Head-to-head · B2B data

Apollo.io vs ContactOut

Apollo.io wins 20 of 37 decided metrics across 4 shared suites; the loser still leads where its column is highlighted. Same frozen test sets, same run; the better value in each row is highlighted.

Apollo.io

All-in-one GTM platform: B2B database, prospecting, enrichment, job-posting filters, sequences, dialer and sales automation.

★ 4.7 · 10,265 reviewsA

Access: MCP · CLI · API · CSV · Batch · Webhooks · Integrations

ContactOut

Contact data for recruiting and sales: browser extension, search / enrichment and API, personal and work emails.

★ 4.5 · 128 reviewsB

Access: MCP · API · CSV · Batch · Webhooks · Integrations

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · #3 of 29	ContactOut · #14 of 29
Match rate	90.0%	69.4%
Valid email rate	64.8%	64.7%
Latency p50	1,302ms	1,024ms
Cost / valid email	$0.043	-
Invalid rate	1.9%	11.8%
Catch-all share	31.5%	20.6%
Business email	100.0%	100.0%
Right-person rate	94.4%	94.1%
Decoy hit rate	0.0%	0.0%
Catch-all detection	100.0%	71.4%
Confidence-score quality	-	+63.5 pts
Geographic coverage	9	9

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · not measured	ContactOut · #9 of 24
Match rate	-	85.7%
Valid / reachable rate	-	73.8%
Latency p50	-	490ms
Cost / mobile number	-	-
Right-person rate	-	88.5%
Mobile coverage	-	55.1%
Disconnected rate	-	7.1%
Low-activity share	-	19.0%
Landline / mobile classification	-	-
Country accuracy	-	83.3%
Geographic coverage	-	9

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · #4 of 24	ContactOut · #11 of 24
Profile match rate	100.0%	91.8%
Identity accuracy	100.0%	97.8%
Latency p50	1,303ms	898ms
Price / matched profile	$0.025	-
Current employer accuracy	95.0%	97.8%
Move detection	88.5%	75.0%
Decoy hit rate	100.0%	0.0%
Job title accuracy	71.7%	86.7%
Seniority label accuracy	85.7%	81.6%
Location accuracy	88.3%	95.6%
Work history completeness	6.7	8.2
Education completeness	0.0%	100.0%
Skills present	0.0%	91.1%
Social / profile URLs	81.7%	100.0%
Coverage by geo / function / seniority	100.0%	80.0%

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · #1 of 23	ContactOut · #11 of 23
Domain-to-company match rate	100.0%	97.0%
Company name accuracy	98.0%	95.9%
Latency p50	906ms	707ms
Price / matched company	$0.025	-
Industry accuracy	76.0%	77.3%
Employee count ±20%	73.0%	26.0%
HQ / location accuracy	86.0%	93.8%
Description present	100.0%	96.9%
Founding year accuracy	76.0%	69.1%
Domains / social profiles	97.0%	100.0%
Coverage by country / size	100.0%	90.0%

Jobs Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · #2 of 6	ContactOut · not in suite
Employer coverage	96.7%	-
Postings recall	78.0%	-
Latency p50	3,896ms	-
Cost / job	$0.0023	-
Closed or unknown postings	29.9%	-
Duplicate postings	15.0%	-
Location accuracy	96.3%	-
Posted-date accuracy	67.8%	-
Description present	0.0%	-
Coverage by country	92.9%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	Apollo.io · #1 of 10	ContactOut · #7 of 10
Coverage	100.0%	85.0%
Detection accuracy	55.8%	35.5%
Latency p50	906ms	707ms
Cost / lookup	$0.025	-
Live stack recall	61.8%	37.1%
Technologies per domain	73	80
Dated results	0.0%	0.0%
Coverage by geo / size	100.0%	70.0%

Questions about Apollo.io vs ContactOut

Which is better, Apollo.io or ContactOut?

Apollo.io wins 20 of the 37 metrics decided between them, across 4 benchmarks that measured both. Leaderboard ranks: Email Data: Apollo.io #3 of 29, ContactOut #14 of 29; People Data: Apollo.io #4 of 24, ContactOut #11 of 24; Company Data: Apollo.io #1 of 23, ContactOut #11 of 23; Technographic Data: Apollo.io #1 of 10, ContactOut #7 of 10.

How do Apollo.io and ContactOut compare in user reviews?

Apollo.io holds 4.7 / 5 across 10,265 reviews on G2, Capterra and Product Hunt; ContactOut holds 4.5 / 5 across 128 reviews on G2 and Capterra. Ratings belong to their platforms and play no part in the benchmark grades.

How can you get data out of Apollo.io and ContactOut?

Apollo.io offers an MCP server, a command-line tool, an API, CSV export, batch endpoints, webhooks and native integrations; ContactOut offers an MCP server, an API, CSV export, batch endpoints, webhooks and native integrations. Both offer an MCP server, an API, CSV export, batch endpoints, webhooks and native integrations.