# TestCard ProHD 4k vs Weeknum

The clearest difference is update cadence: Weeknum at weekly against TestCard ProHD 4k's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TestCard ProHD 4k sells 1 one-off in-app purchase and Weeknum sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

TestCard ProHD 4k ships an update every 6 months, Weeknum weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TestCard ProHD 4k | Weeknum |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [J.S. Technology Ltd.](https://appshunter.io/developer/586233093) | [Nadezhda Rozhina](https://appshunter.io/developer/1812121401) |

## 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 |


### Weeknum

[App page](https://appshunter.io/ios/app/weeknum/id6749211927)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget Month | $0.49 | per month |
| Widget Pro | $3.99 | per year |


## Frequently asked questions

### Is TestCard ProHD 4k free?

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

### Is Weeknum free?

Weeknum is free to download, with in-app purchases available.

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

Neither TestCard ProHD 4k nor Weeknum shows ads.

### Which is updated more often, TestCard ProHD 4k or Weeknum?

TestCard ProHD 4k ships an update every 6 months, and Weeknum weekly. Most recently, TestCard ProHD 4k was updated on October 10, 2026 and Weeknum on October 9, 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.*