Fast Molality Calculator vs VS&CoLab
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fast Molality Calculator
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Lab Calculator is a lightweight science calculator for common solution concentration work in class, lab preparation, and research routines. Switch between percent concentration, molarity, dilution, and ppm/ppb tools. Enter the known values, choose units, and calculate the missing value without setting up a spreadsheet. Key features - Percent concentration: calculate %, solute mass, or solution volume - Molar concentration: calculate concentration, molecular weight, mass, or volume - Dilution calculator: based on C1 x V1 = C2 x V2 - ppm/ppb calculator: trace concentration using mg/L - Unit selection: g, mg, ΞΌg, L, ml, ΞΌl, M, mM, ΞΌM, and more - Quick reset: clear inputs and start a new calculation - Compact layout: designed for fast use on small screens Useful for - Students preparing chemistry experiments - Researchers working with stock and working solutions - Users who often check percent concentration, dilution, or ppm values - Anyone who wants a simple calculator instead of a spreadsheet No account is required. Values entered for calculation are not sent to a server.
VS&CoLab
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VS&CoLab is designed to inspire personal growth and professional development. It offers exclusive learning experiences to help you thrive. Join us on a continuous learning and empowerment journey within the VS&Co family. Download VS&CoLab today!
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Verdict
The clearest difference is ads: VS&CoLab at none against Fast Molality Calculator's shown. VS&CoLab also leads on update cadence (every 3 weeks vs every 35 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fast Molality Calculator ships an update every 35 months, VS&CoLab every 3 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.
| Parameter | Fast Molality Calculator | VS&CoLab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 35 months | Every 3 weeks β better |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 30 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | JIN-HYUNG KIM | Growth Engineering |
In-app purchases
Fast Molality Calculator
No in-app purchases
VS&CoLab
No in-app purchases
Questions
Is Fast Molality Calculator free?
Is VS&CoLab free?
Do Fast Molality Calculator or VS&CoLab have ads?
Which is updated more often, Fast Molality Calculator or VS&CoLab?
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