Comparison

Mohr's Circle vs Beam Calculator

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

Head to head
About

Mohr's Circle

This application assists users in performing Mohr's Circle calculations and verifying their diagrams. It offers solutions for 2D plane stress, calculates various stress values, and generates graphical representations of stress states. Users can also share results and store multiple stress states.

Highlights
  • 2D Plane Stress Mohr's Circle Solutions
  • Max, Min, and Shear Stress Calculations
  • Principal Stress Plane Angle
  • Mohr's Circle Diagram
  • Stress State Rotation Views
  • Shareable Results
  • Unit Conversion (English/Metric)
Features
Read full description

Do you need to perform a Mohr's Circle calculation? Would you like to make sure you Mohr's Circle diagram is correct? With the power of your iOS device and this app, you can do this quickly and easily. (5 Stars) "Perfect…Great tool, great app!" -The fever, the focus Mohr's Circle Calculates: ● 2D Plane Stress Mohr's Circle Solutions ● Max Stress ● Min Stress ● Max Shear Stress ● Average Stress ● Principal Stress Plane Angle ● Max Shear Stress Plane Angle ● The normal stress at an arbitrary angle ● The tangential stress at an arbitrary angle ● The shear stress at an arbitrary angle Mohr's Circle Graphs 4 Views Including: ● Mohr's Circle Diagram ● Stress State Rotated to the Principal Stress Plane ● Stress State Rotated to the Max Shear Stress Plane ● Stress State Rotated to an arbitrary angle Mohr's Circle Features: ● Universal App (Designed for both the iPhone and iPad) ● Share your results via a printout or email ● View the equations used to calculate the results ● Store as many stress states as you want for future reference Units Included! Independently set input and output units both English and Metric. Check out our other engineering apps by searching the App Store for: • Pressure Vessel Pro • Moments of Inertia • Stress Concentrations Pro • Stress Intensity Factors Pro or search J.R.Hobbs to see them all. AppStore.com/JRHobbs

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.

Screenshots

Mohr's Circle4 screens
Beam Calculator4 screens

Verdict

The call

The clearest difference is rating: Beam Calculator at 4.0 against Mohr's Circle's 3.3. Beam Calculator also leads on price ($2.99 vs $5.99) and ratings volume (12 vs 3). Mohr's Circle's advantage is iOS requirement (12.0 vs 16.1). On update cadence, ads, in-app purchases and monetization model 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

Mohr's Circle costs $5.99 and Beam Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Beam Calculator holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 15 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Mohr's Circle versus Beam Calculator: the parameters behind the verdict, then further details
ParameterMohr's CircleBeam Calculator
Price$5.99$2.99 — better
Rating3.3 (3 ratings)4.0 (12 ratings) — better
Positive reviews42.9% of reviews—
Number of ratings312 — better
Update frequencyEvery 15 monthsEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.1
Further details — not scored
Size8 MB4 MB
Age rating4+4+
DeveloperJ.R.HobbsV PUGAZHENTHI

Customer experience

Mohr's Circle

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews7 reviews
Positive42.9%
Neutral28.6%
Negative28.6%

Beam Calculator

All ratings12 ratings
Positive75.0%
Neutral8.3%
Negative16.7%

In-app purchases

None

Mohr's Circle

No in-app purchases

None

Beam Calculator

No in-app purchases

Questions

Is Mohr's Circle free?
Mohr's Circle costs $5.99, with no in-app purchases.
Is Beam Calculator free?
Beam Calculator costs $2.99, with no in-app purchases.
Which has better reviews, Mohr's Circle or Beam Calculator?
Beam Calculator is rated higher. Mohr's Circle averages 3.3 out of 5 from 3 ratings, while Beam Calculator averages 4.0 from 12 ratings.
Do Mohr's Circle or Beam Calculator have ads?
Neither Mohr's Circle nor Beam Calculator shows ads.
Which is updated more often, Mohr's Circle or Beam Calculator?
Mohr's Circle ships an update every 15 months, and Beam Calculator every 15 months. Most recently, Mohr's Circle was updated on October 23, 2026 and Beam Calculator on October 24, 2026.

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