Comparison

Column Construction Calculator vs Learn ESP32 Programming Pro

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

Head to head
About

Column Construction Calculator

Features
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Column Construction Calculator contains 35 calculators to measure and calculate different column and civil engineering parameters. NEW — Built-in Reference Library Look up standard material properties and auto-fill them straight into any calculator: • Steel — ASTM grades (A36, A992 W-shapes, A572 Grade 50, A500 Grade B & C HSS, A53 Grade B Pipe) with Yield Strength (Fy) and Modulus of Elasticity (E) • Aluminum — common structural aluminum grades • Concrete — ACI mix classes from 2500 psi to 10000 psi with compressive strength (f'c), modulus (Ec) and β₁ factor Available in Metric (SI) and Imperial (USCS) Units Column Calculator contains the following 35 Calculators: • Critical Buckling Load - Column Pivoted at Both Ends (Euler's Formula) • Critical Buckling Load - One End Fixed and Other End Rounded (Euler's Formula) • Critical Buckling Load - Both Ends Fixed (Euler's Formula) • Critical Buckling Load - One End Fixed and Other End Free (Euler's Formula) • Nominal Bearing Strength of Concrete (Column Base Plate Design) • Area of Base Plate for Factored Load • Length of Rectangular Base Plate (Wide-Flange Column) • Width of Base Plate - Parallel to the Flanges • Projection of Base Plate beyond the Flange and Parallel to the Web (m) • Projection of Base Plate beyond the Edges of the Flange and Perpendicular to the Web (n) • Equivalent Cantilever Dimension (n') • Column Base Plate Design Value (Lambda) • Column Base Plate Design Value (X) • Thickness of Base Plate (m) • Thickness of Base Plate (n) • Thickness of Base Plate (Lambda n') • Area of the Column • Allowable Bearing Pressure on Support (Base Plate occupies Full Area of Support) • Allowable Bearing Pressure on Support (Base Plate covers less than Full Area of Support) • Wall Thickness of Steel Pipe (Width of Face of Rectangular Section) • Wall Thickness of Steel Pipe (Outside Diameter of Circular Section) • Design Strength of Axially Loaded Composite Column • Design Strength of Concrete (Direct Bearing) • Effective Length Factor • Slenderness Ratio • Critical Buckling Load • Elastic Critical Buckling Load • Allowable Design Load – Aluminum Columns • Allowable Design Load – Aluminum Columns (Johnson's Equation – Straight Line) • Allowable Design Load – Aluminum Columns (Johnson's Equation – Squared Parabolic) • Ultimate Strength of Column - Zero Eccentricity of Load • Axial Load Capacity – Short Rectangular Members • Balanced Moment • Eccentricity – Balanced Condition • Eccentricity – Slender Columns

About

Learn ESP32 Programming Pro

Features
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Master ESP32 Programming — from GPIO basics to advanced sensor and module control. Build connected devices, control sensors, and learn embedded programming step by step through practical examples, interactive quizzes, and clear explanations. This course is based on the ESP32-C3 Super Mini development board, carefully selected for beginners because it is affordable, compact, widely available, energy efficient, and includes built-in Wi-Fi and Bluetooth connectivity. Its simple design makes it an excellent platform for learning modern IoT and embedded systems development. Available in 6 Languages: • English, French, German, Portuguese, Russian, and Spanish — study in your native language! The app uses Arduino IDE, one of the world's most popular development environments for microcontrollers. Arduino IDE is beginner-friendly, easy to install, and supported by a massive community, making it the perfect choice for learning ESP32 programming and creating projects quickly. Perfect For: • Beginners learning ESP32 programming • Students studying embedded systems and IoT • Makers building smart devices and automation projects • Electronics enthusiasts working with sensors and modules • Developers creating connected products and prototypes What You'll Learn: • GPIO — Digital input/output, buttons, switches, and LED control • ADC — Read analog sensors and variable voltage signals • PWM — Control LED brightness, servos, and motor speed • UART — Serial communication with external devices • I²C — Connect displays, sensors, and expansion modules • SPI — High-speed communication with peripherals Sensors and Modules Explore a wide range of hardware modules and practical applications: • Distance — Ultrasonic sensors and obstacle detection • Temperature & Humidity — Environmental monitoring projects • Pressure — Barometric and weather-related measurements • Light — Ambient light and photoresistor sensors • Motion — PIR motion detection systems • Vibration — Shock and vibration monitoring • Sound — Buzzers, microphones, and audio modules • Gas Sensors — Air-quality and gas detection projects • Water & Soil Moisture — Smart gardening applications • Magnetic Sensors — Hall-effect and magnetic field detection • Touch Sensors — Capacitive touch interfaces • Infrared (IR) — Remote control communication • Relays — Control high-power external devices • Motors — DC motors, servo motors, and motor drivers • LCD Displays — Character-based user interfaces • OLED Displays — Graphics and information displays • LED Modules — Indicators, animations, and lighting projects • RTC Modules — Real-time clock integration • IMU Sensors — Accelerometers and gyroscopes Complete Learning Experience: • 25+ structured chapters from beginner to advanced • Step-by-step examples with detailed explanations • Practical projects and real-world applications • 150+ interactive quiz questions User-Friendly Features: • Dark and light themes • Offline learning — no internet required • Fast search across all lessons • Bookmark favorite topics • Clean and distraction-free interface ESP32 is a trademark of Espressif Systems. Arduino is a trademark of Arduino AG. This app is an independent educational resource and is not affiliated with or endorsed by either organization.

Screenshots

Column Construction Calculator4 screens
Learn ESP32 Programming Pro4 screens

Verdict

The call

The clearest difference is update cadence: Learn ESP32 Programming Pro at monthly against Column Construction Calculator's every 38 months. Column Construction Calculator's advantage is price ($1.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Column Construction Calculator costs $1.99 and Learn ESP32 Programming Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Column Construction Calculator ships an update every 38 months, Learn ESP32 Programming Pro monthly. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Column Construction Calculator versus Learn ESP32 Programming Pro: the parameters behind the verdict, then further details
ParameterColumn Construction CalculatorLearn ESP32 Programming Pro
Price$1.99 — better$4.99
Update frequencyEvery 38 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS16.016.0
Further details — not scored
Size34 MB25 MB
Age rating4+4+
DeveloperV PUGAZHENTHIALG Software Lab

In-app purchases

None

Column Construction Calculator

No in-app purchases

None

Learn ESP32 Programming Pro

No in-app purchases

Questions

Is Column Construction Calculator free?
Column Construction Calculator costs $1.99, with no in-app purchases.
Is Learn ESP32 Programming Pro free?
Learn ESP32 Programming Pro costs $4.99, with no in-app purchases.
Do Column Construction Calculator or Learn ESP32 Programming Pro have ads?
Neither Column Construction Calculator nor Learn ESP32 Programming Pro shows ads.
Which is updated more often, Column Construction Calculator or Learn ESP32 Programming Pro?
Column Construction Calculator ships an update every 38 months, and Learn ESP32 Programming Pro monthly. Most recently, Column Construction Calculator was updated on September 30, 2026 and Learn ESP32 Programming Pro on September 24, 2026.

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