# Async — Chat-based AI video studio with built-in AI voices, voice cloning, dubbing and subtitles.

> Source: Dubsheet — https://dubsheet.com/async (structured, researched, re-verified)

Async is a chat-based AI video and audio studio from Podcastle Inc. that turns raw footage or a written script into a finished piece. It bundles 1000+ AI voices, voice cloning, dubbing with lip sync, subtitles and a browser timeline editor.

**Best for:** Creators and small teams making social video and podcasts in one browser tool

| Fact | Value |
| --- | --- |
| Website | https://async.com/ |
| Category | AI podcast studios, Ads and marketing, Cheapest for 2 hours a month, Courses and e-learning, Free text to speech, YouTube and social video |
| API | Yes |
| Open source | No |
| Price | Free |
| Price checked | 27 October 2026 |

Screenshot of Async: https://dubsheet.com/img/1920/screenshots/async.webp, captured 28 October 2026

**What we checked**

- Pages last read: 27 October 2026
- Price on its site: Free plan (From its pricing page)

## Async price and terms

**Terms**

- Free plan: Yes — Free plan at €0.00 with no card: 10 AI credits and 1 hour of media upload, both lifetime rather than monthly, roughly 15 minutes of text-to-speech (12k characters) lifetime, 2 GB storage, one export file capped at 720p video or 160kbps MP3, and a watermark on video exports. Paid plans separately offer a 7-day free trial.
- Sign up without sales: Some plans

**What needs a higher plan**

- Essentials: Cost for 2 hours a month
- Teams: Cost for 10 hours a month (heavy use), How long a video you can dub, Team seats

## For AI agents

- API: Yes

Pricing page as we captured it: https://dubsheet.com/img/1920/screenshots/async/pricing.webp, captured 28 October 2026

Read on https://async.com/pricing, 27 October 2026.

## What we checked on Async

### What an hour of speech costs

**Cost for 2 hours a month** · Partly — €19.99 a month (about $22) on Essentials for 2 hours of 60 minutes. credits counted per character or per word are converted at the standard hour: 52,000 characters, 9,300 words Free might cost less, but no overage price is published, so it could not be priced past its allowance.

> Essentials For solo creators getting started €19.99 (about $22) 450 credits / month
> — https://async.com/pricing · Essentials plan card, Monthly toggle selected, checked 27 October 2026

**Cost for 10 hours a month (heavy use)** · Partly — €84.99 a month (about $95) on Teams for 10 hours of 60 minutes. credits counted per character or per word are converted at the standard hour: 52,000 characters, 9,300 words Free, Essentials, Pro might cost less, but no overage price is published, so it could not be priced past its allowance.

> Teams For small teams producing at volume €84.99 (about $95)per creator 3000 credits / month
> — https://async.com/pricing · Teams plan card, Monthly toggle selected, checked 27 October 2026

**Promotion and regular price** · Yes — yearly shown monthly: the pricing page opens on the yearly toggle, showing Essentials at EUR 11.99 a month; clicking Monthly reveals the regular EUR 19.99 month-to-month rate.

> SAVE 40% WITH YEARLY PLANS
> — https://async.com/pricing · Pricing hero, banner above the Monthly/Yearly billing toggle, checked 27 October 2026

**What the price counts** · Yes — Two meters run side by side: AI credits for generation (450, 1200 or 3000 a month) and a separate text-to-speech allowance counted in characters and hours per plan.

> Text-to-Speech & AI Voices 1000+ AI voices to generate audio in 15+ languages ~ 15 min (12k characters) lifetime ~ 2 hours (120k characters) ~ 10 hours (500k characters) ~ 40 hours (2M characters)
> — https://async.com/pricing · Plan comparison table, Text-to-Speech & AI Voices row, checked 27 October 2026

**Past your allowance** · Partly — The vendor sells one-time Top-Up Packs on top of each plan and shows a Top-up packs row, but it publishes no pack size or pack price anywhere on the pricing page.

> You can acquire more credits by upgrading your subscription plan for a higher monthly allowance or by purchasing a one-time "Top-Up Pack" for immediate use.
> — https://async.com/pricing · Pricing FAQ, "How do I get more credits?", checked 27 October 2026

**Unused credits** · No — Subscription credits reset every billing cycle and do not carry over; only separately purchased top-up credits last beyond the month, and on monthly plans only for two months.

> No, monthly subscription credits reset at the start of each billing cycle. However, credits purchased via Top-Up packs are availiable for Yearly plans till the end of the suscription, for monthly plans - for 2 months
> — https://async.com/pricing · Pricing FAQ, "Do unused credits roll over the month?", checked 27 October 2026

**Commercial use** · Yes — The vendor states outright that generated audio may be used commercially, naming YouTube monetization, podcast ads and corporate training, and names no plan floor for that right.

> Yes! When you use Async for your business, you retain ownership of the output. This means you can use your generated audio for YouTube monetization, podcast ads, corporate training, and social media marketing.
> — https://async.com/ai-voices · FAQ, "Can I use the AI voices for commercial projects?", checked 27 October 2026

### The voices

**Stock voices** · Yes — The vendor advertises a library of more than a thousand ready-made voices, filterable by language, accent and style, alongside any voices you clone yourself.

> Generate studio-quality audio with Async Text-to-Speech generator. Choose from 1000+ AI voices with different tones and accents to create voiceovers in just seconds.
> — https://async.com/ai-voices · Hero section, "1000+ realistic AI voices for any mood", checked 27 October 2026

**Languages** · Yes — Narration is offered in 15 languages, with accent variants shown in the voice picker including British, Scottish, Australian and New York English.

> Convert text to speech in seconds. Create voiceovers and narration in 15 languages with 1000+ voices.
> — https://async.com/text-to-speech · Hero paragraph under "Text-to-Speech with human-like AI voices", checked 27 October 2026

**Emotion, pace and emphasis** · Yes — You can insert pauses, adjust pacing and set a stability level that trades monotone steadiness against more expressive intonation, and regenerate a single sentence.

> Fine-tune pronunciation, add custom pauses, adjust pacing, and regenerate only the sentence you want to fix.
> — https://async.com/text-to-speech · Feature block, "Chat-based fixing", checked 27 October 2026

**Pronunciation fixes** · Yes — A pronunciation dictionary holds brand names and technical terms so the fix applies to every take, and the API additionally accepts IPA phonemes.

> Teach the system brand names and technical terms with a pronunciation dictionary, so it’s right every time.
> — https://async.com/text-to-speech · Feature block, "Chat-based fixing", checked 27 October 2026

**Long scripts and chapters** · Yes — A whole script or an uploaded PDF becomes one project narrated chapter by chapter, and regeneration works at sentence or paragraph level without touching the rest.

> Create chapter-by-chapter narration with realistic AI voices in multiple languages just by uploading a PDF file. Regenerate only the sentences you want to polish.
> — https://async.com/text-to-speech · Use-case card, "Audiobooks & long-form narration", checked 27 October 2026

**Audiobook files** · Yes — Async markets itself for audiobook production and states its exports meet ACX submission requirements, the Audible channel, at 320kbps 44.1 kHz constant bit rate.

> Compatible with ACX submission requirements. With MP3 downloads up to 320kbps, 44.1 kHz Constant Bit Rate (CBR), AI-powered Background Noise Removal and Auto-Leveling
> — https://async.com/usecase/audiobooks · "Why audiobook creators love Async" section, checked 27 October 2026

**Several speakers** · Yes — Different voices can be assigned per paragraph in one project, which is how the vendor builds dialogue, interviews and two-host podcast narration.

> Assign different voices to paragraphs with one click to create dialogues, interviews, and multi-perspective narration without coordinating multiple voice actors.
> — https://async.com/text-to-speech · Feature block, "One-click multi-speaker voiceovers", checked 27 October 2026

**Audio you get** · Yes — Audio export offers seven formats including MP3, WAV, AIFF and FLAC; quality is capped at 160kbps MP3 on Free and rises to 320kbps MP3 or 1411kbps WAV on paid plans.

> When exporting an audio file, you have the option to select from 7 different audio formats.
> — https://help.async.com/en/articles/9917592-what-are-the-types-of-audio-file-exports · Opening line of "What are the types of audio file exports?", checked 27 October 2026

### Cloning a voice

**Instant cloning** · Yes — A clone is built from a three-second sample, or up to ten seconds recorded in the app or a file up to 10MB, and appears straight away in AI Voices.

> Clone your voice in just 3 seconds and create content that sounds natural, consistent, and unmistakably yours, even when different team members ship it.
> — https://async.com/voice-cloning · Feature block, "Voice cloning that sounds like you", checked 27 October 2026

**Consent of the voice’s owner** · Partly — The vendor places the duty on the user, barring impersonation deepfakes without consent and telling dubbing users to clone only voices they may use, but documents no proof or verification step before a clone is made.

> Do not use the Services to create deepfakes, synthetic media designed to impersonate real individuals without consent
> — https://async.com/ai-terms-of-use · "Additional Restrictions" list, checked 27 October 2026

**Your voice trains their models** · Yes — The terms take a perpetual, irrevocable license over your input and output to improve Async and its third-party AI providers, with an email opt-out from training use.

> you grant Async a perpetual, worldwide, royalty-free, sub-licensable, irrevocable, and non-exclusive right to store, copy, use, modify, reproduce, sublicense and distribute the Input and Output
> — https://async.com/terms · Responsible AI Use, "Your License to Async", checked 27 October 2026

### Dubbing and translation

**Video dubbing** · Yes — You upload a video or paste a YouTube link, pick a target language, and the tool clones the speaker's voice, translates and syncs the new track across 30+ languages.

> Auto-translate your message, preserve your voice and tone, and deliver perfectly lip-synced dubs across 30+ languages.
> — https://async.com/ai-translation-and-dubbing · Hero paragraph, "AI Translation and Dubbing", checked 27 October 2026

**Lip sync** · Yes — Lip sync is an option you switch on in the dubbing settings, matching mouth movement and timing to the dubbed track rather than overlaying it.

> AI matches timing and mouth movement so the dubbed voice lines up naturally with the original speaker.
> — https://async.com/ai-translation-and-dubbing · Feature block, "Lipsync accuracy", checked 27 October 2026

**How long a video you can dub** · Partly — Dubbing bills one credit per minute of video and the plan table caps it at 300 minutes a month on the Teams plan; no maximum file length or file size per dub is published.

> AI Dubbing & Lipsync 1 credit / 1 min 300 min (5 hours) Custom
> — https://async.com/pricing · Plan comparison table, AI tools section, AI Dubbing & Lipsync row, checked 27 October 2026

**Captions and subtitles** · Yes — Captions are generated automatically, styled, translated into many more languages, and can be exported as a separate caption file as well as burned into the video.

> Once you are happy with your video and the captions, simply export the final video or export the captions in a separate file.
> — https://async.com/ai-subtitles · "How to add subtitles to the video?", step "Export and share", checked 27 October 2026

### Working with it

**Voice to video** · Yes — Generated speech lands in the same browser multitrack timeline as the footage, so voice-over, captions and cuts are placed against the picture in one project.

> This online video editor brings recording, editing, captions, audio cleanup, and publishing into one browser-based workspace
> — https://async.com/products/video-editor · "An AI video editor that just gets it" paragraph, checked 27 October 2026

**Team seats** · Yes — The Teams plan is priced per creator at EUR 84.99 a month; Viewer roles are free and unlimited, while Creator and Admin roles each need their own subscription.

> Viewer roles are unlimited, but the others will require additional subscriptions.
> — https://async.com/async-for-teams · "How it works", step "Invite your team", checked 27 October 2026

**API** · Yes — Speech is available programmatically through a separate developer product, the Async Voice API, with its own key, docs, free tier and streaming WebSocket endpoints.

> Async Text-to-Speech is powered by the same proprietary model available via API. Build realtime voice apps and agents with streaming support and voice cloning.
> — https://async.com/async-voice-api · "Add text-to-speech to your app or agent with our Voice API" section, checked 27 October 2026

**API price** · Yes — API speech is billed per hour of output audio: $0.50 an hour on the Flash model and $1.00 on Pro, with instant cloning included and billing rounded to the second.

> Start as low as $0.5/hour $0.10 free credit to start – no card required TTS Flash – $0.50/hour TTS Pro – $1.00/hour Instant voice cloning included
> — https://async.com/async-voice-api/pricing · Developer plan card, checked 27 October 2026

**Platforms** · Yes — web, ios: the studio runs entirely in a browser with nothing to install, and an iOS app adds recording and voice cloning; Android is explicitly not available yet.

> The Async app is available on iOS, we don’t currently have an Android version, but we are working on it! For now, Android users can still access 100% of Async features via our web app
> — https://async.com/ios-app · FAQ, "Is the Async app available for Android?", checked 27 October 2026

**Works inside** · Yes — Integrations are developer-side for the Voice API (Pipecat, LiveKit, Twilio, n8n, Picsart Flow) plus script import from Google Drive and Dropbox; nothing is published for Canva, Adobe or WordPress.

> Use ready-to-go integrations with Pipecat, n8n, LiveKit, Twilio, and more.
> — https://async.com/text-to-speech · "Add text-to-speech to your app or agent with our Voice API" section, checked 27 October 2026

### Labelling and rights

**Who owns the audio** · Yes — The terms say you keep ownership of both input and output and may use the output for any lawful purpose, with no clause ending that right on cancelation, though Async keeps a perpetual license of its own.

> As between you and Async, you retain ownership of your Input and the resulting Output, in each case to the fullest extent permitted by law.
> — https://async.com/terms · Responsible AI Use, "Your Ownership Rights", checked 27 October 2026

### Trying it, starting and getting help

**Free plan or trial** · Yes — A standing Free plan at EUR 0.00 needs no card and allows roughly 15 minutes of speech from 12k characters, 10 credits, one hour of media and a single 720p export, all lifetime rather than monthly.

> No credit card is required to sign up for an Async account with the Free plan.
> — https://async.com/pricing · Pricing FAQ, "Do I need to enter my credit card info to sign up?", checked 27 October 2026

**What the free plan leaves on your audio** · Partly — Video exported on the Free plan carries a watermark because removal is a paid-tier toggle; commercial use of generated audio is not restricted by plan, and no watermark is documented on audio exports.

> You can remove the watermark before exporting by toggling the Remove Watermark option. Please note that this option is available only within paid tiers.
> — https://help.async.com/en/articles/9930572-how-do-i-export-a-video-project · "How do I export a video project?", step 3, checked 27 October 2026

**Still sold** · Yes — live: the product sells plans to new customers today under Podcastle Inc. trading as Async, the renamed and rebuilt Podcastle platform.

> These Terms and Conditions (also "Terms") is a legal agreement between you and Podcastle Inc. (DBA Async)
> — https://async.com/terms · Acknowledgement section, checked 27 October 2026

**Sign up without a sales call** · Partly — Essentials, Pro and Teams are bought online by card or PayPal with no sales contact, but the Business tier is priced custom and only reachable through a contact form.

> We accept PayPal and all major credit & debit cards for our premium subscription plans.
> — https://async.com/pricing · Pricing FAQ, "What methods of payments do you accept?", checked 27 October 2026

**Contract and cancelling** · Yes — Plans renew monthly or yearly and can be canceled online in Profile Settings at any time; a 7-day refund window applies to a new subscription and access runs to the period's end.

> Yes, you can cancel your subscription at any time through your Profile Settings. We offer a 7-day refund policy on new subscriptions, which applies to the initial upgrade (excluding AI credits used).
> — https://async.com/pricing · Pricing FAQ, "Can I cancel my plan anytime?", checked 27 October 2026

**Support** · Partly — AI chat support runs around the clock on every plan, but human help is email only on Free and live chat from Essentials upward; no business hours or response times are published.

> AI chat support 24/7 Live human support Email Live chat Live chat Live chat Live chat
> — https://async.com/pricing · Plan comparison table, Support section, checked 27 October 2026

## Async alternatives

- [Murf AI](https://dubsheet.com/murf) · From $29 a month: Voice-over Studio with timeline video syncing, downloadable audio, dubbing, and a public API.
- [Narakeet](https://dubsheet.com/narakeet) · Free plan, then $6 per 30 minutes: Duration-priced browser voice-over and narrated-video maker with non-expiring capacity.
- [HeyGen](https://dubsheet.com/heygen) · Free plan, then $29 a month: AI avatar video, voice cloning and video translation into 175+ languages with lip sync.
- [Fish Audio](https://dubsheet.com/fish-audio) · Free plan, then $15 a month: Expressive text-to-speech, voice cloning and long-form studio with a credit-metered API.
- [Akool](https://dubsheet.com/akool) · Free plan, then $12 a seat a month: AI video suite with video translation, lip sync, text to speech, voice cloning and a voice changer.
- [Speechma](https://dubsheet.com/speechma) · Free plan, then $9 a month: Free text to speech and creator audio tools with no account or credit card.
- [Voicemaker](https://dubsheet.com/voicemaker) · Free plan, then $5 a month: Credit-metered AI text-to-speech studio with 2,000+ voices, voice cloning, speech-to-speech and SRT export.
- [TopMediai](https://dubsheet.com/topmediai) · From $35.99 a month: AI studio for text to speech, voice cloning and video dubbing on one shared credit balance.
- [Typecast](https://dubsheet.com/typecast) · Free plan, then $5 a month: Expressive AI voice generator with emotion controls, voice cloning and a developer speech API.

All 9 publish a price.

[All 9 alternatives](https://dubsheet.com/async/alternatives/)

## Sources and changes

Last changed 27 October 2026

**Sources** (16)

- https://async.com/pricing, read 27 October 2026
- https://async.com/text-to-speech, read 27 October 2026
- https://async.com/terms, read 27 October 2026
- https://async.com/ai-translation-and-dubbing, read 27 October 2026
- https://async.com/ai-voices, read 27 October 2026
- https://async.com/ai-subtitles, read 27 October 2026
- https://async.com/ai-terms-of-use, read 27 October 2026
- https://async.com/async-for-teams, read 27 October 2026
- https://async.com/async-voice-api, read 27 October 2026
- https://async.com/async-voice-api/pricing, read 27 October 2026
- https://help.async.com/en/articles/9917592-what-are-the-types-of-audio-file-exports, read 27 October 2026
- https://help.async.com/en/articles/9930572-how-do-i-export-a-video-project, read 27 October 2026
- https://async.com/ios-app, read 27 October 2026
- https://async.com/products/video-editor, read 27 October 2026
- https://async.com/usecase/audiobooks, read 27 October 2026
- https://async.com/voice-cloning, read 27 October 2026

**Updates** (1)

- 27 October 2026: Dubbing features, Free tier, License terms, Plan limits, Plans

## Is this yours?

Claim Async: https://dubsheet.com/claim/async

Report an error if a fact is wrong: hello@dubsheet.com, subject "Report an error: Async (async)".
