Duolingo vs Superhuman

Tagline

Learn a language for free through fun, gamified lessons.

The fastest email experience, now with AI

Category

Pricing

Rating

Platforms

API

Open source

Description

Duolingo is the world's most popular way to learn a language. It is 100% free, fun, and science-based. Users can practice online on duolingo.com or on the mobile apps, learning languages by playing a game that is scientifically proven to work.

Superhuman uses AI to triage, summarize, and draft replies at keyboard speed.

Key features

• Gamified learning sessions
• Online web practice
• Mobile app practice
• Science-based methodology

• Token-aware generation
• Component variants
• Auto-layout

Pros

• The learning service is 100% free to use.
• Enables learning languages by playing an interactive game.
• The system is design-built on a science-based framework.
• Users can practice easily online via duolingo.com.
• Offers dedicated mobile apps to practice learning on the go.
• The learning system is scientifically proven to work.
• Identified as the world's most popular way to learn a language.
• Utilizes a gamified format that is highly engaging and fun.

• Fastest keyboard-driven email
• AI-drafted replies
• Snippets and templates
• Send later and follow-up reminders
• Read receipts
• Split inbox
• Instant global search
• Polished, distraction-free UI

Cons

• No public developer API documentation is listed on the provided pages.
• No description of premium or paid plans (such as Super Duolingo) is present on the pages.
• No mention of open-source availability for the platform codebase.
• No specific list of supported languages is detailed on these pages.
• No SOC2, ISO, or data security compliance information is mentioned in the text.

• Expensive at $30/month
• Gmail and Outlook only
• Steep shortcut learning curve
• Requires onboarding call
• No family plan
• Limited mobile customization
• AI is a separate add-on cost
• Overkill for casual email users

Pricing plans

• StarterUSD25/month
  • • Superhuman AI
  • • Email Productivity
  • • Calendaring & Scheduling
  • • Support & Training
• BusinessUSD33/month
  • • Team Collaboration
  • • For Sales
  • • Team Administration
  • • Security
• Enterprise—
  • • All-in Enterprise Pricing
  • • Custom Compliance Needs
  • • Google Advanced Protection
  • • Advanced Admin Controls
• FreeUSD0
  • • AI chat unlimited while in beta
  • • Correctness suggestions
  • • Tone detection
  • • Limited prompts
• ProUSD12/month
  • • Unlimited AI chat
  • • Inline suggestions
  • • Paragraph translation in 17 languages
  • • Paragraph rewrites in 24 languages
• BusinessUSD33/month
  • • Everything included in Pro, plus:
  • • Ask AI
  • • Write with AI (voice and tone match)
  • • Team collaboration
• Enterprise—
  • • Everything included in Business, plus:
  • • Advanced security and admin controls
  • • Custom roles and permissions
  • • Dedicated support team

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