Quartz vs Superhuman (2026)
A side-by-side comparison of Quartz and Superhuman on pricing, features, and fit, so you can decide which is right for you.
Quick answer
Quartz and Superhuman are both strong choices, but they fit different needs. Choose Quartz if you mainly need managing a high-volume inbox without losing focus on priority messages — its edge is strong privacy guarantee because all ai processing happens on your mac. Choose Superhuman if you need executives and founders managing high email volume who need to reach inbox zero daily — its edge is dramatically reduces time spent on email through ai drafts, shortcuts, and smart triage. Quartz starts at Paid plans estimated starting around $10 per month; Superhuman starts at $30/month per user.
Features compared
- Local on-device AI processing for full email privacy
- AI-powered inbox triage and smart message prioritization
- Automated email drafting and reply suggestions
- Thread summarization to quickly catch up on long conversations
- AI-generated email replies drafted in your personal writing style
- Split Inbox for automatic email triage and prioritization
- Keyboard-first interface with hundreds of speed shortcuts for zero-latency email
- Read statuses, follow-up reminders, and scheduled send for proactive inbox management
Pros & cons
- Strong privacy guarantee because all AI processing happens on your Mac
- Clean, focus-oriented interface that reduces inbox overwhelm
- No reliance on cloud servers means faster responses and offline capability
- Currently limited to Mac users, excluding Windows and Linux audiences
- As a newer tool, it may lack the deep integrations found in established email clients
- Dramatically reduces time spent on email through AI drafts, shortcuts, and smart triage
- Deep personalization with AI that learns and replicates your unique writing style
- Exceptional onboarding with a live one-on-one coaching session for every new user
- At $30/month, Superhuman is significantly more expensive than free email clients
- No standalone email service, requires an existing Gmail or Outlook account to function
The verdict
Choose Quartz if
you mainly need to managing a high-volume inbox without losing focus on priority messages. Its edge: strong privacy guarantee because all ai processing happens on your mac.
Choose Superhuman if
you mainly need to executives and founders managing high email volume who need to reach inbox zero daily. Its edge: dramatically reduces time spent on email through ai drafts, shortcuts, and smart triage.
Frequently asked questions
Is Quartz better than Superhuman?
Neither is universally better. Quartz is stronger for managing a high-volume inbox without losing focus on priority messages, with an edge in strong privacy guarantee because all ai processing happens on your mac. Superhuman is stronger for executives and founders managing high email volume who need to reach inbox zero daily, with an edge in dramatically reduces time spent on email through ai drafts, shortcuts, and smart triage. Pick based on your main task.
Which is cheaper, Quartz or Superhuman?
Quartz starts at Paid plans estimated starting around $10 per month and Superhuman starts at $30/month per user. Free tier: Quartz — Basic local AI email features available at no cost; Superhuman — No free tier; free trial available.
What is Quartz best for?
Quartz is best for managing a high-volume inbox without losing focus on priority messages, drafting professional email replies quickly using ai suggestions, keeping sensitive business communications private by processing everything locally.
What is Superhuman best for?
Superhuman is best for executives and founders managing high email volume who need to reach inbox zero daily, sales teams tracking email opens and replies to optimize outreach timing, remote teams collaborating faster by processing shared inboxes with consistent speed.
Do Quartz and Superhuman have free plans?
Quartz: Basic local AI email features available at no cost. Superhuman: No free tier; free trial available. Check each tool's pricing page for current limits, as plans change.