# Solubility Products vs Chemist Calc

The clearest difference is price: Chemist Calc at Free against Solubility Products's $3.99. Solubility Products's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 9 months). On ads, device support and iOS requirement there is nothing between them.

Chemist Calc is free to download; Solubility Products costs $3.99 up front. Chemist Calc sells 1 one-off in-app purchase. Solubility Products asks for nothing beyond the download.

Solubility Products ships an update every 4 months, Chemist Calc every 9 months. The most recent releases landed on September 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Solubility Products | Chemist Calc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chemist-calc/id1052603017/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | — | Free |
| Size | 1 MB | 11 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) |

## What reviewers say

### Solubility Products

[App page](https://appshunter.io/ios/app/solubility-products/id981052864)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Solubility Products free?

Solubility Products costs $3.99, with no in-app purchases.

### Is Chemist Calc free?

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

### Do Solubility Products or Chemist Calc have ads?

Neither Solubility Products nor Chemist Calc shows ads.

### Which is updated more often, Solubility Products or Chemist Calc?

Solubility Products ships an update every 4 months, and Chemist Calc every 9 months. Most recently, Solubility Products was updated on September 14, 2026 and Chemist Calc 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.*