Comparison

Concrete Engineering vs CombinedFooting

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

Head to head
About

Concrete Engineering

This app provides civil engineers with a comprehensive suite of 56 calculators for concrete design and analysis. It features smart auto-fill pickers, calculation history with PDF export, and direct ACI code references for all calculations.

Highlights
  • 56 concrete and civil engineering calculators
  • Metric and Imperial unit support
  • Smart auto-fill pickers
  • Calculation history with PDF export
  • ACI 318-19 code references
  • Detailed formulas included
Features
Read full description

Concrete Engineering Calculator is a professional-grade app with all 56 calculators for concrete and civil engineering — fully unlocked from first launch. Smart auto-fill pickers, calculation history with PDF export, and ACI code references on every calculator. Key Features: Supports both Metric (SI) and Imperial (USCS) units Includes detailed formulas for all calculations Smart auto-fill pickers for concrete mix grades, rebar grades, and bar sizes Calculation history with save, review, and PDF export ACI 318-19 code reference badge on every calculator Beam Calculations: Water/Cementitious Materials Ratio Modulus of Elasticity Tensile Strength Compressive Stress (Beam) Stress in Reinforcement Cross-sectional Area (Tensile and Compressive Reinforcement) Stress (Extreme Fiber of Concrete) Shear and Diagonal Tension Nominal Shear Stress Ultimate Shear Capacity Cracking Moment Bending Moment Capacity (Underreinforced and Rectangular Beams) Column Calculations: Total Allowable Axial Load Spiral Reinforcing Ratio Long-Column Load Reduction Factor (Fixed Ends) Maximum Permissible Eccentricity (Spiral and Tied Columns) Bending Load (Spiral and Tied Columns) Slab and Wall Calculations: Slab Thickness Flexural Stiffness Ratio (Beam Section and Slab Width) Axial Capacity of Wall Nominal Shear Stress on Wall Vertical Shear Reinforcement Ratio of Wall Development Lengths and Crack Control: Tension Development Lengths (Various Bar Types) Compression Development Length Development Length (Hooked Bar) Crack Width Control Additional Calculations: Volume of Spiral Steel to Concrete Core Ratio Moment at Balanced Condition Shear Friction Reinforcement Area Coefficient of Sliding Friction Modular Ratio Steel Ratio Effective Moment of Inertia Total End Shear (Counterfort Walls) Ultimate Strength (No Wind, With Wind, With Earthquake Load) Auto-Fill Reference Pickers: Concrete mix picker fills compressive strength and modulus of elasticity automatically Rebar grade picker fills yield strength and modulus of steel automatically Bar size picker fills cross-sectional area and diameter automatically All pickers support both SI and USCS unit modes

About

CombinedFooting

Features
Currently charting
Read full description

Design and Analysis for a Combined Foundation with Large Bi-axial loads and moment based on ACI code. - Determine the Location of Resultant and proposing new values to make the resultant concise with the Center of Foundation. - Check the Stability against Overturning in both Longitudinal and Transversal Direction. - Check the Stability against sliding in both Longitudinal and Transversal Direction. - Calculating the value K (Tengs Chart), modified Gross Pressure, Overburden and Pressure Net pressure in both factored and un-factored mode. - Ultimate Design Total loads Forces and Moments applied on the Foundation. - Distribution of Pressure under Foundation. - Shear Force and bending moment Diagram in both direction. - Two Way (Punching) Shear Capacity Checks under two pedestals. - One Way Shear Capacity Check. - Reinforcement Design in both Direction. - Graphic design showing the reinforcement details in both direction. Additionally, the application will provide a PDF comprehensive calculation with capability of sharing the same via emails, whatsup, etc,,,

Screenshots

Concrete Engineering4 screens
CombinedFooting4 screens

Verdict

The call

The clearest difference is price: Concrete Engineering at $3.99 against CombinedFooting's $14.99. CombinedFooting's advantage is update cadence (every 3 weeks vs every 23 months) and chart position (#132 vs unranked). On ads, in-app purchases and device support 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

Concrete Engineering costs $3.99 and CombinedFooting $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Concrete Engineering ships an update every 23 months, CombinedFooting every 3 weeks. Both last shipped on October 12, 2026.

Scorecard4 real differences · 6 level
Concrete Engineering versus CombinedFooting: the parameters behind the verdict, then further details
ParameterConcrete EngineeringCombinedFooting
Price$3.99 — better$14.99
Rating4.2 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 23 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#132 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size8 MB3 MB
Age rating4+4+
DeveloperV PUGAZHENTHIRab Elias

In-app purchases

None

Concrete Engineering

No in-app purchases

None

CombinedFooting

No in-app purchases

Questions

Is Concrete Engineering free?
Concrete Engineering costs $3.99, with no in-app purchases.
Is CombinedFooting free?
CombinedFooting costs $14.99, with no in-app purchases.
Do Concrete Engineering or CombinedFooting have ads?
Neither Concrete Engineering nor CombinedFooting shows ads.
Which is updated more often, Concrete Engineering or CombinedFooting?
Concrete Engineering ships an update every 23 months, and CombinedFooting every 3 weeks. Most recently, Concrete Engineering was updated on October 12, 2026 and CombinedFooting on October 12, 2026.

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