Comparison

CalculateVolumePro vs Solution Equilibria Lab

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

Head to head
About

CalculateVolumePro

Features
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Within this application, volume calculations can be solved quickly, it will be much easier and faster with this complete application. It is now easier to solve exercises and check his calculations. And with a single click! Simply enter the known elements and the application takes care of the rest. Feel free to post notices to advance this application and we can bring new features. For any question / suggestion: TeamTrigoIOS@gmail.com

About

Solution Equilibria Lab

Features
Read full description

The Solution Equilibria Lab application is designed to calculate equilibrium constants (dissociation constants of weak acids and solubility products of sparingly soluble salts) from acid-base and precipitation potentiometric titration data in aqueous solutions. It covers titrations of weak monobasic acids and their mixtures, dibasic acids, and the precipitation of sparingly soluble salts of 1:1 and 1:2 valence types. The application accurately processes experimental data and determines the thermodynamic constants of the corresponding equilibrium processes. This powerful analytical tool is designed for chemists, researchers, teachers, and students to quickly and reliably estimate equilibrium constants from potentiometric titration data. Whether in the lab or the classroom, this application provides accurate calculations in real time, excellent solution visualization via diagrams, a user-friendly interface, and the ability to export the solution to a file for further work. The Solution Equilibria Lab app is designed for both scientists and students and is now optimized for mobile devices.

Screenshots

CalculateVolumePro4 screens
Solution Equilibria Lab4 screens

Verdict

The call

The clearest difference is in-app purchases: Solution Equilibria Lab at none against CalculateVolumePro's 1. Solution Equilibria Lab also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). CalculateVolumePro's advantage is update cadence (weekly vs every 2 months). On price and ads there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CalculateVolumePro sells 1 one-off in-app purchase. Solution Equilibria Lab asks for nothing beyond the download.

UpkeepUpdate frequency

CalculateVolumePro ships an update weekly, Solution Equilibria Lab every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard4 real differences ยท 2 level
CalculateVolumePro versus Solution Equilibria Lab: the parameters behind the verdict, then further details
ParameterCalculateVolumeProSolution Equilibria Lab
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac โ€” better
Requires iOS18.015.0 โ€” better
Further details โ€” not scored
Size3 MB114 MB
Age rating4+4+
DeveloperMaxime HaeyaertOleksandr Rubtsov

In-app purchases

1 purchases

CalculateVolumePro

One-time1
  • Detailed calculations$0.99
None

Solution Equilibria Lab

No in-app purchases

Questions

Is CalculateVolumePro free?
CalculateVolumePro is free to download, with in-app purchases available.
Is Solution Equilibria Lab free?
Solution Equilibria Lab is free to download, with no in-app purchases.
Do CalculateVolumePro or Solution Equilibria Lab have ads?
Neither CalculateVolumePro nor Solution Equilibria Lab shows ads.
Which is updated more often, CalculateVolumePro or Solution Equilibria Lab?
CalculateVolumePro ships an update weekly, and Solution Equilibria Lab every 2 months. Most recently, CalculateVolumePro was updated on October 25, 2026 and Solution Equilibria Lab on October 28, 2026.

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