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Head-to-head · AI Voice Conversion Software

Altered Studio vs Applio

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Altered Studio #1 in AI Voice Conversion Software 9.4/10 Free plan · 7-day trial Free planFree trial✓ 0 of 2 features Visit Altered Studio
Applio #2 in AI Voice Conversion Software 9.2/10 Free plan Free plan✓ 0 of 2 features Visit Applio

Altered Studio leads on 0 checks, Applio on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAltered Studio · 9.4/10
  • Free planboth
  • Free trialonly Altered Studio

Altered Studio scores higher on our rubric for ai voice conversion software: 9.4 against 9.2 out of 10; our editors rank them #1 and #2.

Altered Studio is the better fit for all-around real-time voice conversion. Applio is the better fit for free open-source creators and developers.

  • Altered Studio fits best

    All-around real-time voice conversion

  • Applio fits best

    Free open-source creators and developers

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Altered Studio 9.4/10 Visit ↗ Applio 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in AI Voice Conversion Software #2 in AI Voice Conversion Software
Best for All-around real-time voice conversion Free open-source creators and developers
Pricing model Free plan + paid Free
Starting price $30/mo Free plan
Free plan ✓ ✓
Free trial 7 days —
Deployment Cloud, Desktop Desktop, Self-hosted
Platforms Web, Windows, macOS Windows, macOS, Linux
Features Altered Studio 0/2 · Applio 0/2
Voice cloning Not checked yet Not checked yet
API access Not checked yet Not checked yet
Specs
Supported languages Not checked yet Not checked yet
Audio upload formats Not checked yet Not checked yet
Export formats Not checked yet Not checked yet
Conversion limit Not checked yet Not checked yet
Our review
Pros
  • Supports speech-to-speech and performance-to-performance voice morphing
  • Includes real-time transformation and virtual microphone output
  • Works with web, Windows, macOS, and major creator platforms
  • Real-time and uploaded-audio voice conversion
  • Custom model training and voice model blending
  • Batch inference, exports, TTS, and CLI automation
Cons
  • Free plan limits voice morphing to 3 minutes per month
  • Creator and Professional prices require annual billing
  • Real-time features are documented in a related Real-Time interface
  • Lacks integrations with other software
  • Conversion and TTS workflows depend on voice models
  • CLI and self-hosting options may favor technical users
Our verdict

Altered Studio is a voice content creation platform for podcasters, game studios, eLearning teams, and other media producers. It combines speech-to-speech voice morphing, performance-to-performance morphing, voice cloning, text-to-speech…

Read the review →

Applio is an open-source voice conversion suite for creators and developers who want local, self-hosted, or cross-platform workflows. It converts uploaded or recorded audio with voice models and supports real-time conversion from a live…

Read the review →
  1. Altered StudioAI Voice Conversion Software 9.4Free plan · 7-day trial
  2. ApplioAI Voice Conversion Software 9.2Free plan

Strengths and trade-offs

  • Altered Studio — where it wins

    • Supports speech-to-speech and performance-to-performance voice morphing
    • Includes real-time transformation and virtual microphone output
    • Works with web, Windows, macOS, and major creator platforms

    Where it doesn't

    • Free plan limits voice morphing to 3 minutes per month
    • Creator and Professional prices require annual billing
    • Real-time features are documented in a related Real-Time interface
  • Applio — where it wins

    • Real-time and uploaded-audio voice conversion
    • Custom model training and voice model blending
    • Batch inference, exports, TTS, and CLI automation

    Where it doesn't

    • Lacks integrations with other software
    • Conversion and TTS workflows depend on voice models
    • CLI and self-hosting options may favor technical users

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update