Write for 10 Clients. Sound Like All of Them.
LinkedIn ghostwriters lose 60% of production time to manual reformatting. PostSpark gives you Brand Voice AI for every client — so you deliver more, bill more, and burn out less.
- 3 free repurposes monthly
- No credit card required
- Cancel anytime
Input
Output — in your voice
● LiveTrusted by 2,400+ creators & agencies shipping daily
The problem · The fix
What's costing you hours — and how PostSpark removes it.
What's draining your week
- Each client needs a different voice, tone, and style. Managing that manually does not scale.
- Long-form client content takes hours to atomize into individual LinkedIn posts.
- Growing your client base means growing your workload — unless you change the system.
What PostSpark gives you
- A trained Brand Voice profile per client — every post sounds like them, not like AI.
- Drop a long source asset, get 10+ LinkedIn-ready posts in under a minute.
- Add new clients without adding nights and weekends. Scale your roster, not your hours.
Your workflow
How it works for you
Train each client's voice
Paste 5–10 of their best past posts. PostSpark learns the rhythm.
Paste the brief or source
Long-form thinking, an interview, a Loom transcript — drop it in.
Ship 10 posts in minutes
Pick, polish, send for approval. Move on to the next client.
Simple pricing. Real value.
Start free forever. Upgrade whenever you're ready to ship a month of content in an afternoon.
Switch to annual for two months free.
Free
Try it without a credit card.
- 3 repurposes per month
- All content formats
- Tweet, LinkedIn & email outputs
- Copy and export
- Brand Voice AI
- Unlimited repurposes
Pro
For creators who publish daily.
- Unlimited repurposes
- All content formats
- Brand Voice AI training
- Spark Copilot assistant
- AI Image Studio
- Hook Lab + virality scoring
- SEO Blog Writer
- Content Calendar
- Priority generation
- History & regeneration
30-day money-back guarantee
Agency
For teams and agencies.
- Everything in Pro
- 5 team seats
- Multi-brand workspaces
- Client approval links
- White-label review pages
- Agency analytics rollup
PostSpark replaces: Jasper ($49) + Buffer ($15) + Canva Pro ($15) + Surfer SEO ($89) = $168/month
PostSpark Pro: $19/month billed annually.
FAQ