Ally Bank vs. Citibank
High-Yield Savings Account Comparison
By Aviel Fahl|Last Updated: November 12, 2025
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Summary of Ally Bank vs. Citibank
Key Metrics at a Glance
| Feature | Ally Bank | Citibank |
|---|---|---|
| Top Savings APY | 3.30% Savings Account | 3.35% Citi Accelerate Savings |
| Minimum to Open | $0 | $0 |
| Minimum Balance for Top APY | $0 | $0.01 |
Ally Bank
Strengths
- Ally Bank offers a higher APY of 3.30% compared to Citibank's 3.35%.
- Ally Bank has an A+ BBB rating, indicating better trustworthiness.
- No maintenance fees at Ally Bank for their savings account.
Potential Drawbacks
- Ally Bank's APY decreased from 3.40% in the last 30 days.
- Ally Bank has no physical branches.
Citibank
Strengths
- Citibank's app ratings are higher, with 4.9 on App Store and 4.8 on Google Play.
- Citibank offers a second savings account option with a lower APY of 0.03%.
Potential Drawbacks
- Citibank has a D- BBB rating and is not BBB Accredited.
- Citibank charges a maintenance fee of $4.50 unless a balance of $500 is maintained.
→ As of November 12, 2025 Ally Bank offers an APY of 3.30% for its Savings Account, with a minimum balance of $0, compared to Citibank's 3.35% APY for its Citi Accelerate Savings account, with a minimum balance of $0.01.
→ Citibank yields $5 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $330, while Citibank pays $335 - an APY advantage for Citibank.
→ In addition, Citibank also offers 0.03% APY for the Citi® Savings Account account.
Calculate Savings Growth for Ally Bank vs Citibank
Ally Bank - Savings Account
Total savings breakdown:
- Interest earned: $1,987.1 (9.94%)
- Total contributions: $13,000 (65.04%)
- Initial deposit: $5,000 (25.02%)
Your total balance
$19,987.10
Total balance: $19,987.1
Earnings: $1,987.1
Bank OverviewCitibank - Citi Accelerate Savings
Total savings breakdown:
- Interest earned: $2,018.8 (10.08%)
- Total contributions: $13,000 (64.94%)
- Initial deposit: $5,000 (24.98%)
Your total balance
$20,018.80
Total balance: $20,018.8
Earnings: $2,018.8
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Ally Bank's total earnings would be $31.7 lower than Citibank's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Ally Bank's vs Citibank's Savings Accounts
| Ally Bank | Citibank | |||
|---|---|---|---|---|
| Product | Savings Account | vs | Citi Accelerate Savings | Citi® Savings Account |
| APY | 3.30% (as of 11/12/2025) | 3.35% (as of 11/12/2025) | 0.03% (as of 11/12/2025) | |
| Bundled Account | No | No | No | |
| FDIC-insured | Yes | Yes | Yes | |
| Online Only | Yes | Yes | No | |
| Compound Frequency | Daily | Daily | Daily | |
| Minimum Deposit | $0 | $0 | $0 | |
| Minimum Balance for APY | $0 | $0.01 | $0.01 | |
| Maintenance Fee | $0 | $4.50. Waived for average monthly balances > $500 | $4.50. Waived for average monthly balances > $500 | |
| Direct Deposit Required | No | No | No | |
| Eligibility | United States | Alaska, Alabama, Arkansas, Arizona, Colorado, Delaware, Florida (select parts), Georgia, Hawaii, Iowa, Idaho, Illinois (select parts), Indiana, Kansas, Kentucky, Louisiana, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Mexico, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia (partial), Washington (partial), Wisconsin, West Virginia, Wyoming. | California, Connecticut, Maryland, Nevada, New Jersey, New York, Virginia (partial), Washington D.C., and select parts of Florida and Illinois. In addition, promotional rates may be available if requirements are met. | |
| App Store Rating | 4.7/5 | 4.9/5 | ||
| Google Play Rating | 4.3/5 | 4.8/5 | ||
| BBB Rating | A+ | D- | ||
Comparative Historical APY Insights (Last 9 Months)
| Ally Bank | Citibank | |||
|---|---|---|---|---|
| Product | Savings Account | vs | Citi® Savings Account | Citi Accelerate Savings |
| Latest APY | 3.30 % | 0.03 % | 3.35 % | |
| Trend | Sideways | Sideways | Sideways | |
| Slope (bps/mo) | -4.1 | 0.0 | -4.8 | |
| Rate Changes / Mo | 0.52 | 0.00 | 0.52 | |
| Days Since Last Change | 13 | 289 | 9 | |
| High (-9 m) | 3.80 % | 0.03 % | 3.80 % | |
| Low (-9 m) | 3.30 % | 0.03 % | 3.35 % | |
| Draw-down from High | -13.2 % | 0.0 % | -11.8 % | |
| Volatility (CV) | 0.035 | 0.000 | 0.039 | |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 9 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 (-9 m)
- Highest APY in the last 289 days.
- Low (-9 m)
- Lowest APY in the last 289 days.
- Draw-down from High
- How far today sits below the 9-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.