Comparison

Beam Calculator vs Voltage Drop Pro

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

Head to head
About

Beam Calculator

This app provides 34 civil engineering calculators for beam analysis and conversion, referencing industry codes. It features auto-fill pickers for sections and materials, dual unit systems, and calculation history. Professionals and students can generate PDF reports and access built-in reference tables.

Highlights
  • 34 Civil Engineering Calculators
  • AISC, ACI, ASCE Code References
  • Auto-fill Section and Material Pickers
  • Dual Unit System (Imperial/Metric)
  • Calculation History with Notes
  • PDF Export for Reports
  • Built-in Reference Tables
Features
Read full description

Beam Calculator offers a comprehensive suite of 34 calculators to analyze and convert key Beam and Civil Engineering parameters. Built for professionals and students, every formula is backed by AISC 360-22, ACI 318-19, and ASCE 7-22 code references displayed directly in the calculator. Auto-fill Section and Material Pickers let you select from 39 AISC W-shapes and standard Steel, Rebar, and Concrete grades to instantly populate input fields. No manual lookup needed. Included Calculators (Metric and Imperial Units): Critical Bending Moments: • Rectangular Cross Section • Open Cross Section • Nonuniform Bending Gradient • Moment Gradient Factor with PASS/FAIL adequacy check per AISC 360-22 Stress and Deflection: • Maximum Stress (Axial and Bending Loads) • Maximum Stress (Large Bending Deflection) • Axial Compression and Bending Deflection • Critical Buckling Load • Stress (Unsymmetrical Bending) • Total Unit Stress and Deflection (Eccentric Loading) Steel and Compression Calculations: • Trial Design Area of Steel • Compression Area and Depth • Nominal Moment Capacity • Adjusted Steel Area • Reinforcement Ratios (Balanced, Minimum, Maximum) Beam Dimensions and Shear Strength: • Required Beam Dimensions • Concrete and Steel Shear Strength • Maximum Allowable Shear (Steel and Total) • Horizontal, Angled, and Vertical Stirrup Spacing • Stirrup Shear Strength and Embedment Length • Maximum Tension Steel Spacing Key Features: • Dual unit system: USCS (Imperial) and SI (Metric) with accurate conversions • Calculation History: save, review, and add notes to past calculations • PDF Export: share professional calculation reports • Built-in Reference Tables: W-shape sections, steel grades, rebar grades, and concrete grades • Dark mode support with three appearance options • Category filter chips for fast formula navigation Available in English, Francais, Espanol, Italiano, Deutsch, Chinese, Nederlands, and Portugues.

About

Voltage Drop Pro

Features
Read full description

Voltage Drop Calc is a fast, easy way to create a schedule of voltage drop calculations for any size of job or just to perform a single calculation on the fly. Put your pencil down and start making professional, consistent calculation today. - Universal app allows use on both iPad, and iPhone/iPod with single purchase. - Create an unlimited list of calculations that automatically save. - Export your results to a spreadsheet for formatting or printing. - Solve for distance in feet or meters. - Solve for voltage drop in either voltage or percentage. - Solve for wire size including derating. - Built in construction calculator allows intermediate calculations to be performed within the app.

Screenshots

Beam Calculator4 screens
Voltage Drop Pro4 screens

Verdict

The call

The clearest difference is update cadence: Voltage Drop Pro at every 2 months against Beam Calculator's every 15 months. Beam Calculator's advantage is price ($2.99 vs $3.99). On ads, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Beam Calculator costs $2.99 and Voltage Drop Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Beam Calculator ships an update every 15 months, Voltage Drop Pro every 2 months. The most recent releases landed on September 3, 2026 and July 9, 2026 respectively.

Scorecard2 real differences · 7 level
Beam Calculator versus Voltage Drop Pro: the parameters behind the verdict, then further details
ParameterBeam CalculatorVoltage Drop Pro
Price$2.99 — better$3.99
Rating4.0 (12 ratings) — better—
Number of ratings12 — better—
Update frequencyEvery 15 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.1 — better17.5
Further details — not scored
Size4 MB15 MB
Age rating4+4+
DeveloperV PUGAZHENTHISnappy Appz Inc.

In-app purchases

None

Beam Calculator

No in-app purchases

None

Voltage Drop Pro

No in-app purchases

Questions

Is Beam Calculator free?
Beam Calculator costs $2.99, with no in-app purchases.
Is Voltage Drop Pro free?
Voltage Drop Pro costs $3.99, with no in-app purchases.
Do Beam Calculator or Voltage Drop Pro have ads?
Neither Beam Calculator nor Voltage Drop Pro shows ads.
Which is updated more often, Beam Calculator or Voltage Drop Pro?
Beam Calculator ships an update every 15 months, and Voltage Drop Pro every 2 months. Most recently, Beam Calculator was updated on September 3, 2026 and Voltage Drop Pro on July 9, 2026.

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