# CCPS Glossary vs Volumetric Method Simulator

The clearest difference is price: CCPS Glossary at Free against Volumetric Method Simulator's $19.99. CCPS Glossary also leads on update cadence (every 2 months vs every 26 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CCPS Glossary is free to download; Volumetric Method Simulator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CCPS Glossary ships an update every 2 months, Volumetric Method Simulator every 26 months. The most recent releases landed on June 3, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | CCPS Glossary | Volumetric Method Simulator |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ccps-glossary/id1096070774/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 26 months |
| Monetization | Free | — |
| Size | 18 MB | 20 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIChE](https://appshunter.io/developer/726639920) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### CCPS Glossary

[App page](https://appshunter.io/ios/app/ccps-glossary/id1096070774)

This educational tool provides definitions for terms and acronyms commonly found in Chemical Process Safety literature. It helps users expand their understanding of the field and look up unfamiliar terminology.

**Highlights:** Define chemical process safety terms, Look up unknown acronyms, Increase knowledge of chemical process safety, Handy reference tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Volumetric Method Simulator

[App page](https://appshunter.io/ios/app/volumetric-method-simulator/id1475024726)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CCPS Glossary free?

CCPS Glossary is free to download, with no in-app purchases.

### Is Volumetric Method Simulator free?

Volumetric Method Simulator costs $19.99, with no in-app purchases.

### Do CCPS Glossary or Volumetric Method Simulator have ads?

Neither CCPS Glossary nor Volumetric Method Simulator shows ads.

### Which is updated more often, CCPS Glossary or Volumetric Method Simulator?

CCPS Glossary ships an update every 2 months, and Volumetric Method Simulator every 26 months. Most recently, CCPS Glossary was updated on June 3, 2026 and Volumetric Method Simulator on September 4, 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.*