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apps / 422579926

Color-Blindness Test

zhang xi · Health & Fitness · $1.99 · US storefront

rating
1.0 ★
ratings
1
updated
Jun 11, 2026

v4.4

released
Mar 5, 2011

visible word pool · 3 words

colorblindnesstest

title 20/30 chars · subtitle unavailable

App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Color-Blindness Test's pool that are public — the keyword field is not exposed by any API.

from the listing

Color-Blindness Test is a simple, ad-free way to check your color vision using the classic Ishihara plate method. Color blindness is the inability to distinguish between certain colors. It results from a deficiency of color-sensitive pigment in the cone cells of the retina. The most common form is red-green color blindness, where red and green are perceived as the same color. Roughly 8% of men and 0.5% of women are affected, most of them from birth. FEATURES • 50…

full listing on the App Store ↗

latest US reviews

★★★★

Bad test doest tell you what type

Its only images with the answers. Doest tell what type. Want my money back

Disney emp

★★★★

Bad App - Don't Buy

Bad App. Will not open on any version of IPad. Doesn't stop them from taking your money though!

Mlfchk

★★★★

Junk

This app will not open!

nocookchili

Newest first, from Apple's public reviews feed. Agents can pull hundreds per storefront with the reviews tool.

Where does it rank? Chart position is one signal — most installs come from keyword search. Check where Color-Blindness Test ranks for any keyword, free, with the rank checker.

this page is one tool call

mcp · app
{
  "tool": "app",
  "arguments": {
    "appId": 422579926,
    "countries": [
      "US"
    ],
    "subtitle": true
  }
}

The app tool returns this listing as stable JSON for any storefront — one of thirteen ASO tools your agent gets over MCP. Get a free key.

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