# Chemical Engineering Formulate vs Statistics Calculation

The clearest difference is price: Statistics Calculation at Free against Chemical Engineering Formulate's $4.99. Statistics Calculation also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 8 months). On ads and device support there is nothing between them.

Statistics Calculation is free to download; Chemical Engineering Formulate costs $4.99 up front. Chemical Engineering Formulate sells 1 one-off in-app purchase. Statistics Calculation asks for nothing beyond the download.

Chemical Engineering Formulate ships an update every 8 months, Statistics Calculation fortnightly. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Chemical Engineering Formulate | Statistics Calculation |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 19 MB | 31 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### Chemical Engineering Formulate

[App page](https://appshunter.io/ios/app/chemical-engineering-formulate/id354670363)

This comprehensive reference tool provides over 1,500 formulas, calculators, and conversion charts for chemical engineering professionals and students. It covers a wide range of topics including heat transfer, fluid mechanics, and reaction kinetics, with support for both US and Metric units.

**Highlights:** 1,500+ formulas and calculators, 700+ engineering calculators, US/Metric unit toggle, Dual-unit display, Searchable reference tables, Offline functionality, Save and share calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Pro | $3.99 | one-time |


### Statistics Calculation

[App page](https://appshunter.io/ios/app/statistics-calculation/id6739030466)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Engineering Formulate free?

Chemical Engineering Formulate costs $4.99, and also offers in-app purchases.

### Is Statistics Calculation free?

Statistics Calculation is free to download, with no in-app purchases.

### Do Chemical Engineering Formulate or Statistics Calculation have ads?

Neither Chemical Engineering Formulate nor Statistics Calculation shows ads.

### Which is updated more often, Chemical Engineering Formulate or Statistics Calculation?

Chemical Engineering Formulate ships an update every 8 months, and Statistics Calculation fortnightly. Most recently, Chemical Engineering Formulate was updated on October 18, 2026 and Statistics Calculation on October 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.*