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Altered

Real-time voice morphing for calls and games, plus studio-grade speech-to-speech editing for post-production – including Euphonia, a voice-restoration mode for dysphonia support.

3.9 Audio
3.9 Good 3.9

Bottom line: Altered is a capable audio tool, best known for speech-to-speech voice morphing for post-production (Studio).

Genuine assistive-technology mode (Euphonia) alongside the entertainment features Real-time voice changing raises identity-transparency considerations on calls
Reviewed by Challenging Voice Editorial · Updated Aug 2026 How we rate
PricingFree Trial
Free planNo
CompanyAltered
PlatformsMac, Web, Windows
Best forAudio
Visits8
Last reviewedAug 2026
UpdatedAug 2026
Ask AI about Altered ChatGPT Claude Perplexity

Overview

Altered offers two products: Altered Studio for post-production speech-to-speech voice morphing, editing, cloning and text-to-speech within existing audio or video files, and Altered Real-Time Pro for low-latency live voice transformation on calls and in games, including Voice Skins for gamers and Accent Translation for call centers. Both preserve the tempo and inflection of the original delivery rather than flattening it into a generic synthetic voice.

Euphonia, a dedicated voice-restoration mode for people with dysphonia, is the detail that separates this from a purely entertainment-and-productivity voice tool – genuine assistive technology for a real speech condition, built into the same platform as the gaming and call-center features rather than treated as an unrelated afterthought. Maintaining natural tempo and inflection during real-time transformation, not just changing pitch, is also the harder and more valuable technical problem in voice AI.

Real-time voice transformation for calls raises the same identity-verification questions as any voice-changing technology – worth using transparently rather than to impersonate someone in a context where the other party reasonably expects to know who they’re speaking with. Specific pricing wasn’t listed on the page checked beyond a free trial for Studio.

Key features

  • Speech-to-speech voice morphing for post-production (Studio)
  • Low-latency real-time voice transformation for calls and games
  • Euphonia: voice restoration mode for dysphonia support
  • Accent Translation for call centers
  • Preserves original tempo and inflection during transformation

Screenshots & demo

Altered screenshot 1

Pricing

Visit the Altered website for current plans and pricing.

  • Pricing modelFree Trial
  • Starting priceCustom
  • Free planNo
Visit Altered

Pricing is provided as a guide. Check the official site for the latest plans.

Pros & cons

Pros

  • Genuine assistive-technology mode (Euphonia) alongside the entertainment features
  • Preserves natural tempo and inflection, not just pitch-shifted output
  • Covers both post-production editing and live real-time use in one company

Cons

  • Real-time voice changing raises identity-transparency considerations on calls
  • Specific pricing wasn't listed on the page checked
  • Real-Time Pro requires a download, not fully browser-based

How it compares

ToolRatingFreeFromBest known for
Altered (this tool)3.9NoSpeech-to-speech voice morphing for post-production (Studio)
Krisp4.6Yes$8/moReal-time noise and echo cancellation during live calls
Speechify4.6Yes$11/moReads any text, PDF, or webpage aloud
iZotope RX4.6No$99/moSpectral repair with visual audio editing

Our verdict

3.9 / 5 3.9

Altered is a solid audio tool, best known for speech-to-speech voice morphing for post-production (Studio).

What makes it different: Altered stands out for speech-to-speech voice morphing for post-production (Studio).

How we score it
Overall 3.9
Value for money 4.2
Feature depth 4.9
Popularity 3.7
Best for PodcastersMusiciansVideo editorsCreators

Frequently asked questions

What is Altered?
Altered is an audio tool listed in the Challenging Voice directory. Real-time voice morphing for calls and games, plus studio-grade speech-to-speech editing for post-production – including Euphonia, a voice-restoration mode for dysphonia support.
Is Altered free?
Altered does not offer a free plan.
What are the best Altered alternatives?
Popular alternatives to Altered include Soundverse, Lyrics To Song AI, and EchoFox. Browse them all in the Audio category.
Is Altered any good?
Altered scores 3.9 out of 5 based on our editorial review.

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