Poststack™ vs PostOnce
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Poststack™ compared with PostOnce
| Detail | 
Poststack™ | 
PostOnce |
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| What it does | Social media operations platform for Indian agencies
| 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 | IN
| IE
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| Pricing model | Not given
| Paid
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| Pricing | Creator ₹2,000/mo (3 accounts, 1 seat), Professional ₹4,400/mo (10 accounts, 2 additional seats), Agency ₹8,000/mo (30 accounts, 4 additional seats). Additional accounts ₹900/mo each, additional team members ₹800/mo each. Prices exclude GST. 15-day free trial available.
| 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 | - Multi-client workspace management with separate calendars and feedback history per client
- Magic link client approval without login or account creation
- Revision rounds with capped limits and full change tracking
- Support for Instagram, Facebook, LinkedIn, X, YouTube and Threads via official APIs
- Real-time analytics for all supported platforms
- Visual calendar for planning and scheduling content
- Spreadsheet import for batch post scheduling
- Team role-based permissions and access controls
- Client portal with authenticated access on Professional and Agency plans
- INR billing with UPI AutoPay and automatic GST invoices
| - 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 | - Built specifically for Indian agencies with IST timezone, INR pricing and DPDP compliance
- Single magic link approval workflow eliminates client account creation and access overhead
- Supports up to 30 client accounts in one workspace with independent scaling of seats and accounts
- Integrated approval history and revision tracking keeps all feedback with the content
| - 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) | 17 ▲ +1 (up) since last check | 28 ● no change since last check |
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| Trust Flow (Majestic) | 18 | 5 |
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| Citation Flow (Majestic) | 28 | 25 |
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| Referring domains (Majestic) | 99 | 25 |
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5 details filled in for both companies.
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