Kits AI
Kits AI offers audio tools for creating custom voices, changing vocals and working with music.
What Kits AI is
Kits AI offers audio tools for creating custom voices, changing vocals and working with music. Its features include voice cloning and conversion, vocal enhancement and removal, stem splitting, AI mastering, harmonies, pitch editing, and key and BPM detection. The voice-changing tools include a library of more than 100 royalty-free artists. A Windows desktop app supports drag-and-drop into a DAW or other music production software and simultaneous auditioning of multiple vocal models; a browser version and API are also listed. API endpoints cover voice conversion, voice blending and vocal removal, but text-to-speech was deprecated from the API as of September 22, 2025. Kits says model voices are licensed and sourced from artists, who benefit through revenue sharing. The free plan includes 15 conversion minutes, no voice slots and no download minutes. Submitted and generated audio may be used to improve services, including related AI and machine-learning models.
Good
- Free plan includes 15 conversion minutes.
- Voice library lists more than 100 royalty-free artists.
- Desktop app supports drag-and-drop into music software.
- API offers voice conversion, blending and vocal removal.
- Artists benefit through revenue sharing, according to Kits.
Watch out
- Free plan has no voice slots.
- Free plan has no download minutes.
- API text-to-speech was deprecated September 22, 2025.
- Submitted and generated audio may be used to improve services.
Who it suits
Kits AI may suit music creators looking for voice conversion, vocal processing or mastering tools, including users working in a DAW. Its API may suit developers integrating voice conversion, blending or vocal removal.
Verdict
Kits AI brings voice tools and music-processing features together, with browser, desktop and API access. Check the free plan’s slot and download limits, and note the stated use of submitted and generated audio.
Plans and prices
From Kits AI's own pricing page, checked 20 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | 15 conversion minutes · 0 voice slots · 0 download minutes · voice designer/blender · generative vocals |
| Starter | $10 a month | 60 conversion minutes · 2 voice slots · 15 download minutes · professional voice cloning · advanced settings · choir tool |
| Producer | $30 a month | Unlimited conversion minutes · unlimited voice slots · 60 download minutes · everything in Starter |
| Professional | $60 a month | Unlimited conversion minutes · unlimited voice slots · unlimited download minutes · everything in Producer |
The facts
Each one read from Kits AI's own pages, with the date it was checked.
What it does
- Acquisition news
- Music Business Worldwide reported on January 21, 2026 that Splice acquired Kits AI and that the Kits team joined Splice.checked 20 Oct 2026
- AI mastering
- AI Mastering processes music, stems or samples.checked 20 Oct 2026
- AI voice cloning
- Users can train custom voice models from recordings and reuse them for vocal conversion.checked 20 Oct 2026
- API
- The API page lists voice conversion, voice blending, and vocal removal endpoints for integration into applications.checked 4 Oct 2026
- API access
- The service provides API tokens and directs developers to public API documentation, with higher rate limits available through support.checked 20 Oct 2026
- API documentation
- The public documentation includes an introduction page for creating an API key.checked 20 Oct 2026
- API limitation
- The API page says text-to-speech functionality was deprecated from the Kits AI API as of September 22, 2025.checked 4 Oct 2026
- Artist compensation
- Kits says artists receive revenue sharing for use of their vocal data in the artist model library.checked 20 Oct 2026
- Audio tools
- Its tools include voice cloning and changing, vocal enhancement and removal, stem splitting, AI mastering, harmonies, pitch editing, and key and BPM detection.checked 4 Oct 2026
- Cancellation
- After cancellation, additional features remain available through the end of the billing period, while custom AI voice clones are locked and custom voices are frozen until subscription renewal.checked 4 Oct 2026
- Compliance claim
- The acquisition report says Kits AI vocal technology is certified by Fairly Trained.checked 20 Oct 2026
- Ethical data sourcing
- Kits says its modeled voices are licensed directly from artists and are not scraped without authorization.checked 20 Oct 2026
- Ethics
- Kits says voices used in its models are licensed and sourced from artists, and that artists in its artist model library benefit through revenue sharing.checked 4 Oct 2026
- Funding and investors
- Crunchbase lists 14 investors, including Wyclef Jean and Louis Bell.checked 20 Oct 2026
- Harmonies
- The Harmonies tool turns source audio into vocal harmonies.checked 20 Oct 2026
- Instrument library
- The AI Instrument Library provides session-instrument sounds for sketching ideas.checked 20 Oct 2026
- Limit: export caps
- MakerStack says lower plans cap download minutes, with unlimited downloads reserved for the Professional tier.checked 20 Oct 2026
- Limit: no full-song generation
- Violet Recording says Kits is a vocal specialist without text-to-song generation or native music-video output.checked 20 Oct 2026
- Limit: output artifacts
- The AI Dude reports inconsistent, sometimes robotic or artifact-heavy output on difficult source vocals.checked 20 Oct 2026
The company
- Company
- The site identifies Arpeggi Labs Inc. as the copyright holder; the company name on its privacy policy is Arpeggi, Inc.checked 4 Oct 2026
- Company facts
- LinkedIn lists Kits.AI as founded in 2021, headquartered in San Francisco, and employing 11–50 people.checked 20 Oct 2026
- Headquarters
- San Francisco, California, United Stateschecked 28 Sep 2026
Where it runs
- Desktop app
- Kits offers a Windows desktop download and supports drag-and-drop export into a DAW or music-production software.checked 20 Oct 2026
Money
- Limit: billing complaints
- Trustpilot reviewers repeatedly report unexpected charges, difficulty cancelling or pausing subscriptions, and losing paid download credits after cancellation.checked 20 Oct 2026
The full review of Kits AI
Kits AI suits musicians, producers and developers who need voice conversion alongside practical vocal and audio-processing tools. Its breadth is a strength, but the free plan’s zero voice slots and zero download minutes make it a limited way to work with custom voices or export results.
Overview
Kits AI combines tools for making and shaping voices with music-production features such as vocal enhancement, stem splitting, mastering, harmonies, pitch editing and key and BPM detection. That combination makes it more than a voice-cover tool: it can fit into a broader vocal workflow, while its browser, Windows desktop app and API offer different ways to use it.
One important trade-off is how submitted and generated audio is handled. Kits says it may use both to improve its services, including related AI and machine-learning models. That matters for anyone working with audio they do not want used for service improvement.
Key features
Voice and vocal tools
Voice cloning and changing sit alongside vocal enhancement and removal, stem splitting, AI mastering, harmonies and pitch editing. The range is useful for producers who want conversion and cleanup in one toolkit, rather than a single-purpose voice changer. Kits also offers key and BPM detection, which helps round out the set for music work.
The tools page describes a library of more than 100 royalty-free artists for AI voice changing. Kits says the voices in its models are licensed and sourced from artists, who benefit through revenue sharing. Those commitments may matter to creators choosing voice models for projects; commercial use is supported.
Desktop and API workflows
The Windows desktop app supports dragging audio into a DAW or other music-production software and auditioning multiple vocal models at once. That is a practical advantage for comparing voices within a production workflow. Browser access is also available, so the desktop app is not the only way to use Kits AI.
The API provides voice conversion, voice blending and vocal removal for application integrations. It is not a text-to-speech API: Kits deprecated that functionality from the API as of September 22, 2025. Developers seeking text-to-speech should look elsewhere.
Pricing
The free plan costs nothing, billed per month. It includes 15 conversion minutes, voice designer/blender and Kits generative vocals, but provides 0 voice slots and 0 download minutes. It is suitable for trying the included tools, not for maintaining custom voice slots or downloading converted audio.
Starter costs $10 a month, billed monthly. It adds unlimited conversions, 2 voice slots, 15 download minutes, professional voice cloning, advanced settings and the choir tool. This is the entry point for users who need custom voice cloning, but the modest download allowance may constrain regular exporting.
Producer costs $30 a month, billed monthly. It includes unlimited conversions and voice slots, 60 download minutes, and everything in Starter. It suits heavier users who need more room for voice models and downloads, though the download quota still applies.
Professional costs $60 a month, billed monthly. It includes everything in Producer and unlimited download minutes, subject to fair use. That makes it the clearest fit for ongoing output where download limits would otherwise get in the way. All three paid plans offer unlimited conversions; the meaningful tier differences are voice slots and download limits.
After cancellation, additional features remain available until the billing period ends, but custom AI voice clones are locked and custom voices are frozen until subscription renewal. Factor that into any workflow built around saved custom voices.
Platforms
Kits AI is available on the web and Windows, with API access for integrations. The desktop app is specifically offered for Windows; the API’s documented endpoints cover voice conversion, blending and vocal removal.
Who it's for
Kits AI is a strong candidate for vocal producers who want voice conversion, cloning and audio-processing tools together, especially if they work in a DAW or need to audition several models. Developers can consider it for the supported API endpoints, provided they do not need text-to-speech through that API. It is a weaker fit for users who require generous downloads on a free plan, or who are uncomfortable with submitted and generated audio potentially being used for service improvement.
Pros and cons
- Pro: Voice tools and music-processing features share one product, covering conversion, cloning, vocal removal, mastering and more.
- Pro: The Windows app supports DAW drag-and-drop and simultaneous model auditioning, useful for comparing voices in production.
- Pro: Paid plans keep conversions unlimited, while higher tiers expand voice slots and download capacity.
- Con: The free plan has no voice slots and no download minutes, limiting its usefulness for custom-voice export workflows.
- Con: API text-to-speech was deprecated; the API is focused on conversion, blending and removal.
- Con: Audio submitted to or generated by the service may be used to improve its services, which may not suit sensitive projects.
Alternatives
For a focused comparison of this category, browse AI Song Cover Generators, AI Voice Conversion Software, AI Singing Voice Generators, Voice Cloning Software and AI Voice Cloning Software.
- FineShare Singify is a web-based freemium option; consider it if you want a browser-based alternative.
- VoiceDub AI Cover Generator offers free vocal removal and vocoder tools without sign-up or watermark, so it may suit a narrower, low-cost vocal-removal need.
- TwoShot AI Cover Generator is a web-based freemium option with free signup credits and a Pro plan at $9.50 a month; consider it if its credit-based plan better fits your needs.
- CoverFlows has a free plan with 10 conversion minutes per month and unlimited WAV or MP3 export, making it worth considering if free exports matter more than Kits AI’s broader tools.
- Musicful offers a freemium service across Android, iOS, web and API.
- AI Song Creator has a free plan limited to two songs and one music generation per month, plus a free trial; consider it for a limited song-creation allowance.
- BeMusic AI Cover is a paid option with a free plan and broad platform support, including mobile, desktop and web.
- HitPaw AI Song Cover is a freemium alternative for macOS and Windows.
Verdict
Choose Kits AI if you want voice conversion and cloning alongside a substantial set of vocal and music-processing tools, especially in a Windows DAW workflow. The main reasons to look elsewhere are the free plan’s lack of voice slots and downloads, the API’s lack of text-to-speech, or the possibility that submitted and generated audio may help improve the service.
Alternatives to Kits AI
- 1

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Audjust AI Song Cover Generator
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