Comparison

Frame vs Concrete Engineering

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

Head to head
About

Frame

Features
Read full description

This application is a structural analyzer for educational or prototyping uses. Featured items are flame designer by touching, analyzer by FEM and drawer to PDF. Supported frames are Rahmen structure of Steel or Reinforced Concrete.

About

Concrete Engineering

This app provides a comprehensive suite of calculators for concrete and civil engineering parameters. It features smart auto-fill options, a detailed calculation history with PDF export, and direct references to ACI codes. Unlock all 56 calculators with a one-time purchase.

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

Concrete Engineering Calculator is a user-friendly app with 56 calculators for concrete and civil engineering parameters. This version introduces smart auto-fill pickers, a full calculation history with PDF export, and ACI code references on every calculator. Key Features: 56 calculators covering beams, columns, slabs, walls, and more 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 6 calculators free forever, 56 total — unlock all with a one-time purchase, no subscription 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

Screenshots

Frame3 screens
Concrete Engineering4 screens

Verdict

The call

The clearest difference is in-app purchases: Frame at none against Concrete Engineering's 1. Frame also leads on ads (none vs shown) and iOS requirement (10.0 vs 18.6). On price, update cadence 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

Both are free to download. Concrete Engineering sells 1 one-off in-app purchase. Frame asks for nothing beyond the download.

UpkeepUpdate frequency

Frame ships an update every 6 months, Concrete Engineering every 7 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Frame versus Concrete Engineering: the parameters behind the verdict, then further details
ParameterFrameConcrete Engineering
PriceFreeFree
Rating—4.7 (7 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 6 months — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better18.6
Further details — not scored
Size8 MB8 MB
Age rating4+4+
DeveloperTsutomu MurataV PUGAZHENTHI

In-app purchases

None

Frame

No in-app purchases

1 purchases

Concrete Engineering

One-time1
  • Concrete Engineering Calc.$3.99

Questions

Is Frame free?
Frame is free to download, with no in-app purchases.
Is Concrete Engineering free?
Concrete Engineering is free to download, with in-app purchases available.
Do Frame or Concrete Engineering have ads?
Concrete Engineering shows ads; Frame does not.
Which is updated more often, Frame or Concrete Engineering?
Frame ships an update every 6 months, and Concrete Engineering every 7 months. Most recently, Frame was updated on September 23, 2026 and Concrete Engineering on September 18, 2026.

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