Calculator + vs Cuspart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Cuspart
This app offers a professional-grade calculator with advanced math functions, a constants library, and intuitive history tracking. Customize your experience with various color themes and an accessible interface designed for ease of use.
- Basic and advanced arithmetic
- Roots, powers, and logarithms
- Constants library (π, e)
- Operation history
- Customizable color themes
- Accessible UI design
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Cuspart: myCal is a clear, focused calculator for everyday math, scientific calculations, and unit conversions. From a quick calculation to a complex expression, myCal keeps everything readable in one polished workspace. SWITCH MODES WITHOUT THE FRICTION Move between Standard, Scientific, and Convert modes whenever you need them. Start in Scientific mode with advanced tools ready to use, or return to your last workspace instantly. CALCULATE WITH CLARITY * Add, subtract, multiply, and divide with confidence. * Build expressions with parentheses and proper order of operations. * Use percentages, negative values, memory keys, and quick delete. * Keep the full expression visible while you type. * Read results clearly with smart number formatting. * Fix mistakes without restarting your calculation. SCIENTIFIC TOOLS, READY TO GO * Trigonometric functions with degrees and radians. * Square, cube, and arbitrary powers. * Square, cube, and nth roots. * Logarithms including log10, log2, and ln. * Exponentials including 10^x and e^x. * Reciprocals, factorials, absolute values, floor, ceiling, and sign functions. * Hyperbolic functions for advanced calculations. * Instant access to π and e. CONVERT UNITS IN ONE PLACE Convert everyday and technical units without leaving the calculator. * Length, area, weight, volume, temperature, and speed. * Data, energy, time, pressure, force, and power. * Frequency, fuel economy, voltage, resistance, and illuminance. * Concentration and other useful categories. * Currency conversion with clear rate status when rates are available. YOUR HISTORY, AT A GLANCE Keep every expression and result within reach. Review previous calculations, copy useful answers, delete individual entries, or clear your history whenever you want a fresh start. MAKE IT YOURS Choose a look and feel that fits your workflow. * Light, dark, or system appearance. * Calculator fonts designed for clear numbers. * Multiple color palettes. * Custom key colors with Pro. * Large touch targets and readable typography. OPTIONAL PRO FEATURES Upgrade to Pro for custom key colors, additional font styles, exclusive color presets, offline access, and an ad-free workspace — all with a one-time purchase. BUILT FOR FOCUS Cuspart: myCal combines the familiarity of a traditional calculator with the power of a scientific workspace. Whether you're studying, working, converting units, or handling everyday math, myCal keeps your calculations clear, fast, and organized.
Screenshots
Verdict
The clearest difference is update cadence: Calculator + at every 4 days against Cuspart's every 4 months. Calculator + also leads on ratings volume (10K vs 1). Cuspart's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model 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
Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month and Cuspart sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Cuspart holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 1, so its average is the more settled of the two.
Calculator + ships an update every 4 days, Cuspart every 4 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.
| Parameter | Calculator + | Cuspart |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 84.9% of reviews | — |
| Number of ratings | 10K — better | 1 |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 13 MB |
| Age rating | 4+ | 12+ |
| Developer | xNeat.com | Mustafa Tolga DALBUDAK |
Customer experience
Calculator +
Cuspart
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
Cuspart
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator +
- Scientific Calculator3 Days trial$4.991 Month
- Calculator7 Days trial$39.991 Year
- Linear Calculator$2.99
- Factoring Calculator$2.99
- Handwriting Calculator$2.99
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- 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
Cuspart
- 1 Month Subscription$0.991 Month
- 3 Month Subscription$2.993 Months
- 12 Month Subscription$9.991 Year
- Remove Ads$2.49








