Comparison

Superhuman Mail vs Klara

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

Klara

Features
Read full description

See time disappear. Stay focused. Klara is a visual focus timer designed for adults with ADHD, time blindness, and anyone who wants a simpler way to focus. Not a planner. Not a habit tracker. Just a focused, visual way to make time easier to understand. Open the app. Choose your time. Tap start. Watch the circle shrink. No complicated setup, no distractions. SEE TIME DIFFERENTLY Instead of relying only on numbers, Klara turns time into visual movement. Watch the circle shrink or the progress bar move as your focus session gets closer to completion. TRACK YOUR FOCUS Klara keeps a simple history of your completed focus sessions. See your activity over the last 12 weeks, weekly focus time, recent sessions, and how you spend your focus time across different activities. Choose between Study, Work, Read, Meditate, or Other when starting a session — or simply press Start Focus and get going. FEATURES Visual countdown with circle or progress bar Quick start focus sessions Custom timers from 1–180 minutes Focus categories for Study, Work, Read, Meditate, and more Activity Map showing your completed focus sessions Weekly focus statistics and activity breakdowns Recent focus session history Multiple calm color themes Gentle vibration and sound when your timer completes All activity data stored locally on your device No account required No subscription No ads Pay once. Use forever. Klara keeps focus simple. Start a timer, focus on what matters, and see your progress over time.

Screenshots

Superhuman Mail4 screens
Klara4 screens

Verdict

The call

The clearest difference is price: Superhuman Mail at Free against Klara's $2.99. Superhuman Mail also leads on update cadence (weekly vs every 2 months). Klara's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 26.0). On 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

Superhuman Mail is free to download; Klara costs $2.99 up front. Superhuman Mail sells 1 in-app purchase, starting at $29.99 per month. Klara asks for nothing beyond the download.

UpkeepUpdate frequency

Superhuman Mail ships an update weekly, Klara every 2 months. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

Scorecard4 real differences · 6 level
Superhuman Mail versus Klara: the parameters behind the verdict, then further details
ParameterSuperhuman MailKlara
PriceFree — better$2.99
Rating4.6 (3.7K ratings) — better—
Positive reviews41.2% of reviews—
Number of ratings3.7K — better—
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size107 MB47 MB
Age rating12+4+
DeveloperSuperhuman LabsJulio Siklander

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

Klara

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Superhuman Mail

Subscriptions1
  • Monthly Subscription$29.991 Month
None

Klara

No in-app purchases

Questions

Is Superhuman Mail free?
Superhuman Mail is free to download, with in-app purchases available.
Is Klara free?
Klara costs $2.99, with no in-app purchases.
Do Superhuman Mail or Klara have ads?
Neither Superhuman Mail nor Klara shows ads.
Which is updated more often, Superhuman Mail or Klara?
Superhuman Mail ships an update weekly, and Klara every 2 months. Most recently, Superhuman Mail was updated on September 22, 2026 and Klara on September 12, 2026.

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