Best email organizer apps, and who builds the rules

The best email organizer app is Alrighty if you use a Mac with iCloud, Gmail or Outlook: you name a group and describe it in a sentence, and it sorts your mail into that group with no rules to write. If you want free and built in, Apple Mail, Gmail and Outlook already sort mail into categories or a Focused Inbox. SaneBox sorts mail in any app for a monthly fee. Spark sorts for free across devices. Superhuman and Shortwave sort with AI labels for Gmail users who will pay per seat. Clean Email organizes with rules you build.

Most "best email organizer" lists are written by a company that sells one of the apps, and they rank it first. They describe features but skip the two questions that decide your week: do you have to build the sorting rules yourself, and where does the sorting happen? An organizer that needs twenty rules before it helps is a different product from one that sorts on day one. This page answers both questions for each app.

How we checked

We read each app's own help, feature and pricing pages on November 3, 2026, and every fact about another product links to its source. For each app we noted how it sorts (fixed categories, learned folders, AI labels, splits or rules), who sets the sorting up, what it costs, which accounts it takes, and where it reads your mail to sort it. Alrighty is our app, and it is listed first.

Email organizers at a glance

App	How it sorts	Who builds the sorting	Price	Accounts	Where sorting runs	AI on by default
Alrighty	Groups you describe, plus optional rules	You name a group; AI sorts into it	14-day trial with no card, then Free or Pro; groups on Pro	iCloud, Gmail, Outlook	Rules on your computer; AI sorting on its server	Your own AI: off until you connect it. Reply drafts and Clean up: on when signed in
Apple Mail	4 fixed categories, plus rules	Apple; you can move a sender	Comes with macOS	Any account in Mail	Not stated	Not stated
Gmail	5 category tabs, plus filters	Google; you can drag to teach it	Free	Gmail	Google's servers	Not stated
Outlook	Focused and Other	Microsoft; you can move a sender	Free with the account	Outlook.com, Microsoft 365	Microsoft's servers	Not stated
SaneBox	Learned folders such as SaneLater	SaneBox; you drag to train	From $7 a month	Gmail, Microsoft 365, iCloud, Yahoo, IMAP	SaneBox's servers, headers only	Opt-in
Spark	Smart Inbox: People, Notifications, Newsletters	Spark; you can move a sender	Free	iCloud, Gmail, Outlook, Yahoo, IMAP	Spark's servers for some features	Paid plans
Superhuman	Split Inbox and Auto Labels	Built-in labels; custom labels you prompt	From $25 a month, billed yearly	Gmail, Microsoft 365	Not settled on its pages	Not stated
Shortwave	Splits, AI filters, bundles	You write filters, or start from prebuilt ones	From $30 a seat a month	Gmail and Google Workspace	Shortwave's cloud	Not stated
Clean Email	Smart Folders and Auto Clean rules	You build the rules	Plans for 1, 5 or 10 accounts	Gmail, Yahoo, Hotmail, AOL, work mail	Clean Email's servers	None stated

The four ways email organizers sort mail

Every organizer on this page uses one or more of four methods. Knowing which one an app uses tells you how much work it needs from you.

• Fixed categories. The app sorts every message into a short list it chose, such as Primary, Promotions and Updates. You do nothing to start. You can only correct a sender, not add a category. Apple Mail, Gmail, Outlook's Focused Inbox and Spark's Smart Inbox work this way.
• Learned folders. The service watches what you do and moves low-priority mail out of the inbox. You train it by dragging messages. SaneBox works this way.
• AI labels and split inbox. An AI reads each message and labels it, and the inbox splits into tabs by label. Some labels come built in. Custom ones you describe in plain words. Superhuman, Shortwave and Alrighty work this way.
• Rules. You write the condition ("from contains @bank.com") and the action. Rules do exactly what you say, and nothing you didn't think of. Apple Mail, Gmail filters, Shortwave, Clean Email and Alrighty all have them.

An app that only has rules is the most work. An app that only has fixed categories is the least work, and the least control. Our best AI email triage tools page compares the AI sorters in more depth.

Alrighty: best email organizer for Mac with iCloud, Gmail and Outlook

Alrighty is a desktop mail app for Mac, Windows and Linux that puts iCloud, Gmail and Outlook accounts in one inbox. It sorts mail into groups you make, across all those accounts.

• Describe a group, don't build it. Give a group a name and a sentence about what belongs in it, such as "receipts and order confirmations." Alrighty's AI files new Inbox mail that fits under that group as it arrives.
• It shows you before it moves anything. When you make a group, Alrighty looks through your Inbox from the last 90 days and shows the mail it would file. Nothing files until you say so.
• Rules when you want them. A group can also have rules: the sender, recipient, subject or body contains a word, or ends with one. Mail that matches a rule files under the group on your computer, before the AI looks at it.
• One account or all of them. A group can sort every account, or only the ones you pick.

Price. A 14-day trial with no card, then a Free plan or Pro. Sorting into groups is part of Pro and the trial. The Free plan has no sorting into groups.

Where your mail goes. Your mail stays with iCloud, Google or Microsoft, and Alrighty keeps its copy and its search index on your computer. Rules run on your computer. To sort by a group's description, Alrighty sends only each email's sender, subject and the start of its body to its server, which asks an AI model. Nothing is sent for sorting until you make a group.

What it can't do. There's no iPhone or web app. It takes iCloud, Gmail and Outlook accounts only, not Yahoo, AOL, Fastmail or other IMAP. It has no calendar. It's new, with no long track record.

Pick it if you have more than one account and want mail sorted the way you describe it, without writing a page of rules.

Apple Mail categories: best free organizer on a Mac

Apple Mail "automatically sorts your email messages into categories" (Apple). There are four:

• Primary: "personal messages and time-sensitive information."
• Transactions: "confirmations, receipts, and shipping notices."
• Updates: "news, newsletters, and social updates."
• Promotions: "coupon and sales emails."

A message in another category that "includes time-sensitive information" also shows in Primary.

Who builds the sorting. Apple does. To fix a sender, Control-click a message, choose Categorize Sender, then pick a category. "All current and future messages from the sender will appear in the category you choose." You can't add your own category. For anything else, Mail has rules that can move, reply to or delete messages.

What it can't do. Categories are "not available in all countries or regions." The four categories are fixed. Apple's page doesn't say where the sorting runs.

Pick it if four categories are enough and you want nothing to set up.

Gmail categories: best free organizer for Gmail

Gmail's Default inbox sorts mail into five tabs: Primary, Social, Promotions, Updates and Forums (Google). Primary holds "Emails from people you know and messages that don't appear in other tabs."

Who builds the sorting. Google does. To choose tabs, click Settings, and under Inbox type select Default, then Customize. Drag a message to another tab to move it, and Gmail uses those moves to learn. For your own sorting, Gmail filters can label, skip the inbox or delete mail that matches a search (Google).

What it can't do. It covers Gmail only. The tabs are fixed, and anything finer means writing filters.

Pick it if all your mail is Gmail and five tabs suit you.

Outlook Focused Inbox: best free organizer for Outlook accounts

Focused Inbox splits your inbox into two tabs: "Focused and Other" (Microsoft). Outlook decides by "emails and contacts with whom you interact," and it filters out automated and bulk mail.

Who builds the sorting. Microsoft does. To correct it, right-click a message, choose Move, then Always move to Other inbox or Always move to Focused inbox. In Outlook.com, turn it on or off in Settings, Mail, Message List. Microsoft's feature table lists Focused inbox as available in Outlook for Mac.

What it can't do. It has two tabs, not categories. In Outlook for Windows, Microsoft says it works only with Microsoft 365, Exchange and Outlook.com accounts.

Pick it if you use Outlook and want the important mail separated from the rest.

SaneBox: best organizer that works in any mail app

SaneBox sorts on its own servers, so it works with the app you already use, on every device. It moves less important mail to a folder called @SaneLater, and folders such as SaneNews work the same way (SaneBox). A Daily Digest is "a daily summary of unimportant emails that haven't been opened yet" (SaneBox).

Who builds the sorting. SaneBox does. It finds unimportant mail "based on headers (sender, subject, etc.)." You train it by dragging a message to a Sane folder, or back to the Inbox.

Where it sorts. "We only access the envelope and header data associated with your emails," and "All email resides on the customer's email server" (privacy). Its optional AI summaries do read the body.

Accounts. "Gmail, Microsoft 365, Apple iCloud, Yahoo! Mail and Fastmail," plus "any IMAP, Microsoft Exchange or ActiveSync server."

Price. Plans "start at just $7 per month" (SaneBox). No free plan.

Pick it if you want to keep your mail app and have low-priority mail moved out for you, on every device.

Spark Smart Inbox: best free organizer across devices

Spark's Smart Inbox sorts unread mail into People, Notifications and Newsletters, with Pins for mail you pinned and Seen for mail you've read (Spark). It's on the free plan (pricing).

Who builds the sorting. Spark does. To pick it, open Spark Settings, Inbox, and choose the Unread Cards view. To move a sender on a Mac, click their address, click the current category and choose another, and Spark sorts their future mail there.

Where it sorts. Spark says some features "require our server-side email processing to work," and it stores the login and password for IMAP, AOL and Exchange accounts, encrypted (privacy).

What it can't do. Three fixed categories. Gatekeeper, which screens new senders, is on paid plans only.

Pick it if you want free sorting on Mac, iPhone, Windows and Android.

Superhuman Split Inbox and Auto Labels: best for Gmail and Microsoft 365 teams

Superhuman's Split Inbox lets you "Split out emails from your team, your VIPs, or your most used tools" (Superhuman). Auto Labels "automatically classify every email into built-in categories like marketing, cold pitches, and social network updates," and move those from Important to Other (Superhuman).

Who builds the sorting. Auto Labels come built in, on all plans. For your own, Custom Auto Labels let you "just write a prompt, like 'job applications' or 'requests to review work'," and you can split your inbox by them in Settings, Split Inbox. Custom Auto Labels need the Business or Enterprise plan.

Price. Starter is $25 a member a month and Business is $33, both billed yearly (plans). What it can't do. It's "Built for teams that use Gmail or Outlook," so iCloud and Yahoo are out. Its pages don't agree on where your mail is stored: a blog post says your inbox stays on your machine, and the privacy policy says it receives "emails and drafts." See our Superhuman alternatives.

Pick it if you're on Gmail or Microsoft 365 and want AI labels you describe, and you'll pay per seat.

Shortwave: best for Gmail users who want AI filters

Shortwave sorts with three tools you set up: Splits, AI filters and bundles (Shortwave). AI filters work "using natural language descriptions, traditional search queries, or a combination of both." They can label, archive, mark important or unimportant, star, or delete spam and junk.

Who builds the sorting. You do, with help. Shortwave offers prebuilt filters such as Needs Action, Cold Outreach and Finance. Splits are set in Settings, Inbox Setup, Splits, and mail that matches none goes to Other. Labels can apply per sender.

Price. Business is $30 a seat a month with 3 AI filters, Premier is $45 with 10, and Max is $120 with 50 (pricing).

Where it sorts. "All Shortwave data is stored in Google Cloud's highly secure & compliant data centers," and it uses OpenAI, Anthropic and Pinecone (security).

What it can't do. It's for Gmail and Google Workspace. Microsoft 365 and Exchange are "not supported at this time," and iCloud works only by forwarding (Shortwave). There's no unified inbox by default.

Pick it if your mail is Gmail and you want to write sorting rules in plain English.

Clean Email: best for rules you build yourself

Clean Email organizes your mailbox into Smart Folders using rules and filters, and bundles mail into Cleaning Suggestions you can act on at once (Clean Email). Auto Clean can "apply selected rules and actions to emails arriving to your mailbox without any manual work."

Who builds the sorting. You do: "Create rules as you go to get rid of similar emails in the future." Its home page doesn't describe AI sorting.

Where it sorts. On Clean Email's servers, which index "sender and recipient details, subjects, dates, folders, labels" (privacy). It runs on iPhone, iPad, Android, Mac and the web.

What it can't do. It's a cleaner, not a mail app, so you organize in one place and read in another. Its plans page showed no amounts when we read it. Our email cleaner guide covers its bulk cleanup.

Pick it if you like rules, want them to run on new mail, and want to set them up from your phone.

How to choose

• iCloud, Gmail or Outlook, sorting you describe instead of build: Alrighty.
• Free, four categories, nothing to set up: Apple Mail.
• All Gmail, free: Gmail's category tabs, plus filters for the rest.
• Outlook, free: Focused Inbox.
• Keep your mail app, on every device: SaneBox.
• Free sorting on Windows and Android too: Spark.
• Gmail or Microsoft 365, AI labels, paid per seat: Superhuman.
• Gmail only, AI filters in plain English: Shortwave.
• You want to write every rule yourself: Clean Email, or the rules in Apple Mail and Gmail.
• Too much mail you never wanted: sort less and stop more. See our unsubscribe app guide.

If you want an empty inbox more than a sorted one, see the best inbox zero apps. If you file mail so you can find it later, the best email search apps may save you the work. For apps judged on the time they save, see the best email apps for productivity.

Questions

What is the best free email organizer?

The free ones are built in: Apple Mail's categories, Gmail's tabs and Outlook's Focused Inbox. Spark's Smart Inbox is free on Mac, iPhone, Windows and Android. Alrighty has a Free plan after its 14-day trial, but sorting into groups is part of Pro.

Do I have to set up rules to organize my email?

Not with most of these apps. Apple Mail, Gmail, Outlook, Spark and SaneBox sort on day one with categories they chose. Alrighty and Superhuman's custom labels need a name and a short description, not a rule. Clean Email and Shortwave's filters ask you to set up more.

Does an email organizer read my email?

It has to read something to sort it. SaneBox says it reads only headers. Alrighty's rules run on your computer, and its AI sorting sends the sender, subject and start of the body to its server. Shortwave stores mail data in Google Cloud. Read each privacy page before you connect.

What is a split inbox?

A split inbox shows your inbox as several tabs, each holding one kind of mail, such as your team, your VIPs or newsletters. Superhuman and Shortwave build splits from labels and searches. Gmail's category tabs and Outlook's Focused and Other are simpler, fixed versions.

Are categories and labels the same thing?

Not quite. A category is one of a few fixed buckets the app chose, and each message lands in one. A label is a tag you or an AI can add, and one message can have several. Labels give you more control, and need more setup.