Estimate My X vs PostFast

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Estimate My X compared with PostFast
Detail	Estimate My X	PostFast
What it does	Predict how your X post will perform before you post it	Schedule social media posts across 11 platforms from one dashboard
Stage	Not given	Startup
Founded	Not given	2025
Based in	Not given	BG
Pricing model	Freemium	Freemium
Pricing	Free: unlimited estimates and 3 optimized posts per month. Pro (coming soon): $5/month for 100 optimized posts per month. Ultra (coming soon): $50/month for 1,000 optimized posts per month. Custom plans available by contacting sales.	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
Key features	Predicted impressions, likes, replies, reposts and shares Algorithm score based on X's For You ranker weights One-tap post optimization with preset edits Context-aware optimization suggestions Best time to post for your timezone Runs in browser on any device Private analysis on your device No X account connection required Compares multiple post variants Based on X's official For You algorithm	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
What makes it different	Tests over 1,700 preset edits automatically matched to your post type Runs entirely in your browser without leaving your device Based on X's official open-source For You algorithm weights Free with unlimited estimates and 3 optimized posts monthly Works on all devices with no app download required	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	57 −3 (down) since last check
Trust Flow (Majestic)	0	13
Citation Flow (Majestic)	25	38
Referring domains (Majestic)	14	518

5 details filled in for both companies.

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