Compare the tools
Data & enrichment 
Apollo.io vs 
Kaspr
Apollo.io Kaspr Apollo.io vs Kaspr
Both tools are listed in the same category, so they compete for the same slot in your stack.
Functional coverage
How many capabilities each tool covers. Breadth, not quality: a focused tool can be the better fit.
Apollo.io 3/12 Large B2B contact database bundled with sequencing and dialling.
Kaspr 3/12 LinkedIn extension surfacing phone numbers and emails on a profile.
Capability table
Derived from the categories and tags recorded for each tool — not a quality rating.
| What it does | Apollo.io | Kaspr |
|---|---|---|
| Works on LinkedIn | No | Yes |
| Email outreach | Yes | No |
| Campaigns & sequences | Yes | No |
| Browser extension | No | Yes |
| CRM / pipeline | No | No |
| Contact data | Yes | Yes |
| Content & AI writing | No | No |
| Workflows & scraping | No | No |
| Analytics & reporting | No | No |
| Unified inbox | No | No |
| Built for teams | No | No |
| Public API | No | No |
What they have in common
Data & enrichment
Where they differ
- Apollo.io also covers Multichannel outreach.
Which one to pick
Neither is objectively better. Start from the categories you actually need covered, then try both — most vendors offer a trial.
Listings are informational and link out to each vendor. Warmr does not sell software and receives nothing for an entry.