📊 Our Test Results:
- 🎯 Qualité vocale : DupDub 7/10 vs Altered 9/10 — Altered wins
- ⚡ Clonage vocal Vitesse: DupDub 30 seconds vs Altered 2 minutes — DupDub wins
- 🔒 Real-Time Morphing: DupDub ❌ vs Altered ✅ — Altered wins
- 📝 All-in-One Features: DupDub 9+ tools vs Altered 6 tools — DupDub wins
- 💰 Best Value: DupDub $11/mo vs Altered $30/mo — DupDub wins
You want AI voices that sound real. But which tool delivers?
DupDub and Altered are two popular AI voice platforms. They both promise studio-quality results.
But they work very differently. One is an all-in-one content factory. The other is a voice specialist.
We tested both for 60 days. We compared voice quality, features, and pricing.
Here’s our honest breakdown to help you pick the right tool.
Aperçu
We spent weeks testing DupDub vs Altered side by side.
We recorded voiceovers, cloned voices, and edited audio on both platforms.
We also compared pricing, ease of use, and customer support.
Here’s what we found after hands-on testing.
Qu'est-ce que DupDub ?
DupDub is an AI-powered content creation platform. It covers voiceovers, avatars, video translation, and AI writing in one place.
Think of it as a content factory. You type texte, and DupDub turns it into voice, video, or both.
It offers over 500 AI voices across 70+ languages. That makes it great for global content.
Doublage
DupDub is an all-in-one AI platform for voiceovers, talking avatars, video translation, and AI writing. It supports 500+ voices in 70+ languages and starts at just $11/month.
DupDub Pricing
Here’s what DupDub costs in 2026. The pricing is simple and budget-friendly.
| Plan | Prix | Idéal pour |
|---|---|---|
| Gratuit | 0 $/mois | Testing basic features |
| Personnel | 11 $/mois | Solo creators on a budget |
| Professionnel | 30 $/mois | Serious content creators |
| Ultime | 110 $/mois | Agencies and heavy users |
Essai gratuit : Yes — 3 days with about 10 credits. No credit card needed.
Garantie de remboursement : DupDub has a 3-day refund policy. Cancel within 3 days for a full refund.
📌 Note: Annual billing saves you money. The Personal plan drops to around $8/month when paid yearly. All paid plans include commercial licenses.
⚠️ Warning: A 5% processing fee is deducted from refunds. Make sure to cancel before the 3-day window closes.
Key Benefits of DupDub
Here’s why DupDub stands out from the competition:
- Plateforme tout-en-un : Get voiceovers, avatars, video translation, transcription, and AI writing in a single tool. No need to juggle multiple apps.
- Bibliothèque vocale massive : Choose from 500+ AI voices across 70+ languages. Each voice can be tuned for speed, paset le ton.
- AI Avatar Creation: Build talking avatars that can speak and show emotions. Perfect for faceless YouTube channels and marketing videos.
- Video Translation: Translate content into 130+ languages with lip-sync support. One English video can reach dozens of markets.
- Budget-Friendly Pricing: Plans start at just $11/month. That’s less than one session with a voice artiste.
- Fast Voice Cloning: Clone your voice in about 30 seconds from a short sample. Use it across languages and projects.
DupDub Pros & Cons
✅ Pros
- Huge voice library with 500+ voices in 70+ languages
- All-in-one platform for video, audio, and text
- Very affordable starting at $11/month
- AI avatars and talking photos are unique features
- Fast voice cloning from a short sample
❌ Cons
- Voice quality is good but not studio-grade
- Non-English voices can struggle with pronunciation
- Limited video editing tools compared to dedicated rédacteurs
- Credit-based system can run out quickly on heavy projects
Qu'est-ce qui est modifié ?
Altered is a specialized AI voice content creation platform. It’s built for media production professionals.
Unlike DupDub, Altered focuses purely on voice. It does voice morphing, cloning, text-to-speech, and real-time voice changing.
Think of it as a photo editor — but for your voice. You keep the emotion and timing. Only the voice changes.
Modifié
Altered Studio is a pro-grade AI voice platform with voice morphing, cloning, 14 speaking styles, and a real-time voice changer. Built by a former Google speech scientist.
Altered Pricing
Here’s what Altered costs in 2026. It’s pricier than DupDub but packed with pro features.
| Plan | Prix | Idéal pour |
|---|---|---|
| Gratuit | 0 $/mois | Testing basic voice editing |
| Créateur | 30 $/mois | Podcasters and indie creators |
| Professionnel | 90 $/mois | Studios and production teams |
Essai gratuit : Yes — the free plan gives basic access to Altered Studio. You can also sign up for a Creator plan trial.
Garantie de remboursement : Visit the pricing page for refund details on Professional and Enterprise plans.
📌 Note: All plans are billed annually. The prices shown are monthly costs when paying yearly. The Creator plan unlocks voice cloning, morphing, and all speaking styles.
⚠️ Warning: The free plan is very limited. You can only test basic voice editing. For voice cloning and full features, you need the Creator plan at $30/month.
Key Benefits of Altered
Here’s why Altered stands out from the competition:
- Transformation vocale : Change your voice to sound like someone else. Keep your performance, timing, and emotion — just swap the voice. No other tool does this as well.
- 14 Speaking Styles: Go from a whisper to a shout with emotive text-to-speech. Each style sounds natural and expressive.
- Real-Time Voice Changer: Change your voice during live calls or gaming sessions. The latency is ultra-low, so conversations feel natural.
- Nettoyeur vocal IA : Remove background noise and clean up audio recordings. No need for a separate audio cleaning tool.
- Custom Voice Models: Create your own voice models for repeated use. Great for brand consistency across projects.
- History Editing: Track and revert to previous versions of your audio project. Never lose your work.
Altered Pros & Cons
✅ Pros
- Best-in-class voice morphing with emotion preservation
- Real-time voice changing for live calls and gaming
- 14 speaking styles for expressive text-to-speech
- Built-in AI voice cleaner removes background noise
- Trusted by game developers, podcasters, and film studios
❌ Cons
- No video creation, avatars, or video translation
- Creator plan starts at $30/month — not budget-friendly
- Steeper learning curve for beginners
- Free plan is too limited to be useful
Comparaison des fonctionnalités
Ready to see how DupDub and Altered stack up feature by feature?
We’ll compare 10 key areas to help you pick the right tool.
| Fonctionnalité | Doublage | Modifié |
|---|---|---|
| Prix initial | 11 $/mois | 30 $/mois |
| Plan gratuit | ✅ | ✅ |
| Clonage vocal | ✅ | ✅ |
| Transformation vocale | ❌ | ✅ |
| Real-Time Voice Changer | ❌ | ✅ |
| Avatars IA | ✅ | ❌ |
| Traduction vidéo | ✅ | ❌ |
| Synthèse vocale | ✅ | ✅ |
| AI Voice Cleaner | ❌ | ✅ |
| Idéal pour | Créateurs de contenu | Media producers |
1. Clonage vocal
Modifié : Altered’s voice cloning creates a digital copy of any voice. The cloned voice sounds very realistic. You can use it across languages with cross-lingual cloning support.
Doublage : DupDub clones your voice in about 30 seconds from a short sample. It’s fast and easy. Paid plans include commercial licenses for your cloned voice.
⚠️ Warning: Voice cloning is not illegal by itself. But using someone’s cloned voice without permission can be. Always clone your own voice or get consent first.
2. Voice Morphing
Modifié : This is where Altered shines brightest. Voice morphing lets you record your voice and change it to sound like someone else. You keep the emotion and timing. Only the voice changes.
Doublage : DupDub does not offer voice morphing. You can select different AI voices, but you can’t transform your own voice into another character.
3. Text-to-Speech
Modifié : Altered offers emotive text-to-speech with 14 speaking styles. You can whisper, shout, or speak in a happy tone. Each style sounds natural and expressive.
Doublage : DupDub provides over 500 AI voices in 70+ languages. You can adjust speed, pitch, and tone. The voices sound natural but lack the emotional depth of Altered’s styles.
4. AI Avatar Creation
Modifié : Altered does not offer AI avatar creation. It focuses only on voice-related features.
Doublage : DupDub lets you create talking AI avatars. You can pick hairstyles, outfits, and accessories. These avatars can speak and show emotions, making them great for faceless videos.
5. Real-Time Voice Changer
Modifié : Altered’s real-time voice changer works during live calls and gaming. It has ultra-low latency. Conversations feel natural with no awkward delays.
Doublage : DupDub does not offer a real-time voice changer. All voice generation happens offline through the platform.
6. Video Translation
Modifié : Altered supports transcription and translation of content. But it doesn’t offer full video dubbing or lip-sync translation like DupDub.
Doublage : DupDub translates videos into 130+ languages with lip-sync support. One English video becomes content for dozens of markets. This is a major advantage for global brands.
7. Voice Editor
Modifié : Altered Studio includes a full voice editor. You can edit audio tracks, clean up recordings, and layer voice transformations. History editing lets you revert to previous versions.
Doublage : DupDub has basic video editing tools. You can add subtitles, music, and effects. But it’s not a dedicated audio editor like Altered.
8. AI Voice Cleaning
Modifié : Altered includes a built-in AI voice cleaner. It removes background noise from recordings. No need for a separate tool like Adobe Podcast or Description.
Doublage : DupDub does not have a dedicated voice cleaning feature. You would need a separate tool for noise removal.
9. AI Writing & Transcription
Modifié : Altered offers basic transcription and translation. But it doesn’t include AI writing tools for scripts or blog posts.
Doublage : DupDub includes an AI writing assistant powered by GPT technology. It generates scripts, marketing copy, and blog posts. It also auto-transcribes videos and audio files.
10. Pricing & Cost
Let’s compare the pricing plans side by side.
| Plan | Doublage | Modifié |
|---|---|---|
| Gratuit | 0 $/mois | 0 $/mois |
| Entry Paid | $11/month (Personal) | $30/month (Creator) |
| Mid-Tier | $30/month (Professional) | $90/month (Professional) |
| Top Tier | $110/month (Ultimate) | Custom (Enterprise) |
Modifié : At $30/month for the Creator plan, you get voice cloning, morphing, text-to-speech, and the voice editor. The Professional plan at $90/month adds priority support. It’s pricier but delivers studio-grade quality.
Doublage : Starting at $11/month, DupDub is the budget king. You get voiceovers, avatars, and translation. At $30/month, DupDub’s Professional plan matches Altered’s entry price but includes more tools.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | Doublage | $19/mo cheaper entry plan |
| Voice morphing | Modifié | Only Altered offers this |
| AI avatars & video | Doublage | Altered has no video tools |
| Pro audio editing | Modifié | Full voice editor included |
| Global video reach | Doublage | 130+ language translation |
| Live voice changing | Modifié | Real-time with low latency |
💰 Your Budget
DupDub starts at $11/month. Altered starts at $30/month. If money is tight, DupDub gives you more tools for less.
🔌 Your Tech Stack
DupDub offers API access for developers. Altered has its own studio app. Pick based on how you want to work with the tool.
📝 Your Content Type
Making YouTube videos or marketing content? DupDub is your pick. Producing podcasts, jeux, or films? Altered is better.
🎓 Your Experience Level
DupDub is beginner-friendly. Altered has a steeper learning curve but rewards pros with deeper control.
🆓 Free Trials and Demos
Both offer free plans. DupDub gives 3 days with 10 credits. Altered’s free plan has basic voice editing. Test both before buying.
🛟 Support Options
DupDub has a help center and email support. Altered offers help docs and dedicated support for Professional plan users.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from DupDub to Altered?
✅ What you’ll gain:
- Voice morphing that preserves your emotion and timing
- Real-time voice changing for live calls and gaming
- Built-in AI voice cleaner for noise removal
❌ What you’ll lose:
- AI avatar creation and talking photos
- Video translation into 130+ languages
- AI writing assistant for scripts and copy
📋 How to switch:
- Export your voice recordings and projects from DupDub
- Create a free Altered Studio account
- Re-record or import your audio into Altered’s voice editor
🔄 Switching from Altered to DupDub?
✅ What you’ll gain:
- AI avatars and talking photos for video content
- Video translation and dubbing in 130+ languages
- Lower pricing starting at $11/month
❌ What you’ll lose:
- Voice morphing with emotion preservation
- Real-time voice changer for live calls
- 14 emotive speaking styles
📋 How to switch:
- Download your audio files from Altered Studio
- Sign up for a DupDub free trial
- Upload your scripts and start creating with DupDub’s AI voices
Verdict final
| Catégorie | Gagnant |
|---|---|
| 💰 Pricing | Doublage |
| 🎯 Voice Quality | Modifié |
| 🚀 Voice Morphing | Modifié |
| 📹 Video Features | Doublage |
| ⚡ Real-Time Voice | Modifié |
| 🔌 All-in-One Tools | Doublage |
| 👶 Ease of Use | Doublage |
| 🏆 Overall Winner | Modifié |
🏆 WINNER: Altered
Altered wins 4 out of 7 categories.
Best for: Media producers, game developers, podcasters, and anyone who needs studio-grade voice tools.
DupDub and Altered serve two very different audiences.
Altered specializes in voice transformation. It’s the best tool for morphing, cloning, and editing voices at a professional level.
DupDub is an all-in-one content platform. It’s perfect for creators who need voiceovers, avatars, and video tools in one place.
DupDub is excellent for budget-conscious creators who want many tools at a low price.
However, if you need the best voice quality and control, Altered is the better choice.
Now, go create some amazing audio content!
More of DupDub Compared
Here’s how DupDub stacks up against other competitors:
DupDub vs Hume
DupDub wins on: Pricing, all-in-one features
Hume wins on: Emotion detection, research-backed AI
DupDub wins on: Avatar creation, video translation
Murf AI wins on: Voice quality, enterprise features
DupDub wins on: AI avatars, video dubbing
Speechify wins on: Text-to-speech quality, reading assistance
DupDub wins on: Voice library size, pricing
Descript wins on: Video editing, collaboration tools
DupDub vs ElevenLabs
DupDub wins on: All-in-one tools, avatar creation
ElevenLabs wins on: Voice realism, API flexibility
DupDub vs Play.ht
DupDub wins on: Video features, avatar creation
Play.ht wins on: Voice cloning quality, podcast outils
DupDub wins on: Translation range, avatar features
Lovo wins on: Voice emotion range, video editing
DupDub vs Listnr
DupDub wins on: Video tools, voice cloning
Listnr wins on: Podcast hosting, audio player embeds
DupDub vs Podcastle
DupDub wins on: Avatar creation, language support
Podcastle wins on: Podcast editing, remote recording
DupDub vs Laboratoires WellSaid
DupDub wins on: Pricing, video features
WellSaid Labs wins on: Enterprise voice quality, brand voices
DupDub vs Revoice
DupDub wins on: Feature variety, avatar creation
Revoicer wins on: One-time pricing, simplicity
DupDub vs Haut-parleur de lecture
DupDub wins on: Pricing, video translation
ReadSpeaker wins on: Accessibility tools, enterprise support
DupDub vs Lecteur naturel
DupDub wins on: AI avatars, voice cloning
NaturalReader wins on: Document reading, OCR support
DupDub vs Speechelo
DupDub wins on: Feature range, language support
Speechelo wins on: One-time payment, simplicity
DupDub vs TTS OpenAI
DupDub wins on: All-in-one tools, avatar creation
TTS OpenAI wins on: Voice realism, developer API
More of Altered Compared
Here’s how Altered stacks up against other competitors:
Altered wins on: Voice morphing, real-time changing
Hume wins on: Emotion AI research, API depth
Altered wins on: Voice morphing, speaking styles
Murf AI wins on: Pricing, enterprise features
Altered wins on: Voice morphing, audio editing
Speechify wins on: Reading assistance, mobile app
Altered wins on: Voice morphing, real-time changing
Descript wins on: Video editing, transcription tools
Altered wins on: Voice morphing, speaking styles
ElevenLabs wins on: Voice realism, language coverage
Altered vs Play.ht
Altered wins on: Real-time voice changing, voice editor
Play.ht wins on: Pricing, podcast features
Altered wins on: Voice morphing, audio cleaning
Lovo wins on: Video creation, emotion range
Altered wins on: Voice morphing, professional editing
Listnr wins on: Podcast hosting, affordability
Altered wins on: Voice morphing, real-time effects
Podcastle wins on: Remote recording, collaboration
Altered wins on: Voice morphing, speaking styles
WellSaid Labs wins on: Enterprise support, brand voices
Altered wins on: Real-time changing, voice editor
Revoicer wins on: One-time pricing, simplicity
Altered wins on: Voice morphing, creative tools
ReadSpeaker wins on: Accessibility, enterprise support
Lecteur modifié vs Lecteur naturel
Altered wins on: Voice morphing, audio editing
NaturalReader wins on: Document reading, OCR tools
Altered wins on: Voice quality, real-time changing
Speechelo wins on: One-time payment, ease of use
Altered vs TTSOpenAI
Altered wins on: Voice morphing, speaking styles
TTSOpenAI wins on: Voice realism, developer tools
Foire aux questions
DupDub est-il gratuit ?
DupDub offers a 3-day free trial with about 10 credits. No credit card is needed. After that, paid plans start at $11/month for the Personal plan.
Is Altered AI free?
Altered has a free plan with basic voice editing features. But it’s very limited. You need the Creator plan at $30/month for voice cloning and all speaking styles.
Est clonage vocal par IA illegal?
Voice cloning itself is not illegal. But using someone’s cloned voice without their permission can be. High-risk AI applications in the EU must follow transparency rules. Always get consent first.
What is the most realistic AI voice changer?
Altered Studio is one of the most realistic AI voice changers available. Its voice morphing preserves emotion and timing while changing the voice itself. It’s trusted by game developers and film studios.
Lequel outil d'IA is best for creating content?
For all-in-one content creation with voiceovers, avatars, and video, DupDub is the best pick. For professional voice-only work, Altered is better. Your choice depends on what type of content you make.
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