Postnify vs PostOnce
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Postnify compared with PostOnce
| Detail | 
Postnify | 
PostOnce |
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| What it does | AI-powered social media scheduler that connects AI agents to automate posting across 30+ platforms
| Write once, publish to eight social platforms from one workspace
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| IE
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| Pricing model | Freemium
| Paid
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| Pricing | Free Forever: $0/mo (2 channels, 15 posts per month). Standard: $5/mo (10 channels, 200 posts per month). Pro: $12/mo (30 channels, unlimited posts). Ultimate: $49/mo (150 channels, unlimited posts).
| Solo: €15/month or €144/year (€12/month billed yearly). Pro: €30/month or €300/year (€25/month billed yearly). No per-channel fees.
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| Key features | - Connect 30+ social platforms including Facebook, Instagram, LinkedIn, X, TikTok, YouTube, Threads, Pinterest
- AI-powered content assistant to write and optimize posts
- AI image and video generation for social posts
- Bulk upload and schedule posts at once
- Smart posting time recommendations based on engagement data
- Team collaboration with role assignment and approvals
- Visual calendar for drag and drop post scheduling
- Comprehensive analytics for impressions, engagement, and followers
- Public REST API for integration with automation tools like n8n and Zapier
- CLI tool for AI agents to schedule and publish posts
| - Schedule posts to 8 social platforms
- Per-platform media optimization
- Recurring posts
- Multi-workspace support
- REST API for developers
- Basic post analytics
- Media library with Canva, Drive, and Dropbox integration
- Link shortener and hashtag groups
- Calendar and queue for scheduling
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| What makes it different | - Integrates with AI agents like ChatGPT and Claude for autonomous social media management
- Post to 30+ platforms simultaneously with one message
- Works with automation tools via public REST API for custom workflows
- Manage multiple client accounts in one dashboard for agencies
- AI-generated captions, images, and post ideas to streamline content creation
| - Flat euro pricing with no per-channel fees
- Supports Bluesky and Threads in the same plan as other networks
- Clear failure status when a post fails to publish
- No per-channel fees, unlike Buffer or Later
- Built for individual operators and small teams, not enterprise
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ● no change since last check | 28 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 5 |
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| Citation Flow (Majestic) | 23 | 25 |
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| Referring domains (Majestic) | 21 | 25 |
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5 details filled in for both companies.
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