IndexTTS2 vs AutoSubtitles

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

IndexTTS2 compared with AutoSubtitles
Detail	IndexTTS2	AutoSubtitles
What it does	Production-ready text-to-speech with precise duration control and emotional expression	Free AI subtitle generator for video with automatic captions in seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0/month with 20,000 characters per month and 3 custom voices. Pro: $14.99/month with 1,000,000 characters per month and 20 custom voices.	Free: AI subtitle generation, all subtitle styles and animations, up to 720p export, videos up to 10 minutes, small watermark. Pro: $9/month removes watermark, videos up to 30 minutes, AI subtitle translation, saved custom styles, custom font uploads, priority support. Max: all Pro features with vid
Key features	Precise timing control with exact token specifications Rich emotional range including joy, tranquility, anger, and anxiety Voice-emotion separation for independent control Natural language emotion shaping powered by Qwen3 Eight-dimensional emotion vectors (happy, angry, sad, afraid, disgusted, melancholic, surprised, calm) Custom voice uploads and recordings (up to 20 on Pro plan) Commercial use rights on Pro plan Support for English and Chinese languages MP3 and WAV audio format output Priority processing for Pro users	AI-powered transcription in 100+ languages 28 caption style presets Full caption customization Subtitle editor with timing control Browser-based processing with no server upload Animated captions with word-by-word animation AI subtitle translation into 30+ languages Custom font uploads with Pro No signup required
What makes it different	Not given	Free to use with no account or login required Renders captions in browser instead of uploading to server Automatic language detection across 100+ languages Viral-ready animated captions for TikTok, Reels and Shorts Video file stays private on user's device
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)	13 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	8	5
Citation Flow (Majestic)	18	32
Referring domains (Majestic)	12	110

4 details filled in for both companies.

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