Fast Molality Calculator vs Trustity Authenticator
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.
Trustity Authenticator
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TOTP authenticator for Trustity β Secure the Future of Work. β’ 6-digit codes compatible with Google Authenticator and other TOTP apps β’ Scan QR codes to add accounts β’ Secure storage in device Keychain β’ Push notifications support Trustity Authenticator is part of the Trustity security ecosystem.
Screenshots
Verdict
The clearest difference is ads: Trustity Authenticator at none against Fast Molality Calculator's shown. Trustity Authenticator also leads on update cadence (every 5 months 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, Trustity Authenticator every 5 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.
| Parameter | Fast Molality Calculator | Trustity Authenticator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 35 months | Every 5 months β better |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 30 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | JIN-HYUNG KIM | Tal Yosef |
In-app purchases
Fast Molality Calculator
No in-app purchases
Trustity Authenticator
No in-app purchases
Questions
Is Fast Molality Calculator free?
Is Trustity Authenticator free?
Do Fast Molality Calculator or Trustity Authenticator have ads?
Which is updated more often, Fast Molality Calculator or Trustity Authenticator?
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