PostFast vs PostOnce
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
PostFast compared with PostOnce
| Detail | 
PostFast | 
PostOnce |
|---|
| What it does | Schedule social media posts across 11 platforms from one dashboard
| Write once, publish to eight social platforms from one workspace
|
|---|
| Stage | Startup
| Startup
|
|---|
| Founded | 2025
| 2025
|
|---|
| Based in | BG
| IE
|
|---|
| Pricing model | Freemium
| Paid
|
|---|
| Pricing | 7-day free trial with no credit card required. Starter: €10/month billed yearly or €12/month billed monthly. Creator: €24/month billed yearly or €29/month billed monthly. Growth: €40/month billed yearly or €49/month billed monthly. Pro (Agency): €82.50/month billed yearly or €99/month billed monthly
| Solo: €15/month or €144/year (€12/month billed yearly). Pro: €30/month or €300/year (€25/month billed yearly). No per-channel fees.
|
|---|
| Key features | - Schedule posts up to a year ahead across 11 platforms
- Fully automated Instagram Reels and TikTok publishing
- Post approval workflows with role-based permissions
- Analytics with CSV and PDF export
- REST API for custom integrations
- AI agent integration with Claude, ChatGPT and more
| - 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
|
|---|
| What makes it different | - Write once, publish to all 11 platforms with platform-specific customization
- Priced per plan, not per channel or per seat
- Fully automated publishing to Instagram Reels and TikTok without manual intervention
- Social Inbox included on every plan with no per-conversation fee
- AI agents and API access included on every plan
| - 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
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 57 ▼ −3 (down) since last check | 28 ● no change since last check |
|---|
| Trust Flow (Majestic) | 13 | 5 |
|---|
| Citation Flow (Majestic) | 38 | 25 |
|---|
| Referring domains (Majestic) | 518 | 25 |
|---|
8 details filled in for both companies.
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