# QR Code Scanner vs Rudder Authority Estimator

The clearest difference is in-app purchases: Rudder Authority Estimator at none against QR Code Scanner's 4. Rudder Authority Estimator also leads on update cadence (every 4 days vs every 2 weeks). QR Code Scanner's advantage is iOS requirement (13 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. QR Code Scanner sells 4 in-app purchases, starting at $9.99 per 7 days. Rudder Authority Estimator asks for nothing beyond the download.

QR Code Scanner ships an update every 2 weeks, Rudder Authority Estimator every 4 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | QR Code Scanner | Rudder Authority Estimator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 27 MB | 2 MB |
| Requires iOS | **13** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Hyper links](https://appshunter.io/developer/1841844895) | [LEES LTD](https://appshunter.io/developer/6799893135) |

## What reviewers say

### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-pixloo/id6752938371)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $9.99 | per 7 days |
| Tygodniowy okres próbny Pro-3 dni | $9.99 | per 7 days |
| Monthly Pro | $14.99 | per month |
| Yearly Pro | $39.99 | per year |


### Rudder Authority Estimator

[App page](https://appshunter.io/ios/app/rudder-authority-estimator/id6799893133)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Scanner free?

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

### Is Rudder Authority Estimator free?

Rudder Authority Estimator is free to download, with no in-app purchases.

### Do QR Code Scanner or Rudder Authority Estimator have ads?

Neither QR Code Scanner nor Rudder Authority Estimator shows ads.

### Which is updated more often, QR Code Scanner or Rudder Authority Estimator?

QR Code Scanner ships an update every 2 weeks, and Rudder Authority Estimator every 4 days. Most recently, QR Code Scanner was updated on October 2, 2026 and Rudder Authority Estimator 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.*