100x your newsletter's organic growth.
Grow while you write: we post, schedule, and amplify your content across X & LinkedIn to bring readers straight to you.
"In just 2 weeks of using Letterly, my newsletter grew from 500 to 650 subscribers and my X followers increased by 160%."

Vicente Évora
Writer @ EvoraOnTheMove
Dashboard
Hey Newsletter Writer, here are your metrics
11.8K
4.7%1,456
8.2%45.8K
5.3%2.29%
2.1%Growth Over Time
Last 6 months
847
Posts
3.4K
Clicks
42h
Saved
Trusted by creators using




Everything newsletter creators need to grow
Analytics, AI content, and automation - all in one place
Track everything that drives growth
Monitor newsletter performance, social engagement, and CTA conversions all in one unified dashboard. Know exactly what's working and where your subscribers come from.
Newsletter + Social Analytics Combined
See subscribers, open rates, impressions, and engagement across all platforms in one place
Smart CTA Tracking
Track every link click with branded short URLs and see which content drives conversions
Growth Insights
Understand your audience with growth charts, conversion funnels, and performance trends
Performance Overview
Last 30 days2,847
45.2K
1,247
187

Marc Lou
SaaS entrepreneur persona

Marc Lou
Indie Maker • 2h ago
Just shipped a new feature in 48 hours that took my competitor 6 months. The secret? Move fast, stay focused, and don't overthink it.
Here's what I learned about rapid product development... 👇
Content that sounds like YOU
Clone your voice or model any creator's style. Every post feels authentic, on-brand, and genuinely human - not robotic AI content.
Voice Cloning from Your Profile
Analyze your LinkedIn or X posts to capture your unique tone, style, and personality
Model Other Creators
Analyze any creator's LinkedIn or X profile to capture and replicate their writing style and voice
Consistent Brand Voice
Maintain your unique style across every platform automatically - no more rewriting for different channels
Copilot creates & schedules your entire week
Your AI Copilot automatically generates weekly content plans, schedules posts at optimal times, and publishes directly to LinkedIn and X. Zero manual work required.
Auto-Generated Weekly Plans
Copilot creates a complete content calendar from your newsletter, balanced across platforms
Optimal Timing
Automatically schedule posts when your audience is most active for maximum engagement
Direct Publishing
Posts publish directly from Letterly to LinkedIn and X - no copy-pasting or third-party tools
Content Calendar
Upcoming This Week
5 lessons from scaling to $100K MRR...
Tomorrow, 9:00 AM
The biggest mistake I see new founders...
Friday, 3:00 PM
How It Works
From newsletter to social empire in 3 simple steps
Add Your Newsletter Content
Simply paste your newsletter URL or copy your content directly into Letterly. It's that easy - no complex integrations required.
- Paste any newsletter URL
- Or copy-paste your content
- Works with any newsletter platform
Transform Content
AI PoweredYOUR NEWSLETTER
"The 5 Mistakes Every SaaS Founder Makes (And How to Avoid Them)"
✓ Generated 8 posts
LinkedIn & X (Twitter)
AI Transforms Your Content
Clone the writing style of any LinkedIn or X profile. Our AI analyzes their tone, structure, and expressions to create posts that sound authentic. Customize attitude, thread style, creative mode, and CTAs for complete control.
- Clone any X or LinkedIn writing style
- Multiple attitudes & thread styles
- Creative or strict mode control
- Custom CTAs & optimized formatting
Schedule & Post Automatically
Review, edit, and schedule your content calendar. Posts go live automatically at optimal times, and you track performance all in one dashboard.
- Direct posting to LinkedIn & X
- Optimal timing suggestions
- Performance tracking
Content Calendar
Today's Schedule
Watch it in action
See exactly how Letterly works from start to finish
Loved by creators worldwide
Join hundreds of newsletter creators who trust Letterly
"It's like hiring a junior content manager who does 90% of the work, but you always get the final say."
ChatGPT
LLM
"You're a fucking genius and I love you."
Affectionate-Turn495
Reddit User
"The service you provide is a great idea. I've always thought i'd love to help our SEO clients turn the articles we create for them into social posts as well."

Rob Hoffman
CEO @ Contact.so | Mentions.so | Kleo.so
"Letterly turned my newsletter into a real growth engine. I went from posting randomly to having a full weekly plan that actually performs."
Letterly User
Newsletter Creator
"I used to spend hours rewriting my newsletter for socials. Now it takes me 2 minutes. The posts feel like me, not AI, and engagement doubled."
Letterly User
Content Creator
"The persona feature is insane. I imported my LinkedIn posts and Letterly pretty much cloned my voice. Zero AI detection issues."
Tight_Replacement796
Reddit User
"My impressions on X jumped 140% in the first week. I'm finally consistent because Letterly does the scheduling for me."
Letterly User
Social Media Manager
"I stopped worrying about when to post. Copilot handles the timing, the drafts, everything. I just approve and go."
Party_Major5753
Reddit User
"As a solo creator, Letterly feels like having a content team. Newsletter → social content → scheduling → analytics. All in one place."
Letterly User
Solo Creator
Letterly vs. the alternatives
Stop wasting time or money. See how Letterly stacks up against organic growth and paid ads.
| Metric | Organic Growth | Paid Ads | 96% cheaper than adsLetterly Pro |
|---|---|---|---|
| Cost per month | 50+ hrs of time | $300+ | $12.99 |
| Estimated clicks | ~250 | ~300 | ~500 |
| Subscribers gained | ~50 | ~60 | ~100 |
| Cost per subscriber | time | ~$5 | ~$0.12 |
| Sustainability | Slow & tiring | Stops when you stop paying | Compounding organic growth |
Calculate your own ROI
Adjust your ad spend and time investment to see how much more you save with Letterly
Organic Growth
Subscribers gained
80
Monthly cost
$600.00
Cost per subscriber
$7.50
Paid Ads
Subscribers gained
60
Monthly cost
$300.00
Cost per subscriber
$5.00
Letterly Pro
Subscribers gained
100
Monthly cost
$12.99
Cost per subscriber
$0.13
97% cheaper
than paid ads
Simple, transparent pricing
Choose the plan that fits your content creation needs
Free
- 2 newsletter conversions/month
- All content formats
- Basic support
Standard
- 8 newsletter conversions/month
- AI image generation
- Custom CTA URLs
- Priority support
Pro
- Unlimited conversions
- Advanced analytics
- API access
- White-label options
Ready to transform your newsletter?
Join hundreds of creators who are building engaged communities while saving hours every week.