Ally Bank vs Marcus By Goldman Sachs
High-Yield Savings Accounts Comparison
Last Updated: August 29, 2025
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Summary of Ally Bank vs. Marcus by Goldman Sachs
As of August 29, 2025 Ally Bank offers an APY of 3.50% for its Savings Account, compared to Marcus by Goldman Sachs's 3.65% APY for its Marcus Online Savings Account account.
Marcus by Goldman Sachs yields $15 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $350, while Marcus by Goldman Sachs pays $365 - an APY advantage for Marcus by Goldman Sachs.
Ally Bank
Strengths
- Ally Bank offers a competitive APY of 3.50%.
- Ally Bank has an App Store rating of 4.7.
- No maintenance fees on Ally Bank's savings account.
Potential Drawbacks
- Ally Bank's current APY is lower than Marcus's 3.65%.
- Ally Bank has a Google Play rating of 4.4, lower than Marcus's 4.1.
Marcus by Goldman Sachs
Strengths
- Marcus by Goldman Sachs provides a higher APY of 3.65%.
- Marcus has an App Store rating of 4.8, higher than Ally's 4.7.
Potential Drawbacks
- Marcus's Google Play rating is 4.1, lower than Ally's 4.4.
- Both banks have no branch locations.
Summary: Ally Bank offers a 3.50% APY with a strong App Store rating of 4.7, while Marcus by Goldman Sachs provides a slightly higher APY of 3.65% and a superior App Store rating of 4.8. Both banks have no maintenance fees or branch locations, but Ally Bank has a better Google Play rating. Overall, Marcus stands out with its higher APY.
Compare Ally Bank's vs Marcus by Goldman Sachs' Savings Accounts
| Ally Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Savings Account | vs | Marcus Online Savings Account |
| APY | 3.50% (as of 8/29/2025) | 3.65% (as of 8/29/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | Yes | |
| Compound Frequency | Daily | Daily | |
| 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 | 4.8/5 | |
| Google Play Rating | 4.4/5 | 4.1/5 | |
| BBB Rating | A+ | A+ |
Comparative Historical APY Insights (Last 7 Months)
| Ally Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Savings Account | vs | Marcus Online Savings Account |
| Latest APY | 3.50 % | 3.65 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.2 | -4.5 | |
| Rate Changes / Mo | 0.42 | 0.28 | |
| Days Since Last Change | 73 | 94 | |
| High (-7 m) | 3.80 % | 3.90 % | |
| Low (-7 m) | 3.50 % | 3.65 % | |
| Draw-down from High | -7.9 % | -6.4 % | |
| Volatility (CV) | 0.026 | 0.027 |
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 Marcus by Goldman Sachs
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 OverviewMarcus by Goldman Sachs
APY: 3.65%
Total savings breakdown:
- Interest earned: $2,209.7 (10.93%)
- Total contributions: $13,000 (64.33%)
- Initial deposit: $5,000 (24.74%)
Your total balance
$20,209.70
Effective APY: 3.65% (based on your deposit and contributions)
Total balance: $20,209.7
Earnings: $2,209.7
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Ally Bank's total earnings would be $95.6 lower than Marcus by Goldman Sachs'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 Capital One | 3.50% | $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 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 Marcus by Goldman Sachs' APY of 3.65% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Marcus by Goldman Sachs vs American Express | 3.50% | $0 |
| Marcus by Goldman Sachs vs Axos Bank | 4.46% | $0 |
| Marcus by Goldman Sachs vs Bank of America | 0.01% | $100 |
| Marcus by Goldman Sachs vs Barclays | 4.10% | $0 |
| Marcus by Goldman Sachs vs Capital One | 3.50% | $0 |
| Marcus by Goldman Sachs vs Chase Bank | 0.01% | $0 |
| Marcus by Goldman Sachs vs Chime | 3.75% | $0 |
| Marcus by Goldman Sachs vs CIT Bank | 4.00% | $100 |
| Marcus by Goldman Sachs vs Discover Bank | 3.50% | $0 |
| Marcus by Goldman Sachs vs Fitness Bank | 4.85% | $100 |
| Marcus by Goldman Sachs vs Presidential Bank | 4.50% | $5,000 |
| Marcus by Goldman Sachs vs SoFi Bank | 3.80% | $0 |
| Marcus by Goldman Sachs vs Synchrony Bank | 3.80% | $0 |
| Marcus by Goldman Sachs vs UFB Direct | 4.21% | $5000 |
| Marcus by Goldman Sachs vs Varo Bank | 5.00% | $0 |
| Marcus by Goldman Sachs vs Wells Fargo | 2.51% | $25 |