# 我爱背单词 vs QR Code

The clearest difference is in-app purchases: 我爱背单词 at none against QR Code's 1. 我爱背单词 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code sells 1 in-app purchase, starting at $4.99 per 7 days. 我爱背单词 asks for nothing beyond the download.

我爱背单词 ships an update every 10 months, QR Code every 14 months. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 我爱背单词 | QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-generator/id6448893858/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 14 months |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 20 MB |
| Requires iOS | 12.0 | **11.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guoqiang Pang](https://appshunter.io/developer/1002889249) | [晓文 刘](https://appshunter.io/developer/1525471628) |

## What reviewers say

### 我爱背单词

[App page](https://appshunter.io/ios/app/id1659382907)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code

[App page](https://appshunter.io/ios/app/qr-code-reader-generator/id6448893858)

Easily scan QR codes and barcodes from your device or photo albums. Generate custom QR codes for various information types, with quick access via widgets. Keep track of your scan history.

**Highlights:** QR code and barcode scanning, QR code generation, Lock screen and desktop widgets, Scan from photo album, Scan history, Multiple QR code types

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro / Week | $4.99 | per 7 days |


## Frequently asked questions

### Is 我爱背单词 free?

我爱背单词 is free to download, with no in-app purchases.

### Is QR Code free?

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

### Do 我爱背单词 or QR Code have ads?

QR Code shows ads; 我爱背单词 does not.

### Which is updated more often, 我爱背单词 or QR Code?

我爱背单词 ships an update every 10 months, and QR Code every 14 months. Most recently, 我爱背单词 was updated on September 28, 2026 and QR Code 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.*