Recommended Free Tools
For singing voice changes on a Xiaomi, Redmi or POCO phone, start with a browser tool: Kits AI or Audimee are the clearest vocal-conversion choices. Use EasyAIVoice when you need RVC singing conversion and private model storage. For free local control, use Applio or RVC WebUI on a computer, then move the finished file to your phone.
What A Singing Voice Changer Must Preserve
A singing conversion workflow has to follow melody, timing, pronunciation, vibrato and intensity. A speech-only changer can keep words understandable while damaging sustained notes, breaths or pitch movement. Record a clean guide vocal, keep the instrumental separate, and check the result phrase by phrase.
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Eight Suitable Tools Compared
| Tool | Singing-relevant workflow | Access and listed price | Key limit |
|---|---|---|---|
| Kits AI | Voice conversion, cloning, blending, separation and mastering | Web, Windows and API; Free, Starter from $10/month | Free plan has 15 conversion minutes and no download minutes; artist-model outputs may need approval for commercial release |
| Audimee | Vocal conversion with pitch editing, isolation, stem splitting and up to five harmony tracks | Web; Free introduction, paid from $9/month | Free access is a one-off 15 minutes; Starter and Pro cap monthly conversion time |
| EasyAIVoice | RVC v2 conversion for speech and singing, pitch matching, model import and song separation | Web; Starter $49/month, Advanced $99/month | Starter files are limited to 15 minutes and Advanced files to 30 minutes |
| Applio | Real-time or uploaded-audio conversion, custom model training, blending and batch inference | Windows, macOS and Linux desktop or self-hosted; Free | Results depend on the selected voice model; the workflow may suit technical users |
| RVC WebUI | Real-time and offline conversion with training, model fusion, pitch controls and batch processing | Self-hosted desktop; Free | Local installation and hardware-specific dependencies are required |
| ACE Studio | AI singing from MIDI or lyrics, custom singing-voice cloning, voice changing and vocal-to-MIDI | Windows and macOS desktop; paid Artist and Artist Pro plans | No free plan; licensing has voice- and feature-specific exceptions |
| Altered Studio | Performance-to-performance and speech-to-speech voice morphing, including real-time transformation | Web, Windows and macOS; Free, Creator from $30/month with annual billing | Free morphing is 3 minutes/month and uses an attribution license; real-time details are documented in its related Real-Time interface |
| LyricToMelody AI | Melody and sung-vocal drafts from lyrics or MIDI, custom singing-voice training and stem export | Web; Free Starter, paid from $10/month annually | Starter projects last 7 days; commercial rights are included on paid plans; it is a singing workspace rather than an established live changer |
Phone-First Workflow On Xiaomi, Redmi And POCO
- Record a dry guide vocal in a quiet room. Keep the phone microphone at a consistent distance and avoid reverb, music and background noise.
- Export the recording as the format accepted by the chosen service. If the service does not state supported upload formats, check its site before recording a long take.
- Open the web tool in your phone browser when using Kits AI, Audimee, EasyAIVoice, Altered Studio or LyricToMelody AI. Upload the guide vocal, then select or import a voice model.
- Set pitch matching or conversion controls when the tool provides them. Start with one verse, listen for clipped consonants and unstable held notes, then adjust before processing the full song.
- Download the converted vocal or stems. Kits AI’s Free plan has no download minutes, and Audimee’s Free introduction does not reset, so verify your allowance before rendering.
- Mix the converted vocal with the instrumental in your preferred mobile or desktop editor. Keep the original guide vocal muted but available for timing checks.
Tool-Specific Singing Workflows
Kits AI For A Browser-Based Vocal Swap
Upload a short, clean singing phrase, choose a voice-conversion model, and compare the output against the guide vocal. Use separation before conversion when your source is a completed song and the vocal is not already isolated. The Free plan provides 15 conversion minutes, one voice slot and zero download minutes; Starter begins at $10/month and adds unlimited conversions, two voice slots and 15 download minutes. Artist-model output may require approval for commercial release, so check the model’s terms before publishing.
Audimee For Harmonies And Pitch Cleanup
Upload an isolated vocal, convert it to a selected voice, then use pitch editing and the harmony maker for up to five harmony tracks. Its Free access is a one-off 15-minute introduction with 11 royalty-free voices and 31 instruments; paid plans start at $9/month. The service does not establish commercial licensing in the supplied details, so check its current terms before release.
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EasyAIVoice For RVC Singing Conversion
Import an RVC model, upload the vocal, use pitch matching and adjustment, and export WAV or MP3. Song separation can prepare a vocal before conversion. Starter costs $49/month with a 15 GB cloud library and files up to 15 minutes; Advanced costs $99/month with 50 GB and files up to 30 minutes. Licensing terms are not established here; confirm them before sharing or monetising the result.
Applio For Free Model Training
Install Applio on Windows, macOS or Linux, prepare authorised reference vocals, train or select a model, and run real-time or uploaded-audio conversion. Use batch inference for multiple takes and export the processed files. Applio is free, but its results depend on the model and its self-hosted workflow can be technical. Obtain consent for every reference voice and check the project’s current terms for publication rights.
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RVC WebUI For Deep Local Control
Install the self-hosted WebUI and its required dependencies, load or train a voice model, set pitch controls, and run offline conversion. Use model fusion when you have compatible models, then export WAV, FLAC, MP3 or M4A. RVC WebUI is free, but installation and hardware requirements vary; check the project documentation before setup. Use only voices you are authorised to copy and verify terms for any release.
ACE Studio For MIDI-Guided Singing
Enter lyrics or MIDI, select a singing voice, and render a vocal. For a voice-change style result, use its custom singing-voice cloning or voice-changer cloning, then render separate tracks for mixing. ACE Studio runs on Windows and macOS, has no free plan, and its Artist and Artist Pro licensing includes voice- and feature-specific exceptions. Read the applicable voice licence and get consent for any cloned singer.
The Tool Desk
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- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Altered Studio For Performance Morphing
Open the web or desktop studio, provide a performed vocal, and use performance-to-performance morphing to retain the delivery while changing the voice. Its Free plan allows 3 minutes of voice morphing per month, includes 10,000 AI tokens and uses an attribution licence; Creator starts at $30/month with annual billing and allows 60 minutes per month. Confirm whether the related Real-Time interface fits your workflow, and follow the attribution and voice-consent terms.
LyricToMelody AI For A New Sung Draft
Paste lyrics or import MIDI, generate a sung vocal draft, and train a custom singing voice from uploaded or recorded vocals when you need a different singer identity. Export audio, MIDI and separate stems for a DAW. Starter begins with 20 credits and retains projects for 7 days; paid plans start at $10/month annually, and commercial rights are included on paid plans. Use only recordings you have permission to train on.
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- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
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Consent, Covers And Release Checks
- Use your own voice or obtain permission before training, cloning or converting another person’s singing.
- Check each selected model’s terms before releasing a cover, fan project or commercial song. The supplied details specifically flag attribution for Altered Studio, approval for some Kits AI artist models, and plan-based commercial rights for LyricToMelody AI.
- Keep the original vocal and project files so you can correct timing, pitch or consent issues before publishing.
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