Calc vs ProKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc
This app offers instant calculations as you type, eliminating the need for an equals button. Its notepad-style interface allows for multiple calculations at once, with smart result reuse for efficiency. It's a free, user-friendly tool for everyday math, schoolwork, and professional tasks.
- Instant calculation as you type
- Multiline input for multiple problems
- Smart result reuse
- Basic arithmetic and percentages
- No equals button required
- Clean, minimalist design
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Calc - multiline quick calculator. Solve any math in seconds. Are you looking for a simple calculator that's incredibly fast and easy to use? This easy calculator app is designed to make calculations effortless. Calculate anything instantly, without ever needing to press the equals button. It's like having a smart notepad that automatically solves your math problems. This isn't just another basic calculator. It's a powerful tool disguised as a simple, intuitive interface. Perfect for everyday calculations, school homework, quick office tasks, and anyone who needs to crunch numbers quickly and accurately. Why Choose This Easy Calculator? - Instant Calculation: Get your answers in real-time as you type. No more waiting, no more delays. See the results update with every keystroke. This is the fastest way to calculate. - Easy to Use: The interface is clean, clear, and incredibly user-friendly. Anyone, regardless of their math skills, can use this calculator with ease. It's designed for simplicity and efficiency. - Notepad Style: Enter multiple calculations at once, just like you would on a piece of paper. Keep your work organized and easily refer back to previous steps. No need to clear the screen after every calculation. - Smart Result Reuse: Tap on any previous result to instantly insert it into your current calculation. Save time and avoid retyping numbers. - All Essential Operations: Perform addition, subtraction, multiplication, division, and calculate percentages quickly and easily. Handle decimals with precision. - Simple and Complex: Use simple calculator, From simple arithmetic to more involved calculations, this app can handle it all. - Free Calculator App: Enjoy all these features without any cost. This is a completely free calculator app. Perfect For: - Daily Calculations: Splitting bills, calculating tips, checking grocery receipts, managing your budget – all made easier. - Students: Complete homework faster, check your answers, and understand math concepts more clearly. Ideal for all levels of education. - Professionals: Quick calculations on the go, expense reports, financial calculations, and more. - Anyone: If you need to calculate *anything*, this app is for you. Detailed Features: - Real-Time Calculation Engine: Our advanced engine provides instant results, making this the fastest calculator experience you'll find. - Multiline Input: Manage multiple calculations simultaneously. Keep your work organized and easy to follow. Perfect for complex problems. - Basic Arithmetic Operations: Addition, subtraction, multiplication, and division are all handled with precision. - Percentage Calculations: Easily calculate percentages for discounts, taxes, tips, and more. - Clean and Minimalist Design: A distraction-free interface that focuses on functionality and ease of use. - No Equals Button Needed: The app automatically calculates results as you type, streamlining the process. - Error Prevention: Smart input validation helps prevent errors and ensures accurate calculations. Stop wasting time with slow and complicated calculators. Download this easy calculator and experience the difference! Calculate instantly, accurately, and effortlessly. Get the best simple calculator app for free today. Simplify your calculations and make math easy. This free calculator is your go-to tool for all your calc needs.
ProKit
This utility app offers a suite of tools including a barometer for altitude and pressure, a speedometer, a decibel meter, a heart rate monitor, a compass, NFC tag management, and QR code generation/scanning. It also includes Sudoku puzzles and guided breathing exercises.
- Barometer for altitude and pressure
- Speedometer with customization
- Decibel meter with live graphs
- Heart rate monitor via camera
- NFC tag reader/writer
- QR code creator and scanner
- Sudoku puzzles with statistics
- Guided breathing exercises
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ProKit: Barometer & Tools brings measurements, tracking and everyday utilities together in one modern, easy-to-use app. BAROMETER AND WEATHER • View local and sea-level pressure. • Track the altitude of your current location. • Review pressure and altitude changes with charts. • Access temperature, humidity, feels-like temperature and dew point. • Follow precipitation, cloud cover, visibility, wind and UV values. • View current conditions on the weather radar. SPEED AND TRIP TRACKING • View your current, average and maximum speed. • Track driving time, moving time, stopped time and distance. • Review trip history, route summaries and altitude changes. • Choose from different speed and altitude units. COMPASS AND DEVICE SENSORS • Use the magnetic compass and magnetometer. • Follow magnetic-field values live. • View the status of GPS, accelerometer, gyroscope, barometer and other device sensors. • Review hardware, system, battery, storage and connectivity information. EVERYDAY UTILITIES • Decibel meter • Heart-rate tool • NFC reading and writing • QR code creation and scanning • Breathing exercises • Sudoku • BlockNova • Device test center ProKit’s clean design and customizable tools help you reach the information you need quickly. Some features depend on your device hardware, sensor support, location permissions and internet connection. Measurements are for informational purposes only; the app is not a medical device.
Screenshots
Verdict
The clearest difference is ratings volume: Calc at 41 against ProKit's 1. Calc also leads on iOS requirement (15.1 vs 18). ProKit's advantage is rating (5.0 vs 4.8). On price, review sentiment, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
ProKit holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calc has 41 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Calc ships an update every 3 weeks, ProKit every 2 weeks. The most recent releases landed on September 7, 2026 and September 2, 2026 respectively.
| Parameter | Calc | ProKit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (41 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 41 — better | 1 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18 |
| Further details — not scored | ||
| Size | 18 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksei Khaliapin | omer yuksel |
Customer experience
Calc
ProKit
In-app purchases
Calc
No in-app purchases
ProKit
No in-app purchases









