One of the best and most popular third-party email apps is called spark. In a market where very few apps check all three of those boxes, Readdle built a tool that is clean, fast, and easy to use. It works on multiple platforms and is free for everyone.

The App Store version of the new app is still behind, but it is one of a number of different approaches taken by the company. It makes you think about how often you look at your email. The new app doesn't include a calendar view or focus on email. It has specific ideas about where messages should go and who should be allowed to email you. It's not just an interface on top of your Gmail anymore, it's a full system for your email

You will have to pay to use it, too, as it costs $4.99 a month or $60 a year for the premium version. The cost of spark for teams is more than other teams. The $30 monthly fee for Superhuman is too much for many people working with free Gmail accounts. I like the design of the app and the fact that it is still smooth and fast, but I don't think it works well in my situation.

The one thing you can't do is mess with the order of someone's inbox. Most companies have been forced to give up the supremacy of the reverse-chronological inbox after trying novel ways of automatically grouping and sorting messages.

The app tries to split the difference by automatically categorizing some messages into bundles, but it also allows you to recategorise anything you want through the Command Center. The Command- or Control-K shortcut is showing up in a lot of productivity tools. This keyboard shortcut is familiar to anyone who works in Slack. You can quickly decide what to do with a message in that menu.

Messing with the order of someone's inbox is not something you can do.

The email from real people is put at the top of your inbox. In my experience with other apps that try to do this, it almost never works, and a lot of the stuff in your inbox actually comes from real people. It is possible to mark certain senders as priority and highlight them so you can't help but notice. The feature is called "don't forget to reply to your boss" The "Mute threads" feature will stop notifying you about conversations you don't care about. You don't get any notifications about it.

A pop-up in Spark with instructions on how to prioritize emails.
Spark’s prioritization system is smart but confusing.
Image: Readdle / David Pierce

It is the most unusual thing that Spark does. It took me a while to open the app after I updated it. It went to a picture of a lake in front of a mountain the second time. The email session is scheduled to start at 6PM. The time was 9:29 AM. I didn't tell Spark I didn't want to check my email for the rest of the day. A small button below the message took me to my email, but it was clear that email is a thing to be looked at a few times a day.

This feature is turned on by default. You can only see it if you close the app and reopen it, but you can also turn on a setting that fades back to the home screen after a few minutes. It starts with two email checks a day at 9AM and 6PM. It is not possible for most people to be on that email schedule. You can change it in the settings under the home screen.

Hey was a new take on an email service that sparked a big fight between the developers and Apple's App Store. When someone emails you for the first time, you can choose to allow them into your inbox or permanently remove them, depending on your preferences.

I like this feature, but combined with everything else, it makes your inbox more difficult to read. I received an email from a new sender and hit the thumbs up to accept it. I was able to find it in a Notifications bundle, but I would have preferred to open the email.

A screenshot of the Spark inbox, with several newsletters bundled together.
Spark’s bundles aren’t perfect, but it’s easy enough to move things around.
Image: Readdle / David Pierce

At first, the bundles aren't really smart. The calendar invites are not the time-sensitive messages they are thought to be. I got notifications in the mail. The app makes it easy to move around, but it will take a lot of work to make the most of the new spark.

I turned off almost all of the big ideas from Spark. I can't talk myself into investing in one tool's ideas about how I should email because I've been dealing with my email the same way for decades. Mimestream uses Gmail's multiple inboxes, folders, and filters, so anything I do in Mimestream is reflected wherever I use Gmail. It's a platform all of its own.

The new Spark is still clean, fast, and simple, and that is still a rarity. It wants you to rethink how you email, but it can also be a useful tool for the way you do it. First, you have to remove a few boxes.