# Chemist Calc vs Chemistry Cool

The clearest difference is rating: Chemist Calc at 5.0 against Chemistry Cool's 2.0. Chemist Calc also leads on monetization model (free vs free with in-app purchases). Chemistry Cool's advantage is update cadence (every 2 months vs every 9 months) and device support (4 vs 2). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Chemist Calc sells 1 one-off in-app purchase and Chemistry Cool sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chemist Calc holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Chemist Calc ships an update every 9 months, Chemistry Cool every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Chemist Calc | Chemistry Cool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemist-calc/id1052603017/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/chemistry-cool/id1577550450/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 57 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) | [Nguyen Le Nguyen](https://appshunter.io/developer/1577550452) |

## What reviewers say

### Chemist Calc

[App page](https://appshunter.io/ios/app/chemist-calc/id1052603017)

This app serves as a smart chemistry calculator for converting between moles and grams. It also provides a comprehensive periodic table with element specifications and unit conversion tools.

**Highlights:** Mole to gram conversion, Gram to mole conversion, Periodic table with element specifications, Unit conversion, Learn chemistry signs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad's | $0.99 | one-time |


### Chemistry Cool

[App page](https://appshunter.io/ios/app/chemistry-cool/id1577550450)

This app provides a comprehensive resource for studying chemistry, featuring over 10,000 reactions with detailed information, a periodic table, and a molar mass calculator. It also includes a solubility table, a game for learning, and offline functionality.

**Highlights:** Over 10,000 chemistry reactions, Detailed compound and element information, Interactive periodic table, Molar mass calculator, Solubility table, Chemistry learning game, Offline functionality

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pay-As-You-Go | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Easy Choice | $3.99 | per 3 months |


## Frequently asked questions

### Is Chemist Calc free?

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

### Is Chemistry Cool free?

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

### Which has better reviews, Chemist Calc or Chemistry Cool?

Chemist Calc is rated higher. Chemist Calc averages 5.0 out of 5 from 1 ratings, while Chemistry Cool averages 2.0 from 2 ratings.

### Do Chemist Calc or Chemistry Cool have ads?

Neither Chemist Calc nor Chemistry Cool shows ads.

### Which is updated more often, Chemist Calc or Chemistry Cool?

Chemist Calc ships an update every 9 months, and Chemistry Cool every 2 months. Most recently, Chemist Calc was updated on November 2, 2026 and Chemistry Cool on November 3, 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.*