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APR vs APY: The Difference and Why It Matters

Written by:  Abraham Jimoh
|
Last updated: May 6, 2024
  • APR, or Annual Percentage Rate, signifies the true cost of borrowing money, incorporating not just the interest rate but additional fees.
  • On the other hand, APY, or Annual Percentage Yield, focuses on the potential earnings of savings, investments, or other interest-bearing financial products considering compound interest.
  • Unlike APR, which focuses on the cost of borrowing, APY is all about showcasing the potential return on your money, factoring in compound interest.
  • Understanding APR and APY matters because it helps you make better financial decisions. When borrowing, you want to know the real cost. When saving or investing, you want to know how much you’ll actually earn.

What is APR?

APR stands for Annual Percentage Rate. It is a measure used to express the true cost of borrowing on an annual basis.

APR includes not only the interest rate on the loan but also any additional fees or costs associated with obtaining the loan. In simple terms, APR gives you a more comprehensive picture of how much a loan will cost you.

In essence, while the interest rate represents the cost of borrowing the principal amount, the APR provides a more comprehensive picture by factoring in all associated fees.

This makes APR a more accurate indicator of the overall expense you will incur when taking out a loan.

Understanding APR is vital for borrowers because it helps them compare different loan offers more effectively.

For instance, two loans might have the same interest rate, but if one has higher fees, its APR will be higher, indicating a higher overall cost for the borrower.

APR acts as a financial compass, guiding borrowers towards a better understanding of the genuine cost associated with borrowing money, beyond just the interest rate. 

This knowledge empowers individuals to make more informed financial decisions, choosing loans that align with their budget and financial goals.

How does APR work?

If you’re borrowing money, the APR is like a summary of all the costs involved. It includes the interest rate, as well as any other fees the lender may charge.

The APR helps you compare different loan offers more easily because it shows the total cost of borrowing.

APR works as a comprehensive metric by combining the interest rate with all associated fees, allowing borrowers to make informed decisions when choosing a loan.

Here’s a breakdown of how APR works:

For Example

Suppose you are comparing two loans:

Loan A has an interest rate of 4% with no additional fees.

Loan B has an interest rate of 3.5% but comes with a $200 processing fee.

While Loan B has a lower interest rate, the inclusion of the processing fee might make its APR higher than that of Loan A. This demonstrates how APR provides a more accurate reflection of the total cost of borrowing. 

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What is APY? 

APY stands for Annual Percentage Yield. While APR is used for loans, APY is used for savings accounts and investments. APY takes into account not just the interest rate but also the frequency of compounding, giving you a better idea of how much you’ll earn or owe over time.

In essence, APY serves as a valuable tool if you are looking to maximize your earnings on savings or investments. The metric takes into account not only the interest rate but also the impact of compounding, providing a more realistic representation of the growth potential of your money over time. 

Understanding APY is crucial for making informed decisions about where to park your savings or invest your money. 

How does APY work?

Think of APY as the total return you get on your savings or investments, including interest and the effects of compounding.

Compounding is like earning interest on your interest, which can make your money grow faster.

For Example:

Suppose you deposit $1,000 in a savings account with a 4% interest rate that compounds quarterly. The APY would be slightly higher than 4% because of the compounding effect.

If it is compounded monthly or daily, the APY would be even higher, reflecting the increased frequency of compounding.

APR vs APY: How they Differ 

The main difference is what they’re used for. APR is used for loans, showing the total cost, while APY is for used for savings and investments, showing the total return.

Another key difference is that APY considers compounding, while APR does not.

Below is a side-by-side comparison that sheds more light on the differences between these two important financial metrics:

AspectAnnual Percentage Rate
(APR)
Annual Percentage Yield
(APY)
Purpose of MeasurementPrimarily used for loans. Represents the total cost of borrowing, including interest rate and additional fees.Used for savings accounts, investments, or interest-bearing products.
Showcases the total potential return on money, factoring in interest rate and compounding.
Inclusion of CompoundingDoes not consider compounding. Provides a straightforward representation of the annualized cost of borrowing.Incorporates compounding, reflecting the total potential earnings on savings or investments. The more frequent the compounding, the higher the APY.
Standardization for ComparisonStandardized across lenders for loans. Facilitates easy comparison of different loan offers. Ensures transparency in assessing the cost of borrowing.Standardized across savings accounts and investments. Allows individuals to compare the potential returns on different financial products. Considers both interest rate and compounding frequency.
Focus on Borrowing vs. SavingConcentrates on the cost incurred when borrowing money. Used by borrowers to evaluate loan options and choose the most cost-effective one.Focuses on the potential earnings when saving or investing money. Used by savers and investors to assess the growth of funds over time, considering interest rate and compounding effects.
Example ComparisonFor a loan with a 5% interest rate and $100 in fees, the APR would factor in both to provide a clear picture of the overall cost of borrowing.For a savings account with a 3% interest rate that compounds quarterly, the APY would showcase the potential total return, factoring in both the interest rate and the compounding frequency.

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Why it Matters

Understanding APR and APY matters because it helps you make better financial decisions. When borrowing, you want to know the real cost.

When saving or investing, you want to know how much you’ll actually earn. 

Below is a breakdown of why these metrics matter: 

Why it Matters Annual Percentage Rate
(APR)
Annual Percentage Yield
(APY)
Informed Decision-MakingWhen obtaining a loan, APR helps borrowers compare total costs and make informed decisions.For savers and investors, APY ensures awareness of potential earnings, aiding in product selection.
Transparency and Fair ComparisonAPR prevents misleading loan offers by standardizing the measurement and including all costs.APY standardization allows accurate comparison of potential returns by factoring in interest and compounding.
Effective BudgetingAPR aids effective budgeting for borrowers by providing a realistic view of the total cost of borrowing.APY assists savers in planning for the future by estimating the growth of savings over time.
Long-Term Financial PlanningAPR influences long-term financial planning by impacting the overall cost of loans.APY plays a vital role in long-term financial planning for wealth building through savings or investments.
Avoiding Financial PitfallsAPR helps borrowers avoid potential financial pitfalls by ensuring awareness of hidden fees or unfavorable terms.APY guides individuals away from financial products with seemingly high rates but infrequent compounding.

Both APR and APY are critical in different financial contexts, providing valuable insights that empower individuals to make sound financial decisions, whether they are borrowing or saving.

Understanding these metrics is key to achieving financial goals and navigating the complexities of the financial landscape.

Frequently Asked Questions

Can APR and APY be the same?

No, they measure different things. APR is for the cost of borrowing, while APY is for the return on savings or investments.

Why does compounding matter in APY?

Compounding means you earn interest on your interest. It can significantly impact your total earnings on savings or investments.

Which one should I pay more attention to when getting a loan?

Both are important. APR gives the overall cost but also considers the loan terms and your needs.

Is a higher APY always better for savings?

Yes, a higher APY means more earnings. But also check for any fees and terms associated with the savings account or investment.

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Abraham is a savvy financial analyst, trader, and writer, leveraging a Google certification in data analytics alongside a Bachelor's degree in Economics to navigate and excel in the dynamic landscape of finance. Abraham boasts exceptional analytical skills and market research prowess, evidenced by a remarkable three-month winning streak trading bitcoin futures without a single loss, earning him recognition on Binance USD-M crypto futures' top 200 weekly charts. Currently serving as the Assisting Country Manager for Financer US, Abraham combines practical expertise with a passion for demystifying finance.

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