PC vs Variable Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PC
This tool assists pilots in verifying weight and balance and calculating aircraft performance for various Pilatus PC-12 models. It includes a crosswind calculator and is intended for plausibility checks.
- Weight and balance verification
- Takeoff, climb, cruise, landing performance calculation
- Supports multiple PC-12 aircraft variants
- Crosswind calculator
- Plausibility checks for aircraft data
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The PC-12 Weight & Balance and Performance Calculator (PC-12 Calculator) is a pilot support tool designed to assist in verifying weight and balance, as well as calculating takeoff, climb, cruise, and landing performance for the Pilatus PC-12. It supports the following aircraft variants: PC-12/41, PC-12/45, PC-12/47, PC-12/47E (NG and NGX), and PC-12/47G. The app shall only be used after confirming that the specific aircraft configuration matches the selected version within the PC-12 Calculator. The app also includes a crosswind calculator. This tool is intended solely for plausibility checks of aircraft data. Use of the PC-12 Calculator is at the sole responsibility of the pilot or operator.
Variable Calculator
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Variable Calculator lets you save frequently used formulas and calculate results quickly by changing the values of X, Y, and Z. Stop entering the same formula over and over again. Save a calculation once, then enter new values whenever you need to perform the calculation again. Variable Calculator is useful for discounts, margins, unit prices, taxes, workout weights, engineering formulas, and other repeated calculations. ■ Variable Calculator • Create formulas using X, Y, and Z variables • Save frequently used formulas and calculations • Recalculate instantly by entering new variable values • Use variables with both standard and scientific keypads • View long formulas and calculations clearly Example formulas: • Discounted price: X × (1 - Y ÷ 100) • Price including tax: X × 1.1 • Unit price: X ÷ Y • Target weight: X × Y • Custom formulas for work, study, or daily use ■ Standard Calculator • Fast and easy basic calculations • View the full expression and result • Calculation history • Copy expressions and results • Automatic text resizing for long numbers • Thousands separators • Scientific notation support ■ Scientific Calculator • Scientific calculator keypad • Configurable default angle unit • Use X, Y, and Z in scientific formulas ■ Convenient Features • Dark mode • Key vibration settings • Clean and intuitive interface • Quickly reuse saved formulas Make repeated calculations faster and easier. Save your own formulas, change the variable values, and get accurate results instantly. Privacy Policy: https://vars-calculator.aboutsvc.com/privacy Terms of Use: https://vars-calculator.aboutsvc.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: PC at none against Variable Calculator's 1. PC also leads on ads (none vs shown). 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
Both are free to download. Variable Calculator sells 1 in-app purchase, starting at $1.99 per month. PC asks for nothing beyond the download.
| Parameter | PC | Variable Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 18.5% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Pilatus Aircraft Ltd. | About Service Inc. |
In-app purchases
PC
No in-app purchases
Variable Calculator
- unlock_subscription$1.991 Month









