# QR vs Helen图书馆

The clearest difference is in-app purchases: Helen图书馆 at none against QR's 3. Helen图书馆 also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR sells 3 in-app purchases, starting at $9.99 per 7 days. Helen图书馆 asks for nothing beyond the download.

QR ships an update fortnightly, Helen图书馆 every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | QR | Helen图书馆 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/qr-code-and-barcode-scanner-qrgo/id1644873937/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 118 MB | 4 MB |
| Requires iOS | 15.4 | **15** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stepa Mobile FZE LLC](https://appshunter.io/developer/1644873939) | [STARFORTUNE INTERACTIVE ENTERTAINMENT TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1628516807) |

## What reviewers say

### QR

[App page](https://appshunter.io/ios/app/qr-code-and-barcode-scanner-qrgo/id1644873937)

Easily scan and generate various QR and barcode types. Access detailed product and QR code information, maintain a scan history, and create codes for social media. Offers batch scanning and CSV export capabilities.

**Highlights:** Scan 15+ QR & barcode types, Detailed product/food info, QR code data cards, Scan history, Create QR codes, Batch scan, CSV export

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Reader Plus | $9.99 | per 7 days |
| Code Reader Plus | $19.99 | per month |
| Code Reader Plus | $39.99 | per year |

**What reviewers like**

- 👍 Efficient and pleasant experience
- 🚀 Convenient and cool to use
- 💡 Excellent and very helpful framework

**What reviewers complain about**

- 🐛 Misleading free trial, need tutorial
- 🔋 Completely useless

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Need tutorial
- Please cancel this purchase


### Helen图书馆

[App page](https://appshunter.io/ios/app/helen/id6760580229)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR free?

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

### Is Helen图书馆 free?

Helen图书馆 is free to download, with no in-app purchases.

### Do QR or Helen图书馆 have ads?

QR shows ads; Helen图书馆 does not.

### Which is updated more often, QR or Helen图书馆?

QR ships an update fortnightly, and Helen图书馆 every 2 days. Most recently, QR was updated on November 7, 2026 and Helen图书馆 on November 9, 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.*