Comparison

Superhuman Mail vs Delta.|洲

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Superhuman Mail

This email application streamlines inbox management with AI-powered drafting and summarization. It helps users prioritize important messages, schedule emails for optimal delivery, and collaborate with teams through shared email views and integrated CRM tools. Save time and improve responsiveness with advanced features.

Highlights
  • AI email drafting
  • Automatic email summarization
  • Customizable inbox triage
  • Scheduled email delivery
  • Email sharing and commenting
  • Calendar integration
  • CRM integrations (HubSpot, Salesforce)
Features
Read full description

Superhuman Mail is the most productive email app ever made. Designed to help you fly through your inbox, be more responsive to what matters most, and collaborate faster than ever before, Superhuman Mail helps teams on Gmail and Outlook save 4+ hours per person each week. FLY THROUGH YOUR INBOX 2X FASTER Write better and faster with AI that matches your unique style for each person. Get draft replies on every email that needs a response, ready to edit and send. Turn your thoughts into polished emails in seconds with Write with Voice. Stay a step ahead with an automatic 1-line summary above every conversation. Automate phrases and entire emails with Snippets. BE MORE RESPONSIVE TO WHAT MATTERS MOST Automatically triage incoming email with customizable inbox splits, so you can always focus on what matters most. Avoid the clutter for good with Auto Archive. Never let a follow-up slip, with automatic reminders to reply. Send emails when they're most likely to be opened, so you land at the top of your recipient's inbox at just the right time. COLLABORATE FASTER THAN EVER BEFORE Share a live view of any email, and add comments for your team—no need to repeatedly screenshot, forward, or bcc. See your calendar without leaving your inbox. Get full context on your customers and deals with HubSpot and Salesforce directly integrated. Connect all your Gmail and Outlook accounts to AI tools like Claude and ChatGPT via the Superhuman Mail MCP. Teams save 20 million hours every single year with Superhuman Mail. https://superhuman.com/terms

About

Delta.|洲

Features
Read full description

Delta.|洲 is a local-first system for personal records and reflection. It brings scattered time, ideas, focus, plans, and everyday notes into one thread, so today’s actions can stay connected to what you have already learned. Today See what is ahead, open the four fastest capture actions, and review your daily flow and recent rhythm from one place. Do Drop an idea or speak a fragment that saves automatically after transcription. You can also record the time that just passed or start a focus session. Ideas can include text, links, images, and PDFs, then settle into topics over time. Plan Manage tasks, goals, classes, events, and calendar entries on one decision state instead of moving between separate tools. Review Compare action with plan, then review daily deposits, communication, people, health, and everyday evidence to see what should continue or change. Improve Carry open threads from review into the next plan, then refine stances, thinking, and controllable memories so insight returns to action. Ask Delta Ask questions using the records, schedule, and controllable memories you choose to provide. Answers keep their supporting context visible for review. Data control No account is required for the main local experience. Records are stored on this iPhone by default. You can import, export, restore a backup, or opt in to cross-device sync. Delta has no advertising and does not track you across apps. Voice transcription and some other online features require an account connection and network access. Class, event, and Matrix status depend on the availability of their corresponding services.

Screenshots

Superhuman Mail4 screens
Delta.|洲4 screens

Verdict

The call

The clearest difference is iOS requirement: Delta.|洲 at 16.4 against Superhuman Mail's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Superhuman Mail versus Delta.|洲: the parameters behind the verdict, then further details
ParameterSuperhuman MailDelta.|洲
PriceFreeFree
Rating4.6 (3.7K ratings) — better—
Positive reviews41.1% of reviews—
Number of ratings3.7K — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS26.016.4 — better
Further details — not scored
Size101 MB37 MB
Age rating12+4+
DeveloperSuperhuman Labs伟 蒋

Bugs and requests

Superhuman Mail

Reported bugs

4 issues
  • Login issues and account activation problems
  • Emails not loading or syncing properly
  • Formatting issues in email threads
  • Crashes and freezes on various devices

Requested features

5 requests
  • Unified inbox for multiple accounts
  • Better calendar integration
  • More customization options
  • Improved mobile app experience
  • Table support in email composition

Delta.|洲

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Superhuman Mail

No in-app purchases

None

Delta.|洲

No in-app purchases

Questions

Is Superhuman Mail free?
Superhuman Mail is free to download, with no in-app purchases.
Is Delta.|洲 free?
Delta.|洲 is free to download, with no in-app purchases.
Do Superhuman Mail or Delta.|洲 have ads?
Neither Superhuman Mail nor Delta.|洲 shows ads.

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