Compoundee vs Cost Per Ounce Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Cost Per Ounce Calculator
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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
Verdict
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
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.
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.
| Parameter | Compoundee | Cost Per Ounce Calculator |
|---|---|---|
| Price | $2.99 — better | $3.99 |
| Rating | 5.0 (128 ratings) — better | — |
| Positive reviews | 97.0% of reviews | — |
| Number of ratings | 128 — better | — |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #111 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | GoodHumans | Anthony 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
Compoundee
No in-app purchases
Cost Per Ounce Calculator
No in-app purchases
Questions
Is Compoundee free?
Is Cost Per Ounce Calculator free?
Do Compoundee or Cost Per Ounce Calculator have ads?
Which is updated more often, Compoundee or Cost Per Ounce Calculator?
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