Comparison

Concrete Engineering vs Chemical Solution Simple

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

Chemical Solution Simple

This app assists in preparing chemical solutions through dissolution and dilution. It calculates moles, molar masses, required solute weights, and starting solution volumes, supporting various concentration units.

Highlights
  • Solution preparation by dissolution
  • Solution preparation by dilution
  • Mole calculation
  • Molar mass analysis
  • Required solute weight calculation
  • Starting solution volume calculation
  • Supports Molar, mM, uM, g/l, mg/l units
Features
Read full description

Chemical Solution Simple helps in preparation of chemical solution by dissolution of solid solute or by dilution of existing solution and in finding of moles, Molar masses, required weights of solutes and volumes of starting solutions. Supported concentration units are Molar (M), mM, uM, g/l, mg/l. Touch the units field to change the units in the aformentioned order. The app includes Molar Mass Analyser. Tap on arrow in the Mw field initiates analysis of chemical formula in the component field and set the value to Mw field. No charge values should be used. Valid examples: Mg(HCO3)2, CaCl2.2H2O, CaCl2*2H2O, (NH4)2Fe(SO4)2.6H2O, Mg(H2PO4)2, C6H12O6. Analyser is case sensitive. Application assigns dot as a decimal separator. For further details please refer to http://www.volard.wordpress.com

Screenshots

Concrete Engineering4 screens
Chemical Solution Simple4 screens

Verdict

The call

The clearest difference is rating: Chemical Solution Simple at 5.0 against Concrete Engineering's 4.2. Chemical Solution Simple also leads on update cadence (every 3 months vs every 23 months) and price ($2.99 vs $3.99). Concrete Engineering's advantage is ratings volume (10 vs 1). On ads, in-app purchases, monetization model 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 Chemical Solution Simple $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Chemical Solution Simple holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Concrete Engineering has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Concrete Engineering ships an update every 23 months, Chemical Solution Simple every 3 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Concrete Engineering versus Chemical Solution Simple: the parameters behind the verdict, then further details
ParameterConcrete EngineeringChemical Solution Simple
Price$3.99$2.99 — better
Rating4.2 (10 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings10 — better1
Update frequencyEvery 23 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size8 MB1 MB
Age rating4+4+
DeveloperV PUGAZHENTHIRoman Volinsky

Customer experience

Concrete Engineering

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%

Chemical Solution Simple

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Concrete Engineering

No in-app purchases

None

Chemical Solution Simple

No in-app purchases

Questions

Is Concrete Engineering free?
Concrete Engineering costs $3.99, with no in-app purchases.
Is Chemical Solution Simple free?
Chemical Solution Simple costs $2.99, with no in-app purchases.
Which has better reviews, Concrete Engineering or Chemical Solution Simple?
Chemical Solution Simple is rated higher. Concrete Engineering averages 4.2 out of 5 from 10 ratings, while Chemical Solution Simple averages 5.0 from 1 ratings.
Do Concrete Engineering or Chemical Solution Simple have ads?
Neither Concrete Engineering nor Chemical Solution Simple shows ads.
Which is updated more often, Concrete Engineering or Chemical Solution Simple?
Concrete Engineering ships an update every 23 months, and Chemical Solution Simple every 3 months. Most recently, Concrete Engineering was updated on October 12, 2026 and Chemical Solution Simple on October 10, 2026.

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