Ally Bank vs Capital One
High-Yield Savings Accounts Comparison
Last Updated: August 29, 2025
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Summary of Ally Bank vs. Capital One
As of 8/29/2025 both Ally Bank (Savings Account) and Capital One (360 Performance Savings) offer an APY of 3.50% .
Both banks yield $350 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.
Ally Bank
Strengths
- Ally Bank offers a competitive APY of 3.50% with no minimum balance.
- No maintenance fees for the savings account at Ally Bank.
- Ally Bank has a solid App Store rating of 4.7.
Potential Drawbacks
- Ally Bank has no physical branches for in-person banking.
- Ally Bank's Google Play rating is lower at 4.4.
Capital One
Strengths
- Capital One provides access to over 200 branches for customer service.
- Capital One has a higher App Store rating of 4.9.
- Capital One is BBB Accredited with an A+ rating.
Potential Drawbacks
- Capital One's APY is also 3.50%, offering no advantage over Ally Bank.
- Capital One's Google Play rating is slightly lower at 4.5.
Summary: Both Ally Bank and Capital One offer a competitive APY of 3.50% for their high-yield savings accounts. Ally Bank operates online only, while Capital One has over 200 branches, providing in-person services. Ally Bank has a strong App Store rating of 4.7, but Capital One excels with a rating of 4.9 and is BBB Accredited. Both banks have no maintenance fees, making them attractive options.
Compare Ally Bank's vs Capital One's Savings Accounts
| Ally Bank | Capital One | ||
|---|---|---|---|
| Product | Savings Account | vs | 360 Performance Savings |
| APY | 3.50% (as of 8/29/2025) | 3.50% (as of 8/29/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | No | |
| Compound Frequency | Daily | Monthly | |
| Minimum Deposit | $0 | $0 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $0 | |
| Direct Deposit Required | No | No | |
| App Store Rating | 4.7/5 | 4.9/5 | |
| Google Play Rating | 4.4/5 | 4.5/5 | |
| BBB Rating | A+ | A+ |
Comparative Historical APY Insights (Last 7 Months)
| Ally Bank | Capital One | ||
|---|---|---|---|
| Product | Savings Account | vs | 360 Performance Savings |
| Latest APY | 3.50 % | 3.50 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.2 | -4.0 | |
| Rate Changes / Mo | 0.42 | 0.42 | |
| Days Since Last Change | 73 | 65 | |
| High (-7 m) | 3.80 % | 3.80 % | |
| Low (-7 m) | 3.50 % | 3.50 % | |
| Draw-down from High | -7.9 % | -7.9 % | |
| Volatility (CV) | 0.026 | 0.024 |
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 214 days.
- Low (-7 m)
- Lowest APY in the last 214 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 Capital One
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 OverviewCapital One
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 OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Ally Bank's total earnings would be the same as Capital One'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
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Ally Bank vs American Express | 3.50% | $0 |
| Ally Bank vs Axos Bank | 4.46% | $0 |
| Ally Bank vs Bank of America | 0.01% | $100 |
| Ally Bank vs Barclays | 4.10% | $0 |
| Ally Bank vs Chase Bank | 0.01% | $0 |
| Ally Bank vs Chime | 3.75% | $0 |
| Ally Bank vs CIT Bank | 4.00% | $100 |
| Ally Bank vs Discover Bank | 3.50% | $0 |
| Ally Bank vs Fitness Bank | 4.85% | $100 |
| Ally Bank vs Marcus by Goldman Sachs | 3.65% | $0 |
| Ally Bank vs Presidential Bank | 4.50% | $5,000 |
| Ally Bank vs SoFi Bank | 3.80% | $0 |
| Ally Bank vs Synchrony Bank | 3.80% | $0 |
| Ally Bank vs UFB Direct | 4.21% | $5000 |
| Ally Bank vs Varo Bank | 5.00% | $0 |
| Ally Bank vs Wells Fargo | 2.51% | $25 |
Compare Capital One's APY of 3.50% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Capital One vs American Express | 3.50% | $0 |
| Capital One vs Axos Bank | 4.46% | $0 |
| Capital One vs Bank of America | 0.01% | $100 |
| Capital One vs Barclays | 4.10% | $0 |
| Capital One vs Chase Bank | 0.01% | $0 |
| Capital One vs Chime | 3.75% | $0 |
| Capital One vs CIT Bank | 4.00% | $100 |
| Capital One vs Discover Bank | 3.50% | $0 |
| Capital One vs Fitness Bank | 4.85% | $100 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $0 |
| Capital One vs Presidential Bank | 4.50% | $5,000 |
| Capital One vs SoFi Bank | 3.80% | $0 |
| Capital One vs Synchrony Bank | 3.80% | $0 |
| Capital One vs UFB Direct | 4.21% | $5000 |
| Capital One vs Varo Bank | 5.00% | $0 |
| Capital One vs Wells Fargo | 2.51% | $25 |