ScrollGist 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.

ScrollGist compared with Key Changer
Detail	ScrollGist	Key Changer
What it does	Turn short videos into study notes	Change the key of audio in your Chrome tab while keeping vocals natural
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free: 15 videos, no expiry, up to 6 minutes each, no account or card required. Pro Monthly: $6.99/month for 300 videos/month. Pro Yearly: $49.99/year (approximately $4.17/month) for 300 videos/month. All paid plans include 14-day money-back guarantee.	Not given
Key features	Accurate transcription with state-of-the-art speech-to-text Key-points summary with main idea, key points, and action items Feynman explanations in simple language with everyday analogies Idea maps showing semantic tree of concepts On-screen text recognition from burned-in subtitles and visual text Post-text analysis for caption-based content 20 output languages independent of video language No tracking or behavioral analytics Bring your own API key for unlimited usage	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	Works instantly with no account or card required for free tier Transcribes multiple platforms in one extension: Instagram, Facebook, and X Multiple analysis formats: transcription, summary, Feynman explanation, and idea map Supports bring-your-own-key with multiple AI providers 14-day money-back guarantee on all paid plans	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)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	17	12
Referring domains (Majestic)	3	2

4 details filled in for both companies.

More alternatives to ScrollGist More alternatives to Key Changer