# Centripetal force vs QR Code & Barcode

The clearest difference is in-app purchases: Centripetal force at none against QR Code & Barcode's 2. Centripetal force also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. QR Code & Barcode sells 2 in-app purchases, starting at $9.99 per 7 days. Centripetal force asks for nothing beyond the download.

Centripetal force ships an update every 3 days, QR Code & Barcode every 3 weeks. The most recent releases landed on September 11, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Centripetal force | QR Code & Barcode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/qr-code-and-barcode-batch-read/id6759100009/reviews)** |
| Number of ratings | — | **12** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Subscription |
| Size | 11 MB | 38 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dhrishty Ghumar](https://appshunter.io/developer/1760664134) | [Andrii Lupenko](https://appshunter.io/developer/1874572612) |

## What reviewers say

### Centripetal force

[App page](https://appshunter.io/ios/app/centripetal-force/id6596785247)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code & Barcode

[App page](https://appshunter.io/ios/app/qr-code-and-barcode-batch-read/id6759100009)

Instantly scan and generate QR codes and barcodes with advanced features like batch scanning and automatic content recognition. Save and access your scan history, and create custom codes for various uses.

**Highlights:** Instant QR code and barcode scanning, Automatic content type detection, Batch scanning for multiple codes, QR code and barcode generation, Scan history with content and timestamps, Direct action for scanned content

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $9.99 | per 7 days |
| Premium Features Year | $39.99 | per year |


## Frequently asked questions

### Is Centripetal force free?

Centripetal force is free to download, with no in-app purchases.

### Is QR Code & Barcode free?

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

### Do Centripetal force or QR Code & Barcode have ads?

Neither Centripetal force nor QR Code & Barcode shows ads.

### Which is updated more often, Centripetal force or QR Code & Barcode?

Centripetal force ships an update every 3 days, and QR Code & Barcode every 3 weeks. Most recently, Centripetal force was updated on September 11, 2026 and QR Code & Barcode on September 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.*