# nVent ERICO Card Reader vs QR Maker

The clearest difference is ads: nVent ERICO Card Reader at none against QR Maker's shown. nVent ERICO Card Reader also leads on iOS requirement (8.0 vs 15.0). QR Maker's advantage is update cadence (every 2 weeks vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nVent ERICO Card Reader ships an update every 3 months, QR Maker every 2 weeks. The most recent releases landed on October 14, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | nVent ERICO Card Reader | QR Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nvent-erico-card-reader/id1457214737/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 104 MB | 44 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nVent Management Company](https://appshunter.io/developer/1425153597) | [Doublew](https://appshunter.io/developer/1804300678) |

## What reviewers say

### nVent ERICO Card Reader

[App page](https://appshunter.io/ios/app/nvent-erico-card-reader/id1457214737)

This utility app reads data from a specialized card reader to display lightning strike magnitudes. It logs and stores strike data for easy reporting and association with specific locations and installation times.

**Highlights:** Reads lightning strike magnitude, Stores strike data, Associates data with location and time, Instant strike readings, Easy reporting

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Maker

[App page](https://appshunter.io/ios/app/qr-maker-qr-code-and-scanner/id6754309628)

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

**In-app purchases:** none


## Frequently asked questions

### Is nVent ERICO Card Reader free?

nVent ERICO Card Reader is free to download, with no in-app purchases.

### Is QR Maker free?

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

### Do nVent ERICO Card Reader or QR Maker have ads?

QR Maker shows ads; nVent ERICO Card Reader does not.

### Which is updated more often, nVent ERICO Card Reader or QR Maker?

nVent ERICO Card Reader ships an update every 3 months, and QR Maker every 2 weeks. Most recently, nVent ERICO Card Reader was updated on October 14, 2026 and QR Maker on October 31, 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.*