The newsletter AI stack
| Job | Tool | From | Why |
|---|---|---|---|
| Draft from a recording | Castmagic | $19/mo (annual) | Turns a podcast, call or voice memo into a newsletter draft and posts |
| Lead magnet or slides | Gamma | $0 · Plus $9/mo (annual) | AI decks, docs and one-page sites; Plus removes Gamma branding |
| Audio edition | ElevenLabs | $6/mo | Voice your issue; commercial licence from Starter |
| Promote on social | Hypefury | $6/mo per channel | Cross-post to LinkedIn, Threads, Bluesky, Instagram |
| Automate the busywork | n8n | €20/mo (annual) | AI agents and workflows, e.g. RSS → social drafts |
Official sources, checked Nov 2026. Castmagic · Gamma · ElevenLabs · Hypefury · n8n. Prices in USD unless shown otherwise. Vendors change pricing, so confirm on their site before buying.
Castmagic
Best for drafting from audioHobby $19/mo, Starter $48/mo, Team $139/mo (billed annually)
- Turns one recording into show notes, newsletter drafts and social posts
- Imports from RSS, YouTube, Zoom and Google Drive
- Unlimited AI outputs, re-generations and clips on every plan
- Prices we verified are for annual billing
- Hours are a library total, not a monthly allowance
- API access starts at Starter ($48/mo)
Gamma
Best for lead magnetsFree; Plus $9/seat/mo, Pro $18/seat/mo (billed annually)
- Free plan to try it
- Plus removes Gamma branding for $9/mo (annual)
- Pro publishes to your own domain
- Prices we verified are annual billing
- Free credits are one-time, not monthly
- Top AI models are reserved for Ultra
ElevenLabs
Best for audio editionsFree (10k credits); Starter $6/mo, Creator $22/mo, Pro $99/mo
- Commercial licence from $6/mo
- Annual billing gives two months free
- Generous free tier for testing voices
- Free plan has no commercial licence
- Credits are shared across all features
- Professional voice cloning starts at Creator ($22/mo)
Hypefury
Best for social promotionFlexible $6/mo per channel; Full $19/mo for all channels
- Cheap entry at $6 per channel
- All channels for $19/mo
- Cross-posting and autoplugs built in
- No longer supports X/Twitter (per its own site)
- No free plan
- Fewer LinkedIn-specific tools than AuthoredUp or Taplio
n8n
Best for automationStarter €20/mo, Pro €50/mo (billed annually); free self-hosted edition
- A whole workflow run counts as one execution
- Unlimited users and workflows on every plan
- Free self-hosted option
- Prices are in euros
- Self-hosting needs technical skills
- Business jumps to €667/mo
Pick the one job that eats your week
If you talk better than you type, Castmagic. If you need a lead magnet to grow the list, Gamma. If you want to be on five networks without five logins, Hypefury. Each has a free plan or trial.
Newsletter platformsbeehiiv vs Substackn8n vs Make
Frequently asked questions
What is the best AI tool for newsletter writers?
It depends on the bottleneck. Castmagic for drafting from recordings, Gamma for lead magnets, ElevenLabs for audio versions (pricing checked Nov 2026).
Can I use AI tools on a free newsletter plan?
Yes, these tools work alongside any newsletter platform, including free plans on Kit, beehiiv or Substack.
Keep comparing
Castmagic alternatives
Castmagic turns recordings into written content, show notes, newsletters, posts.
Read the guideGamma pricing for creators
Gamma makes slide decks, documents and simple websites with AI, handy for lead magnets, workshop slides and carousels.
Read the guide
n8n vs Make for solo creators
Both let you build automations and AI agents without code, new subscriber → welcome DM, new issue → social drafts. They charge in very different ways.
Read the guide