direct3.71%$10
Betterment vs Sallie Mae Bank3.90%$0
Betterment vs Santander Bank0.01%$25
Betterment vs SoFi Bank4.30%$0
Betterment vs Synchrony Bank3.65%$0
Betterment vs TD Bank2.75%$0
Betterment vs TIMBR4.40%$1,000
Betterment vs UFB Direct3.71%$5000
Betterment vs Upgrade3.05%$0
Betterment vs Valley Direct4.10%$1,000
Betterment vs Varo Bank5.00%$0
Betterment vs Vio Bank4.16%$100
Betterment vs Wealthfront4.15%$0
Betterment vs Wells Fargo0.05%$25
Betterment vs Zynlo Bank4.05%$10