AI · alternatives · 2026

24 alternatives to Karma Mail

Every email worth your time

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1
Zero▲845
Hi HN, I’m Nizar, and I’m building Zero (https://0.email) — an AI-powered email client that manages your inbox for you. Email hasn’t changed in decades, even though the way we work has. The average knowledge worker now spends close to 30% of their week on email, constantly reacting, replying, and sorting through noise. It’s become one of the biggest productivity sinks in modern work. At the same time, AI has transformed how we write, plan, and collaborate — yet our inboxes are still stuck in the past. I built Zero to fix that. Zero automatically prioritizes, organizes, and even…
2025 · 0.email · its alternatives →
2
Mailgo▲469
AI-powered cold email platform that boosts deliverability
2025 · mailgo.ai · its alternatives →
3
Upstream▲976
The inbox designed for humans and agents
Jun 2026 · upstream.do · its alternatives →
4
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 →
5
Lavender▲233
A complete AI toolkit for amazing 1:1 emails in your inbox.
2020 · lavender.ai · its alternatives →
6
MailAdept by mailwarm▲287
AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com · its alternatives →
7
Folderly AI▲235
AI-generated emails that hit the inbox and get replies
2025 · generate.folderly.com · its alternatives →
8
Growbots Email Timing Optimizer▲437
Find the perfect time to send your email
2017 · growbots.com · its alternatives →
9
Success.ai▲364
Supercharge your growth with AI-powered cold emails
2023 · success.ai · its alternatives →
10
Karma.Email▲6
Email, filtered by behavior.
2025 · its alternatives →
11
TextCraft AI▲181
Smart inbox, smart emails - AI at your service
2023 · chromewebstore.google.com · its alternatives →
12
MailMaestro▲152
Write AI-powered emails, summarize threads and attachments
2023 · maestrolabs.com · its alternatives →
13
AI Emailyfree tier, from $14.99/mo▲165
Your AI inbox that writes like you + replies on autopilot
Jul 2026 · aiemaily.com · its alternatives →
14
ReplylessAI▲122
AI Email app that's affordable, Hit Inbox Zero
Mar 2026 · replyless.ai · its alternatives →
15
Mail AI▲70
A powerful communications toolset powered by GTP3
2022 · its alternatives →
16
Mailwave AI▲94
The best AI email marketing tool
2023 · its alternatives →
17
Inboxly AI▲137
Your AI powered public mailbox to be limitlessly reachable
2024 · inboxly.me · its alternatives →
18
MailBunny.ai▲86
Email based AI assistant, collaborate, summarize & more
2023 · its alternatives →
19
AIMailman▲107
Create the most powerful emails in the world
2023 · aimailman.com · its alternatives →
20
AIMail▲51
Your AI email assistant for faster email communication
2024 · its alternatives →
21
Inpost.ai▲6
Smartly Organise your Inbox
2025 · inpost.ai · its alternatives →
22
The "Lazy Genius" Email Marketing System▲61
Your professional AI email copywriter
2024 · lazygeniusemail.com · its alternatives →
23
AI Mail Helper▲10
Forward emails for replies, summaries, phising check etc.
2025 · its alternatives →
24
one.email▲16
Fixing your inbox
2025 · one.email · 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 →