PostFast vs Buzzmark
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 Buzzmark
| Detail | 
PostFast | 
Buzzmark |
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| What it does | Schedule social media posts across 11 platforms from one dashboard
| AI ghostwriter that writes, plans and schedules social media posts in your business's own voice
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| Stage | Startup
| Not given
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| Founded | 2025
| Not given
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| Based in | BG
| SE
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| Pricing model | Freemium
| Freemium
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| 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
| Not given
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| 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
| - Reads your website to learn your brand voice, colours, fonts, tone and products
- AI writing with voice matching scored 0-100 against your brand profile
- Posts scheduled at optimal times based on your audience activity
- Support for Instagram, LinkedIn, Facebook, X, Threads and TikTok
- AI image generation for social media posts
- Comments inbox to reply to comments across platforms in one place
- Analytics showing likes, comments, shares, saves and best posting times
- Competitor research and trend analysis turned into post ideas
- Carousel studio for multi-page posts in your brand colours
- Integration with Claude and ChatGPT for planning from AI chat apps
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| 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
| - Learns from your website instead of post history, so sounds like you from day one
- Checks every draft for AI-like phrasing and rewrites before you see it
- One piece of writing goes to multiple platforms with adapted versions for each
- Automatic scheduling at best times for your audience based on your own history
- Run multiple brands with separate voices, channels and posting schedules in one account
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 57 ▼ −3 (down) since last check | 4 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 13 | 0 |
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| Citation Flow (Majestic) | 38 | 0 |
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| Referring domains (Majestic) | 518 | 0 |
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5 details filled in for both companies.
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