Betterment vs. Newtek Bank
Betterment's Cash Reserve pays 4.00% APY while Newtek Bank's Personal High Yield Savings pays 4.20% APY.
See how they compare on rate stability, mobile app ratings, and more below.
The Bottom Line
Who pays more interest on $10,000? Newtek Bank pays $76 more than Betterment annually ($420 vs $344).
Choose Betterment if you're an Android user, or choose Newtek Bank if getting the best rate matters most.
| Metric | BettermentCash Reserve Aug 21, 2026 | Newtek BankPersonal High Yield Savings Aug 21, 2026 |
|---|---|---|
| APY | 3.25% - 4.00% | 4.20% |
Est. Earnings | $5,000+$172 $10,000+$344 $25,000+$859 | $5,000+$210 $10,000+$420 $25,000+$1,050 |
Min Deposit | $0 | $100 |
Snapshot view. Rates subject to change. | ||
Terms | - | Newtek Bank has paused new applications for this account. New customers can only join a waitlist. The advertised APY applies to existing accounts. |
| Features | FDIC InsuredNo MinimumsGreat iOS AppGreat Android App | FDIC InsuredLow MinimumsGreat iOS AppGreat Android AppDaily CompoundingStable Rate |
Prefer In-Person Banking?
Both of these institutions are online-only. If you need in-branch access, check out our list of savings accounts with brick-and-mortar locations.
Comparison Analysis
Comparing Betterment vs. Newtek Bank
Executive Summary
A detailed summary for this comparison is being prepared. Check back soon.
The analysis is based on current Banksparency database records
* This content is provided for informational purposes only; always verify details with the provider.
Why Betterment?
- ✓Higher rated Android app (4.7 vs 4.1)
Why Newtek Bank?
- ✓Higher potential APY (4.20% vs 4.00%) on all balances
Key Feature Differences
Better Returns at $10,000
Newtek BankNewtek Bank's Personal High Yield Savings earns more on smaller deposits (approx. $420 vs $344/yr).
Better Returns at $25,000
Newtek BankNewtek Bank's Personal High Yield Savings pulls ahead with larger amounts (approx. $1050 vs $859/yr).
Best for Simplicity
Newtek BankNewtek Bank's Personal High Yield Savings offers 4.20% APY with no bundling, direct deposit requirement or caps.
Best Mobile App Experience
BettermentBetterment offers an iOS app rated 4.8 (vs. 4.5) and Android app rated 4.7 (vs. 4.1)
Shared Benefits
Over a 1-year period, Newtek Bank's Personal High Yield Savings pays $76 more interest on a $10,000 balance than Betterment's Cash Reserve.
*This comparison accounts for Betterment's introductory promotional rate, yet Newtek Bank's standard rate still yields a higher 1-year return.
Non-sponsored link to official site
Non-sponsored link to official site
Top Market Contenders
Betterment vs. Newtek Bank Savings Calculator
You earn $74.9 more with Newtek Bank than Betterment 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.
Betterment
Cash Reserve
Savings Breakdown
- Interest Earned+$345.10(3.3%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,345.10
Newtek Bank
Personal High Yield Savings
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.
Still banking with Chase, Bank of America, or Wells Fargo?
On a $10,000 balance, you're missing out on at least $343 per year in interest.
Both Betterment and Newtek Bank dramatically outperform the typical 0.01% APY at traditional big banks.
| Feature | Betterment | Newtek Bank |
|---|---|---|
| APY | 4.00% Range: 3.25% - 4.00% Verified: 8/21/2026 - | 4.20% Verified: 8/21/2026 - |
| Product Name | Cash Reserve | Personal High Yield Savings |
| Minimum Deposit | $0 | $100 |
| Min. Balance for APY | $0 | $0.01 |
| Monthly Fee | $0 | $0 |
| Compound Frequency | N/A | Daily |
| In-Branch Access | No | No |
| Account Type | Online Only | Online Only |
| Physical Branches | None | None |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | No |
| Mobile Apps | ||
| FDIC or NCUA Insured | Yes | YesVerify FDIC |
| Zelle® Support | Not Supported | Not Supported |
| BBB Rating | A- | A+ |
| Important Notes | - | Newtek Bank has paused new applications for this account. New customers can only join a waitlist. The advertised APY applies to existing accounts. |
| Next Steps | Visit SiteVerify at Betterment Non-sponsored link to official site | Visit SiteVerify at Newtek Bank Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | Betterment |
|---|---|
| Cash Reserve | |
Current APY | 4.00% |
Trend | Stable |
Velocity (bps/mo) | 1.8 |
Days Since Change | 115 |
7-Month High | 4.00% |
7-Month Low | 3.90% |
Adjustments / Mo | 0.14 |
Volatility Score | 0.013 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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Compare Betterment's APY of 4.00% with other banks
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|---|---|---|
| Betterment vs Ally Bank | 3.00% | $0 |
| Betterment vs American Express | 3.00% | $0 |
| Betterment vs Axos Bank | 4.21% | $0 |
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| Betterment vs Capital One | 3.50% | $0 |
| Betterment vs Chime | 3.75% | $0 |
| Betterment vs CIT Bank | 3.75% | $100 |
| Betterment vs EverBank | 3.90% | $0 |
| Betterment vs Marcus by Goldman Sachs | 3.40% | $0 |
| Betterment vs Openbank | 3.80% | $500 |
| Betterment vs Pibank | 4.10% | $0 |
| Betterment vs SoFi Bank | 3.80% | $0 |
| Betterment vs Synchrony Bank | 3.30% | $0 |
| Betterment vs Varo Bank | 3.75% | $0 |
| Betterment vs Wealthfront | 3.95% | $0 |