Best Email Marketing Tools for Indie Hackers
From ConvertKit to Resend, find the email tool that fits your budget and needs.
Email Marketing for Builders
Email remains the highest-ROI marketing channel. Here's how to choose the right tool for your stage.
Types of Email Tools
Marketing/Newsletter (ConvertKit, Mailchimp)
- Audience building
- Broadcasts and campaigns
- Automation sequences
- Landing pages
Transactional (Resend, Postmark)
- Triggered emails (receipts, notifications)
- High deliverability
- Developer-focused APIs
- No marketing features
All-in-One (Loops, Customer.io)
- Both marketing and transactional
- User journey based
- Product analytics integration
Top Email Tools
1. ConvertKit
Best for: Creators, newsletters Pricing: Free to 1K subs, $15/mo from 300 subs (paid features)
Strengths:
- Built for creators
- Visual automations
- Landing pages included
- Tag-based (not list-based)
- Great deliverability
Limitations:
- Basic design options
- No transactional email
Best for: Newsletter writers, course creators, indie products
2. Resend
Best for: Developers, transactional email Pricing: Free 100/day, $20/mo for 50K emails
Strengths:
- Modern, clean API
- React email templates
- High deliverability
- Simple pricing
- Great documentation
Limitations:
- No marketing features
- Newer platform
Best for: App notifications, transactional email, developers
3. Buttondown
Best for: Simple newsletters Pricing: Free to 100 subs, $9/mo from there
Strengths:
- Markdown-first
- Clean, simple
- Indie developer owned
- Privacy-focused
- Paid newsletters support
Limitations:
- Basic automation
- Limited templates
Best for: Personal newsletters, developer blogs
4. Loops
Best for: SaaS email Pricing: Free to 1K contacts, $49/mo after
Strengths:
- Built for SaaS
- User journey focus
- Event-based triggers
- Modern UI
- Marketing + transactional
Limitations:
- Newer platform
- SaaS-specific
Best for: SaaS products, product-led growth
5. Mailchimp
Best for: Traditional small business Pricing: Free to 500 contacts, paid from $13/mo
Strengths:
- Most features
- Wide integrations
- Website builder
- Landing pages
- Postcards, ads
Limitations:
- Expensive at scale
- Complex pricing
- Overwhelming UI
Best for: Small businesses, e-commerce
6. Beehiiv
Best for: Newsletter businesses Pricing: Free to 2.5K subs, $49/mo after
Strengths:
- Newsletter-first
- Built-in recommendations
- Ad network access
- Premium subscriptions
- Growth tools
Limitations:
- Newsletter only
- Newer platform
Best for: Newsletter operators, media
Comparison Quick Reference
| Need | Best Choice | |------|-------------| | Free newsletter start | ConvertKit, Buttondown | | App notifications | Resend, Postmark | | SaaS email | Loops, Customer.io | | Newsletter business | Beehiiv | | E-commerce | Klaviyo, Mailchimp | | Simple + cheap | Buttondown |
Email Strategy Basics
Build Your List
- Offer value (lead magnet)
- Clear opt-in (no surprises)
- Easy signup (minimal fields)
- Confirm subscription (double opt-in)
Welcome Sequence
- Thank you + deliver promise
- Your story/mission (day 2)
- Best content/quick win (day 4)
- Social proof (day 7)
- Soft ask/CTA (day 10)
Maintain Engagement
- Consistent schedule
- Valuable content
- Clean your list regularly
- Monitor metrics
Key Metrics
- Open rate: 20-40% is good
- Click rate: 2-5% is good
- Unsubscribe: <0.5% per email
- Growth rate: Aim for net positive
Spawned + Email
Spawned integrates with Resend for transactional email. When building apps, you can:
- Send welcome emails
- Password reset flows
- Notification emails
- Receipt/confirmation emails
Just describe what you need: "Send a welcome email when users sign up with their name and a getting started guide."
Ready to build?
Start creating with Spawned and bring your ideas to life.
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