DupDub vs Altered: Which AI Voice Generator Wins in 2025?

by | Last updated Nov 20, 2025

Winner
DupDub logo
4.5
  • AI Avatar
  • AI Voiceover
  • Translation
  • Text to Speech
  • Video Editing
  • Free Plan Available
  • Paid Plans from $11/month
Runner Up
Altered logo
3.5
  • Voice Cloning
  • Voice Training
  • Voice Morphing
  • Text-to-Speech
  • Voice Editor
  • Free Plan Available
  • Paid Plans from $30/month
DupDub vs Altered

Want to make awesome videos with realistic AI voices?

You’ve probably heard of DupDub and Altered, two popular AI voice generators.

But which one is better? 

In this post, we’ll dive deep and compare DupDub vs Altered. 

We’ll look at DupDub vs Altered features, ease of use, and pricing to help you decide which is right.

You’ll know exactly which tool fits your needs and budget by the end.

Let’s get started!

Overview

To give you the most accurate comparison, we’ve spent weeks testing both DupDub and Altered.

We’ve explored their features, experimented with their voice cloning capabilities, and even used them to create content for our projects. 

This hands-on experience gives us a unique perspective to help you choose the right tool.

dupdub CTA
4.5out of 5

Want to create engaging videos with AI avatars with realistic voices? Dupdub makes it easy and affordable! Explore Dupdub today and use it’s advanced features now.

Pricing: It has a free plan. The premium plan starts at $11.00/month.

Key Features:

  • AI video avatars
  • Easy-to-use video editor
  • AI image generation
Altered Logo
3.5out of 5

Ready to unlock the power of voice cloning? Head over to Altered’s website and start creating stunning audio with AI voices today with powerful features!

Pricing: It has a free plan. The premium plan starts at $30.00/month.

Key Features:

  • AI voice cloning
  • Real-time voice changing
  • Audio transcription

What is DupDub?

Ever wished you could have Morgan Freeman narrate your videos?

Well, with DupDub, you practically can! DupDub is an AI voice generator that lets you create realistic voiceovers from text.

It’s super easy to use. You just type in your script, choose a voice, and boom – you have a high-quality voiceover.

They even have a feature that lets you clone your own voice! Pretty cool, right?

Also, explore our favourite DupDub alternatives

Dubdup Introduction

Our Take

dupdub CTA

With over 500+ AI voices and a library of customizable avatars, DupDub offers endless creative possibilities. Generate AI videos, add realistic voiceovers, and easily transform your text into speech. Explore it now!

Key Benefits

  • AI-powered dubbing: Create dubbed versions of videos in different languages.
  • lip-sync accuracy: Voiceovers match the lip movements of the original video.
  • Easy to use: Simple interface for creating dubbed videos.
  • Affordable pricing: Offers flexible plans for different needs.

Pricing

All the plans will be billed annually.

  • Free: $0/month
  • Personal: $11/month
  • Professional: $30/month
  • Ultimate: $110/month
Dubdup Pricing

Pros

  • Makes video creation easy.
  • Saves me time and effort.
  • Offers realistic voice cloning.
  • Has a user-friendly interface.
  • Provides good value for money.

Cons

  • Can be expensive for beginners.
  • Video customization is limited.
  • Free trial is quite restrictive.
  • Customer support can be slow.

What is Altered?

Want to sound like a robot or a famous celebrity? Altered is your go-to tool!

Altered is an AI voice generator and voice changer that’s known for its fun and creative features.

It’s super popular with gamers and YouTubers. You can use it to create voiceovers for videos, podcasts, and even live streams.

They also have a bunch of cool audio effects you can play with.

Also, explore our favourite Altered alternatives

Altered Homepage

Our Take

Altered Logo

Ready to unlock the power of voice cloning? Head over to Altered’s website and start creating stunning audio with AI voices today!

Key Benefits

  • AI voice cloning: Altered can clone your voice or create a custom voice using their impressive AI technology.
  • Huge voice library: Choose from over 100+ unique and expressive voices.
  • Easy integration: Altered works seamlessly with other apps and platforms like Discord and Zoom.

Pricing

All the plans will be billed annually.

  • Free: $0/month.
  • Creator: $30/month.
  • Professional: $90/month.
Altered pricing

Pros

  • Very affordable pricing plans.
  • Fun and easy to use.
  • Realistic voice cloning feature.
  • Great for content creation.
  • Offers a free trial.

Cons

  • The free version is minimal.
  • It can be resource-intensive.
  • Occasional audio glitches.
  • Support can be slow.

Feature Comparison

DupDub is an all in one platform and game changer for video content creation, focused on ai avatar and video editing tools.

Altered AI specializes in advanced voice morphing and voice content creation platform technology.

This review explores the core features and user friendly interface of both to see how they differ in producing high quality videos and achieving realistic speech through multiple voice ai technologies.

1. Primary Function and Technology Focus

  • DupDub: DupDub’s AI is built for visual content production. It features robust video editing and ai powered tools within a user friendly interface, making it easy for users to create content and generate finished videos. It uses multiple voice options for voiceover projects.
  • Altered AI: Altered AI focuses on advanced voice ai technology and multiple voice ai technologies centered on voice morphing. It acts as a next generation audio editor for voice creators and voice editing, often utilizing real time voice changer features.

2. Avatar Creation and Visual Assets

  • DupDub: Excels in visual assets, featuring dupdub’s ai avatar feature. It allows users to create ai avatars and talking avatars from talking photos, providing a unique way to generate high quality videos. It includes specialized video editing tools and tools for screen recordings.
  • Altered AI: Altered AI offers no avatar creation or visual video editing tools. Its focus is solely on the audio content layer, working on voice recordings and generated speech to refine the vocal identity for audio files.
Youtube Video

3. Voice Cloning and Identity

  • DupDub: Provides strong ai voice cloning technology, enabling the creation of a cloned voice for consistent branding across audio files. This avatar feature combined with voice cloning helps bypass hiring voice artists and expensive voice artists fees.
  • Altered AI: Altered AI specializes in voice morphing and rapid voice clone technology, which can transform one voice performance into a different voice. This focus on altering or replacing the vocal identity is a core features for voice creators.

4. Emotional and Performance Control

  • Altered AI: Its advanced voice ai technology focuses on refining voice performances and emotional delivery. The altered studio provides tools for voice puppeteering and detailed voice editing controls, essential for audio storytelling and giving a professional touch.
  • DupDub: Offers multiple emotions and dupdub’s ai voiceovers with natural sounding voiceovers. While its output is highly emotional and realistic, the control over minute inflection and voice morphing is not as deep as Altered AI’s specialized suite.

5. Post-Production and Audio Enhancement

  • Altered AI: Altered AI’s suite includes ai voice cleaner and background noise reduction tools within its next generation audio editor. This is crucial for audio storytelling and cleaning up raw voice recordings with advanced voice techniques.
  • DupDub: The dupdub lab includes professional grade editing tools and background music options, along with sound effects. This helps creators save time by centralizing the creation of high quality voice content needed for producing high quality videos.

6. Use Case and Target Market

  • Altered AI: Targets media professionals, including podcasters, game developers, and voice creators, who need precise voice editing and voice morphing for characters in media production or audio storytelling. It provides an extensive voice library for its portfolio tts voices.
  • DupDub: Targets general marketers, educators, and video creators who need an all in one platform to quickly generate high quality videos for marketing pitches and promotional content. DupDub makes the process a game changer for creating engaging content.

7. Multilingual and Localization Features

  • DupDub: Is designed for international content, supporting an extensive range of languages and accents. It features full video translation and subtitle translation capabilities, allowing users to create ai avatars that speak in different languages, including an english video.
  • Altered AI: While it offers a strong portfolio tts voices library and natural sounding ai voices, its primary focus is on English-language character voice morphing and voice performances, often requiring a more specialized voice artists approach.
Youtube Video

8. Workflow and Interface

  • DupDub: Features an intuitive interface and user friendly design within the dupdub lab. It integrates ai writing and text to speech feature into one workflow, minimizing the need to jump between apps. The dupdub review notes its all in one platform approach.
  • Altered AI: The altered studio is a specialized, detailed online audio editor with deep controls. While also having a user friendly interface, its complexity is geared toward fine-tuning the voice performance and precise voice editing required for media production.

9. Price and Accessibility

  • Altered AI: Offers a free trial and various paid tiers. Its core value proposition is enabling voice creators to produce high-quality audio that rivals human talent without the cost of hiring voice artists for every session.
  • DupDub: DupDub makes its core features accessible, including the text to speech feature and ai voice cloning, often praised for its ease of use and ability to save time in voiceover projects.

10. Supplemental Features and Efficiency

  • DupDub: The official dupdub website highlights dupdub’s ai integrated ai writing tools to generate compelling content, saving creators save time. It’s built for producing high quality videos quickly and sharing stories.
  • Altered AI: Altered AI focuses on specific advanced voice ai technology like voice chats and real time voice changer capabilities, offering tools that dramatically reduce reliance on human talent for voice recordings and transformation.

What to Look for in a Text-to-Speech Generator?

  • Natural-Sounding Voices: The most important factor is how natural the AI voices sound. Listen to samples and choose a generator that offers realistic and expressive voices.
  • Customization Options: Look for features that allow you to customize the voice, such as adjusting speed, pitch, and tone. This will help you create voiceovers that fit your specific needs.
  • Ease of Use: Choose a text-to-speech tool that’s easy to navigate and use, especially if you’re a beginner.
  • Language Support: If you need to create content in multiple languages, ensure the generator supports the languages you need.
  • Pricing: Consider your budget and choose a plan that offers the features you need at a price you can afford.
  • Integrations: If you use specific video editing software or platforms, check if the generator integrates with those tools.
  • Customer Support: Good customer support can be invaluable if you encounter any issues.
  • Specific Needs: Consider your needs and choose a generator that excels in those areas. For example, if voice cloning is important, prioritize a tool with a strong feature.

Final Verdict

So, which AI voice generator wins? For us, it’s DupDub!

It has more realistic human-like voices and better voice cloning. You get more voice options and better control over how your AI speech sounds.

DupDub is a bit more expensive, but it’s worth it for the extra quality.

But honestly, both DupDub and Altered are great AI tools.

They both let you create AI videos with awesome voiceovers. You can even use them to make AI avatars talk!

If you’re looking for a more affordable option with fun features, Altered is still a solid choice.

Ultimately, the best choice depends on your needs and budget.

We’ve given you all the info, so now it’s up to you! We hope this guide helps you find the perfect voice for your next project.

More of Dupdub

Here’s a brief comparison of Dupdub against the alternatives, highlighting their standout features:

  • Dupdub vs Speechify: Excels in accessibility and speed reading with natural voices, differentiating from Dupdub’s talking avatar and video creation.
  • Dupdub vs Murf: Offers diverse, natural voices with strong customization for professional voiceovers, unlike Dupdub’s focus on talking avatars.
  • Dupdub vs Descript: Uniquely edits audio/video via text and offers Overdub voice cloning, a different approach than Dupdub’s avatar-centric features.
  • Dupdub vs Play ht: Provides affordable, high-quality AI voice generation with versatile voice cloning, unlike Dupdub’s talking avatar and multilingual focus.
  • Dupdub vs ElevenLabs: Generates highly natural AI voices with advanced cloning and emotional range, setting it apart from Dupdub’s avatar creation.
  • Dupdub vs Lovo: Offers emotionally expressive AI voices with extensive multilingual support and voice cloning, beyond Dupdub’s talking avatar capabilities.
  • Dupdub vs Podcastle: Provides AI-powered recording and editing specifically for podcasts, a different focus than Dupdub’s video and avatar creation.
  • Dupdub vs Listnr: Offers podcast hosting and AI voice cloning alongside natural voiceovers, while Dupdub focuses on talking avatars with multilingual support.
  • Dupdub vs WellSaid Labs: Delivers consistently professional-grade AI voices with detailed customization, contrasting with Dupdub’s talking avatar features.
  • Dupdub vs Revoicer: Advanced AI voice cloning and customization with SSML support, going beyond Dupdub’s avatar-based voice generation.
  • Dupdub vs ReadSpeaker: Focuses on enterprise-level accessibility with natural text-to-speech, while Dupdub centers on talking avatars and video.
  • Dupdub vs NaturalReader: Supports more languages and offers OCR functionality, distinguishing it from Dupdub’s emphasis on talking avatars.
  • Dupdub vs Altered: Offers innovative AI voice cloning and real-time voice changing, a unique feature set compared to Dupdub’s talking avatar focus.
  • Dupdub vs Speechelo: Generates natural-sounding AI voices for marketing, while Dupdub integrates voice with talking avatars and video creation.
  • Dupdub vs TTSOpenAI: Achieves high human-like voice clarity with customizable pronunciation, differing from Dupdub’s focus on animated avatars.
  • Dupdub vs Hume AI: Specializes in analyzing emotion in voice, video, and text, a distinct capability from Dupdub’s talking avatar generation.

More of Altered

Here’s a brief comparison of Altered against the listed alternatives, highlighting their standout features:

  • Altered vs Speechify: Excels in accessibility and speed for text-to-speech, unlike Altered’s focus on voice manipulation.
  • Altered vs Murf: Offers diverse voices with customization, while Altered specializes in voice cloning and morphing.
  • Altered vs Descript: Integrates audio/video editing with voice cloning, a broader scope than Altered’s voice alteration capabilities.
  • Altered vs Play ht: Provides a wide range of natural-sounding voices, while Altered focuses on voice cloning and real-time changing.
  • Altered vs ElevenLabs: Generates highly natural AI voices, while Altered emphasizes creative voice morphing and manipulation.
  • Altered vs Lovo: Offers emotionally expressive AI voices with multilingual support, unlike Altered’s emphasis on voice alteration.
  • Altered vs Podcastle: Provides AI-powered recording and editing specifically for podcasts, a different focus than Altered’s voice manipulation.
  • Altered vs Listnr: Offers podcast hosting with AI voiceovers, while Altered specializes in voice cloning and real-time voice effects.
  • Altered vs WellSaid Labs: Delivers consistently professional-grade AI voices, contrasting with Altered’s emphasis on creative voice transformation.
  • Altered vs Revoicer: Offers realistic AI voices with emotion and speed control, unlike Altered’s focus on voice morphing and cloning.
  • Altered vs ReadSpeaker: Focuses on text-to-speech for accessibility and enterprise solutions, a different focus than Altered’s voice alteration.
  • Altered vs NaturalReader: Provides versatile text-to-speech with customizable settings, whereas Altered specializes in voice cloning and manipulation.
  • Altered vs Speechelo: Generates natural-sounding AI voices for marketing, while Altered focuses on voice cloning, training, and morphing.
  • Altered vs TTSOpenAI: Offers high-quality text-to-speech with customizable pronunciation, differing from Altered’s emphasis on voice manipulation.
  • Altered vs Hume AI: Specializes in understanding and analyzing human emotions in voice and other modalities, unlike Altered’s focus on voice transformation.

Frequently Asked Questions

What is the best AI voice generator for professional voice acting?

Both DupDub and Altered offer high-quality AI voices suitable for professional voice acting. However, DupDub edges out Altered with its more realistic and expressive voice options. Murf AI is another strong contender in this space, known for its diverse range of voices and advanced customization features.

Can I use AI voice generation for commercial projects?

Yes, you can use AI voice generation for commercial projects. However, it’s important to check the terms of service for the specific AI tool you’re using. Some platforms may require you to purchase a commercial license.

Is AI voice generation replacing human voice actors?

While AI voice generation is rapidly advancing, it’s unlikely to replace human voice actors in the near future completely. Human voices still offer a level of nuance and emotion that AI is yet to replicate fully. However, AI voice generation is a valuable tool for tasks that require quick and efficient voiceovers.

How can I make AI voices sound more realistic?

Pay attention to factors like pronunciation, intonation, and pacing to make AI voices sound more realistic. Many AI voice generators offer customization options that allow you to fine-tune these aspects. You can also experiment with adding pauses and emphasis to create a more natural flow.

What is the future of generative AI in voice acting?

Generative AI is poised to revolutionize the voice-acting industry. As AI technology evolves, we can expect even more realistic and expressive AI voices. This will open up new possibilities for creating dynamic and engaging content using AI.

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