Comparison

ClevCalc vs CalcDraw

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

Head to head
About

ClevCalc

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Highlights
  • Scientific calculator
  • Unit converter
  • Currency converter
  • Loan calculator
  • Health calculator (BMI, BMR)
  • Date calculator
  • GPA calculator
Features
Read full description

This calculator allows you to easily handle all the calculations necessary for everyday life with a single application. A free calculator app with a clean interface and practical functions! List of calculators currently supported: 1. Calculator ( + Scientific Calculator ) • Supports the four fundamental arithmetic operations, square, root, parentheses and percentage operations. • Supports scientific operations such as trigonometric, exponential and logarithmic functions. • Possible to modify incorrectly entered expressions with a freely movable cursor. • Simple and easy. • History available. 2. Unit Converter • Supports length, weight, width, volume, time, temperature, pressure, speed, fuel efficiency, and the amount of data. • Supports all unit conversions commonly used in everyday life. 3. Currency Converter • Supports 135 currencies in the world, including dollar, euro, yen, yuan, etc. • Automatically calculates using the real time exchange rate. 4. Percentage Calculator • You can easily calculate the percentage increase or decrease. • You can also calculate what percentage one number is of another. 5. Discount Calculator • Get a discount price by entering the original price and the discount rate. 6. Loan Calculator • You can calculate the total interest and total payments by entering the loan principal and interest rate. 7. Date Calculator • A feature that calculates the specific date or anniversary to be remembered! 8. Health Calculator • You can measure the body mass index (BMI) and the basal metabolic rate (BMR). 9. Automobile Fuel Cost Calculator • You can calculate the fuel costs required for driving a car or traveling. • Enter a distance and a fuel efficiency to get a fuel cost. 10. Fuel Efficiency Calculator • Enter the amount of fuel used to get the fuel efficiency. 11. GPA Calculator • You can correctly calculate your GPA! 12. Tip Calculator • The tip amount to be added will be automatically calculated if you enter the billing amount and tip percentage. • There is a function not to calculate tips on tax. • You may calculate the amount per person by dividing final amount by the number of people. 13. Sales Tax Calculator • Get a total price by entering the original price and the tax rate. 14. Unit Price Calculator • Enter the price and the quantity and you will get the unit price. • You can compare unit prices of various goods. 15. World Time Converter • Transforms the time of 400 or more cities around the world. • Daylight savings time will also be reflected in this calculation. 16. Ovulation Calculator • Calculates the time of ovulation and fertility using the menstrual cycle! • You can also create notes by date. 17. Hexadecimal Converter • Converts between decimal and hexadecimal with ease and convenience. 18. Savings Calculator • If you enter deposit amount, interest rate and time period, the interest after tax and final savings balance will be calculated. [ Terms of Use ] https://www.apple.com/legal/internet-services/itunes/dev/stdeula [ Disclaimer ] Cleveni Inc. makes no warranty as to the accuracy or reliability or suitability of any calculation results or information provided through the ClevCalc app. Cleveni Inc. is not also responsible for any damages, direct or indirect, which may occur by the calculation results or information provided through the ClevCalc app.

About

CalcDraw

This free tool lets you write notes and perform calculations simultaneously. Easily capture ideas and share results instantly. Enjoy a smooth and intuitive math workflow.

Highlights
  • Write and solve math problems
  • Take notes alongside calculations
  • Instant sharing of results
  • Intuitive and stress-free workflow
  • Copy results to clipboard
Features
Read full description

Calc Draw is a simple calculator app that lets you take handwritten notes while you calculate. Enter numbers and formulas while freely writing on the same screen. It's perfect for shopping, splitting bills, estimating costs, brainstorming ideas, or any situation where calculations alone aren't enough. Write directly on the canvas using a pen or eraser, then share your notes as an image or PDF whenever you need. You can also copy and share calculations, results, and calculation history, making it easy to save and reuse your work. Features Use the calculator and handwriting canvas at the same time Pen, eraser, move tool, Undo & Redo Save calculation history Copy and share calculations and results Export the canvas as an image or PDF Supports Light Mode and Dark Mode Available in multiple languages Calc Draw is designed for people who want to keep calculations and handwritten notes together in one place, without switching between multiple apps.

Screenshots

ClevCalc4 screens
CalcDraw4 screens

Verdict

The call

The clearest difference is in-app purchases: CalcDraw at none against ClevCalc's 3. CalcDraw also leads on ads (none vs shown). ClevCalc's advantage is ratings volume (14K vs 4). On price, rating, update cadence 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

Both are free to download. ClevCalc sells 3 in-app purchases, starting at $2.99 per month. CalcDraw asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for ClevCalc against 4.8 for CalcDraw. That said, the two scores are not equally well evidenced: ClevCalc has 14K ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
ClevCalc versus CalcDraw: the parameters behind the verdict, then further details
ParameterClevCalcCalcDraw
PriceFreeFree
Rating4.7 (14K ratings)4.8 (4 ratings) — better
Positive reviews91.2% of reviews—
Number of ratings14K — better4
Update frequencyMonthlyMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size117 MB43 MB
Age rating4+4+
DeveloperCleveni Inc.dai kawaguchi

Customer experience

ClevCalc

All ratings13,801 ratings
Positive93.6%
Neutral2.7%
Negative3.7%
Written reviews1,414 reviews
Positive91.2%
Neutral2.5%
Negative6.3%

CalcDraw

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

ClevCalc

Reported bugs

2 issues
  • Keystrokes not always registering
  • Compatibility issues with older devices

Requested features

4 requests
  • Dark mode option
  • Ability to save/recall calculations
  • More customization options
  • Integration with other apps/platforms

CalcDraw

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

ClevCalc

Subscriptions2
  • Premium Subscription3 Days trial$2.991 Month
  • Premium Subscription3 Days trial$24.991 Year
One-time1
  • Premium version$13.99
None

CalcDraw

No in-app purchases

Questions

Is ClevCalc free?
ClevCalc is free to download, with in-app purchases available.
Is CalcDraw free?
CalcDraw is free to download, with no in-app purchases.
Which has better reviews, ClevCalc or CalcDraw?
CalcDraw is rated higher. ClevCalc averages 4.7 out of 5 from 14K ratings, while CalcDraw averages 4.8 from 4 ratings.
Do ClevCalc or CalcDraw have ads?
ClevCalc shows ads; CalcDraw does not.
Which is updated more often, ClevCalc or CalcDraw?
ClevCalc ships an update monthly, and CalcDraw monthly. Most recently, ClevCalc was updated on October 26, 2026 and CalcDraw on October 24, 2026.

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