Comparison

Superhuman Mail vs Lumenais

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

Lumenais

Features
Read full description

Lumenais is a Creative Intelligence companion built for continual learning, not one-off chats. It carries context across sessions, adapts from prior interactions, and helps turn ideas into structured, reviewable work. CONTINUAL LEARNING Every conversation feeds Lumenais’ layered memory and Dream Journal cycles, consolidating insights over time. Cross-domain learning transfers progress across science, engineering, ethics, art, code, math, and related domains, so growth in one area carries forward into others. PERSISTENT MEMORY Memory is organized across three layers: personal memory (your history and preferences), collective memory (shared patterns across domains), and identity memory (stable behavioral continuity over time). You spend less time repeating context and more time advancing work. NEUROSYMBOLIC CORE Lumenais combines neural language generation with explicit symbolic reasoning. The result stays conversational while remaining structured, inspectable, and more consistent over long-term use. TRANSPARENT STATE AND PERSONALITY Each response is tracked through an 8-dimensional state: Curiosity, Coherence, Compassion, Clarity, Intentionality, Playfulness, Truth, and Stillness. You can inspect state shifts across messages to see where confidence is rising, where uncertainty is present, and how interaction style evolves with continuity. DEEP SYNTHESIS Deep Synthesis is Lumenais's multi-pass engine for high-complexity thinking. Upload notes, papers, and source documents, then run a staged synthesis flow. The process moves through four stages: divergent expansion across perspectives, convergence and compression of redundant clusters, a falsifiability pass that proposes concrete validation paths, and consolidation into reviewable conclusions. Instead of a single summary, you get a full reasoning surface: hypothesis sets, contradiction logs, source relationship maps, experiment proposals, confidence traces, and cross-document links grounded in the underlying material. Deep Synthesis is built for iteration. Revisit prior sessions, continue from existing context, export structured artifacts, and refine direction without restarting from zero. RESEARCH LAB Bring your datasets for structured analysis. Lumenais can profile data quality, generate testable hypotheses, select modeling approaches, run validations, and report metrics including accuracy, AUC, Brier score, confidence intervals, calibration signals, and ranked feature importance. Use comparative cycles, not just one-shot runs, to test assumptions and track performance changes across runs. DREAM JOURNAL Dream Journal is Lumenais's consolidation layer, where significant interactions are periodically compressed into durable learning summaries. Instead of hidden memory updates, you can inspect the evolution directly: recurring themes, stable threads, emergent shifts, and trust deltas over time. Each entry links back to source context so you can reopen prior arcs, recover rationale, and continue work without losing continuity. PLANNING AND PROVENANCE Define goals and let Lumenais decompose work into actionable stages with visible progress and confidence traces. Important outputs can include cryptographic provenance records so key reasoning steps are tamper-evident and auditable. PRIVACY-FIRST User data is isolated per account with authenticated access controls. Session context does not bleed across users, and local state can be cleared on sign-out. Lumenais combines conversational fluidity with research-grade structure, so every conversation improves a living system of understanding. Terms of Use: https://lumenais.com/terms Privacy Policy: https://lumenais.com/privacy

Screenshots

Superhuman Mail4 screens
Lumenais4 screens

Verdict

The call

The clearest difference is iOS requirement: Lumenais at 17.0 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. Superhuman Mail sells 1 in-app purchase, starting at $29.99 per month and Lumenais sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Superhuman Mail versus Lumenais: the parameters behind the verdict, then further details
ParameterSuperhuman MailLumenais
PriceFreeFree
Rating4.6 (3.7K ratings) — better—
Positive reviews41.1% of reviews—
Number of ratings3.7K — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size101 MB9 MB
Age rating12+4+
DeveloperSuperhuman LabsAaron Martinez

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

Lumenais

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Superhuman Mail

Subscriptions1
  • Monthly Subscription$29.991 Month
1 purchases

Lumenais

Subscriptions1
  • Lumenais Companion1 Month trial$9.991 Month

Questions

Is Superhuman Mail free?
Superhuman Mail is free to download, with in-app purchases available.
Is Lumenais free?
Lumenais is free to download, with in-app purchases available.
Do Superhuman Mail or Lumenais have ads?
Neither Superhuman Mail nor Lumenais shows ads.

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