# Chemical Engineering AppSuite HD vs Lucidchart

Chemical Engineering AppSuite HD and Lucidchart both sit at 4.6 stars, but that hides the real split: 86% of Chemical Engineering AppSuite HD's written reviews are positive against 21% of Lucidchart's. Chemical Engineering AppSuite HD also leads on chart position (#185 vs unranked) and iOS requirement (7.1 vs 16.0). Lucidchart's advantage is price (Free vs $0.99) and ratings volume (5.3K vs 81). On rating, update cadence, ads and in-app purchases there is nothing between them.

Lucidchart 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.

On the App Store both sit at effectively the same score — 4.6 for Chemical Engineering AppSuite HD against 4.6 for Lucidchart. That said, the two scores are not equally well evidenced: Lucidchart has 5.3K ratings behind it against 81, so its average is the more settled of the two. Written reviews are what separate them: 86% of Chemical Engineering AppSuite HD's written reviews are positive against 21% of Lucidchart's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Chemical Engineering AppSuite HD | Lucidchart |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.6 (81 ratings)](https://appshunter.io/ios/app/chemical-engineering-appsuite-hd/id526158171/reviews) | **[4.6 (5.3K ratings)](https://appshunter.io/ios/app/lucidchart/id611543423/reviews)** |
| Number of ratings | 81 | **5.3K** |
| Positive reviews | **86.1% of reviews** | 21.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#185** | — |
| Size | 46 MB | 7 MB |
| Requires iOS | **7.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vector 254 LLC](https://appshunter.io/developer/821141755) | [Lucid Software](https://appshunter.io/developer/611543426) |

## What reviewers say

### Chemical Engineering AppSuite HD

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

**Currently charting:** #185 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


### Lucidchart

[App page](https://appshunter.io/ios/app/lucidchart/id611543423)

Create and view diagrams like flowcharts, mind maps, and org charts on your mobile device. This visual workspace facilitates real-time collaboration and data visualization. Diagrams sync instantly to your account and can be exported in various formats.

**Highlights:** Create and edit diagrams, Pre-built templates, Drag-and-drop functionality, Offline document viewing, Real-time collaboration, Export to PDF, PNG, Visio, Integrations with G Suite, Slack, Jira

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive interface
- 👍 Great for creating diagrams and flowcharts
- 💡 Useful templates and shapes

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Locked features behind paywall
- 👎 Poor mobile experience compared to web version
- 🚫 Not available for individual users, only teams/enterprises

**Reported bugs**

- Inability to save or access documents
- Unresponsive controls and UI elements
- Compatibility issues with newer iOS versions

**Requested features**

- Offline mode
- Better Apple Pencil support
- Ability to export to more formats
- Improved text editing functionality


## Frequently asked questions

### Is Chemical Engineering AppSuite HD free?

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

### Is Lucidchart free?

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

### Which has better reviews, Chemical Engineering AppSuite HD or Lucidchart?

Lucidchart is rated higher. Chemical Engineering AppSuite HD averages 4.6 out of 5 from 81 ratings, while Lucidchart averages 4.6 from 5.3K ratings.

### Do Chemical Engineering AppSuite HD or Lucidchart have ads?

Neither Chemical Engineering AppSuite HD nor Lucidchart shows ads.

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

Chemical Engineering AppSuite HD ships an update every 2 months, and Lucidchart every 2 months. Most recently, Chemical Engineering AppSuite HD was updated on November 1, 2026 and Lucidchart on November 10, 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.*