Shortlist by what you need
Start here if you know why you are leaving Altered.
Want the closest match?
Deepdub AIMost similar to Altered in what it does, its category and its price.
Visit (opens Deepdub AI in a new tab)Need a free plan?
VoicemodHas a free plan, rated 4.3 out of 5. Altered has none.
Visit (opens Voicemod in a new tab)Want the lowest price?
SpeechmaticsFrom $0.13/mo, the lowest starting price here.
Visit (opens Speechmatics in a new tab)Want the best rated?
Resemble AIRated 4.3 out of 5 in our review, against 3.9 for Altered.
Visit (opens Resemble AI in a new tab)
At a glance
Green means better than Altered, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 3.9 | Not listed | No | 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. | ||
| 3.5−0.4 | Not listed | No | A voice performance on demand, not just text-to-speech - Deepdub Phantom X 3.2 delivers expressive, ~125ms-latency speech and voice cloning across 100+ languages. | vs Altered | |
| 4.2+0.3 | Not listed | No | Converts whispered speech into a clear natural voice in real time, for people with voice disorders. | vs Altered | |
| 3.9Same | $0.13/mo | YesAltered has none | Enterprise speech API platform for speech-to-text and voice agents in 55+ languages, with $100 in free usage and no card required. | vs Altered | |
| 4.3+0.4 | $2/mo | YesAltered has none | Live voice changing for gaming, running since 2014 | vs Altered | |
| 4.0+0.1 | $5/mo | YesAltered has none | Real-time character voice conversion for streamers | vs Altered | |
| 3.7−0.2 | $11/mo | No | AI voice, avatar and video platform with text to speech, voice cloning, video translation and transcription on credit plans. | vs Altered | |
| 4.3+0.4 | $30/mo | YesAltered has none | A voice cloning company that also builds deepfake detection | vs Altered | |
| 3.7−0.2 | Not listed | No | Sub-150ms voice cloning built on XTTS-v2 and Wav2Vec 2.0 - benchmarked on naturalness (MOS) scoring, with voice-identity fraud protection and likeness-rights contract tools. | vs Altered |
The alternatives in detail
In order of how closely each one matches Altered.

Deepdub AI
3.5Not listed
vs Altered−0.4
A voice performance on demand, not just text-to-speech - Deepdub Phantom X 3.2 delivers expressive, ~125ms-latency speech and voice cloning across 100+ languages.
- Deepdub Phantom X 3.2 model, tied for #1 in expressivity benchmarks
- ~125ms end-to-end real-time voice latency
- Voice cloning and speech-to-speech translation
Real-time latency figures (~125ms) are unusually specific for a voice AI product
Enterprise pricing isn't disclosed upfront

Whispp
4.2Not listed
vs Altered+0.3
Converts whispered speech into a clear natural voice in real time, for people with voice disorders.
- Whispered speech converted to a clear voice in real time
- Preserves the speaker's own intonation rather than re-reading text
- Built for vocal cord damage, laryngectomy, stuttering and ALS
Restores conversational speech, not just recorded messages
Pricing requires direct contact

Speechmatics
3.9$0.13/mo
vs AlteredSameFree plan
Enterprise speech API platform for speech-to-text and voice agents in 55+ languages, with $100 in free usage and no card required.
- Speech-to-text in 55+ languages and dialects
- Low-latency mode built for real-time voice agents
- English text-to-speech for voice-agent responses
A meaningful free credit to test the API before paying
Enterprise pricing is not public and needs a sales conversation

Voicemod
4.3$2/mo
vs Altered+0.4Free plan
Live voice changing for gaming, running since 2014.
- Real-time voice changing for games and streams
- Built-in soundboard for meme sounds and clips
- Wide compatibility across games and chat platforms
Long track record specifically in gaming and streaming voice changing
Built for entertainment, not professional or business voice needs

Voice.ai
4.0$5/mo
vs Altered+0.1Free plan
Real-time character voice conversion for streamers.
- Real-time voice conversion during live calls and streams
- Realistic character and celebrity-style voice models
- Discord and game voice chat integration
Strong focus on realistic-sounding character conversion
Voice model realism varies by which character or voice is selected

DupDub
3.7$11/mo
vs Altered−0.2
AI voice, avatar and video platform with text to speech, voice cloning, video translation and transcription on credit plans.
- Text to speech with 700+ voices in 90+ languages and accents
- AI avatars from a photo, plus instant cloned avatars
- Voice cloning across languages
A wide range of audio, video and text tools in one credit pool
Voice and avatar cloning rest on a policy statement rather than a described consent check

Resemble AI
4.3$30/mo
vs Altered+0.4Free plan
A voice cloning company that also builds deepfake detection.
- Real-time voice conversion and cloning
- Localize feature for AI dubbing
- Emotion control over generated speech
Rare combination of voice cloning and deepfake detection from the same vendor
Consumer-facing interface is less polished than API-first competitors' back end

CloneMyVoice
3.7Not listed
vs Altered−0.2
Sub-150ms voice cloning built on XTTS-v2 and Wav2Vec 2.0 - benchmarked on naturalness (MOS) scoring, with voice-identity fraud protection and likeness-rights contract tools.
- Voice cloning built on XTTS-v2 and Wav2Vec 2.0 models
- Sub-150ms latency target for real-time inference
- MOS naturalness scoring and published technical benchmarks
Published technical benchmarks (latency, MOS scoring) signal genuine engineering depth
Pricing isn't disclosed on the page reviewed
FAQ
Questions people ask
Is Altered free?
Altered does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Altered?
Voicemod is the highest-rated alternative here with a free plan (4.3 out of 5). Other free options: Resemble AI, Voice.ai, Speechmatics.
What is the cheapest alternative to Altered?
Among paid plans, Speechmatics has the lowest starting price (from $0.13/mo). If you need it free, start with Voicemod.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
