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Get Started Free →When the user wants to create, optimize, or audit a download page for desktop or mobile app. Also use when the user mentions "download page," "app download," "desktop download," "mobile app download," "App Store," "Play Store," "get the app," "install app," or "download CTA." For app install ads, use app-ads.
.claude/skills/kostja94-download-page-generator/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 6% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 19% | 0% |
| case-05 | ✗→✓ | ▲ Improved | 15% | 0% |
| case-10 | ✗→✓ | ▲ Improved | 26% | 0% |
| case-12 | ✗→✓ | ▲ Improved | 3% | 0% |
Guides download page structure and optimization for desktop and mobile app downloads. Purpose: convert visitors into installers by clearly presenting value, platform options, and trust signals.
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for product, audience, and value proposition.
Identify:
| Purpose | Goal | |---------|------| | Download | Guide users to install desktop or mobile app | | Trust | Build confidence before download (security, privacy, reviews) | | Conversion | Maximize download rate, store visits, install conversion |
| Step | Purpose | Elements | |------|---------|----------| | 1. Value proposition | Why download | Headline, benefit-focused copy, key features | | 2. Platform selection | Clear path | Desktop: OS detection or manual pick; Mobile: App Store / Play Store buttons | | 3. Trust signals | Reduce friction | Ratings, download count, security badges, privacy note | | 4. Visual proof | Show the app | Screenshots, app previews, video | | 5. CTA | Primary action | Single, prominent download button |
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→pass | 18,821 | 14,735 | -22% | 1 | 1 | 0% | 3,240 | 3,436 | +6% | 0 | 0 | — |
case-02 | pass→pass | 13,927 | 10,320 | -26% | 1 | 1 | 0% | 2,468 | 2,742 | +11% | 0 | 0 | — |
case-03 | fail→pass | 10,673 | 7,036 | -34% | 1 | 1 | 0% | 1,746 | 2,075 | +19% | 0 | 0 | — |
case-04 | pass→pass | 10,987 | 7,569 | -31% | 1 | 1 | 0% | 1,722 | 2,346 | +36% | 0 | 0 | — |
case-05 | fail→pass | 12,347 | 9,182 | -26% | 1 | 1 | 0% | 2,180 | 2,508 | +15% | 0 | 0 | — |
case-06 | pass→pass | 10,084 | 10,213 | +1% | 1 | 1 | 0% | 1,701 | 2,425 | +43% | 0 | 0 | — |
case-07 | pass→pass | 12,781 | 9,880 | -23% | 1 | 1 | 0% | 2,445 | 2,742 | +12% | 0 | 0 | — |
case-08 | pass→pass | 8,518 | 5,112 | -40% | 1 | 1 | 0% | 1,591 | 1,849 | +16% | 0 | 0 | — |
case-09 | fail→fail | 9,860 | 8,775 | -11% | 1 | 1 | 0% | 1,816 | 2,463 | +36% | 0 | 0 | — |
case-10 | fail→pass | 10,274 | 8,107 | -21% | 1 | 1 | 0% | 1,698 | 2,146 | +26% | 0 | 0 | — |
case-11 | pass→pass | 10,291 | 7,621 | -26% | 1 | 1 | 0% | 1,691 | 2,180 | +29% | 0 | 0 | — |
case-12 | fail→pass | 13,305 | 6,851 | -49% | 1 | 1 | 0% | 2,099 | 2,153 | +3% | 0 | 0 | — |
case-13 | pass→pass | 11,078 | 7,477 | -33% | 1 | 1 | 0% | 1,759 | 2,261 | +29% | 0 | 0 | — |
case-14 | pass→pass | 13,682 | 12,239 | -11% | 1 | 1 | 0% | 2,297 | 2,729 | +19% | 0 | 0 | — |
case-20 | pass→pass | 19,143 | 13,291 | -31% | 1 | 1 | 0% | 3,154 | 3,293 | +4% | 0 | 0 | — |
case-15 | fail→fail | 12,483 | 10,880 | -13% | 1 | 1 | 0% | 1,930 | 2,556 | +32% | 0 | 0 | — |
case-16 | pass→pass | 11,063 | 9,400 | -15% | 1 | 1 | 0% | 1,902 | 2,699 | +42% | 0 | 0 | — |
case-17 | pass→pass | 8,415 | 9,376 | +11% | 1 | 1 | 0% | 1,357 | 2,661 | +96% | 0 | 0 | — |
case-18 | fail→pass | 14,600 | 10,158 | -30% | 1 | 1 | 0% | 2,299 | 2,496 | +9% | 0 | 0 | — |
case-19 | pass→pass | 6,060 | 3,932 | -35% | 1 | 1 | 0% | 990 | 1,790 | +81% | 0 | 0 | — |
case-21 | pass→pass | 19,151 | 13,659 | -29% | 1 | 1 | 0% | 2,995 | 3,222 | +8% | 0 | 0 | — |
case-22 | pass→pass | 40,184 | 18,814 | -53% | 1 | 1 | 0% | 3,522 | 3,243 | -8% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +27 percentage points is the difference between those two pass rates over the 22 comparable cases.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.