Mobile Finder Head-to-Head
AI Ark
Rank #4 · 71.4 ±12.6
LinkUp
Rank #16 · 51.3 ±15.1
Statistically a tie overall (71.4 vs 51.3, within the margin of error) — pick by what matters to you: AI Ark wins on price, US coverage, accuracy and speed; LinkUp wins on EU coverage.
Live-tested by ColdIQ · Updated 2026-07-28
Test AI Ark vs LinkUp on a real profile
Paste a LinkedIn URL and watch both providers race for the mobile number. Free, one run per email — ColdIQ pays for the API calls.
Who are you looking for?
Enter the LinkedIn URL of the person whose phone number you want to find
Comparing
This tool is free to use once per email address.
The numbers, side by side
From the ColdIQ Mobile Finder Leaderboard — same dataset, same scoring. Highlighted cells mark the better value.
| Metric | AI Ark | LinkUp |
|---|---|---|
| ColdIQ Score | 71.4 ±12.6 | 51.3 ±15.1 |
| Price / found number | $0.05 | $0.25 |
| Coverage EU | 11% | 25% |
| Coverage US | 48% | 40% |
| Accuracy | 82% | 70% |
| Speed (median lookup) | 2.3s | 12s |
Updated 2026-07-28 · How the score is built
Where the data comes from
AI Ark
Live-tested by ColdIQEU 3/28 · US 12/25 · run 2026-07-23
Live test 07-23 (N=53): 12/25 US, 3/28 EU — lower US rate than our 07-21 run (7/9). Every number it returned matched another provider (15/15 agreement).
- Pricing verified 2026-07-23: ai-ark.com/pricing ($49/5,000 cr, 5 cr/mobile)
- ColdIQ live test 2026-07-21 (N=19)
LinkUp
Partially live-testedLive-scraping approach — fresher data, slower round-trip. Provider returned 502 on all three of our test windows (07-21, 07-22, 07-23); figures are estimates pending a re-test.
- Pricing basis: ColdIQ marketplace per-call credit price (no public phone pricing on linkupapi.com)
- ColdIQ live tests 2026-07-21 + 2026-07-22 (provider unavailable)
One API key, both providers.
AI Ark and LinkUp are both on the ColdIQ marketplace — call either from your code, billed by credits.