Group Posting Pro vs Key Changer

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

Group Posting Pro compared with Key Changer
Detail	Group Posting Pro	Key Changer
What it does	Facebook group auto poster and scheduler for Chrome and Edge	Change the key of audio in your Chrome tab while keeping vocals natural
Stage	Not given	Not given
Founded	2023	Not given
Based in	HU	Not given
Pricing model	Freemium	Free
Pricing	Lite (Free): 5 group-posts a day, five lifetime AI uses. Plus: €69 per year. Pro: €14 for first month, then €24/month (or €39 quarterly / €119 yearly). Agency Starter: €199/month (or €1,990/year). Agency Scale: €349/month (or €3,490/year).	Not given
Key features	Auto posting to multiple Facebook groups from one composer Lead Radar to spot people asking for what you sell One-time, daily, and weekly scheduling Campaign builder with trigger, post, wait, loop, and stop blocks Text, links, images and video posting Agency dashboard for managing multiple client accounts	Pitch shift from −12 to +12 semitones Fine-tuning by ±50 cents Keep vocals natural mode enabled by default Preserves playback speed while changing pitch Works with YouTube, YouTube Music, Spotify Web, SoundCloud Video stays synchronized with processed audio Remembers pitch preferences for each song Keyboard shortcuts for pitch adjustment Processes audio locally with no uploads Powered by Key Changer Engine for natural pitch shifting
What makes it different	Never requires your Facebook password; posts from your own logged-in browser session Works after Meta retired the public Groups API by using Direct API and Classic DOM posting methods AI variations ensure each group gets different wording of the same post Integrated Lead Radar monitors chosen keywords in real time to find buying signals Built by the makers who use it daily for their own business	Preserves natural vocal character while shifting pitch Processes audio locally in browser, no data uploaded Works with most major streaming platforms without additional setup Video stays perfectly synchronized with pitch-shifted audio
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 −1 (down) since last check	2 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	26	12
Referring domains (Majestic)	78	2

4 details filled in for both companies.

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