Workflow & Planning
Find verified business email addresses and mobile numbers wherever you work on the web.
Compare extensions
Workflow & Planning
Get access to your prospects' phone numbers and emails, instantly for free
Audience & ratings
Store users
10K
≈100K
Ratings
What stands out
Kaspr: B2B Phone Number and Email Finder reports the larger audience. These are store counts, including rounded estimates. The rating difference is 0.12 points across 335 and 1,209 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Defastra Tech Inc
kaspr
Publisher portfolio
1 listing
1 listing
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
2.21MiB
22.22MiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
4 requested
- tabs
- cookies
- storage
- sidePanel
3 requested
- cookies
- activeTab
- scripting
Website patterns
1 recorded
- *://*.prospeo.io/*
1 recorded
- <all_urls>
Releases
Explore the release history
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Create your free accountEvidence behind this comparison
Both listings observed 2 Oct 2026.
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
How Earlygap collects evidenceReplace an extension
Your comparison
2 of 2 selected
Prospeo Contact Finder – Email & Phone Number FinderWorkflow & Planning
Kaspr: B2B Phone Number and Email FinderWorkflow & Planning