Growth · alternatives · 2026

24 alternatives to InboxPro

Boost your productivity & turn Gmail into a powerful machine

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. InboxPro launched in 2022; newer entries below may have overtaken it.

1
Mixmax for Google Inbox▲337
The essential productivity suite (tracking, calendar & more)
2015 · mixmax.com · its alternatives →
2
InboxSDK▲508
First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
3
Drag Pro▲305
Transform Gmail into organized To Do lists (like Trello)
2018 · dragapp.com · its alternatives →
4
Inbox by Google▲1,147
Next generation inbox
2014 · google.com · its alternatives →
5
Inboxer▲212
A clean, open-source desktop client for Google Inbox 💌
2018 · denysdovhan.com · its alternatives →
6
Inbox AI▲201
AI-Powered Personal Productivity
2024 · its alternatives →
7
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 →
8
EasyEmail▲227
Gmail plug-in that helps you write emails quickly
2018 · easyemail.ai · its alternatives →
9
Superinbox▲531
Email vibing in your Gmail / Outlook
Oct 2025 · superinbox.com · its alternatives →
10
Darwin Mail▲259
Enhance Gmail to get your Google Inbox features back.
2019 · darwinmail.app · its alternatives →
11
Polymail Pro▲597
The ultimate email productivity app for business 💌
2016 · polymail.io · its alternatives →
12
HeyHelp▲237
Gmail with a brain
2025 · heyhelp.ai · its alternatives →
13
Signal – Edit emails in your Gmail inbox▲151
2013 · trysignal.com · its alternatives →
14
InboxVudu▲101
Your intelligent assistant for Gmail & Google Apps
2015 · its alternatives →
15
Gentle Invoice▲140
AI-powered inbox assistant for managing invoices
2025 · its alternatives →
16OS
Open-Sourcing InboxSDK (YC S11) – Build Apps in Gmail▲257
Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
17
Gmelius – No Ads and Better User Interface for Gmail▲160
Our AI Assistants sort your emails and draft replies, while Gmelius shared inboxes help your team take over conversations so you don't have to. Start for free.
2013 · gmelius.com · its alternatives →
18
Boxy 2▲301
The best Mac client for Inbox by Gmail
2017 · boxyapp.co · its alternatives →
19
Insumo▲130
Smart newsletter with calendar and personalized habits
2021 · insumo.io · its alternatives →
20
TextCraft AI▲181
Smart inbox, smart emails - AI at your service
2023 · chromewebstore.google.com · its alternatives →
21
MailToDock▲70
Turn Gmail into Google Tasks with AI-powered
Apr 2026 · mailtodock.vercel.app · its alternatives →
22
INBOXOTA▲96
Your all-in-one email management solution
2023 · inboxota.framer.website · its alternatives →
23
Gmelius▲122
Let your teams do their best work from Gmail and Slack!
2018 · gmelius.com · its alternatives →
24
InboxPurge▲100
The fastest way to a cleaner Gmail inbox
2023 · inboxpurge.com · its alternatives →

Also compare

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 →