Alternatives

Products that do what Flggd does

Scam protection that checks your inbox before you do

1
Warmup Inbox▲204
Free email spam checker & inbox placement tester
2023
2
Unspam.email▲309
Email spam checker and newsletter heatmap prediction.
2020
3
Email Bounce Checker from BlockSurvey▲98
Privacy-focused email bounce checker. No ads, no trackers.
2022
4
Mail Tester▲307
Test the spamminess of your email
2016
5
Danger▲119
Catch fake details, block throwaway emails, spot problem IPs
2024
6
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020
7
MailCheck▲49
Stop Free Trial Abuse with Advanced Email Verification
2025
8
Debug Mail▲194
Easy-to-use mail server for developers
2022
9
Weecheck▲120
Validate email addresses and avoid bounces
2021
10
MailerCheck 2.0▲145
All-in-one email deliverability platform for businesses
2023
11
Scary Senders▲123
Detect spooky spy pixels in your emails
2021
12
Vetter▲134
Test if your emails will be spammed, using real accounts.
2020
13
Dashlane Inbox Scan▲192
Find hidden threats like private passwords in your inbox
2015
14
Checker▲124
Detect fake signups in under 200ms with an easy-to-use API
2025
15
Mailook▲315
Identify & fix your email deliverability issues for free
2021
16
HookBox▲120
An Instant Webhook & Email Debugging tool for developers.
Sep 2025
17
PromoTab▲154
Check on which Gmail tab your email will land
2021
18
You've Got Spam▲309
A new tool that lets you spam back the spammer
2020
19
MailSnag▲83
Automated email testing for dev/staging/QA/CI environments
2018
20
SurfKey▲212
Reddit keyword alerts in your inbox, Slack and Discord
2022
21
PutsMail▲195
Test your HTML emails before sending them
2015
22
lockrMail▲195
Own the power to organize and protect your email inbox
2021
23
BounceBan▲123
Unlimited free email verify, works great for accept-all
2022
24
Weecheck v2▲100
Simple email verification to improve deliverability
2022

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