# TestCard ProHD 4k vs Etherma NFC

The clearest difference is in-app purchases: Etherma NFC at none against TestCard ProHD 4k's 1. Etherma NFC also leads on iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. TestCard ProHD 4k sells 1 one-off in-app purchase. Etherma NFC asks for nothing beyond the download.

## The numbers

| Metric | TestCard ProHD 4k | Etherma NFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (8 ratings)](https://appshunter.io/ios/app/testcard-prohd-4k/id705103583/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 3 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J.S. Technology Ltd.](https://appshunter.io/developer/586233093) | [Ouman Oy](https://appshunter.io/developer/1129672371) |

## What reviewers say

### TestCard ProHD 4k

[App page](https://appshunter.io/ios/app/testcard-prohd-4k/id705103583)

Calibrate your home theater's audio and visual elements with a suite of professional test cards. Diagnose lip-sync issues and optimize picture settings like contrast, brightness, color, motion, and sharpness. Includes an SPL meter for sound setup.

**Highlights:** Screen calibration for contrast, brightness, and color, Motion and sharpness test cards, SPL (decibel) meter for surround sound setup, Audio visual synchronization test for lip-sync, Instructions displayed on device while test card shows on external display, Compatibility testing before in-app purchase

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Test Cards | $4.99 | one-time |


### Etherma NFC

[App page](https://appshunter.io/ios/app/etherma-nfc/id6475762741)

**In-app purchases:** none


## Frequently asked questions

### Is TestCard ProHD 4k free?

TestCard ProHD 4k is free to download, with in-app purchases available.

### Is Etherma NFC free?

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

### Do TestCard ProHD 4k or Etherma NFC have ads?

Neither TestCard ProHD 4k nor Etherma NFC shows ads.

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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.*