Growth · alternatives · 2026

24 alternatives to Spark

A smart, fast and free email client for iPhone

Spark is a free email client for iPhone that helps users manage their inbox by highlighting important messages and enabling quick cleanup of unwanted mail. Designed for iOS users seeking a streamlined email experience… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Spark launched in 2015; newer entries below may have overtaken it.

1
Spark for Mac▲1,058
Beautiful and intelligent email app
2016 · sparkmailapp.com · its alternatives →
2
All-new Spark▲345
Smart. Focused. Email
2022 · sparkmailapp.com · its alternatives →
3
Spark for Android▲296
The much beloved email client now on Android
2019 · play.google.com · its alternatives →
4
Spark 2.5▲340
Love your email again
2019 · sparkmailapp.com · its alternatives →
5
Spark by Readdle▲157
Fast, smart and beautiful email client for iOS
2016 · sparkmailapp.com · its alternatives →
6
Airmail for iOS▲360
One of the best Mac email clients, now on iPhone
2016 · airmailapp.com · its alternatives →
7
Polymail▲1,567
A simple, beautiful, and powerful email client for Mac
2015 · polymail.io · its alternatives →
8
Mail by Apple▲302
Apple's email client, unbundled 📧
2016 · apps.apple.com · its alternatives →
9
Spark 2.0▲211
Revolutionary email for teams
2018 · sparkmailapp.com · its alternatives →
10
Airmail 3▲555
A simple, beautiful email client for Mac and iOS
2016 · airmailapp.com · its alternatives →
11
Spark +AI▲181
Your email productivity, supercharged with AI
2023 · sparkmailapp.com · its alternatives →
12
Spark▲6
Fast and smart email for your iPhone
2015 · apps.apple.com · its alternatives →
13
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 →
14
Front (iOS)▲379
The easiest way to work with team inboxes (on your iPhone!)
2015 · front.com · its alternatives →
15
Front for iOS▲406
The first inbox for teams
2016 · front.com · its alternatives →
16
Canary Mail▲430
Discover Canary Mail, the best email client with AI-powered features and integrated calendar. Access multiple accounts, prioritize important emails, and boost productivity effortlessly.
2016 · canarymail.io · its alternatives →
17
Edison Mail▲127
Your email with an assistant built in
2016 · edisonmail.com · its alternatives →
18
Spark▲13
Beautiful and Intelligent Email App for Mac
2016 · sparkmailapp.com · its alternatives →
19
Polymail Pro▲597
The ultimate email productivity app for business 💌
2016 · polymail.io · its alternatives →
20
Hop▲442
The new face of email is fast, elegant, powerful, expressive
2016 · apps.apple.com · its alternatives →
21
Seed Mail▲160
Beautiful email app for iPhone
2014 · apps.apple.com · its alternatives →
22
GitHub Spark AI▲193
Create and manage full-stack micro-apps with AI prompts
2024 · githubnext.com · its alternatives →
23
Loop Email▲257
Emailing for teams: Organize your Inbox into channels 💌
2018 · intheloop.io · its alternatives →
24
Spark▲134
Spark serves up curated stock and market ideas
2015 · sparkfin.com · 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 →