# 一键换算 vs QRElite

The clearest difference is in-app purchases: 一键换算 at none against QRElite's 1. 一键换算 also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. QRElite sells 1 one-off in-app purchase. 一键换算 asks for nothing beyond the download.

一键换算 ships an update every 4 days, QRElite every 3 weeks. The most recent releases landed on August 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 一键换算 | QRElite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 0 MB | 18 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晓明 徐](https://appshunter.io/developer/1030303503) | [冬艳 王](https://appshunter.io/developer/1870722167) |

## What reviewers say

### 一键换算

[App page](https://appshunter.io/ios/app/id6451350869)

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

**In-app purchases:** none


### QRElite

[App page](https://appshunter.io/ios/app/qrelite-batch-barcode-scanner/id6760130279)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QRElite Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is 一键换算 free?

一键换算 is free to download, with no in-app purchases.

### Is QRElite free?

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

### Do 一键换算 or QRElite have ads?

Neither 一键换算 nor QRElite shows ads.

### Which is updated more often, 一键换算 or QRElite?

一键换算 ships an update every 4 days, and QRElite every 3 weeks. Most recently, 一键换算 was updated on August 13, 2026 and QRElite on September 14, 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.*