Frankenmuth Credit Union Credit Card Rates

How Frankenmuth Credit Union’s credit card rates compare

Compared with banks and credit unions near Saginaw, MI, where Frankenmuth Credit Union has the most branches. Ongoing purchase APR, lowest first.

This credit union’s lowest
Frankenmuth Credit Union
8.99%APR
Platinum Mastercard
Lowest rate
Family First Credit Union
8.90%APR
Family First Credit Union rates
2nd-lowest rate
Security Credit Union
8.90%APR
Security Credit Union rates

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Credit card score

Higher than 82% of U.S. banks and credit unions

By rate

Purchase APRPurchase APR8.99%

Each track runs from the highest to the lowest rate among U.S. banks and credit unions; the dot is this rate.

How the score works →

Where Frankenmuth Credit Union ranks

By credit card score, in each area where it has branches

Every rate

Current credit card rates

Rates from the credit union’s website. Most are “as low as” rates for the best credit; yours depends on your credit.

Diamond Mastercard

Federally insured by NCUA. Underwriting qualifications apply. 2% Foreign Transaction Fee involving currency conversion may apply. No annual fee. Earns 2.0% cash back on all purchases.

Applies to	APR	Annual fee	Conditions
Intro, 12 months	6.90%	None	Brand new Diamond cards/Diamond Mastercard Credit Card will receive promotional rate on brand-new purchases for 12 months for credit scores 550 or higher.
Intro, 12 months	12.90%	None	Brand new Diamond cards/Diamond Mastercard Credit Card will receive promotional rate on brand-new purchases for 12 months for credit scores 549 or lower/less.
Ongoing	6.90%	None	For credit score of 550 or higher with accounts in good standing at FCU; rate applies for the life of the balance transfer amount. No balance transfer fee. No payment for the first 90 days (interest will accrue).
Ongoing	12.90%	None	For credit score of 549 or less/lower; rate applies for the life of the balance transfer amount. No balance transfer fee. No payment for the first 90 days (interest will accrue).
Ongoing	10.00%	None	Ongoing purchase APR for credit score 550 or higher. APR as low as 10% (listed as 10% in table).
Ongoing	17.00%	None	Ongoing purchase APR for credit score 549 or lower.

Sources (2)

All captured Oct 5, 2026

Platinum Mastercard

Federally insured by NCUA. Underwriting qualifications apply. 2% Foreign Transaction Fee involving currency conversion may apply. No annual fee. No cash advance fee. No balance transfer fee. Earns ScoreCard reward points.

Applies to	APR	Annual fee	Conditions
Intro, 12 months	6.90%	None	Brand new Simply Platinum cards will receive promotional rate on brand-new purchases for 12 months for credit scores 636 or higher.
Intro, 12 months	12.90%	None	Brand new Simply Platinum cards will receive promotional rate on brand-new purchases for 12 months for credit scores 635 or lower.
Ongoing	6.90%	None	For credit score of 636 or higher with accounts in good standing at FCU; rate applies for the life of the balance transfer amount. No balance transfer fee. No payment for 90 days (interest will accrue).
Ongoing	12.90%	None	For credit score of 635 or less; rate applies for the life of the balance transfer amount. No balance transfer fee. No payment for 90 days (interest will accrue).
Ongoing	8.99%	None	Ongoing purchase APR as low as 8.99%. Stated as 8.99% in table and disclosure as new purchases may be as low as 8.99% APR*.

Sources (3)

All captured Oct 5, 2026

Who can join Frankenmuth Credit Union

This may be incomplete or out of date, so check with the credit union before you apply.

Where you live or work

Anyone who lives, works, or worships in the state of Michigan is eligible to join.

Military, government and schools

Anyone who was educated in the state of Michigan is eligible to join.

Family and household

Relatives of a present Frankenmuth Credit Union member are eligible to join.

Membership information collected October 5, 2026.

Check membership requirements ↗Branches and institution details

← Frankenmuth Credit Union overview