SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
HeyGen records 7,000,070 monthly visits with +9.4% month-over-month growth and Freemium pricing. Katalog records 522 monthly visits with 0% growth and Freemium, Free Trial pricing.

Your reading list, voiced by AI
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | app.heygen.com | usekatalog.com |
| Pricing Model | Freemium | Freemium, Free Trial |
| Monthly Visits | 7M (7,000,070) | 522 (522) |
| MoM Traffic Delta | +599.16K (+9.4%) | +522 (0%) |
| Primary Market & Share | 🇺🇸 United States (18.5%) | 🇮🇩 Indonesia (100%) |
| Direct Visits / mo | 4.1M | 208 |
| User Rating | 4.8 | 4 |
| Supported Platforms | Website | Website |

Turn scripts into studio-quality AI avatar videos in minutes
Choose from 500+ stock presenters, use photo avatars, or train a custom Video Avatar that looks and sounds like you, then generate narrated videos straight from a script.
Localize one recording into 175+ languages and dialects with editable scripts, brand glossaries, voice switching and proofreading seats for native-language review.
An agentic workflow expands ideas into finished videos, with access to leading generative models for video and image generation on higher plans.
Add quizzes, branching and decision points, embed videos by link, and export SCORM packages so content drops straight into corporate learning systems.

Your reading list, voiced by AI
Katalog cleans up each article's transcript and narrates it with hyper-realistic voices, going beyond plain text-to-speech for a smoother listen.
Ask questions, take notes and highlight points by voice while the narration plays, hands-free and without leaving the audio.
Saved articles are stored with readable content only, so you can still access them even if the original page is no longer available.
Save articles from any website with the Chrome extension, then read or listen from the Katalog web app.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
AI audio platform for speech, agents, music and dubbing
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
Text to speech and voice AI across every device
Text to speech and voice AI across every device
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
Free AI text to speech with 200+ voices in 70+ languages
Free AI text to speech with 200+ voices in 70+ languages

All-in-one AI speech, transcription, and voice cloning studio
All-in-one AI speech, transcription, and voice cloning studio

AI text to speech with 5,000+ realistic voices in 150 languages
AI text to speech with 5,000+ realistic voices in 150 languages

SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.

Free AI text-to-speech across 140+ languages with instant MP3 downloads
Free AI text-to-speech across 140+ languages with instant MP3 downloads