Instagram captions that sound like you — not a bot.
Paste a blog post, video link or rough idea. PostSpark writes on-brand Instagram captions with a strong hook, a clear call to action and relevant hashtags, ready to post or schedule.
- 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
- Staring at a blank caption box slows down every post.
- Generic AI captions sound the same as everyone else's.
- Rewriting the same idea for Instagram, LinkedIn and X takes hours.
What PostSpark gives you
- Brand Voice keeps every caption in your tone and style.
- Repurpose one source into Instagram captions plus posts for other platforms.
- Publish or schedule straight to Instagram from PostSpark.
Your workflow
How it works for you
Add your source
Paste text, a blog URL, or a video link.
Generate captions
Get hook-first captions with CTAs and hashtags.
Post or schedule
Attach a visual and send it to Instagram.
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