Comparison

Concrete Engineering vs Procédures Fiscales Tchad

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

Procédures Fiscales Tchad

Features
Read full description

Le présent manuel a pour objet, d’une part, de fournir aux agents des Impôts, les outils nécessaires pour mener à bien leur mission de mobilisation de recettes fiscales intérieures, et d’autre part, d’apporter, en toute transparence, des éclaircissements aux contribuables désireux de s’enquérir des procédures administratives légales et réglementaires en vigueur. Il vise à clarifier toutes les relations opérationnelles, que les contribuables ont à avoir avec l’administration fiscale, et fonctionnelles, à l’intérieur même de la Direction Générale des Impôts (DGI). Le manuel ne se substitue en aucune manière au Code Général des Impôts (CGI) pour les interprétations juridiques, mais s’y réfère. Il facilite l’accès aux textes officiels, rappelle les principes généraux et explique les modalités pratiques de mise en œuvre de chaque procédure.

Screenshots

Concrete Engineering4 screens
Procédures Fiscales Tchad4 screens

Verdict

The call

The clearest difference is price: Procédures Fiscales Tchad at Free against Concrete Engineering's $3.99. Procédures Fiscales Tchad also leads on update cadence (weekly vs every 23 months) and iOS requirement (11.0 vs 18.6). 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

Procédures Fiscales Tchad is free to download; Concrete Engineering costs $3.99 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, Procédures Fiscales Tchad weekly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 6 level
Concrete Engineering versus Procédures Fiscales Tchad: the parameters behind the verdict, then further details
ParameterConcrete EngineeringProcédures Fiscales Tchad
Price$3.99Free — better
Rating4.2 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 23 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.611.0 — better
Further details — not scored
Size8 MB62 MB
Age rating4+4+
DeveloperV PUGAZHENTHIObservatoire Tchadien des Finances Publiques

In-app purchases

None

Concrete Engineering

No in-app purchases

None

Procédures Fiscales Tchad

No in-app purchases

Questions

Is Concrete Engineering free?
Concrete Engineering costs $3.99, with no in-app purchases.
Is Procédures Fiscales Tchad free?
Procédures Fiscales Tchad is free to download, with no in-app purchases.
Do Concrete Engineering or Procédures Fiscales Tchad have ads?
Neither Concrete Engineering nor Procédures Fiscales Tchad shows ads.
Which is updated more often, Concrete Engineering or Procédures Fiscales Tchad?
Concrete Engineering ships an update every 23 months, and Procédures Fiscales Tchad weekly. Most recently, Concrete Engineering was updated on November 4, 2026 and Procédures Fiscales Tchad on November 3, 2026.

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