# ChemE Calculator vs Hyperfocus

The clearest difference is in-app purchases: ChemE Calculator at none against Hyperfocus's 2. ChemE Calculator also leads on ratings volume (9 vs 1) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Hyperfocus sells 2 in-app purchases, starting at $3.99 per month. ChemE Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for ChemE Calculator against 5.0 for Hyperfocus. That said, the two scores are not equally well evidenced: ChemE Calculator has 9 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ChemE Calculator | Hyperfocus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/cheme-calculator/id1329240890/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hyperfocus/id6743770367/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 15 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Tiedemann](https://appshunter.io/developer/1315321665) | [Appetizers Inc.](https://appshunter.io/developer/1794867178) |

## What reviewers say

### ChemE Calculator

[App page](https://appshunter.io/ios/app/cheme-calculator/id1329240890)

This app provides chemical engineering calculations like VLE and steam tables, along with unit conversions and a chemical database. It allows for quick problem-solving on mobile devices, with results exportable via email. Includes kitten pictures for breaks.

**Highlights:** VLE calculations (Flash, Bubble P/T, Dew P/T), Generalized and specific steam table calculations, Unit conversion tool, Chemical database search (PubChem), Email results export, Support for multicomponent mixtures with Peng-Robinson EOS

**Features:** macOS Compatibility

**In-app purchases:** none


### Hyperfocus

[App page](https://appshunter.io/ios/app/hyperfocus/id6743770367)

This app uses AI to help you organize tasks and reduce decision fatigue. Dictate your to-dos, and it will sort, estimate, and break them down into manageable steps. Achieve clarity and focus on what matters.

**Highlights:** AI task organization, Dictate tasks, Task breakdown, Time estimates, Task reordering, Subtask support, Focus on one list

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is ChemE Calculator free?

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

### Is Hyperfocus free?

Hyperfocus is free to download, with in-app purchases available.

### Which has better reviews, ChemE Calculator or Hyperfocus?

Hyperfocus is rated higher. ChemE Calculator averages 4.9 out of 5 from 9 ratings, while Hyperfocus averages 5.0 from 1 ratings.

### Do ChemE Calculator or Hyperfocus have ads?

Neither ChemE Calculator nor Hyperfocus shows ads.

### Which is updated more often, ChemE Calculator or Hyperfocus?

ChemE Calculator ships an update weekly, and Hyperfocus weekly. Most recently, ChemE Calculator was updated on October 19, 2026 and Hyperfocus on October 17, 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.*