This app offers professional tools to test your device's display. It includes pure colors, gradients, and tests for dead pixels and uniformity.






250+ iOS apps curated and reviewed
Out of 250+ display color apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (1) | Yes | No | Oct 2026 | ||
| 2 | Free | — | No | No | May 2026 | ||
| 3 | Free | — | Yes | No | Jul 2026 | ||
| 4 | Free | 5.0★ (1) | No | Yes | Nov 2026 | ||
| 5 | Free | — | No | No | Oct 2026 | ||
| 6 | Free | 4.3★ (6) | No | No | Oct 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | — | No | Yes | Jul 2026 |






This app offers professional tools to test your device's display. It includes pure colors, gradients, and tests for dead pixels and uniformity.

Display your favorite color at maximum brightness or choose a random color. Use it as a glow stick or flashlight for events like concerts or sports. Simply push the sleep button to reset auto-brightness.


