# TestCard ProHD 4k vs FreqChat

The clearest difference is in-app purchases: FreqChat at none against TestCard ProHD 4k's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | TestCard ProHD 4k | FreqChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (9 ratings)](https://appshunter.io/ios/app/testcard-prohd-4k/id705103583/reviews)** | — |
| Number of ratings | **9** | — |
| 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 | 1 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [J.S. Technology Ltd.](https://appshunter.io/developer/586233093) | [Joseph Raymond](https://appshunter.io/developer/574187566) |

## 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 |


### FreqChat

[App page](https://appshunter.io/ios/app/freqchat/id6742805092)

**Features:** macOS Compatibility

**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 FreqChat free?

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

### Do TestCard ProHD 4k or FreqChat have ads?

Neither TestCard ProHD 4k nor FreqChat 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.*