# Concrete Calculator Now vs QR Code Reader

The clearest difference is iOS requirement: QR Code Reader at 15.0 against Concrete Calculator Now's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Concrete Calculator Now sells 2 in-app purchases, starting at $0.99 per month and QR Code Reader sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Concrete Calculator Now ships an update every 7 months, QR Code Reader every 4 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Concrete Calculator Now | QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 12 MB | 8 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rancel Hernandez](https://appshunter.io/developer/1811939165) | [SMJ Jewellery (HK) Limited](https://appshunter.io/developer/1721196677) |

## What reviewers say

### Concrete Calculator Now

[App page](https://appshunter.io/ios/app/concrete-calculator-now/id6746773196)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access | $0.99 | per month |
| All access | $9.99 | per year |


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-quick-scan/id6747161597)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week VIP | $6.99 | per 7 days |
| Year VIP | $39.99 | per year |


## Frequently asked questions

### Is Concrete Calculator Now free?

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

### Is QR Code Reader free?

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

### Do Concrete Calculator Now or QR Code Reader have ads?

Neither Concrete Calculator Now nor QR Code Reader shows ads.

### Which is updated more often, Concrete Calculator Now or QR Code Reader?

Concrete Calculator Now ships an update every 7 months, and QR Code Reader every 4 months. Most recently, Concrete Calculator Now was updated on October 10, 2026 and QR Code Reader on October 11, 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.*