# QR Code Reader & Generator App vs SUM NUM

The clearest difference is in-app purchases: SUM NUM at none against QR Code Reader & Generator App's 3. SUM NUM also leads on ads (none vs shown) and rating (5.0 vs 4.7). QR Code Reader & Generator App's advantage is ratings volume (1.2K vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code Reader & Generator App sells 3 in-app purchases, starting at $0.99 per 7 days. SUM NUM asks for nothing beyond the download.

SUM NUM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: QR Code Reader & Generator App has 1.2K ratings behind it against 1, so its average is the more settled of the two.

QR Code Reader & Generator App ships an update every 3 months, SUM NUM monthly. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | QR Code Reader & Generator App | SUM NUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.2K ratings)](https://appshunter.io/ios/app/qr-code-reader-and-generator-app/id885743052/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-num/id6755496124/reviews)** |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 19 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Penghui Zhao](https://appshunter.io/developer/421609849) | [Subway de Guatemala SA](https://appshunter.io/developer/1264179918) |

## What reviewers say

### QR Code Reader & Generator App

[App page](https://appshunter.io/ios/app/qr-code-reader-and-generator-app/id885743052)

Easily scan and generate QR codes and barcodes for various information types. Customize your QR codes with colors, logos, and shapes before sharing them. Supports a wide range of code types and batch scanning.

**Highlights:** Scan QR codes and barcodes, Create QR codes and barcodes, Support for multiple code types, Batch scanning, Customize QR code appearance, Add logo to QR codes, Share codes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Subscription | $0.99 | per 7 days |
| Pro Monthly Subscription | $1.99 | per month |
| Pro Upgrade | $1.99 | one-time |

**What reviewers like**

- 👍 Useful for finding ads
- 👍 Great experience at Livonia Greenmead Branch
- 👍 Best scanning app so far

**What reviewers complain about**

- 🐛 Won't focus on QR codes
- 🐛 Constant app crashes
- 🐛 Couldn't change barcode type
- 🐛 Buttons don't work after creating QR code
- 🐛 Doesn't read QR code it created

**Reported bugs**

- Takes to blank screen after scanning
- App closes when selecting a 'type'

**Requested features**

- Option to include photo in manual create mode


### SUM NUM

[App page](https://appshunter.io/ios/app/sum-num/id6755496124)

This app helps manage inventory, convert measurements, and perform financial calculations for business operations. It features a calculator with history, a comprehensive unit converter, and advanced financial tools like interest and amortization calculations.

**Highlights:** Calculator with history, Unit converter for mass, volume, length, temperature, Financial calculator (interest, TVM, amortization), Save and reuse calculation results, Export financial results to PDF

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader & Generator App free?

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

### Is SUM NUM free?

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

### Which has better reviews, QR Code Reader & Generator App or SUM NUM?

SUM NUM is rated higher. QR Code Reader & Generator App averages 4.7 out of 5 from 1.2K ratings, while SUM NUM averages 5.0 from 1 ratings.

### Do QR Code Reader & Generator App or SUM NUM have ads?

QR Code Reader & Generator App shows ads; SUM NUM does not.

### Which is updated more often, QR Code Reader & Generator App or SUM NUM?

QR Code Reader & Generator App ships an update every 3 months, and SUM NUM monthly. Most recently, QR Code Reader & Generator App was updated on October 13, 2026 and SUM NUM on October 1, 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.*