# Molarity Calcs vs MVU Calculator Pro

The clearest difference is price: Molarity Calcs at Free against MVU Calculator Pro's $1.99. Molarity Calcs also leads on rating (5.0 vs 3.7) and update cadence (every 4 days vs every 5 weeks). MVU Calculator Pro's advantage is ratings volume (6 vs 1). On ads, in-app purchases and device support there is nothing between them.

Molarity Calcs is free to download; MVU Calculator Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Molarity Calcs holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: MVU Calculator Pro has 6 ratings behind it against 1, so its average is the more settled of the two.

Molarity Calcs ships an update every 4 days, MVU Calculator Pro every 5 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Molarity Calcs | MVU Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/molarity-calcs/id1640884409/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/mvu-calculator-pro/id6747508076/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | **Free** | Paid |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Schoellerman](https://appshunter.io/developer/1640884411) | [Anass Damri](https://appshunter.io/developer/1778031747) |

## What reviewers say

### Molarity Calcs

[App page](https://appshunter.io/ios/app/molarity-calcs/id1640884409)

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.

**Highlights:** Mass to volume calculations, Volume to mass calculations, Dilution calculations, Fast and efficient, User-friendly interface

**In-app purchases:** none


### MVU Calculator Pro

[App page](https://appshunter.io/ios/app/mvu-calculator-pro/id6747508076)

This application assists in calculating and monitoring the activity of uterine contractions using Montevideo Units (MVU). It provides a tool for assessing labor progression and uterine performance.

**Highlights:** Calculate Montevideo Units (MVU), Assess uterine contraction activity, Monitor labor progression, Uterine performance assessment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Molarity Calcs free?

Molarity Calcs is free to download, with no in-app purchases.

### Is MVU Calculator Pro free?

MVU Calculator Pro costs $1.99, with no in-app purchases.

### Which has better reviews, Molarity Calcs or MVU Calculator Pro?

Molarity Calcs is rated higher. Molarity Calcs averages 5.0 out of 5 from 1 ratings, while MVU Calculator Pro averages 3.7 from 6 ratings.

### Do Molarity Calcs or MVU Calculator Pro have ads?

Neither Molarity Calcs nor MVU Calculator Pro shows ads.

### Which is updated more often, Molarity Calcs or MVU Calculator Pro?

Molarity Calcs ships an update every 4 days, and MVU Calculator Pro every 5 weeks. Most recently, Molarity Calcs was updated on October 24, 2026 and MVU Calculator Pro on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*