CalculateVolumePro vs Solution Equilibria Lab
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CalculateVolumePro
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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
Solution Equilibria Lab
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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.
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Verdict
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
Both are free to download. CalculateVolumePro sells 1 one-off in-app purchase. Solution Equilibria Lab asks for nothing beyond the download.
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.
| Parameter | CalculateVolumePro | Solution Equilibria Lab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac โ better |
| Requires iOS | 18.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 3 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxime Haeyaert | Oleksandr Rubtsov |
In-app purchases
CalculateVolumePro
- Detailed calculations$0.99
Solution Equilibria Lab
No in-app purchases
Questions
Is CalculateVolumePro free?
Is Solution Equilibria Lab free?
Do CalculateVolumePro or Solution Equilibria Lab have ads?
Which is updated more often, CalculateVolumePro or Solution Equilibria Lab?
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