If you're looking for a Spark alternative, Superhuman is another top option. It's an AI-based email management system with many of Spark's features, including a split inbox, AI-powered writing assistance, follow-up reminders and read status tracking. It's geared for teams and individuals who need to get a lot out of their email and free up time. It works with Gmail and Outlook, and offers a range of pricing options for different needs.
Another good alternative is Shortwave. It offers AI-generated emails, smart search and customizable inbox controls. It can help you draft and handle emails with predictive autocomplete suggestions, email summaries and the ability to schedule messages to send later. Shortwave offers a range of pricing options, including a free version, so it should be within reach for many people and budgets.
If you want to improve your email writing skills, Lavender has an AI-based coaching service. It'll give you real-time advice and an objective assessment of your emails so you can write more efficiently and effectively. Lavender works with Gmail and Outlook, and offers free and premium options for individuals and teams.
Last, Ellie is an AI-based email assistant that learns how you write and can generate follow-up replies. It can help you respond to emails more quickly, and is particularly useful for people who get a lot of email or suffer from reply anxiety. Ellie works with Gmail and Fastmail, and offers a range of pricing options depending on how many emails you want to respond to.