# Chemical Engineering AppSuite HD vs GROC+

The clearest difference is price: GROC+ at Free against Chemical Engineering AppSuite HD's $0.99. GROC+ also leads on update cadence (every 9 days vs every 2 months). Chemical Engineering AppSuite HD's advantage is chart position (#199 vs unranked) and iOS requirement (7.1 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

GROC+ is free to download; Chemical Engineering AppSuite HD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chemical Engineering AppSuite HD ships an update every 2 months, GROC+ every 9 days. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Chemical Engineering AppSuite HD | GROC+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (81 ratings)](https://appshunter.io/ios/app/chemical-engineering-appsuite-hd/id526158171/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 86.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#199** | — |
| Size | 46 MB | 4 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vector 254 LLC](https://appshunter.io/developer/821141755) | [Thanga Mani](https://appshunter.io/developer/1804018667) |

## What reviewers say

### Chemical Engineering AppSuite HD

[App page](https://appshunter.io/ios/app/chemical-engineering-appsuite-hd/id526158171)

**Currently charting:** #199 Top Paid · Productivity (US App Store)

This comprehensive app suite offers a vast array of tools for chemical engineers, chemists, and students. It includes unit converters, physical property calculations, thermodynamic equations, and specialized calculators for fluid dynamics and more. Access a chemical database, periodic table, and graphing tools.

**Highlights:** Steam table calculations, Chemical database (1000+ compounds), Extensive unit converters, Physical property calculations, Fluid dynamics & process control tools, Thermodynamic equations of state, Vapor-liquid equilibrium prediction

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

**In-app purchases:** none

**What reviewers like**

- 👍 Very useful for chemical engineering
- 💡 Extensive compound database
- 💡 Comprehensive unit converter
- 👍 Great for quick calculations
- 👍 Handy for students and professionals

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Converter issues
- 🐛 Incompatible with newer iOS versions
- 🐛 Some unit conversions are incorrect
- 🐛 Lacks some common compounds

**Reported bugs**

- App shuts down when using converter
- Conversion tables not working with new iOS versions
- Unit converter not working
- App crashes with iOS 11
- App crashes on iOS 7.x

**Requested features**

- Add Internal Energy
- Save imperial units as default
- Add more ranges for Antoine constants
- Functions for choosing equations of state
- Add conical frustum volume calculator


### GROC+

[App page](https://appshunter.io/ios/app/groc-plus/id6483369092)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Engineering AppSuite HD free?

Chemical Engineering AppSuite HD costs $0.99, with no in-app purchases.

### Is GROC+ free?

GROC+ is free to download, with no in-app purchases.

### Do Chemical Engineering AppSuite HD or GROC+ have ads?

Neither Chemical Engineering AppSuite HD nor GROC+ shows ads.

### Which is updated more often, Chemical Engineering AppSuite HD or GROC+?

Chemical Engineering AppSuite HD ships an update every 2 months, and GROC+ every 9 days. Most recently, Chemical Engineering AppSuite HD was updated on October 26, 2026 and GROC+ on October 16, 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.*