# QR Code vs Chemistry Solver

The clearest difference is rating: QR Code at 4.5 against Chemistry Solver's 3.9. QR Code also leads on monetization model (free with in-app purchases vs subscription). Chemistry Solver's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. QR Code sells 2 in-app purchases, starting at $6.99 per 7 days and Chemistry Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

QR Code holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 11 and 23 respectively.

## The numbers

| Metric | QR Code | Chemistry Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/qr-code-scanner-and-reader-app/id6673908821/reviews)** | [3.9 (23 ratings)](https://appshunter.io/ios/app/chemistry-solver-chem-answer/id6736976456/reviews) |
| Number of ratings | 11 | **23** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 11 MB | 5 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Archie Thompson](https://appshunter.io/developer/1749146039) | [Irma Dolidze](https://appshunter.io/developer/1772884262) |

## What reviewers say

### QR Code

[App page](https://appshunter.io/ios/app/qr-code-scanner-and-reader-app/id6673908821)

This utility app efficiently scans QR codes and barcodes, automatically performing the relevant action. It offers a clean interface, scan history, and customizable settings for a seamless user experience.

**Highlights:** Intuitive interface, Automatic action triggers, Scan history log, Customizable settings, Comprehensive scanning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| julianTrial | $6.99 | per 7 days |
| julianNoTrial | $6.99 | per 7 days |


### Chemistry Solver

[App page](https://appshunter.io/ios/app/chemistry-solver-chem-answer/id6736976456)

Instantly solve chemistry problems by taking a photo of your equations or tasks. Get step-by-step explanations and identify reactants and products with AI-powered accuracy. Track your solved equations with a built-in history feature.

**Highlights:** Photo-based problem solving, AI-powered equation balancing, Step-by-step solution explanations, Reactant and product identification, Built-in history of solved equations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Solver Weekly Pro | $4.99 | per 7 days |
| Chemistry Solver Weekly Trial | $4.99 | per 7 days |


## Frequently asked questions

### Is QR Code free?

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

### Is Chemistry Solver free?

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

### Which has better reviews, QR Code or Chemistry Solver?

QR Code is rated higher. QR Code averages 4.5 out of 5 from 11 ratings, while Chemistry Solver averages 3.9 from 23 ratings.

### Do QR Code or Chemistry Solver have ads?

Neither QR Code nor Chemistry Solver shows ads.

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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.*