Molarity Calcs vs Half That Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Molarity Calcs
This app helps users quickly calculate molarity for various chemistry needs. It supports calculations for mass to volume, volume to mass, and dilutions, making it a handy tool for students and professionals.
- Mass to volume calculations
- Volume to mass calculations
- Dilution calculations
- Fast and efficient
- User-friendly interface
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Calculate mass to add to a volume, volume to add to a mass, or make a dilution. Fast.
Half That Calculator
This app quickly calculates half of any number you enter, supporting both decimals and fractions. It's a handy tool for various projects like crafting, woodworking, and construction.
- Calculate half of any number
- Supports decimal input
- Supports fraction input (up to 32nds)
- Useful for crafts and construction
- Simple and intuitive interface
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Simply enter a number to calculate half that number. Great for crafts, woodworking, construction, and more! Allows you to enter decimals or fractions (up to 32nds).
Screenshots
Verdict
The clearest difference is ads: Molarity Calcs at none against Half That Calculator's shown. Molarity Calcs also leads on update cadence (every 4 days vs every 6 months) and monetization model (free vs ad-supported). Half That Calculator's advantage is iOS requirement (13.0 vs 15.5). On price, rating, ratings volume and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Molarity Calcs against 5.0 for Half That Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Molarity Calcs ships an update every 4 days, Half That Calculator every 6 months. Both last shipped on November 3, 2026.
| Parameter | Molarity Calcs | Half That Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 days — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Jeff Schoellerman | Innovative Tomato, LLC |
Customer experience
Molarity Calcs
Half That Calculator
In-app purchases
Molarity Calcs
No in-app purchases
Half That Calculator
No in-app purchases
Questions
Is Molarity Calcs free?
Is Half That Calculator free?
Which has better reviews, Molarity Calcs or Half That Calculator?
Do Molarity Calcs or Half That Calculator have ads?
Which is updated more often, Molarity Calcs or Half That Calculator?
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