Strophe vs Transcriptly

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

Strophe compared with Transcriptly
Detail	Strophe	Transcriptly
What it does	Turn any book into an audiobook with on-device text to speech	Free online converter to transcribe audio, video, and YouTube to text with AI-powered accuracy in 98+ languages
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	HK
Pricing model	Freemium	Not given
Pricing	Not given	Free plan: 10 credits/month (10 YouTube videos with captions or 10 minutes of local files). Hobby: $6/month or $72/year (1000 credits). Pro: $12/month or $144/year (3000 credits). Premium: $18/month or $216/year (6000 credits). One-time plans available; credits valid for 1 year.
Key features	EPUB and text-based PDF reading On-device text to speech that works offline Word-by-word highlighting during narration Web article saving from Safari and other apps Playback speed control from 0.5x to 3x Background playback and Lock Screen controls Reading and listening position sync Highlights, notes and bookmarks iCloud sync across devices Free Project Gutenberg classics library	Speaker detection and diarization for multi-speaker content Export to multiple formats: SRT, VTT, TXT, PDF, DOCX, CSV AI-powered summaries and key point extraction YouTube video transcription with direct caption access Developer API for batch processing YouTube transcripts
What makes it different	On-device speech generation means narration works completely offline No account, no server, and no tracking of what you read One app for both reading and listening with unified library Free tier holds five books with unlimited listening Your library stays readable even if you stop paying	Direct access to YouTube's official captions ensures high-quality transcripts when available Built by a student for students; affordable pricing designed for academic budgets Quick access with easy-to-use interface requiring only 3 simple steps
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)	27 −1 (down) since last check	22 −1 (down) since last check
Trust Flow (Majestic)	5	12
Citation Flow (Majestic)	22	29
Referring domains (Majestic)	27	187

3 details filled in for both companies.

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