Growth · alternatives · 2026

24 alternatives to Super Mail Quest

A retro RPG, completely playable in your email

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Super Mail Quest launched in 2018; newer entries below may have overtaken it.

1
Superinbox▲531
Email vibing in your Gmail / Outlook
Oct 2025 · superinbox.com · its alternatives →
2SM
Super Mail Forward, an HTML email that evolves as you forward it▲454
2016 · medium.com · its alternatives →
3
Superflows▲476
AI assistant for email - get to inbox zero faster
2023 · superflows.ai · its alternatives →
4
Mailgo▲469
AI-powered cold email platform that boosts deliverability
2025 · mailgo.ai · its alternatives →
5
Mailjoy▲513
Mailchimp for direct mail
2017 · its alternatives →
6
The Email Game▲65
Get to inbox zero with game mechanics
2014 · emailga.me · its alternatives →
7
Boomerang Respondable▲687
Write perfect emails with Artificial Intelligence
2016 · boomeranggmail.com · its alternatives →
8
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 →
9
Hello Inbox▲283
Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.
Aug 2026 · helloinbox.email · its alternatives →
10
Mailivery▲251
Reach the inbox, not the spam folder
2021 · mailivery.io · its alternatives →
11
Super Send 2.0▲157
Automate cold outreach - email, Linkedin & Twitter
2023 · supersend.io · its alternatives →
12
Reply.id▲81
Supercharge your inbox with our AI Gmail filter
2018 · mediakaskus.com · its alternatives →
13
Sidemail 2.0▲306
Hi all! I'm Kristyna, maker of Sidemail. I'd love to share with you what we've been building. We built Sidemail because sending emails from a SaaS app was way harder than it should be. Sidemail is made for developers and teams that want one simple place to handle SaaS emails with reliable delivery and no bloat. It has: - Everything for creating, managing and delivering SaaS emails in one platform, - Easy-to-use email API for sending password resets, receipts, etc. - Messenger for writing product updates and newsletters, - Email automations for onboarding and lifecycle flows, - Fast email…
Nov 2025 · sidemail.io · its alternatives →
14
ReplylessAI▲122
AI Email app that's affordable, Hit Inbox Zero
Mar 2026 · replyless.ai · its alternatives →
15
Drift Email▲250
The future of how sales reps communicate with prospects
2017 · drift.com · its alternatives →
16
SuperCold▲122
Multichannel hyper-personalized outbound campaigns with AI
2023 · its alternatives →
17
EzMail.AI▲115
Reply to emails 10X faster with pre-filled drafts by AI
2023 · its alternatives →
18
Email Workflows by Salesflare 💌▲193
Sequences, drips & onboarding emails from PH's favorite CRM
2020 · salesflare.com · its alternatives →
19
Newton Mail▲161
Email app designed to supercharge business communication
2019 · newtonhq.com · its alternatives →
20
Mail Rocket▲141
Create a mail merge with Gmail and Google Sheets
2024 · mailrocket.io · its alternatives →
21FS
Fake SMTP server as a service▲149
2017 · develmail.com · its alternatives →
22
Mailr - AI Email Writer▲133
Write and reply to emails using ChatGPT
2023 · mailr-ai.com · its alternatives →
23
Buzz Mail▲112
AI email assistant
2023 · workspace.google.com · its alternatives →
24
Mailjoy Letters▲116
Send personalized direct mail letter campaigns
2019 · 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 →