Openbank vs. Synchrony Bank
High-Yield Savings Account Comparison
By Aviel Fahl|Last Updated: November 12, 2025
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Summary of Openbank vs. Synchrony Bank
Key Metrics at a Glance
| Feature | Openbank | Synchrony Bank |
|---|---|---|
| Top Savings APY | 4.20% High-Yield Savings Account | 3.80% High Yield Savings |
| Minimum to Open | $500 | $0 |
| Minimum Balance for Top APY | $0 | $0 |
Openbank
Strengths
- Openbank offers a higher APY of 4.20% compared to Synchrony Bank's 3.80%.
- No maintenance fees for Openbank's High-Yield Savings Account.
- Openbank requires a minimum deposit of only $500.
Potential Drawbacks
- Openbank has a lower App Store rating of 3.2 compared to Synchrony Bank's 4.8.
- Openbank is not BBB accredited, which may raise trust concerns.
- Openbank has no physical branches available.
Synchrony Bank
Strengths
- Synchrony Bank has a higher App Store rating of 4.8.
- No minimum deposit required for Synchrony Bank's High Yield Savings.
- Synchrony Bank has a Google Play rating of 4.5.
Potential Drawbacks
- Synchrony Bank's APY is lower at 3.80% compared to Openbank's 4.20%.
- Like Openbank, Synchrony Bank is not BBB accredited.
- Synchrony Bank has no physical branches available.
→ As of November 12, 2025 Openbank offers an APY of 4.20% for its High-Yield Savings Account, with a minimum balance of $0, compared to Synchrony Bank's 3.80% APY for its High Yield Savings account, with a minimum balance of $0.
→ Openbank yields $40 more than Synchrony Bank on a $10,000 balance after one year. Openbank pays $420, while Synchrony Bank pays $380 - an APY advantage for Openbank.
Calculate Savings Growth for Openbank vs Synchrony Bank
Openbank - High-Yield Savings Account
Total savings breakdown:
- Interest earned: $2,564.3 (12.47%)
- Total contributions: $13,000 (63.22%)
- Initial deposit: $5,000 (24.31%)
Your total balance
$20,564.30
Total balance: $20,564.3
Earnings: $2,564.3
Bank OverviewSynchrony Bank - High Yield Savings
Total savings breakdown:
- Interest earned: $2,305.9 (11.36%)
- Total contributions: $13,000 (64.02%)
- Initial deposit: $5,000 (24.62%)
Your total balance
$20,305.90
Total balance: $20,305.9
Earnings: $2,305.9
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Openbank's total earnings would be $258.4 higher than Synchrony Bank's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Openbank's vs Synchrony Bank's Savings Accounts
| Openbank | Synchrony Bank | ||
|---|---|---|---|
| Product | High-Yield Savings Account | vs | High Yield Savings |
| APY | 4.20% (as of 11/12/2025) | 3.80% (as of 11/12/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | Yes | |
| Compound Frequency | Monthly | Daily | |
| Minimum Deposit | $500 | $0 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $0 | |
| Direct Deposit Required | No | No | |
| App Store Rating | 3.2/5 | 4.8/5 | |
| Google Play Rating | 3.2/5 | 4.5/5 | |
| BBB Rating | Not Rated | Not Rated |
Comparative Historical APY Insights (Last 9 Months)
| Openbank | Synchrony Bank | ||
|---|---|---|---|
| Product | High-Yield Savings Account | vs | High Yield Savings |
| Latest APY | 4.20 % | 3.80 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.0 | -3.1 | |
| Rate Changes / Mo | 0.35 | 0.12 | |
| Days Since Last Change | 114 | 163 | |
| High (-9 m) | 4.75 % | 4.00 % | |
| Low (-9 m) | 4.20 % | 3.80 % | |
| Draw-down from High | -11.6 % | -5.0 % | |
| Volatility (CV) | 0.028 | 0.025 |
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 260 days.
- Low (-9 m)
- Lowest APY in the last 260 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.