MutualOne Bank vs. Openbank
Comparing MutualOne Bank and Openbank for high-yield savings: MutualOne Bank's Mo Premium Savings pays 4.07% APY while Openbank's High-Yield Savings Account pays 4.09% APY.
See how they compare on rate stability, mobile app ratings, and more below.
The Bottom Line
Who pays more interest on $10,000? Openbank pays $409 more than MutualOne Bank annually ($409 vs $0).
Choose MutualOne Bank if you value in-person banking, mobile app quality matters, or you want Zelle for quick transfers. Choose Openbank if getting the best rate matters most.
| Metric | MutualOne BankMo Premium Savings Feb 21, 2026 | OpenbankHigh-Yield Savings Account Feb 21, 2026 |
|---|---|---|
| APY | 4.07% | 4.09% |
Est. Earnings | $5,000+$0 $10,000+$0 $25,000+$1,018 | $5,000+$205 $10,000+$409 $25,000+$1,023 |
Min Deposit | $20,000 | $500 |
Snapshot view. Rates subject to change. | ||
| Features | FDIC InsuredHigh MinimumGreat iOS AppGreat Android AppIn-Person AccessZelle® SupportedStable Rate | FDIC InsuredLow MinimumsRate Changes Often |
Comparison Analysis
Comparing MutualOne Bank vs. Openbank
Executive Summary
Openbank offers a High-Yield Savings Account with an APY of 4.09%, making it the winner compared to MutualOne Bank's Mo Premium Savings, which has an APY of 4.07%. Both accounts have no maintenance fees and do not require direct deposit. However, Openbank allows a minimum deposit of just $500, whereas MutualOne requires a minimum deposit of $20,000. For those looking for a secondary option, MutualOne also provides an Online Savings account with an APY of 0.40%, available online only. Notably, Openbank's account is designed to yield better returns at lower deposit amounts.
The analysis is based on current Banksparency database records
* This content is provided for informational purposes only; always verify details with the provider.
Why MutualOne Bank?
- ✓Physical branch access (Full-service banking offices in Framingham, MA, and Natick, MA)
- ✓Higher rated iOS app (4.9 vs 3.1)
- ✓Higher rated Android app (4.4 vs 2.6)
- ✓Fast transfers via Zelle®
Why Openbank?
No distinct advantages found vs MutualOne Bank.
— Key Feature Differences —
Better Returns at $10,000
OpenbankOpenbank's High-Yield Savings Account earns more on smaller deposits (approx. $409 vs $0/yr).
Best Mobile App Experience
MutualOne BankMutualOne Bank offers an iOS app rated 4.9 (vs. 3.1) and Android app rated 4.4 (vs. 2.6)
Shared Benefits
Over a 1-year period, Openbank's High-Yield Savings Account pays $2 more interest on a $10,000 balance than MutualOne Bank's Mo Premium Savings.
*This calculation assumes current rates remain consistent for 1 year and does not include temporary bonuses.
Non-sponsored link to official site
Non-sponsored link to official site
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MutualOne Bank vs. Openbank Savings Calculator
You earn $4 more with Openbank than MutualOne Bank on a $20,000 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.
MutualOne Bank
Mo Premium Savings
Savings Breakdown
- Interest Earned+$814.00(3.9%)
- Total Contributions$0
- Initial Deposit$20,000
Projected Balance
$20,814.00
Openbank
High-Yield Savings Account
Savings Breakdown
- Interest Earned+$818.00(3.9%)
- Total Contributions$0
- Initial Deposit$20,000
Projected Balance
$20,818.00
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
| Feature | MutualOne Bank | Openbank |
|---|---|---|
| APY | 4.07% Verified: 2/21/2026 Stable (90d) | 4.09% Verified: 2/21/2026 ↘︎ 0.11%90d Change |
| Product Name | Mo Premium Savings | High-Yield Savings Account |
| Minimum Deposit | $20,000 | $500 |
| Min. Balance for APY | $20,000 | $0 |
| Monthly Fee | $0 | $0 |
| Compound Frequency | Monthly | Monthly |
| Branch Access | Yes | None |
| Account Type | Online & Branches | Online Only |
| Physical Branches | Full-service banking offices in Framingham, MA, and Natick, MA | None |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | No |
| Mobile Apps | ||
| FDIC Insured | YesVerify FDIC | YesVerify FDIC |
| Zelle® Support | Available Verified via website and app descriptions. | Not Supported |
| BBB Rating | A+ | A- |
| Next Steps | Visit SiteVerify at MutualOne Bank Non-sponsored link to official site | Visit SiteVerify at Openbank Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | MutualOne Bank | Openbank | |
|---|---|---|---|
| Online Savings | Mo Premium Savings | High-Yield Savings Account | |
Current APY | 0.40% | 4.07% | 4.09% |
Trend | Stable | Stable | Stable |
Velocity (bps/mo) | 0.0 | -0.0 | -1.2 |
Days Since Change | 162 | 162 | 16 |
5-Month High | 0.40% | 4.07% | 4.20% |
5-Month Low | 0.40% | 4.07% | 4.09% |
Adjustments / Mo | 0.00 | 0.00 | 0.19 |
Volatility Score | 0.000 | 0.000 | 0.008 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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Compare MutualOne Bank's APY of 4.07% with other banks
| Bank Pair | Competitor APY | Min Deposit |
|---|---|---|
| MutualOne Bank vs Ally Bank | 3.20% | $0 |
| MutualOne Bank vs American Express | 3.30% | $0 |
| MutualOne Bank vs Axos Bank | 4.21% | $0 |
| MutualOne Bank vs Bank of America | 0.01% | $100 |
| MutualOne Bank vs Barclays | 3.85% | $0 |
| MutualOne Bank vs Capital One | 3.30% | $0 |
| MutualOne Bank vs Chase Bank | 0.01% | $0 |
| MutualOne Bank vs Chime | 3.00% | $0 |
| MutualOne Bank vs CIT Bank | 3.75% | $100 |
| MutualOne Bank vs Citibank | 3.20% | $0 |
| MutualOne Bank vs Discover Bank | 3.30% | $0 |
| MutualOne Bank vs EverBank | 3.90% | $0 |
| MutualOne Bank vs Marcus by Goldman Sachs | 3.65% | $0 |
| MutualOne Bank vs Newtek Bank | 4.20% | $0.01 |
| MutualOne Bank vs Pibank | 4.60% | $0 |
| MutualOne Bank vs SoFi Bank | 4.00% | $0 |
| MutualOne Bank vs Synchrony Bank | 3.50% | $0 |
| MutualOne Bank vs Varo Bank | 5.00% | $0 |
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| MutualOne Bank vs Wells Fargo | 0.05% | $25 |