# Equation vs Chemistry Solver

The clearest difference is price: Chemistry Solver at Free against Equation's $1.99. Chemistry Solver also leads on update cadence (daily vs monthly). Equation's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 18.6). On ads and device support there is nothing between them.

Chemistry Solver is free to download; Equation costs $1.99 up front. Chemistry Solver sells 2 in-app purchases, starting at $9.99 per 7 days. Equation asks for nothing beyond the download.

Equation ships an update monthly, Chemistry Solver daily. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Equation | Chemistry Solver |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 14 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Yash Rajesh Gandhe](https://appshunter.io/developer/1798147364) |

## What reviewers say

### Equation

[App page](https://appshunter.io/ios/app/equation-solver-pro/id1618982773)

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

**In-app purchases:** none


### Chemistry Solver

[App page](https://appshunter.io/ios/app/chemistry-solver-chemaipro/id6757688609)

Instantly solve chemistry problems by taking a photo. Access a comprehensive periodic table with detailed element information. This AI-powered tool enhances learning for organic and inorganic chemistry, aiding homework and exam preparation.

**Highlights:** Photo-to-answer chemistry solver, Full explanation for solutions, Complete periodic table with filters, Detailed element profiles, AI-powered learning assistance, Supports Organic and Inorganic Chemistry

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry AI Pro (1 week) | $9.99 | per 7 days |
| Chemistry AI Pro (1 year) | $29.99 | per year |


## Frequently asked questions

### Is Equation free?

Equation costs $1.99, with no in-app purchases.

### Is Chemistry Solver free?

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

### Do Equation or Chemistry Solver have ads?

Neither Equation nor Chemistry Solver shows ads.

### Which is updated more often, Equation or Chemistry Solver?

Equation ships an update monthly, and Chemistry Solver daily. Most recently, Equation was updated on November 7, 2026 and Chemistry Solver 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.*