# Scientific Calculator - CalCon — Calculate & convert everything

> Free multi-calculator and converter with over 150 specialized tools. (iPhone/iPad app by STAGE CODING, Travnik.)

- Source: https://appshunter.io/ios/app/scientific-calculator-calcon/id1582182462 (this page in markdown: same URL + `.md`)
- Developer: [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 4.71/5 from 14 App Store ratings · 9 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 50 MB
- Languages: English
- Released: 2021-10-11
- Data updated: 2026-07-07
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/scientific-calculator-calcon/id1582182462/reviews.md

## What is Scientific Calculator?

CalCon calculator - calculate and convert everything!

It's a FREE, complete, and easy-to-use multi calculator & converter.

What does it do?
Designed with simplicity in mind, it helps you solve everyday problems.
From simple or complex calculations to the unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it well!

CalCon calculator has a unique Drag&Drop feature where you are able to make your own calculator.

This is the PERFECT Calculator
Passionate development combined with constant feedback we receive from our users resulted in what we think is the best multi calculator in the store.
Featuring over 150 FREE Calculators and Unit Converters packed in with a Simple or Scientific Calculator, it's the only calculator you will need from now on your device.

Oh, and did we say it is completely FREE?
Yes, it is free. We think everyone should enjoy this.

If you are a student, teacher, engineer, handyman, contractor or just somebody who struggles with math & conversions, you really should give this one a try.
• Use it for simple or complex calculations
• Convert units or currencies in the same app
• Enjoy easier homework or school assignments
• Learn. See step by step solutions to your calculations

So, on with the features...

MAIN CALCULATOR
• Simple or Scientific layout
• Editable input & cursor
• Copy & Paste support
• Calculation history
• Memory buttons
• Function graphing
• Dec, Hex & Binary
• Floating calculator

150 CALCULATORS & CONVERTERS
• Algebra, Geometry, Unit Converters, Finance, Health & Misc
• Currency converter with 160 currencies (available offline)
• Instant results delivered as you type
• Step-by-step solution & formulas
• Smart search for faster navigation
• Create shortcuts on the home screen

Algebra
• Percentage calculator
• Proportion calculator
• Ratio calculator
• Average calculator - arithmetic, geometric and harmonic means
• Equation solver - linear, quadratic and equation system
• Combinations and permutations
• Decimal to fraction
• Fraction simplifier
• Prime number checker
• Greatest common factor & Lowest common multiple calculator
• Random number generator

Geometry
• Shape calculators for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse
• Body calculators for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid

Unit converters
• Acceleration converter
• Angle converter
• Length converter
• Energy converter
• Force converter
• Torque converter
• Area converter
• Volume converter
• Volumetric flow converter
• Weight converter
• Temperature converter
• Pressure converter
• Power converter
• Speed converter
• Mileage converter
• Time converter
• Digital storage converter
• Data transfer speed converter
• Numeric base converter
• Roman numerals converter
• Shoe size converter
• Ring size converter
• Cooking converter

Finance
• Currency converter with 160 currencies available offline
• Unit price calculator
• Sales tax calculator
• Tip calculator
• Loan calculator
• Simple / Compound interest calculator

Health
• Body mass index - BMI
• Daily calories burn
• Body fat percentage

Miscellaneous
• Age calculator
• Date calculator
• Time calculator
• Mileage calculator
• Ohm's law calculator - voltage, current, resistance and power

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Scientific and simple calculator layouts
- Over 150 specialized calculators
- Unit and currency conversion
- Offline currency converter
- Drag-and-drop custom calculator creation
- Step-by-step calculation solutions
- Function graphing

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual subscription | $4.99 | per year |
| Monthly subscription | $0.99 | per month |
| Monthly subscription | $0.99 | per month |
| Annual subscription | $4.99 | per year |


## Recent user reviews (9 of 9)

All indexed reviews: https://appshunter.io/ios/app/scientific-calculator-calcon/id1582182462/reviews.md

### 5/5 — Love this Calc

*2024-12-13*

This is so easy to use and saves me so much time and space. What a time saver!!!

### 5/5 — Cell Doubling Time

*2024-03-07*

Tracks correctly

### 5/5 — Cal con

*2024-01-18*

Ok

### 1/5 — Markup

*2023-12-22*

I don’t want to know the margin. Just the probability and price based up the % of the markup. This program is terribly flawed!

### 5/5 — Awesome

*2023-09-22*

This app is a maxis

### 5/5 — Amazing

*2023-09-12*

Works great

### 5/5 — Awesome app

*2023-07-14*

Have enjoyed this app very much as a contractor it helps in fast and efficient delivery of quotes

### 5/5 — Don’t hesitate!

*2022-12-13*

Great app for simplifying all of my calculations. 
Thank you!

### 5/5 — :)

*2022-07-23*

:) .. it is perfect !

## Frequently asked questions about Scientific Calculator

### Does CalCon have ads?

No, CalCon is ad-free, allowing for an uninterrupted user experience during calculations and conversions.

### What devices does CalCon support?

CalCon is available for iPhone, iPad, and iPod touch, providing a versatile tool across Apple devices.

### How often is CalCon updated?

The app was last updated on June 8, 2024, indicating active development and potential for new features or improvements.

### What is the age rating for CalCon?

CalCon has an age rating of 4+, making it suitable for a wide range of users, including younger students.

### Can I use the currency converter offline in CalCon?

Yes, the currency converter in CalCon supports 160 currencies and is available for offline use.

### What are the subscription options for CalCon?

CalCon offers monthly and annual subscriptions with free trial periods of 3 or 7 days, starting at $0.99/month or $4.99/year.

### What kind of specialized calculators does CalCon offer?

CalCon includes over 150 calculators covering Algebra, Geometry, Unit Converters, Finance, Health, and Miscellaneous categories.

### How does CalCon compare to other calculator apps?

CalCon stands out with its free offering, over 150 specialized tools, offline currency conversion, and a unique drag-and-drop custom calculator feature.

## Version history (last 5 releases)

### 1.1.11 — 2024-06-08

Bug fixes and improvements

### 1.1.10 — 2023-05-10

Bug fixes and improvements

### 1.1.9 — 2023-02-20

Bug fixes and improvements

### 1.1.8 — 2023-01-15

Bug fixes and improvements

### 1.1.7 — 2022-11-01

Bug fixes and improvements

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All apps by STAGE CODING, Travnik: https://appshunter.io/developer/1637068135

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*