Comparison

Construction Density vs Evap Solutions

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

Head to head
About

Construction Density

Calculate soil sample density and moisture content using T-99 and Cone test methods. This tool serves as a verification aid for chart interpolation in construction and geotechnical applications.

Highlights
  • T-99 density calculation
  • Cone density calculation
  • Optimum moisture calculation
  • Soil sample analysis
  • Verification tool
Read full description

This calculator will help calculate the Maximum Density and Optimum Moisture of a soil sample from the T-99 and Cone test. This calculator should only be used as a verification of the appropriate chart interpolation.

About

Evap Solutions

This app helps concrete professionals calculate evaporation rates based on weather conditions. It provides guidance to prevent cracks and improve concrete curing for stronger, longer-lasting results. A free trial is available before subscribing.

Highlights
  • Concrete evaporation rate calculation
  • Crack prevention guidance
  • Weather-based adjustments
  • User-friendly interface
  • Moisture control and curing management
Read full description

Evap Solutions – Concrete Evaporation Calculator Helps to detect possibility of shrinkage cracks and crazing with accurate, real-time evaporation rate calculations. Evap Solutions is built for contractors, concrete finishers, and engineers who need fast, reliable data to manage curing conditions and protect concrete quality. Free Trial & Subscription Start with a 7-day free trial with full access to all features. After the trial, continue with an annual subscription. $39.99/year — cancel anytime (at least 24 hours before renewal). Key Features • Imperial & Metric Units Seamlessly switch between unit systems for U.S. and international projects. • Concrete Evaporation Calculator Quickly calculate evaporation rate (surface moisture loss) to guide finishing timing. • Real-Time Weather Data Uses live temperature, wind speed, and humidity for accurate results. • Crack Prevention Helps determine the possibility of plastic shrinkage cracking, crazing, and surface defects. • Fast, Simple Input Enter concrete temperature and get results instantly—no manual formulas needed. • Built for the Field Designed for concrete professionals, job sites, and field use. Evap Solutions helps with: • Concrete curing management • Moisture control • Evaporation rate monitoring • Finishing timing decisions Deliver stronger, more durable concrete while avoiding costly rework. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.1lconcretesolutions.com/private-policy

Screenshots

Construction Density2 screens
Evap Solutions4 screens

Verdict

The call

The clearest difference is price: Evap Solutions at Free against Construction Density's $3.99. Evap Solutions also leads on update cadence (every 3 weeks vs every 6 months). Construction Density's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On rating and ads 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

Evap Solutions is free to download; Construction Density costs $3.99 up front. Evap Solutions sells 2 in-app purchases, starting at $9.99 per month. Construction Density asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Construction Density against 5.0 for Evap Solutions. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

Construction Density ships an update every 6 months, Evap Solutions every 3 weeks. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

Scorecard7 real differences · 3 level
Construction Density versus Evap Solutions: the parameters behind the verdict, then further details
ParameterConstruction DensityEvap Solutions
Price$3.99Free — better
Rating4.9 (7 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings7 — better2
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.3 — better17.6
Further details — not scored
Size1 MB25 MB
Age rating4+17+
DeveloperJacob Armour1L Concrete Solutions

Customer experience

Construction Density

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Evap Solutions

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Construction Density

No in-app purchases

2 purchases

Evap Solutions

Subscriptions2
  • Monthly Subscription$9.991 Month
  • Annual Subscription7 Days trial$39.991 Year

Questions

Is Construction Density free?
Construction Density costs $3.99, with no in-app purchases.
Is Evap Solutions free?
Evap Solutions is free to download, with in-app purchases available.
Which has better reviews, Construction Density or Evap Solutions?
Evap Solutions is rated higher. Construction Density averages 4.9 out of 5 from 7 ratings, while Evap Solutions averages 5.0 from 2 ratings.
Do Construction Density or Evap Solutions have ads?
Neither Construction Density nor Evap Solutions shows ads.
Which is updated more often, Construction Density or Evap Solutions?
Construction Density ships an update every 6 months, and Evap Solutions every 3 weeks. Most recently, Construction Density was updated on September 24, 2026 and Evap Solutions on October 2, 2026.

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