Comparison

Fire Calculator vs Cuspart

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

Head to head
About

Fire Calculator

Read full description

⏱ ⏖Description⏖ Fire Calculator is designed for engineers, students and children. While boring technical calculations are done, the needed sense of having fun is provided on this calculator. This calculator is indispensable especially for mechanical engineering, civil engineering, chemical engineering, electrics engineering, mathematics professions. Fire Calculator can easily determine the mathematical expressions and correct if needed. By the help of hand-written exponential forms, you can easily see any mistakes in your mathematical expressions. Fire Calculator also has the functionality of seeing the history of your previous calculations by scrolling up. Furthermore, with the functionality of visual effects, users can do their mathematical affairs in an amazing and funny way of calculations. ⏱ ⏖Features⏖ ↪ Everything free ↪ Amazing interface with low battery usage ↪ Equation and Integral solving feature ↪ Exponential form as if hand-written mathematical expressions ↪ Copy-pasting of mathematical expressions ↪ Arithmetical operations, trigonometric and inverse-trigonometric functions, logarithmical and natural logarithmical operations, power operations, root operations, factorial operations, percentage calculations ↪ π and e numbers ↪ Using π symbol inside trigonometric functions ↪ Advantage of using the previous answer in the new expression ©2020 Burak Bilgin. All rights reserved.

About

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.

Highlights
  • Basic and advanced arithmetic
  • Roots, powers, and logarithms
  • Constants library (π, e)
  • Operation history
  • Customizable color themes
  • Accessible UI design
Features
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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

Fire Calculator4 screens
Cuspart4 screens

Verdict

The call

The clearest difference is in-app purchases: Fire Calculator at none against Cuspart's 1. Cuspart's advantage is update cadence (every 4 months vs every 65 months) and device support. On price 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. Cuspart sells 1 one-off in-app purchase. Fire Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Fire Calculator ships an update every 65 months, Cuspart every 4 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 6 level
Fire Calculator versus Cuspart: the parameters behind the verdict, then further details
ParameterFire CalculatorCuspart
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 65 monthsEvery 4 months — better
Ads—Yes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone, iPad — better
Requires iOS15.1 — better16.0
Further details — not scored
Size37 MB13 MB
Age rating4+12+
DeveloperBurak BilginMustafa Tolga DALBUDAK

In-app purchases

None

Fire Calculator

No in-app purchases

1 purchases

Cuspart

One-time1
  • myCal Pro$2.99

Questions

Is Fire Calculator free?
Fire Calculator is free to download, with no in-app purchases.
Is Cuspart free?
Cuspart is free to download, with in-app purchases available.
Which is updated more often, Fire Calculator or Cuspart?
Fire Calculator ships an update every 65 months, and Cuspart every 4 months. Most recently, Fire Calculator was updated on November 3, 2026 and Cuspart on November 3, 2026.

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