Postlyra vs Sandcastles: choose the loop your content needs.
Sandcastles runs automated viral-video research feeds. Postlyra has no research feed: it analyses what you save, then writes, publishes, and answers.
What Sandcastles does well.
- Deep short-form video research
- Frequently refreshed viral feeds
- API and MCP connector options
- A focused workspace for research teams
The work stays connected from signal to post.
- Outliers found in the feed you already read, with the Companion extension
- Saved posts analysed into hooks and scripts
- Voice-matched drafting and carousel generation
- Instagram conversations answered by your own automations
See how Postlyra compares in your workflow.
Bring your current process to a focused demo and compare the decisions, not just the feature list.