# Calculator vs Pocket QR Code Reader Scanner

The clearest difference is review sentiment: Calculator at 100% against Pocket QR Code Reader Scanner's 0%. Calculator also leads on rating (4.4 vs 1.0) and in-app purchases (none vs 6). Pocket QR Code Reader Scanner's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pocket QR Code Reader Scanner sells 6 in-app purchases, starting at $8.99 per 7 days. Calculator asks for nothing beyond the download.

Calculator holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Calculator has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Calculator's written reviews are positive against 0% of Pocket QR Code Reader Scanner's.

Calculator ships an update every 3 weeks, Pocket QR Code Reader Scanner daily. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calculator | Pocket QR Code Reader Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/calculator-math-solver-cally/id6747886289/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pocket-qr-code-reader-scanner/id6748239345/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 45 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鑫磊 韩](https://appshunter.io/developer/1747413821) | [Michael Hunter](https://appshunter.io/developer/1824750753) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-math-solver-cally/id6747886289)

This utility app offers a smart and fast way to perform calculations, from basic arithmetic to scientific functions and unit conversions. It also includes features like customization, history tracking, and brain-training math challenges.

**Highlights:** Basic and scientific calculations, Unit conversions, Customizable style, Calculation history, Math challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Pocket QR Code Reader Scanner

[App page](https://appshunter.io/ios/app/pocket-qr-code-reader-scanner/id6748239345)

Easily scan and decode QR codes for various purposes, from unlocking Wi-Fi to accessing digital cards. It also functions as a barcode scanner for product information and price comparison. Generate custom QR codes with personalized styles and save your scan history.

**Highlights:** Instant QR code scanning, Barcode scanning for product info, QR code generation, Customizable QR code styles, Scan history and export, Price comparison for products

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $8.99 | per 7 days |
| Weekly Premium | $8.99 | per 7 days |
| Monthly Premium | $14.99 | per month |
| Monthly Premium | $15.99 | per month |
| Yearly Premium | $83.99 | per year |
| Yearly Premium | $99.99 | per year |


## Frequently asked questions

### Is Calculator free?

Calculator is free to download, with no in-app purchases.

### Is Pocket QR Code Reader Scanner free?

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

### Which has better reviews, Calculator or Pocket QR Code Reader Scanner?

Calculator is rated higher. Calculator averages 4.4 out of 5 from 8 ratings, while Pocket QR Code Reader Scanner averages 1.0 from 1 ratings.

### Do Calculator or Pocket QR Code Reader Scanner have ads?

Both Calculator and Pocket QR Code Reader Scanner show ads.

### Which is updated more often, Calculator or Pocket QR Code Reader Scanner?

Calculator ships an update every 3 weeks, and Pocket QR Code Reader Scanner daily. Most recently, Calculator was updated on October 6, 2026 and Pocket QR Code Reader Scanner on September 30, 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.*