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Acoust

4.1 (1 User Ratings)
Verified Featured Tool

Generate ultra-realistic AI voiceovers in 60+ languages, clone any voice, and produce complete videos — all from one browser-based platform, starting free.

Freemium: Starting at $5/mo
Updated: July 22, 2026

Acoust is a browser-based AI voice generation and content creation platform that converts text into lifelike speech using generative AI LLM technology across 60+ languages and regional accents, with dynamic emotion controls, per-sentence audio customization, instant and professional voice cloning, custom AI voice design from text prompts, AI translation, an AI clips tool for short-form video creation, and a built-in video editor — all accessible for free with no credit card required, and paid plans starting at $5/month.

• Text to Speech with LLM-Powered Voices — Convert scripts into natural, expressive audio using generative AI language models combined with neural TTS; supports 60+ languages and regional accents including US, UK, Australian, Indian English, French Canada, Arabic UAE and Saudi Arabia, Hindi, and more.
• Dynamic Emotion Controls — Apply emotion directives — excitement, sadness, anger, calmness, terror, and additional styles — at the sentence or phrase level to shape vocal delivery beyond a flat, uniform output; available on Starter plan and above.
• Advanced Voice Customization — Fine-tune every voiceover with per-word Emphasis (stress on specific syllables), Pitch adjustment for emotional phrases, custom Pause lengths between sentences, Pronunciation override using alternative spellings, and playback Speed control.
• AI Voice Cloning (Instant and Professional) — Instant Cloning creates a reusable voice clone from a few minutes of audio immediately, starting at $1; Professional Cloning uses 30+ minutes of audio for maximum fidelity, delivered after fine-tuning over several days.
• Custom Voices from Text Prompts — Generate a completely new AI voice by typing a description — "warm conversational narrator", "energetic TikTok creator", or any persona — powered by GenAI LLM technology, with no audio sample required.
• AI Translation — Convert any script into 60+ languages instantly, enabling creators and marketers to produce multilingual content from a single source script without a translator or separate localization tool.
• AI Clips (BETA) — Automatically identify the highest-engagement segments from long videos and convert them into short-form clips with multiple auto-subtitle styles — purpose-built for YouTube Shorts, Reels, and TikTok repurposing.
• Video Editor (BETA) and Document Listening — Edit finished videos directly inside the platform without third-party software; upload .docx or text files to convert documents, articles, and training materials into listenable audio at adjustable playback speeds.
Pros
  • Permanent free plan with no credit card required lets creators fully evaluate TTS, voice previewing, and platform layout before spending anything
  • Generative AI LLM technology layered on neural TTS produces more contextually natural output than platforms using neural TTS alone
  • Starter plan at $5/month is among the most affordable commercial-licensed TTS tiers in 2026, covering 50,000 characters and dynamic emotion voices
  • Custom voice design from text prompts requires no sample audio — a unique capability that lets anyone build a branded voice persona without recording
  • Two-mode voice cloning (Instant from a few minutes, Professional from 30+ minutes) accommodates both fast content workflows and high-fidelity production projects
  • All-in-one workspace with TTS, video editor, AI clips, translation, and document listening eliminates the need to switch tools during a production session
  • Verified enterprise customers including a global training firm (Smart Group LLC) report cutting video production time from 5 weeks to 1 week using Acoust
Cons
  • × Official YouTube channel has only 2 tutorial videos and 6 subscribers — onboarding and self-learning resources are significantly weaker than competitors like ElevenLabs, DupDub, and VoiSpark
  • × AI Clips and Video Editor are both listed as BETA features as of April 2026 — production reliability and feature completeness for these tools are not yet at a stable, final release state
  • × No publicly confirmed SOC 2 Type II, ISO 27001, HIPAA, or GDPR compliance certifications found on the official site — a gap for enterprise buyers in regulated industries
  • × Voice library size is limited to 100+ voices — significantly smaller than ElevenLabs (10,000+), DupDub (700+), and VoiSpark (700+), reducing variety for high-volume content creators
  • × No native mobile app — the platform is entirely web-based with no iOS or Android app for on-the-go audio generation or voice cloning
  • × Pricing page does not publicly display plan details inline — confirmed plan features require third-party sources, reducing pricing transparency versus competitors
Free ($0/mo) Core TTS access, voice previewing, basic voices, limited monthly characters, no credit card required — personal non-commercial use.
Starter ($5/mo) 50,000 characters/month (~60 min audio), dynamic emotion voices, AI text extraction from PDF documents, 30+ languages, commercial use rights.
Pro ($9/mo) Increased monthly character allowance above Starter, full voice library access, advanced audio customization controls (Emphasis, Pitch, Pause, Speed, Pronunciation), commercial use rights, voice cloning access.
Premium ($29/mo) Highest self-serve character volume, everything in Pro plus maximum concurrent features, priority access, expanded voice cloning capacity, suitable for high-output content studios and agencies.
Enterprise (Custom) Custom character volumes, team and multi-user accounts, dedicated support, custom SLA terms — contact Acoust directly for tailored team solutions.

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