Connects with tools like Notion, Asana, and Slack for streamlined workflows. 2.4 Collaboration Features
This document provides a structured draft for a paper analyzing , updated with features and reviews for 2026. Spark – Email App by Readdle
Real-time collaboration on emails, similar to Google Docs. Connects with tools like Notion, Asana, and Slack
Spark +AI can draft replies, rephrase messages, and adjust the tone of voice. Summarization: Quickly summarizes long email threads. Connects with tools like Notion
As of early 2026, Spark remains a top-tier cross-platform client (iOS, Android, Mac, Windows), distinguished by its "Smart Inbox," AI-powered composition, and team-based collaboration features.
Enables scheduling emails to be sent, even when the device is offline.
Readdle developed Spark to be a "Smart. Focused. Email." app designed to reduce noise and enhance productivity.