Citibank vs. Discover Bank
High-Yield Savings Account Comparison
By Aviel Fahl|Last Updated: November 12, 2025
We earn a commission if you open an account through some links on this page.
Summary of Citibank vs. Discover Bank
Key Metrics at a Glance
| Feature | Citibank | Discover Bank |
|---|---|---|
| Top Savings APY | 3.35% Citi Accelerate Savings | 3.40% Online Savings Account |
| Minimum to Open | $0 | $0 |
| Minimum Balance for Top APY | $0.01 | $0 |
Citibank
Strengths
- Citi Accelerate Savings offers a competitive APY of 3.35%, slightly down from 3.40% last month.
- Citibank has a high App Store rating of 4.9.
Potential Drawbacks
- Citibank's BBB rating is D- and it is not BBB Accredited.
- Citi Accelerate Savings has a $4.50 maintenance fee unless a $500 balance is maintained.
Discover Bank
Strengths
- Discover Bank's Online Savings Account has an APY of 3.40%, unchanged from last month.
- Discover Bank has an excellent BBB rating of A+ and is BBB Accredited.
Potential Drawbacks
- Discover Bank has no physical branches.
→ As of November 12, 2025 Citibank offers an APY of 3.35% for its Citi Accelerate Savings account, with a minimum balance of $0.01, compared to Discover Bank's 3.40% APY for its Online Savings Account, with a minimum balance of $0.
→ Discover Bank yields $5 more than Citibank on a $10,000 balance after one year. Citibank pays $335, while Discover Bank pays $340 - an APY advantage for Discover Bank.
→ In addition, Citibank also offers 0.03% APY for the Citi® Savings Account account.
Calculate Savings Growth for Citibank vs Discover Bank
Citibank - 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 OverviewDiscover Bank - Online Savings Account
Total savings breakdown:
- Interest earned: $2,050.5 (10.23%)
- Total contributions: $13,000 (64.84%)
- Initial deposit: $5,000 (24.94%)
Your total balance
$20,050.50
Total balance: $20,050.5
Earnings: $2,050.5
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Citibank's total earnings would be $31.7 lower than Discover Bank's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Citibank's vs Discover Bank's Savings Accounts
| Citibank | Discover Bank | |||
|---|---|---|---|---|
| Product | Citi Accelerate Savings | Citi® Savings Account | vs | Online Savings Account |
| APY | 3.35% (as of 11/12/2025) | 0.03% (as of 11/12/2025) | 3.40% (as of 11/12/2025) | |
| Bundled Account | No | No | No | |
| FDIC-insured | Yes | Yes | Yes | |
| Online Only | Yes | No | Yes | |
| Compound Frequency | Daily | Daily | Daily | |
| Minimum Deposit | $0 | $0 | $0 | |
| Minimum Balance for APY | $0.01 | $0.01 | $0 | |
| Maintenance Fee | $4.50. Waived for average monthly balances > $500 | $4.50. Waived for average monthly balances > $500 | $0 | |
| Direct Deposit Required | No | No | No | |
| Eligibility | 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. | United States | |
| App Store Rating | 4.9/5 | 4.9/5 | ||
| Google Play Rating | 4.8/5 | 4.9/5 | ||
| BBB Rating | D- | A+ | ||
Comparative Historical APY Insights (Last 9 Months)
| Citibank | Discover Bank | |||
|---|---|---|---|---|
| Product | Citi® Savings Account | Citi Accelerate Savings | vs | Online Savings Account |
| Latest APY | 0.03 % | 3.35 % | 3.40 % | |
| Trend | Sideways | Sideways | Sideways | |
| Slope (bps/mo) | 0.0 | -4.8 | -4.0 | |
| Rate Changes / Mo | 0.00 | 0.52 | 0.42 | |
| Days Since Last Change | 289 | 9 | 44 | |
| High (-9 m) | 0.03 % | 3.80 % | 3.75 % | |
| Low (-9 m) | 0.03 % | 3.35 % | 3.40 % | |
| Draw-down from High | 0.0 % | -11.8 % | -9.3 % | |
| Volatility (CV) | 0.000 | 0.039 | 0.033 | |
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.