Comparison

Calculator + vs Slope Calc

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

Head to head
About

Calculator +

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Highlights
  • Free basic and scientific calculator
  • Intuitive interface with equation and result display
  • Fraction and percent support
  • Advanced editing capabilities
  • Polynomial and linear equation solver
  • Graphing calculator
  • Unit conversion and geometric calculators
Features
Read full description

Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Slope Calc

Read full description

Why do we use slope calculator? Calculating the slope of a line is a bit tricky and lengthy task, we can use the slope calculator to calculate the slope “m” of a linear equation. You can calculate the following terms. Slope from the equation of a line. Slope from two points. What is the slope of a line? The slope of a line is the steepness of a line or a curve, some other names for the slope are “gradient, slant, and incline.” To calculate the slope, we use the following formula. General formula of the slope: Generally, we use the following formula to calculate the slope “m”. m = rise / run = (y2 – y1) / (x2 – x1)  1. “x1, x2, y1, and y2 are the points on which the line lies on the cartesian coordinate. 2. “m” is the slope. Topographies: This slope calculator has many features that make it unique compared to other calculators. Input field: The input fields are very easy to use and very flexible. Separate boxes are designed for the ease of the user. Erasing all input: The “reset” button allows you to erase all the input at once. Calculate button: To calculate the result just tap on the “calculate” button. It will navigate you to the result screen. Mathematical format: Throughout the result section, “LaTeX” is used. LaTeX is a mathematical format used for writing mathematical expressions that makes the output easier to understand. UI/UX: This application has an amazing UI/UX that provides a user-friendly environment. Anyone can use this slope calculator easily. How to use the slope calculator? The procedure to calculate the slope with steps is quite easier with the help of this Slope calculator. You just have to follow the below steps: 1.Select the input type, “Line equation” or “Two points”. 2.Enter the values in the dedicated input boxes. 3.Press the “Calculate” button. In this way, you will get the step-by-step solution of the input. Install this application and make the calculation easier.

Screenshots

Calculator +1 screens
Slope Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Slope Calc at none against Calculator +'s 12. Slope Calc also leads on ads (none vs shown). Calculator +'s advantage is update cadence (every 4 days vs every 34 months). On price, device support and iOS requirement 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. Calculator + sells 12 in-app purchases, starting at $4.99 per month. Slope Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator + ships an update every 4 days, Slope Calc every 34 months. The most recent releases landed on September 24, 2026 and June 5, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator + versus Slope Calc: the parameters behind the verdict, then further details
ParameterCalculator +Slope Calc
PriceFreeFree
Rating4.6 (10K ratings) — better—
Positive reviews84.9% of reviews—
Number of ratings10K — better—
Update frequencyEvery 4 days — betterEvery 34 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod, Mac — better
Requires iOS16.415.6 — better
Further details — not scored
Size48 MB19 MB
Age rating4+4+
DeveloperxNeat.comAbdul Rehman

Bugs and requests

Calculator +

Reported bugs

5 issues
  • Fraction calculator has TWO subtraction buttons and NO division button
  • Decimals seem to be changed to fraction with no apparent way of changing it back
  • Functionality is dropped by forcing you to the main menu every time you open it
  • Currency converter broken
  • Login screen freezes

Requested features

5 requests
  • Add mod function
  • Add commas
  • Add 1/x function
  • Support for Retina Display
  • Add number 4 with two lines

Slope Calc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Calculator +

Subscriptions2
  • Scientific Calculator3 Days trial$4.991 Month
  • Calculator7 Days trial$39.991 Year
One-time10
  • Linear Calculator$2.99
  • Factoring Calculator$2.99
  • Handwriting Calculator$2.99
Show 7 more
  • Currency Converter$2.99
  • Themes Pack$2.99
  • Graphing Calculator$3.99
  • Fraction Calculator$3.99
  • Scientific Calculator$4.99
  • Calculator Plus$4.99
  • Calculator$16.99
None

Slope Calc

No in-app purchases

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Slope Calc free?
Slope Calc is free to download, with no in-app purchases.
Do Calculator + or Slope Calc have ads?
Calculator + shows ads; Slope Calc does not.
Which is updated more often, Calculator + or Slope Calc?
Calculator + ships an update every 4 days, and Slope Calc every 34 months. Most recently, Calculator + was updated on September 24, 2026 and Slope Calc on June 5, 2026.

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