Citibank vs. Openbank
Compare rates, requirements, and features side-by-side to find the best option for you.
| Metric | CitibankCiti Accelerate Savings Jan 7, 2026 | OpenbankHigh-Yield Savings Account Jan 7, 2026 |
|---|---|---|
| APY | 3.30% | 4.20% |
Est. Earnings | $5,000+$165 $10,000+$330 $25,000+$825 | $5,000+$210 $10,000+$420 $25,000+$1,050 |
Min Deposit | $0 | $500 |
Snapshot view. Rates subject to change. | ||
Terms | Eligibility restricted to select states. | - |
| Features | FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® Supported | FDIC InsuredLow Minimums |
Prefer In-Person Banking?
Both of these banks are online-only. If you need physical branch access, check out our list of high-yield accounts with brick-and-mortar locations.
As of Citibank offers an APY of 3.30% for its Citi Accelerate Savings account, with a minimum balance of $0.01, compared to Openbank's 4.20% APY for its High-Yield Savings Account, with a minimum balance of $0.
Openbank pays $90 more than Citibank on a $10,000 balance after one year. Citibank pays $330, while Openbank pays $420 - an APY advantage for Openbank.
In addition, Citibank also offers 0.03% APY for the Citi® Savings Account account, with a minimum balance of $0.01.
Why Citibank?
- ✓Physical branch access (U.S. branches are concentrated in six metropolitan areas, New York City, Chicago, Los Angeles, San Francisco, Washington, D.C., and Miami.)
- ✓Higher rated iOS app (4.9 vs 3.1)
- ✓Higher rated Android app (4.8 vs 2.9)
- ✓Fast transfers via Zelle® (up to $2,500 a day)
Why Openbank?
- ✓Higher potential APY (4.20% vs 3.30%) on all balances
- ✓Available Nationwide
— Key Feature Differences —
Better Returns at $10,000
OpenbankOpenbank's High-Yield Savings Account earns more on smaller deposits (approx. $420 vs $330/yr).
Better Returns at $25,000
OpenbankOpenbank's High-Yield Savings Account pulls ahead with larger amounts (approx. $1050 vs $825/yr).
Best for Simplicity
OpenbankOpenbank's High-Yield Savings Account offers 4.20% APY with no bundling, direct deposit requirement or caps.
Best Mobile App Experience
CitibankCitibank offers an iOS app rated 4.9 (vs. 3.1) and Android app rated 4.8 (vs. 2.9)
Shared Benefits
Over a 1-year period, Openbank's High-Yield Savings Account pays $90 more interest on a $10,000 balance than Citibank's Citi Accelerate Savings.
*This calculation assumes current rates remain consistent for 1 year and does not include temporary bonuses.
Executive Summary as of
Openbank offers a High-Yield Savings Account with a competitive APY of 4.20%, significantly higher than Citibank's Citi Accelerate Savings, which provides an APY of 3.30%. Openbank's account requires a minimum deposit of $500 but has no maintenance fees, making it a straightforward option for savers. Citibank's account, while yielding less, is available in select states and has a maintenance fee of $4.50, waived for balances over $500. Both banks do not require direct deposit, but Openbank's higher APY positions it as the more attractive choice for savers seeking better returns.
The analysis is based on current Banksparency database records
* This content is provided for informational purposes only; always verify details with the provider.
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Citibank vs. Openbank Savings Calculator
You earn $90 more with Openbank than Citibank on a $10,000 initial deposit for 1 year*.
*This calculation assumes that APYs remain unchanged for 1 year, and takes into account known promo rate periods, but does not factor in bonuses. You can see how often these banks have changed their rates in the Compare Savings Rates Over Time section below.
Citibank
Citi Accelerate Savings
Savings Breakdown
- Interest Earned+$330.00(3.2%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,330.00
Openbank
High-Yield Savings Account
Savings Breakdown
- Interest Earned+$420.00(4.0%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,420.00
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
| Feature | Citibank | Openbank |
|---|---|---|
| APY | 3.30% Verified: 1/7/2026 ↘︎ 0.10%90d Change | 4.20% Verified: 1/7/2026 Stable (90d) |
| Product Name | Citi Accelerate Savings | High-Yield Savings Account |
| Minimum Deposit | $0 | $500 |
| Min. Balance for APY | $0.01 | $0 |
| Monthly Fee | $4.50. Waived for average monthly balances > $500 | $0 |
| Branch Access | None | None |
| Account Type | Online Only | Online Only |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | No |
| Mobile Apps | iOS4.9 Android4.8 | iOS3.1 Android2.9 |
| Zelle® Support | Available Limit: $2,500/dayTiered limits based on account status (Citigold higher). | Not Supported |
| BBB Rating | D- | Not Rated |
| Important Notes | Eligibility restricted to select states. | - |
| Next Steps | Visit SiteVerify at Citibank Non-sponsored link to official site | Visit SiteVerify at Openbank Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | Citibank | Openbank | |
|---|---|---|---|
| Citi® Savings Account | Citi Accelerate Savings | High-Yield Savings Account | |
Current APY | 0.03% | 3.30% | 4.20% |
Trend | Stable | Stable | Stable |
Velocity (bps/mo) | 0.0 | -4.7 | -2.9 |
Days Since Change | 314 | 50 | 169 |
10-Month High | 0.03% | 3.80% | 4.75% |
10-Month Low | 0.03% | 3.30% | 4.20% |
Adjustments / Mo | 0.00 | 0.57 | 0.29 |
Volatility Score | 0.000 | 0.043 | 0.026 |
How to read these metrics(Click to expand)
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