# Chemical Engineering Formulate vs VIA App

The clearest difference is price: VIA App at Free against Chemical Engineering Formulate's $4.99. VIA App also leads on in-app purchases (none vs 1) and update cadence (every 3 months vs every 8 months). On ads and device support there is nothing between them.

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

Chemical Engineering Formulate ships an update every 8 months, VIA App every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chemical Engineering Formulate | VIA App |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[1.3 (46 ratings)](https://appshunter.io/ios/app/via-app/id883509803/reviews)** |
| Number of ratings | — | **46** |
| Positive reviews | 0.0% of reviews | **8.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 19 MB | 37 MB |
| Requires iOS | 18.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Kramer Electronics Ltd.](https://appshunter.io/developer/694685194) |

## 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 |


### VIA App

[App page](https://appshunter.io/ios/app/via-app/id883509803)

This app enables seamless wireless collaboration by connecting all devices in a meeting space to a primary presentation screen. It supports BYOD, HD video streaming, and multi-display presentations, transforming any screen into a dynamic meeting point for ideas.

**Highlights:** BYOD Wireless Collaboration, HD Video Streaming, Multi-Display Presentation, Interactive Touch Collaboration, Interactive Whiteboard, VIA Cloud

**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 VIA App free?

VIA App is free to download, with no in-app purchases.

### Do Chemical Engineering Formulate or VIA App have ads?

Neither Chemical Engineering Formulate nor VIA App shows ads.

### Which is updated more often, Chemical Engineering Formulate or VIA App?

Chemical Engineering Formulate ships an update every 8 months, and VIA App every 3 months. Most recently, Chemical Engineering Formulate was updated on October 23, 2026 and VIA App on October 24, 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.*