# Mass Molarity Calculator vs Matrix Calc Plus

The clearest difference is iOS requirement: Mass Molarity Calculator at 13 against Matrix Calc Plus's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Mass Molarity Calculator costs $2.99 and Matrix Calc Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mass Molarity Calculator ships an update every 29 months, Matrix Calc Plus every 26 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mass Molarity Calculator | Matrix Calc Plus |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 26 months** |
| Size | 1 MB | 9 MB |
| Requires iOS | **13** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Mass Molarity Calculator

[App page](https://appshunter.io/ios/app/mass-molarity-calculator/id1351095833)

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

**In-app purchases:** none


### Matrix Calc Plus

[App page](https://appshunter.io/ios/app/matrix-calc-plus/id1592961256)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mass Molarity Calculator free?

Mass Molarity Calculator costs $2.99, with no in-app purchases.

### Is Matrix Calc Plus free?

Matrix Calc Plus costs $2.99, with no in-app purchases.

### Do Mass Molarity Calculator or Matrix Calc Plus have ads?

Neither Mass Molarity Calculator nor Matrix Calc Plus shows ads.

### Which is updated more often, Mass Molarity Calculator or Matrix Calc Plus?

Mass Molarity Calculator ships an update every 29 months, and Matrix Calc Plus every 26 months. Most recently, Mass Molarity Calculator was updated on November 7, 2026 and Matrix Calc Plus on November 3, 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.*