Spark email client iPhone, iPad, Mac - Best app


The Future of Email

The best personal email client. Revolutionary email for teams.

Love your email again

Take control of your inbox. Instantly see what’s important and clean up the rest.

Smart Inbox

Farewell to busy inbox

Your emails are sorted into personal, newsletter and notification boxes. Easily reply to important ones, and quickly clean up the rest.

Why 1,000,000 people love Spark?

Send email later

Follow up reminders

Built-in Calendar

Smart Search

Quick Replies

Powerful Integrations

About Readdle

Readdle redefines personal productivity and shapes the “future of work” by creating outstanding apps and services. Popular Readdle apps such as Scanner Pro, PDF Expert, Spark and Documents, were downloaded over 90 million times worldwide.

Readdle apps shaped mobile software categories, such as document scanning (Scanner Pro), email (Spark), document management (Documents), PDF editing (PDF Expert) and calendaring (Calendars 5). We’ve also won numerous awards, got to the top positions on the App Store charts and, most importantly, are loved by millions of people.

We believe that technology is changing the way we live, work and get things done. Our goal is to create apps and services that unlock creativity and productivity in all of us.


The team consists of 127 amazing people and we managed to build a sustainable business, never taking external funding. Currently we have offices in Silicon Valley, Ukraine (Odessa, Kiev) and Berlin.

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