# Lip Sync AI vs sync. labs (sync.so)

Lip Sync AI records 28,985 monthly visits with -13.8% month-over-month growth and Freemium pricing. sync. labs (sync.so) records 250,817 monthly visits with +15.7% growth and Usage-based (per frame/second) + monthly plans pricing.

| Metric | [Lip Sync AI](https://openaitools.app/tool/lip-sync-ai) | [sync. labs (sync.so)](https://openaitools.app/tool/sync-so) |
| :--- | :--- | :--- |
| Website URL | https://www.lipsyncai.org | https://sync.so |
| Categories | AI Lip Sync Generator, AI Animation Generator, AI Dubbing, AI Video Translator | AI Lip Sync Generator, AI Video Editor, AI Dubbing, AI API |
| Pricing Model | Freemium | Usage-based (per frame/second) + monthly plans |
| Monthly Visits | 28,985 | 250,817 |
| MoM Growth Rate | -13.8% | +15.7% |
| Primary Market | United States | United States |
| Direct Visits | 11,628 | 152,042 |
| Review Score | 4.1 | 4.4 |
| Saved Count | 1 | 1 |
| Supported Platforms | Website | Website |

## Lip Sync AI

Lip Sync AI addresses a specific and stubborn production problem: making a face on screen look like it is actually saying the words you hear. Instead of animating a cartoon avatar, the platform works on real footage. You upload a video (MP4, MOV, AVI, WebM, MKV) or a photo, supply an audio file or reuse the clip's existing soundtrack, and the model regenerates the mouth region so the performance lines up with the new audio. It supports multiple faces in one frame, so panel discussions, interviews, sketch comedy, and mini-dramas with several speakers can all be handled. The tool also claims tolerance for challenging angles — profile views, tilted heads, beards, and subtle mouth movement.

The workflow is deliberately short. Pick your video and audio source, choose between a fast Standard mode and a higher-fidelity Precision mode, tell the tool how many faces to sync and which ones to target, then preview and download. Alongside the core syncing engine, the site bundles a text-to-speech tool and an AI song generator, which means you can create a voice track from scratch and sync it without leaving the app — useful for dubbing old footage or producing content in a language you do not speak.

Pricing follows a freemium model. The free tier is genuinely usable but constrained: uploads are trimmed to roughly ten seconds of video and one second of audio until you upgrade. The site does not publish exact paid tiers on its landing page, so check the in-app pricing screen for current credit packs and limits. The main appeal is speed and accessibility — it removes the need for manual mouth animation, avatar pre-recording, or a video editor, and puts multi-language dubbing and content repurposing within reach of solo creators.

**Pricing & Plans:** Freemium. New users can generate lip sync videos for free, but free uploads are limited (about 10 seconds of video and 1 second of audio). Paid upgrades unlock longer clips and higher-quality modes; exact prices are shown on the site's pricing page.

- **Video and image lip sync:** Two dedicated workspaces: sync a performance in existing footage, or animate a still photo so its mouth matches a supplied audio track.
- **Multi-speaker face targeting:** Synchronize up to six faces in a single frame and select exactly which people should be animated — built for panels, interviews, and multi-character skits.
- **Standard and Precision modes:** Choose a fast pass for quick drafts or a higher-fidelity mode when mouth shapes and expression detail need to hold up close inspection.
- **Angles, profiles, and difficult faces:** Handles side profiles, tilted heads, minimal mouth movement, and facial hair, so footage does not need to be shot under studio conditions.
- **Bundled voice and audio tools:** Latent Sync, a Zonos-based text-to-speech tool, and an AI song generator let you create or clone the voice track you want to sync.

**Strengths:** Runs in the browser with no software install or video editing experience needed; Free tier lets you test the full pipeline before paying; Multi-face support covers panels, interviews, and multi-character dialogue; Works on real footage rather than only stylized avatars

**Limitations:** Free plan is tightly capped at roughly 10 seconds of video and 1 second of audio; Exact paid pricing is not published on the landing page, so costs require signing in; Very long source clips and highly unusual footage may still need retries or manual trimming

[Profile (Markdown)](https://openaitools.app/tool/lip-sync-ai.md)

## sync. labs (sync.so)

sync. labs built its reputation on the idea that lip sync should survive real production conditions rather than only clean, front-facing talking-head footage. Its model family — sync-3 for intelligent lip syncing, lipsync-2-pro, lipsync-2, and react-1 for expressive experimental work — is trained to handle multiple faces in one frame, objects blocking the mouth, side angles, mixed lighting, 4K ProRes media and rapid-fire dialogue. The result is used across films, advertising, social content, games and animation.

The platform is offered through several entry points rather than one single app. sync. Studio is a frame-accurate timeline editor with a guided AI Assistant mode for people who would rather describe a change than cut it manually; the Lite assistant is aimed at getting a synced shot as fast as possible. Plugins for Adobe Premiere Pro and DaVinci Resolve plus a ComfyUI node bring the same models into pipelines that already exist, and the REST API and SDKs make it possible to sync video at scale — including a Batch API for launching hundreds of jobs with a single call. Dubbing support covers 29 languages, with text-to-speech and custom voice cloning either through partner integrations or your own TTS API key.

A less common feature is the company's proprietary watermarking and verification: uploaded video can be checked to determine whether it was modified with their technology, which matters for studios that need provenance and rights verification. Billing is consumption-based — you subscribe for a plan that unlocks longer videos, higher concurrency and discounts, then pay per frame or per second of generated video, with dubbing and text-to-speech billed separately per second of audio.

**Pricing & Plans:** Usage-based pricing on top of a subscription. Verified plans from the pricing page: Hobbyist $5/mo (1 min videos, 3 concurrent jobs, 3 voice clones), Creator $19/mo (5 min, 10 concurrent, 5 voice clones, active speaker detection, no watermark), Growth $49/mo (10 min, 20 concurrent, 15 voice clones, 5% usage discount, 3 seats), Scale $249/mo (30 min, 50 concurrent, 50 voice clones, 20% usage discount, 5 seats, batch API). Generation is metered per frame — for example lipsync-2 at $0.002/frame (~$0.05 per second at 25 FPS) up to sync-3 at $0.00533/frame (~$0.133 per second) — while dubbing is about $0.10 per second of audio ($6/min) and text-to-speech about $0.004 per second ($0.24/min) on the entry tiers. Enterprise pricing is by contact for customization, dedicated support and negotiated rates.

- **Advanced lip sync models:** A model lineup spanning sync-3, lipsync-2-pro, lipsync-2 and react-1, handling side faces, occluded mouths, multiple faces per frame, low light and fast camera movement, up to 4K ProRes footage.
- **Visual dubbing in 29 languages:** Keep the original performance and delivery while replacing the dialogue language, so a single shoot can serve global markets without reshooting the actor.
- **Text-to-speech and voice cloning:** Generate the new voice track inside the platform or bring your own TTS API key; plan tiers include a set number of custom cloned voices.
- **Studio timeline plus AI Assistant:** A frame-accurate editor for cut, trim and split work, alongside a guided assistant where you describe the change you want and it configures the generation.
- **Pipeline integrations and API:** Premiere Pro plugin, DaVinci Resolve plugin, ComfyUI node, REST API and SDKs, with a Batch API for launching hundreds of videos in one call.
- **Watermark verification:** Proprietary watermarking lets you upload a video and check whether it was modified using sync.'s technology, supporting provenance and rights checks.

**Strengths:** Handles production-grade edge cases other lip sync tools struggle with: side profiles, occluded faces, multiple faces, low light and fast motion; Multiple access paths — web Studio, AI Assistant, Premiere Pro and DaVinci Resolve plugins, ComfyUI node and full API — so it fits existing pipelines; Very wide language coverage for dubbing (29 languages) paired with in-platform voice cloning or bring-your-own TTS; Fine-grained, consumption-based metering means you are billed for what you actually generate rather than buying opaque credit bundles

**Limitations:** Costs stack up: a plan fee plus per-frame, per-second dubbing and per-second TTS charges can be hard to predict for high-volume projects; Entry-level Hobbyist tier is limited to 1-minute videos and 3 concurrent jobs, which is tight for real production work; Cheapest rates only unlock on the Scale plan, so heavy users on lower tiers pay noticeably more per frame; Voice cloning quotas are plan-gated (3 to 50 voices), which can constrain multi-language casting at lower tiers

[Profile (Markdown)](https://openaitools.app/tool/sync-so.md)

## Frequently Asked Questions

### How do Lip Sync AI and sync. labs (sync.so) compare in monthly traffic?

Lip Sync AI has 28,985 monthly visits, while sync. labs (sync.so) has 250,817. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Lip Sync AI has a month-over-month growth rate of -13.8%; sync. labs (sync.so) has +15.7%.

### How does pricing compare?

Lip Sync AI: Freemium. Freemium. New users can generate lip sync videos for free, but free uploads are limited (about 10 seconds of video and 1 second of audio). Paid upgrades unlock longer clips and higher-quality modes; exact prices are shown on the site's pricing page. sync. labs (sync.so): Usage-based (per frame/second) + monthly plans. Usage-based pricing on top of a subscription. Verified plans from the pricing page: Hobbyist $5/mo (1 min videos, 3 concurrent jobs, 3 voice clones), Creator $19/mo (5 min, 10 concurrent, 5 voice clones, active speaker detection, no watermark), Growth $49/mo (10 min, 20 concurrent, 15 voice clones, 5% usage discount, 3 seats), Scale $249/mo (30 min, 50 concurrent, 50 voice clones, 20% usage discount, 5 seats, batch API). Generation is metered per frame — for example lipsync-2 at $0.002/frame (~$0.05 per second at 25 FPS) up to sync-3 at $0.00533/frame (~$0.133 per second) — while dubbing is about $0.10 per second of audio ($6/min) and text-to-speech about $0.004 per second ($0.24/min) on the entry tiers. Enterprise pricing is by contact for customization, dedicated support and negotiated rates.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [HeyGen](https://openaitools.app/tool/heygen) | 7,000,070 | +9.4% | Freemium | Industry-leading AI video platform offering professional multi-language video translation and studio-grade lip syncing. | [.md](https://openaitools.app/tool/heygen.md) |
| 2 | [Digen AI](https://openaitools.app/tool/digen-ai) | 3,205,992 | -14.1% | Free | Free AI video generator with lip sync and multilingual delivery | [.md](https://openaitools.app/tool/digen-ai.md) |
| 3 | [Synthesia](https://openaitools.app/tool/synthesia) | 1,804,463 | +7.5% | Freemium, Contact for Pricing | Create professional videos from text with AI avatars in 140+ languages | [.md](https://openaitools.app/tool/synthesia.md) |
| 4 | [Vozo AI](https://openaitools.app/tool/vozo-ai) | 405,317 | -10.3% | Freemium, Contact for Pricing | Provides robust video localization, voice cloning, and precise lip-syncing capabilities for existing footage. | [.md](https://openaitools.app/tool/vozo-ai.md) |
| 5 | [AI Dubbing](https://openaitools.app/tool/ai-dubbing) | 307,070 | -16.8% | Freemium | Free AI video dubbing and lip-sync in 170+ languages | [.md](https://openaitools.app/tool/ai-dubbing.md) |
| 6 | [LipSync.video](https://openaitools.app/tool/lipsync-video) | 266,204 | -11.9% | Free | AI lip sync and video studio for talking photos, avatars, and full AI video creation | [.md](https://openaitools.app/tool/lipsync-video.md) |
| 7 | [Perso AI](https://openaitools.app/tool/perso-ai) | 137,383 | -12.8% | Freemium, Free Trial, Paid, Contact for Pricing, Free | AI dubbing, avatars and live translation in one multilingual platform | [.md](https://openaitools.app/tool/perso-ai.md) |
| 8 | [Rask AI](https://openaitools.app/tool/rask-ai) | 106,276 | +14.6% | Paid, Contact for Pricing | Specializes in automated video translation and voice dubbing while preserving original speaker voices and lip sync. | [.md](https://openaitools.app/tool/rask-ai.md) |
| 9 | [BlipCut AI Video Translator](https://openaitools.app/tool/blipcut-ai-video-translator) | 74,175 | -9.6% | Paid | Localizes videos into numerous languages using automatic voice dubbing, cloning, and precise lip synchronization. | [.md](https://openaitools.app/tool/blipcut-ai-video-translator.md) |
| 10 | [LipSync Studio](https://openaitools.app/tool/lipsync-studio) | 72,142 | -16.4% | Freemium | Free 4K AI lip sync for talking, singing and dubbed videos | [.md](https://openaitools.app/tool/lipsync-studio.md) |

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Source: https://openaitools.app/compare/lip-sync-ai-vs-sync-so

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