Comparison

Superhuman Mail vs Duckbill

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

Duckbill

This app offers human-led, AI-enhanced personal assistance for everyday tasks and life administration. It handles everything from prescription refills and appointment booking to travel arrangements and bill management, freeing up your time.

Highlights
  • Human-led AI-enhanced assistance
  • Task execution for daily chores
  • Life administration management
  • Prescription refill coordination
  • Birthday card and gift sending
  • Passport renewal services
  • Travel booking and coordination
  • Grocery delivery setup
Features
Read full description

Duckbill is an executive assistant for your personal life, led by expert humans and enhanced with AI superpowers. We provide life support by taking over the execution of dreaded everyday tasks and endless life admin. Just tell us what you need, like: - I’m having trouble finding my Rx in stock anywhere, can you call around to pharmacies and have it delivered monthly? - Can you put my friends and family's birthdays on my calendar, and send each one a handwritten card from me every year? - Renew my passport, please. - Can you review my calendar and book me a trip to/from the airport for each flight? - Send me new recipes each week and set up an ongoing grocery delivery so I have what I need for each one. - Can you call my health insurance and sort out this medical bill? I don’t have time to wait on hold. Then, our team of copilots will get to work! We’ll ask the right questions to get it done. We promise: we’re always aiming to take the burden off of you. With just a bit of info from you, we’ll start to anticipate your to-do’s and stay one step ahead. The more we get to know you, the better Duckbill gets. It feels good to let go, doesn’t it?

Screenshots

Superhuman Mail4 screens
Duckbill4 screens

Verdict

The call

The clearest difference is in-app purchases: Duckbill at none against Superhuman Mail's 1. Duckbill also leads on review sentiment (74% vs 41%) and iOS requirement (15.1 vs 26.0). Superhuman Mail's advantage is rating (4.6 vs 4.2) and ratings volume (3.7K vs 69). On price, update cadence, ads 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. Superhuman Mail sells 1 in-app purchase, starting at $29.99 per month. Duckbill asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Superhuman Mail holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Superhuman Mail has 3.7K ratings behind it against 69, so its average is the more settled of the two. Written reviews complicate that: 41% of Superhuman Mail's written reviews are positive against 74% of Duckbill's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

Scorecard6 real differences · 4 level
Superhuman Mail versus Duckbill: the parameters behind the verdict, then further details
ParameterSuperhuman MailDuckbill
PriceFreeFree
Rating4.6 (3.7K ratings) — better4.2 (69 ratings)
Positive reviews41.2% of reviews74.4% of reviews — better
Number of ratings3.7K — better69
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size107 MB116 MB
Age rating12+4+
DeveloperSuperhuman LabsDuckbill Technologies, Inc.

Customer experience

Superhuman Mail

All ratings3,654 ratings
Positive89.8%
Neutral1.7%
Negative8.6%
Written reviews340 reviews
Positive41.2%
Neutral5.9%
Negative52.9%

Duckbill

All ratings69 ratings
Positive76.8%
Neutral5.8%
Negative17.4%
Written reviews39 reviews
Positive74.4%
Neutral7.7%
Negative17.9%

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

Duckbill

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Superhuman Mail

Subscriptions1
  • Monthly Subscription$29.991 Month
None

Duckbill

No in-app purchases

Questions

Is Superhuman Mail free?
Superhuman Mail is free to download, with in-app purchases available.
Is Duckbill free?
Duckbill is free to download, with no in-app purchases.
Which has better reviews, Superhuman Mail or Duckbill?
Superhuman Mail is rated higher. Superhuman Mail averages 4.6 out of 5 from 3.7K ratings, while Duckbill averages 4.2 from 69 ratings.
Do Superhuman Mail or Duckbill have ads?
Neither Superhuman Mail nor Duckbill shows ads.
Which is updated more often, Superhuman Mail or Duckbill?
Superhuman Mail ships an update weekly, and Duckbill weekly. Most recently, Superhuman Mail was updated on September 22, 2026 and Duckbill on September 14, 2026.

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