American Express vs. SoFi Bank
Compare rates, requirements, and features side-by-side to find the best option for you.
American Express
High Yield Savings Account
3.40%APYDec 6, 2025FDIC InsuredNo MinimumsGreat iOS AppShow Fine Print & Trends Hide Details
American Express
High Yield Savings Account
SoFi Bank
SoFi Savings
Up to4.30%APYDec 6, 2025FDIC InsuredChecking BundleNo MinimumsGreat iOS AppGreat Android AppRange: 3.60% – 4.30%Show Fine Print & Trends Hide Details
SoFi Bank
SoFi Savings
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.
Comparison Analysis
Comparing American Express vs. SoFi Bank
Why American Express?
- ✓No checking account or direct deposit required
Why SoFi Bank?
- ✓Earn a $50 bonus with $1,000+ in direct deposits, or $300 with $5,000+.
- ✓Earn 0.50% APY on checking account with access to 55,000+ fee free ATMs
- ✓Higher potential APY (4.30% vs 3.40%) on all balances
- ✓Higher rated Android app (4.0 vs 3.6)
— Key Feature Differences —
Better Returns at $10,000
SoFi BankSoFi Bank's SoFi Savings earns more on smaller deposits (approx. $430 vs $340/yr).
Better Returns at $25,000
SoFi BankSoFi Bank's SoFi Savings pulls ahead with larger amounts (approx. $1075 vs $850/yr).
Best for Simplicity
American ExpressAmerican Express's High Yield Savings Account offers 3.40% APY with no bundling, direct deposit requirement or caps.
Best for All-in-One Banking
SoFi BankSoFi Bank's SoFi Savings pays a superior APY for customers who also open a checking account.
Best Mobile App Experience
American ExpressAmerican Express offers an iOS app rated 4.9 (vs. 4.8) and Android app rated 3.6 (vs. 4.0)
Shared Benefits
Over a 1-year period, SoFi Bank's SoFi Savings pays $90 more interest on a $10,000 balance than American Express's High Yield Savings Account.
Executive Summary
SoFi Bank's SoFi Savings account offers a competitive 4.30% APY, which includes a temporary 0.70% boost for six months, making it the higher-yield option compared to American Express's High Yield Savings Account at 3.40% APY. While SoFi's account requires a checking account bundle to access this rate, it also provides the flexibility of avoiding direct deposit by opting for a $10/month subscription fee. In contrast, American Express's account stands out for its simplicity, with no direct deposit requirement and no maintenance fees, making it a solid alternative for those seeking straightforward savings.
Analysis generated based on current Banksparency database records
* AI-generated content provided for informational purposes only. Accuracy is not guaranteed; always verify details with the provider.
Top Market Contenders
See who beats both American Express and SoFi Bank.
| Feature | American Express | SoFi Bank |
|---|---|---|
| APY | 3.40% Verified: 12/6/2025 ↘︎ 0.10%90d Change | 4.30% Range: 3.60% - 4.30% Verified: 12/6/2025 ↗︎ 0.50%90d Change |
| Product Name | High Yield Savings Account | SoFi Savings |
| Minimum Deposit | $0 | $0 |
| Min. Balance for APY | $0 | $0 |
| Monthly Fee | $0 | $0 |
| Branch Access | None | None |
| Account Type | Online Only | Online Only |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | Yes |
| Mobile Apps | iOS4.9 Android3.6 | iOS4.8 Android4.0 |
| BBB Rating | F | A+ |
| Important Notes | - | Limited offer: The 4.30% includes a temporary 0.70% APY boost for 6 months. It is available with a direct deposit of regular income, or a $10/month subscription. See terms at SoFi Bank. The savings account comes bundled with a checking account with a 0.50% APY. |
| Next Steps |
Savings Comparison
SoFi Bank earns $578.9 more than American Express.
American Express
High Yield Savings Account
Savings Breakdown
- Interest Earned+$2,050.50(10.2%)
- Total Contributions$13,000
- Initial Deposit$5,000
Projected Balance
$20,050.50
SoFi Bank
SoFi Savings
Savings Breakdown
- Interest Earned+$2,629.40(12.7%)
- Total Contributions$13,000
- Initial Deposit$5,000
Projected Balance
$20,629.40
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | American Express | SoFi Bank |
|---|---|---|
| High Yield Savings Account | SoFi Savings | |
Current APY | 3.40% | 4.30% |
Trend | Stable | Stable |
Velocity (bps/mo) | -3.3 | 7.1 |
Days Since Change | 10 | 24 |
10-Month High | 3.80% | 4.50% |
10-Month Low | 3.40% | 3.80% |
Adjustments / Mo | 0.38 | 0.28 |
Volatility Score | 0.030 | 0.074 |
How to read these metrics(Click to expand)
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