# Concrete Engineering vs Chemical Solution Simple

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.

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.

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.

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.

## The numbers

| Metric | Concrete Engineering | Chemical Solution Simple |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/concrete-engineering/id643608704/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemical-solution-simple/id1080912267/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 8 MB | 1 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Roman Volinsky](https://appshunter.io/developer/977951850) |

## What reviewers say

### Concrete Engineering

[App page](https://appshunter.io/ios/app/concrete-engineering/id643608704)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Chemical Solution Simple

[App page](https://appshunter.io/ios/app/chemical-solution-simple/id1080912267)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*