Everything you need to go
viral on Instagram
Schedule posts, find the right hashtags, write better captions, and see what's actually working.
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One Platform Three Solutions
Safe Scheduling
Notification-based posting. No passwords required. Manage your whole month on a visual calendar.
AI Recommendations
Profile-based tag strategy. Scan your unique performance data to receive intelligent, niche-specific hashtag recommendations.
Deep Analytics
Audit any public profile. Discover engagement rates, best posting times, and their viral content strategy.
Why creators switch
to Posstr.
Anonymous Instagram Audits
Check any competitor's Instagram — no login, no account linking needed.
AI Captions That Actually Work
Our AI writes captions using what's already going viral in your niche.
Hashtag Scoring in Real Time
See exactly which hashtags you can rank for — based on your account size.
Real-Time Hashtag Data
We just added 50,000 new hashtag clusters. Every hashtag now shows related tags and a performance score.