Calculator vs QR Builder
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Calculator
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Calculator- scientific: Your Comprehensive Math Powerhouse Calculator- scientific is a powerful calculation suite designed for home, school, and office. Featuring a robust math parser, it delivers precise results across a wide range of functions and specialized modes. Six Powerful Calculation Modes: Main View: Access memory, power, square root, logarithmic, factorial, floor, ceil, random, and over 30 trigonometric functions. Simply input your formula and evaluate. Programmer View: Perform conversions between DEC, BIN, HEX, OCT systems and execute various masking operations. Statistics View: Calculate median, standard deviation, and generate random numbers. IP Subnet View: Quickly compute subnets from any given IP address. Converter View: Convert values effortlessly between units of length, area, volume, mass, time, and many more. Matrix View: Execute complex matrix calculations including determinant, inverse, and matrix multiplication. Core Features: Advanced Math Parser: Utilizes DDMathParser for accurate and reliable calculations. Intuitive Interface: Navigate easily with a convenient slide-out sidebar menu. Calculator- scientific is the ultimate tool for students, professionals, and anyone needing a versatile and precise calculator. Download now to elevate your computations!
QR Builder
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ā¢ A quick simple app that lets you create QR codes and share them for easy distribution. ā¢ Includes the ability to read and write NFC tags. (this will require permission to the NFC hardware). ā¢ Includes a barcode scanner. (This will require permission to use your camera). ā¢ Includes a barcode scanner that uses local AI to interpret them. (This will require permission to use your camera). ā¢ Includes the ability to change the foreground and background colours as well as allow you to save colour pairs for easier reuse.Ā ā¢ Long press on a saved colour pair to show the option to remove the saved colour pair. ā¢ Any data saved in the app is stored only on-device and never sent off device automatically. Any data sharing is instigated by the user via the system share sheet so you are fully in control of your information.
Screenshots
Verdict
The clearest difference is ads: QR Builder at none against Calculator's shown. QR Builder also leads on update cadence (every 2 weeks vs every 110 months). Calculator's advantage is iOS requirement (15.6 vs 18.6). On price, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calculator ships an update every 110 months, QR Builder every 2 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.
| Parameter | Calculator | QR Builder |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 110 months | Every 2 weeks ā better |
| Ads | Yes | No ā better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 ā better | 18.6 |
| Further details ā not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ramalingam Sivaramakrishnan | Software101 |
In-app purchases
Calculator
No in-app purchases
QR Builder
No in-app purchases
Questions
Is Calculator free?
Is QR Builder free?
Do Calculator or QR Builder have ads?
Which is updated more often, Calculator or QR Builder?
Other comparisons
