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. SteosVoice records 32,713 monthly visits with -46.6% growth and Freemium pricing.

AI text-to-speech with a large cast of voices, an API and a Telegram bot
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | app.heygen.com | cybervoice.io |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 7M (7,000,070) | 32.71K (32,713) |
| MoM Traffic Delta | +599.16K (+9.4%) | -28.54K (-46.6%) |
| Primary Market & Share | 🇺🇸 United States (18.5%) | 🇷🇺 Russia (59.3%) |
| Direct Visits / mo | 4.1M | 5.29K |
| User Rating | 4.8 | 3.8 |
| 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.

AI text-to-speech with a large cast of voices, an API and a Telegram bot
A library marketed as hundreds of voices spanning accents, ages and styles, so you can match narration, character or conversational tone to your content.
Convert scripts and documents into natural-sounding speech suitable for video narration, audiobooks, podcasts and dubbing.
Generate speech programmatically through an API or straight from chat with a Telegram bot, ideal for repeatable content pipelines.
Adjust delivery and emotion so lines land with the right tone, from neutral read-throughs to expressive character performances.
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

Free / Open-sourceStudio-grade AI text to speech and voice cloning
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
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
Generate natural, emotional AI voiceovers — and clone your own voice.
Generate natural, emotional AI voiceovers — and clone your own voice.
Free online text-to-speech with hundreds of AI voices across more than 100 languages
Free online text-to-speech with hundreds of AI voices across more than 100 languages

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.
Vietnamese AI text-to-speech, voice cloning, and dubbing for creators
Vietnamese AI text-to-speech, voice cloning, and dubbing for creators