Growth · alternatives · 2026

24 alternatives to AuthGun

Supercharge your email outreach

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Bulk Email Validation▲80
Clean your existing email lists with mailbox verification
2019 · app.mailgun.com · its alternatives →
2
Email List Verify▲330
Remove hard bounces and email traps from your email lists
2016 · emaillistverify.com · its alternatives →
3
BounceHunter▲72
Real-time email verification and email cleaning services
2021 · bouncehunter.com · its alternatives →
4
Mailflagger▲67
Mailgun email tracking and analytics for everyone
2021 · mailflagger.com · its alternatives →
5
Generect Email Finder▲466
Verify and validate emails at scale
2024 · generect.com · its alternatives →
6
BounceBan▲123
Unlimited free email verify, works great for accept-all
2022 · bounceban.com · its alternatives →
7
Email Deliverability Booster▲385
Reach every lead, every time
2024 · snov.io · its alternatives →
8
MailDump▲270
Find, extract and verify emails automatically
2018 · maildump.co · its alternatives →
9
Email Bounce Checker from BlockSurvey▲98
Privacy-focused email bounce checker. No ads, no trackers.
2022 · blocksurvey.io · its alternatives →
10
Email Hunt▲8
Hunt down invalid emails with Email Hunt at the lowest cost
2023 · its alternatives →
11
Uncatcher▲5
Instantly verify catch-all emails
2024 · uncatcher.com · its alternatives →
12
EmailAwesome▲39
Validate emails, less bounces & spam reports for 10X less
2024 · emailawesome.com · its alternatives →
13
Clearout 2.0▲103
98%+ accurate real-time & bulk email verification services
2020 · clearout.io · its alternatives →
14
Scrubby▲42
Complete risky email validation tool with 98% accuracy
2025 · scrubby.io · its alternatives →
15
BounceGuard▲12
Bounce Guard: Free Email Verification & Finder, 99% Accurate
2025 · bounceguard.net · its alternatives →
16
BounceStrike▲14
AI-powered real-time email verification API, cheaper price
2025 · bouncestrike.com · its alternatives →
17
Blaze Verify▲13
Send emails to real people. Email Verification Platform.
2019 · emailable.com · its alternatives →
18
Email API benchmarks▲113
Hey HN, I'm Chris, CTO of Knock (https://knock.app). We built email.info because every developer we talk to asks the same question: which email provider should I use? The existing resources are mostly vibes — "Best of" listicles, anonymous Reddit threads, or LLM answers trained on that same content. Objective performance data is always missing. Knock is a notification infrastructure platform, so we send billions of API requests to downstream email providers every year. We aggregated that data into a public dashboard covering 10 providers (SendGrid, Postmark, Resend, Mailgun, Amazon…
Mar 2026 · knock.app · its alternatives →
19
AI Email Finder by Ful.io▲100
Find emails for any website the 2023 way (with AI of course)
2023 · chromewebstore.google.com · its alternatives →
20
Contact Hunter ▲59
Find leads on any website
2025 · app.swandigitals.com · its alternatives →
21
Bouncer Shield▲85
Real-time form protection against bad emails
2024 · usebouncer.com · its alternatives →
22
Email Hunter▲81
Find emails on websites
2022 · apps.apple.com · its alternatives →
23
EmailWand▲5
Email verification platform, validation and bounce protector
2024 · emailwand.com · its alternatives →
24
RiskyVerifier▲28
Verify Catch all, Unknown and Risky Emails with 98% Accuracy
2025 · riskyverifier.io · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →