# QR Code Reader vs ECPM

The clearest difference is in-app purchases: ECPM at none against QR Code Reader's 1. ECPM also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code Reader sells 1 in-app purchase, starting at $7.99 per month. ECPM asks for nothing beyond the download.

QR Code Reader ships an update every 5 months, ECPM every 4 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | QR Code Reader | ECPM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 14 MB | 59 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haan Apps](https://appshunter.io/developer/1447021433) | [Invent-App](https://appshunter.io/developer/1437267222) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-pdf-converter/id1612658784)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $7.99 | per month |


### ECPM

[App page](https://appshunter.io/ios/app/ecpm-9th-world-congress/id1644919525)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader free?

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

### Is ECPM free?

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

### Do QR Code Reader or ECPM have ads?

QR Code Reader shows ads; ECPM does not.

### Which is updated more often, QR Code Reader or ECPM?

QR Code Reader ships an update every 5 months, and ECPM every 4 weeks. Most recently, QR Code Reader was updated on October 7, 2026 and ECPM on October 7, 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.*