Replacement Guide

How to Build Your Own Superhuman

Replace Superhuman with a custom build. The fastest email experience ever made

Weekend Project
41 features25 integrationsOne weekend

Estimated Timeline

Based on 41 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 41 features

AI Features(5 features)

AI Email WritingAIPremium

Automatically draft emails using AI based on context and tone preferences.

Priority InboxAI

AI intelligently surfaces the most important emails based on your behavior.

Smart ComposeAIPremium

Complete sentences and suggestions powered by AI while typing.

Spam DetectionAI

Advanced AI-powered spam filtering to keep your inbox clean.

Thread SummariesAIPremium

Get AI-generated summaries of long email conversations.

Organization(5 features)

Advanced Filtering

Create complex rules to automatically organize and process incoming emails.

Label Management

Organize emails with customizable labels and hierarchical structures.

Snooze Emails

Temporarily hide emails and have them reappear at a specified time.

Split InboxAI

Separate important emails from newsletters and notifications automatically.

Unsubscribe ManagementAI

Quickly unsubscribe from unwanted mailing lists with one click.

Analytics(3 features)

Email AnalyticsAIPremium

View detailed stats on response rates, open rates, and email patterns.

Inbox Zero Dashboard

Track progress toward inbox zero with visual metrics and goals.

Team AnalyticsAIPremium

View team-wide email metrics and performance insights.

Customization(3 features)

Custom Views

Create personalized email views based on custom filtering criteria.

Dark Mode

Reduce eye strain with a fully-featured dark theme.

Email Signature Management

Create and manage multiple email signatures with easy switching.

Navigation(2 features)

Command Palette

Access all actions through a fast command search interface.

Keyboard Shortcuts

Execute email actions with customizable keyboard shortcuts for maximum efficiency.

Safety(2 features)

Attachment RemindersAI

Get alerted if you mention attachments but forget to include them.

Undo Send

Recall emails within a configurable window after sending.

Scheduling(2 features)

Scheduled Emails

Schedule emails to send at specific times and dates.

Send LaterAI

Schedule emails to send at optimal times for recipient engagement.

Security(2 features)

Email EncryptionPremium

Send encrypted emails with password protection and expiration dates.

Two-Factor Authentication

Secure your account with two-factor authentication options.

Cost Calculator

Keep Paying Superhuman

Monthly$30/mo
Yearly$360/yr
5-Year Total$1.8k

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 YearSave $120
SaaS
$360
DIY
$240
3 YearsSave $360
SaaS
$1.1k
DIY
$720
5 YearsSave $600
SaaS
$1.8k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 41 features at very easy complexity.

Ready to Build?