Comparison

Compoundee vs Cost Per Ounce Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Compoundee

This financial calculator helps users solve compound interest, annuity, and time value of money problems. Easily project savings and investments, adjust variables to meet financial goals, and understand the impact of inflation and taxes. Its user-friendly interface makes complex calculations accessible to everyone.

Highlights
  • Compound interest calculations
  • Annuity and TVOM solver
  • Goal-based financial planning
  • Inflation and tax adjustments
  • Amortization details per period
  • Email calculations
  • Save and bookmark calculations
Features
Currently charting
Read full description

Compoundee is the best compound interest calculator for the iPhone. Solving compound interest, annuity, and time value of money problems is easy with Compoundee! Use this financial calculator for your savings and investments to see how much money you’re going to make, or change variables to figure out what you need to achieve a goal. You don’t have to be a financial whiz to use it, either. You have a financial goal in mind; you know where you want to be in order to retire early. Unfortunately, you’re just not sure if your initial investment is enough to get you there. When you have Compoundee on your iPhone, those types of questions are answered. In no time at all, you’ll have the answer to how much an investment will be worth over a specific period of time, know what the necessary rate would be and the amount to make your periodic deposits in order to reach your time and money goals. You would think that a calculator that handles complex equations like these would be difficult to use but it’s not. The app’s interface is super simple, very user-friendly. No previous exposure to financial calculations is necessary to put Compundee to work for you. Everyone can take advantage of what this application has to offer. Very quickly and easily, you will have your compound interest, annuity, and time value of money (TVOM) equations solved for your savings and investments. Amortized interest totals per period, inflation and tax amounts, it’s all here. You can email your calculations to your accountant, spouse, investment broker – whoever you want. Check out the important features you get when you download Compoundee: • Clean, user-friendly interface • Solve for any of 5 different investment variables • Compound daily, quarterly, annually, & more • Periodic deposits or withdrawals • Inflation and tax adjusted amounts • Amortization shows per period interest • Account for extra annual deposits • Specify deposits at beginning or end of period • History of most recent entries for each input • Send calculations through email • Bookmark saved calculations for easy retrieval • See all your results in itemized detail • Two day-counting options • Offline user guide built right into the app. • Supports extremely large values • Supports long durations (thousands of years) • Doubles as a loan-payment calculator (select deposits tab; enter total as 0) • Passode lock with Touch ID • See results as you type • Optional number pad for input • Native iPad interface That early retirement may be closer than you think. Download Compoundee onto your iPhone now to find out.

About

Cost Per Ounce Calculator

Features
Read full description

Excellent tool for savvy price comparison shoppers! Now you can easily check if that coupon will really get you a good deal. Use this app to calculate the cost per ounce (of cereal or other foods) and compare that to the cost per ounce of other brands to find out which one truly offers the better deal per ounce.

Screenshots

Compoundee4 screens
Cost Per Ounce Calculator3 screens

Verdict

The call

The clearest difference is chart position: Compoundee at #111 against Cost Per Ounce Calculator's unranked. Compoundee also leads on price ($2.99 vs $3.99) and iOS requirement (10.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Compoundee costs $2.99 and Cost Per Ounce Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Compoundee ships an update every 4 months, Cost Per Ounce Calculator every 7 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 8 level
Compoundee versus Cost Per Ounce Calculator: the parameters behind the verdict, then further details
ParameterCompoundeeCost Per Ounce Calculator
Price$2.99 — better$3.99
Rating5.0 (128 ratings) — better—
Positive reviews97.0% of reviews—
Number of ratings128 — better—
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#111 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size19 MB0 MB
Age rating4+4+
DeveloperGoodHumansAnthony Tietjen

Bugs and requests

Compoundee

Reported bugs

2 issues
  • App closes every time it's opened
  • Calculations based on a 30/360 day convention lead to accuracy issues with shorter compounding periods and/or longer duration

Requested features

3 requests
  • UI update
  • Add withdrawal function
  • Update to address accuracy issue with 30/360 day convention

Cost Per Ounce Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Compoundee

No in-app purchases

None

Cost Per Ounce Calculator

No in-app purchases

Questions

Is Compoundee free?
Compoundee costs $2.99, with no in-app purchases.
Is Cost Per Ounce Calculator free?
Cost Per Ounce Calculator costs $3.99, with no in-app purchases.
Do Compoundee or Cost Per Ounce Calculator have ads?
Neither Compoundee nor Cost Per Ounce Calculator shows ads.
Which is updated more often, Compoundee or Cost Per Ounce Calculator?
Compoundee ships an update every 4 months, and Cost Per Ounce Calculator every 7 months. Most recently, Compoundee was updated on October 23, 2026 and Cost Per Ounce Calculator on October 13, 2026.

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