Savings vs. Checking Accounts: Which Should You Use?

With up to a 4.07% APY*, build your savings faster with the checking account that gives you more.
Take advantage of a checking account with up to a 4.07% APY*. A Kasasa Cash Checking Account can earn you higher dividends – up to $50,000 – and charges less fees, so you can save more money.
In June 2025, Peak members with Kasasa Cash checking accounts earned an average of nearly $40**!
Join now by opening your account online, calling us at (800) 258-3115, or stopping by any of our neighborhood branches to get started.
Enroll in our Round Up & Save program and any purchases you make with your Peak Visa® Debit Card will be rounded up to the nearest dollar, the difference of which we will deposit into your savings account — making this an easy way to build more savings.
Have more questions? Check out the Frequently Asked Questions for Kasasa Cash checking.
Increase your earnings momentum at Peak Credit Union. Kasasa Saver puts saving on autopilot with a high interest saver account linked to your Kasasa Cash checking account. The rewards earned on checking and ATM fee refunds are automatically deposited into the saver account and then additional interest is piled on top.
Rates as of: 7/1/25
*APY = Annual Percentage Yield. APY is variable. Rates, terms, and conditions accurate as of 07/01/25 and are subject to change. Fees may reduce earnings. The terms applicable to your Deposit Accounts at TwinStar are provided in the Membership and Account Agreement. Prime/Regular Savings requires $100 minimum daily balance to earn dividends. Other savings may not require a minimum balance to earn dividends. An adult 18 or over must accompany a minor as a joint account owner on any minor accounts. Dividends are calculated by the daily balance method which applies a daily periodic rate to the balance in the account each day. Dividends are compounded monthly and will be credited monthly.
Kasasa Cash: Opening balance of $25 required. APY assuming a maximum $100,000 in 2nd tier. Kasasa Cash will be credited to your Kasasa Saver account on the last day of the monthly statement cycle.
Kasasa Cash Back: Earn 1% cash back on debit card purchases with a maximum of $5 per qualification cycle.
** Avg. June 2025 Reward (interest expense) for qualifying accounts = $39.56. Qualified members earned between $0.01-$396.54. Non-qualified members earned an average of $0.36. Calculations provided by Kasasa for the month of June 2025.