# QR Code Check & Barcode Reader vs AI Calculator & Math Solver

The clearest difference is rating: AI Calculator & Math Solver at 5.0 against QR Code Check & Barcode Reader's 1.0. AI Calculator & Math Solver also leads on ratings volume (5 vs 1). QR Code Check & Barcode Reader's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. QR Code Check & Barcode Reader sells 3 in-app purchases, starting at $6.99 per 7 days and AI Calculator & Math Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Calculator & Math Solver holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: AI Calculator & Math Solver has 5 ratings behind it against 1, so its average is the more settled of the two.

QR Code Check & Barcode Reader ships an update every 6 days, AI Calculator & Math Solver weekly. The most recent releases landed on June 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | QR Code Check & Barcode Reader | AI Calculator & Math Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-check-and-barcode-reader/id6740921389/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ai-calculator-and-math-solver/id6743431046/reviews)** |
| Number of ratings | 1 | **5** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 30 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dos Mukasan](https://appshunter.io/developer/1810224954) | [Lori Nguyen](https://appshunter.io/developer/1872689629) |

## What reviewers say

### QR Code Check & Barcode Reader

[App page](https://appshunter.io/ios/app/qr-code-check-and-barcode-reader/id6740921389)

Instantly scan and decode QR codes and barcodes with your smartphone camera. Access product details, URLs, and contact information quickly. The app saves your scan history for easy reference.

**Highlights:** Fast scanning, Wide format support, Simple interface, Detailed results, Scan history log, Create QR codes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $6.99 | per 7 days |
| Weekly trial subscription | $6.99 | per 7 days |
| Lifetime access | $6.99 | one-time |


### AI Calculator & Math Solver

[App page](https://appshunter.io/ios/app/ai-calculator-and-math-solver/id6743431046)

This app offers instant math solutions with step-by-step explanations for various math problems, from basic arithmetic to calculus. It features AI-powered recognition of handwritten and typed equations, a scanner, graphing capabilities, and unit conversion.

**Highlights:** Instant math solutions, Step-by-step explanations, AI-powered problem solving, Equation scanner, Graphing calculator, Unit & currency converter

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solver PRO (weekly) | $4.99 | per 7 days |
| Solver PRO (monthly) | $12.99 | per month |
| Solver PRO (yearly) | $39.99 | per year |


## Frequently asked questions

### Is QR Code Check & Barcode Reader free?

QR Code Check & Barcode Reader is free to download, with in-app purchases available.

### Is AI Calculator & Math Solver free?

AI Calculator & Math Solver is free to download, with in-app purchases available.

### Which has better reviews, QR Code Check & Barcode Reader or AI Calculator & Math Solver?

AI Calculator & Math Solver is rated higher. QR Code Check & Barcode Reader averages 1.0 out of 5 from 1 ratings, while AI Calculator & Math Solver averages 5.0 from 5 ratings.

### Do QR Code Check & Barcode Reader or AI Calculator & Math Solver have ads?

Neither QR Code Check & Barcode Reader nor AI Calculator & Math Solver shows ads.

### Which is updated more often, QR Code Check & Barcode Reader or AI Calculator & Math Solver?

QR Code Check & Barcode Reader ships an update every 6 days, and AI Calculator & Math Solver weekly. Most recently, QR Code Check & Barcode Reader was updated on June 8, 2026 and AI Calculator & Math Solver on September 28, 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.*