# Calculator vs QR Code Reader & Barcode Maker

The clearest difference is update cadence: QR Code Reader & Barcode Maker at every 10 days against Calculator's every 3 weeks. QR Code Reader & Barcode Maker also leads on iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculator sells 4 in-app purchases, starting at $0.99 per 7 days and QR Code Reader & Barcode Maker sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Calculator ships an update every 3 weeks, QR Code Reader & Barcode Maker every 10 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Calculator | QR Code Reader & Barcode Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-and-barcode-maker/id6767822809/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 43 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [卫军 赵](https://appshunter.io/developer/1771299858) | [奇科 李](https://appshunter.io/developer/1867408900) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-supercalc-multifu/id6737301186)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超算-周VIP订阅服务 | $0.99 | per 7 days |
| 超算-月VIP订阅服务 | $3.99 | per month |
| 超算-年VIP订阅服务 | $14.99 | per year |
| 超算-永久VIP服务 | $17.99 | one-time |


### QR Code Reader & Barcode Maker

[App page](https://appshunter.io/ios/app/qr-code-reader-and-barcode-maker/id6767822809)

Easily scan and generate QR codes and barcodes for various purposes. Features include batch scanning for inventory, creating codes for links, text, social media, and events, with all records saved for quick access.

**Highlights:** Millisecond-level QR and barcode recognition, Batch continuous scanning for inventory, Generate QR codes for URLs, text, social, and events, Supports barcode generation, Automatic saving of scan and generation history, Select photos from album for recognition

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vip for a week | $3.99 | per 7 days |
| Vip January | $7.99 | per month |
| Vip for one year | $29.99 | per year |


## Frequently asked questions

### Is Calculator free?

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

### Is QR Code Reader & Barcode Maker free?

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

### Do Calculator or QR Code Reader & Barcode Maker have ads?

Neither Calculator nor QR Code Reader & Barcode Maker shows ads.

### Which is updated more often, Calculator or QR Code Reader & Barcode Maker?

Calculator ships an update every 3 weeks, and QR Code Reader & Barcode Maker every 10 days. Most recently, Calculator was updated on September 14, 2026 and QR Code Reader & Barcode Maker on September 19, 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.*