AI · alternatives · 2026

24 alternatives to Sieve

Your personalized AI email filter

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

1
Sigmail▲233
Personalize your email outreach using AI
2022 · its alternatives →
2
mailX by mailwarm▲596
Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com · its alternatives →
3
Inbox Zero▲821
Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.
2023 · getinboxzero.com · its alternatives →
4
Empty Email▲198
AI noise-canceling filter for your email
2023 · empty.app · its alternatives →
5
Smart email filters to unfuck your email▲59
Fix your inbox instantly with smart filters
2025 · unfuck.email · its alternatives →
6
Spam Checker by Mailmeteor▲88
Detect and remove spam words in your emails
2022 · mailmeteor.com · its alternatives →
7
Reply.id▲81
Supercharge your inbox with our AI Gmail filter
2018 · mediakaskus.com · its alternatives →
8
Unspam AI▲385
See how your subscribers read your emails with our AI inbox
2024 · unspam.email · its alternatives →
9
You've Got Spam▲305
A new tool that lets you spam back the spammer
2020 · youvegotspam.mschfmag.com · its alternatives →
10
Forage Mail▲306
AI that solves email overwhelm. Not another mail app.
2025 · foragemail.com · its alternatives →
11
Mailivery▲251
Reach the inbox, not the spam folder
2021 · mailivery.io · its alternatives →
12
Mailmeteor 2.0▲290
Send auto follow-up emails with Gmail
2022 · mailmeteor.com · its alternatives →
13
Gated▲263
Reduce unwanted email, support your favorite cause
2022 · gated.com · its alternatives →
14
Warmup Inbox▲204
Free email spam checker & inbox placement tester
2023 · warmupinbox.com · its alternatives →
15
InboxPurge▲100
The fastest way to a cleaner Gmail inbox
2023 · inboxpurge.com · its alternatives →
16
Clean Inbox for Gmail™▲150
A privacy-oriented Gmail add on against marketing email
2024 · cleaninboxforgmail.com · its alternatives →
17
Gmail CLI Utils (bulk delete mail by query, get/create filters)▲192
it will contain different utilities for GMail API over OAuth2 - abhishekkr/gmail-helper
2020 · github.com · its alternatives →
18
SpamSieve▲71
Add powerful spam filtering to your Mac’s e-mail client
2018 · c-command.com · its alternatives →
19
PureBox.ai▲139
Review-first AI cleanup for your real Gmail inbox.
Jul 2026 · purebox.ai · its alternatives →
20
Silter▲115
No notification for spam messages
2024 · apps.apple.com · its alternatives →
21
Avec▲112
Tinder for Email to handle your inbox in seconds
Apr 2026 · avec.ai · its alternatives →
22TT
The two most useful email filters▲64
The two most useful email filters that I have on my personal account automatically move the following messages to a "from-robots" folder: * Any message that contains the word "unsubscribe" * Any message from no-reply@ As a side note: please do not send emails from [email protected] If you want users to engage with your communications you need to give them an option to respond.
2022 · its alternatives →
23
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020 · app.autoklose.com · its alternatives →
24
Sentrya 2.0▲139
Get rid of spam and useless junk from your Gmail inbox
2024 · sentrya.net · 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 →