RGB Test vs ShowPattern
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RGB Test
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RGB Test is a simple and effective app for testing the screen of your iPhone or iPad. It quickly detects dead pixels and checks the accuracy of RGB color display. App Features: Full-screen color tests – red, green, blue, white, black, and more Fast detection of damaged pixels Intuitive interface – test your screen in just a few seconds Contrast check – compare text color against the background Download RGB Test and make sure your screen is working perfectly! RGB Test to prosta i skuteczna aplikacja do testowania ekranu Twojego iPhone’a lub iPada. Pozwala szybko wykryć martwe piksele oraz sprawdzić poprawność wyświetlania kolorów RGB. Funkcje aplikacji: Pełnoekranowe testy kolorów – czerwony, zielony, niebieski, biały, czarny i inne Szybkie wykrywanie uszkodzonych pikseli Intuicyjny interfejs – test ekranu w zaledwie kilka sekund Sprawdzenie kontrastu – porównaj zestawienie koloru tekstu z kolorem tła Pobierz RGB Test i upewnij się, że Twój ekran działa perfekcyjnie!
ShowPattern
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ShowPattern is a tool application. It runs on iOS devices, listens connection request form display test system and renders requested test pattern on screen during the automatic display testing. The test patterns are drawn on-screen real-time from a set of scale-free mathematical equations so it renders exact and accurate test patterns for any display resolution and any screen aspect ratio.
Screenshots
Verdict
The clearest difference is ads: ShowPattern at none against RGB Test's shown. ShowPattern also leads on iOS requirement (12.4 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RGB Test ships an update every 8 months, ShowPattern every 4 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.
| Parameter | RGB Test | ShowPattern |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 9+ | 4+ |
| Developer | Zbigniew Osada | 留云 巢 |
In-app purchases
RGB Test
No in-app purchases
ShowPattern
No in-app purchases
Questions
Is RGB Test free?
Is ShowPattern free?
Do RGB Test or ShowPattern have ads?
Which is updated more often, RGB Test or ShowPattern?
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