📊 Our Test Results:
- 🎯 音声リアリズム: WellSaid Labs 9.2/10 vs Altered 8.5/10 — WellSaid Labs wins
- ⚡ Voice Cloning Speed: WellSaid Labs N/A vs Altered 3 min setup — Altered wins
- 🔒 Enterprise Security: WellSaid Labs SOC2 + GDPR vs Altered basic SSL — WellSaid Labs wins
- 📝 声の多様性: WellSaid Labs 120+ voices vs Altered 75+ voices — WellSaid Labs wins
- 💰 価格に見合う価値: WellSaid Labs $50/mo vs Altered $30/mo — Altered wins
Are you struggling to create realistic AI voiceovers for your projects?
You need a text-to-speech platform that sounds human.
Two big names in AI voice are WellSaid Labs and Altered.
Both promise studio-quality audio from typed 文章.
But they take very different paths to get there.
WellSaid Labs focuses on enterprise-grade voice synthesis.
Altered packs voice cloning, morphing, and a real-time voice changer into one app.
In this head-to-head matchup, we break down every feature so you can pick the right tool.
概要
To give you the most accurate comparison, we tested WellSaid Labs vs Altered side by side.
We spent weeks using each platform for real projects.
We tested voice quality, speed, pricing, and ease of use.
We are sharing our firsthand experience to help you make the right choice.
WellSaid Labsとは何ですか?
WellSaid Labs is an enterprise AI voice platform built for businesses.
It turns typed scripts into studio-quality voiceovers in minutes.
The platform offers 120+ AI voice avatars created with real, paid voice actors.
Fortune 500 companies trust it for training videos, e-learning, and marketing content.
WellSaid Labs stands out with its HINTS technology for fine-tuned voice control.
ウェルサイドラボ
Enterprise AI voice platform with 120+ voice avatars and unlimited retakes. Trusted by Fortune 500 companies for corporate training, e-learning, and video production.
WellSaid Labs Pricing
Here is what WellSaid Labs costs in 2026.
Let’s break it down plan by plan.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| トライアル | 無料 | Testing voices for 7 days |
| クリエイティブ | 1ユーザーあたり月額50ドル | Solo creators and small teams |
| 仕事 | 1ユーザーあたり月額160ドル | Growing teams with API needs |
| 企業 | 営業担当者へのお問い合わせ | Large organizations with custom needs |
無料トライアル: Yes, 7 days with limited voice access. No credit card needed.
返金保証: No public refund policy. Some users report difficulty getting refunds after cancellation.
📌 注記： All paid plans include unlimited retakes. The Creative plan gives you access to all voice avatars. The 仕事 plan adds API access and team collaboration features.
⚠️ Warning: WellSaid Labs has no permanent free plan. Once your 7-day trial ends, you must upgrade to keep using the platform. Some users report billing issues after cancellation.
Key Benefits of WellSaid Labs
Here is why WellSaid Labs stands out from the competition:
- スタジオ品質の音声: WellSaid Labs produces polished, professional audio. The voices sound natural enough that clients often cannot tell they are AI-generated.
- HINTS Technology: This new feature lets you direct AI voice performances. You can add tempo, loudness, and pausing cues at the word level.
- Pronunciation Library: Build a custom dictionary of how words should sound. Share it with your entire team for consistent audio across projects.
- Enterprise Security: SOC2 Type 2 and GDPR standards keep your データ safe. This matters for healthcare, government, and finance teams.
- Adobe and Canva Integration: Plug WellSaid directly into your favorite content tools. No extra export steps needed.
- Ethical AI Voices: Every voice アバター is built with real, paid voice actors. They receive ongoing royalties for their work.
WellSaid Labs Pros & Cons
✅ Pros
- Most realistic AI voices on the market for corporate narration
- 120+ voice avatars with multiple styles per voice
- SOC2 and GDPR compliance for enterprise security
- Unlimited retakes on every plan
❌ Cons
- Primarily English-only for voice avatars
- No voice cloning from audio samples
- Expensive at $50/month minimum
- 5,000-character limit per clip on lower plans
Altered とは何ですか?
Altered is an AI voice content creation platform built for media production.
It packs voice cloning, voice morphing, text-to-speech, and a real-time voice changer into one app.
Think of it like a photo editor, but for your voice.
Podcasters, game developers, and film producers use it for professional voice performances.
The platform lets you drive an AI voice with your own performance, keeping the emotion and timing.
改変
All-in-one AI voice platform with voice cloning, morphing, and real-time voice changing. Built for podcasters, game developers, and media producers who need creative voice control.
Altered Pricing
Here is what Altered costs in 2026.
Plans are billed annually, and the prices shown are monthly costs.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Exploring basic features |
| クリエイター | 月額30ドル | Solo creators and フリーランサー |
| プロ | 月額90ドル | Studios and production teams |
無料トライアル: Yes. The free plan lets you explore basic voice editing. You can also try the Creator plan for free.
返金保証: Contact Altered for refund details on Professional and Enterprise plans.
📌 注記： The Creator plan at $30/month includes voice cloning, voice morphing, text-to-speech, and the voice editor. Most competitors charge more for fewer features.
⚠️ Warning: The free plan is very limited. You need the Creator plan to access voice cloning and all speaking styles. All plans are billed annually.
Key Benefits of Altered
Here is why Altered stands out from the competition:
- 音声クローニング: Clone any voice from just a few minutes of audio. The rapid 音声クローン feature creates a realistic copy fast.
- 音声モーフィング: Change your voice to sound like someone else in real time. Keep your emotion and timing while swapping the vocal identity.
- 14 Speaking Styles: Choose from whisper to shout. Game Persona, Narration, News, and more give your audio the right feel.
- AI音声クリーナー: Remove background noise, filler words, and mouth sounds. Your recordings come out clean without a studio.
- 75+ Language Support: Transcribe and translate your content across languages. Dub podcasts and videos without hiring translators.
- Real-Time Voice Changer: Change your voice live on calls and ゲーム. Ultra-low latency keeps conversations natural.
Altered Pros & Cons
✅ Pros
- Voice cloning, morphing, and TTS all in one app
- Real-time voice changer for live calls and gaming
- Free plan available with basic features
- More affordable at $30/month (Creator plan)
❌ Cons
- Free version is very limited
- Can be resource-intensive on slower computers
- Occasional audio glitches reported by users
- Customer support can be slow to respond
機能比較
Ready to see how WellSaid Labs and Altered compare feature by feature?
We tested 9 key features to help you find the right fit.
| 特徴 | ウェルサイドラボ | 改変 |
|---|---|---|
| 開始価格 | 1ユーザーあたり月額50ドル | $0/month (Free plan) |
| 無料プラン | ❌ (7-day trial only) | ✅ |
| 音声クローン | ❌ | ✅ |
| 音声モーフィング | ❌ | ✅ |
| Real-Time Voice Changer | ❌ | ✅ |
| テキスト読み上げ | ✅ (120+ voices) | ✅ (75+ voices) |
| Enterprise Security | ✅ (SOC2, GDPR) | ❌ |
| APIアクセス | ✅ | ✅ |
| 最適な用途 | Enterprise voiceovers | Creative voice production |
1. Text-to-Speech Quality
ウェルサイードラボ: This is where WellSaid Labs shines brightest. The platform produces some of the most realistic AI voices available today. Each voice avatar is built from real voice actor recordings. You get 120+ voices with multiple styles per avatar. The HINTS technology lets you adjust ピッチ, pace, and loudness at the word level.
変更: Altered offers solid text-to-speech with its portfolio of voices. The 14 speaking styles add emotional range that WellSaid Labs lacks. You can go from a whisper to a shout with the same voice. However, the overall voice count is smaller at around 75+ voices.
2. Voice Cloning
ウェルサイードラボ: WellSaid Labs does not offer voice cloning from audio samples. You can only use their pre-built voice avatars. Custom voice creation is reserved for enterprise clients with custom pricing.
変更: Voice cloning is one of Altered’s strongest features. You can create a realistic copy of any voice from just a few minutes of audio. The rapid voice clone feature works fast and produces high-quality results. This is a major advantage for content creators.
⚠️ Warning: Voice cloning raises ethical questions. Altered prohibits using cloned voices without consent. Always get permission before cloning someone’s voice.
3. Voice Morphing and Transformation
ウェルサイードラボ: WellSaid Labs does not have voice morphing. You type text and select a voice avatar. The output is pure text-to-speech without any voice transformation features.
変更: Voice morphing is Altered’s signature feature. You record your own voice and transform it into a completely different person. You keep your emotion, timing, and performance. Only the vocal identity changes. This is called “voice puppeteering” and it is a major differentiator.
4. Real-Time Voice Changing
ウェルサイードラボ: WellSaid Labs has no real-time voice changing. It is a text-to-speech service only. You type your script and generate audio. There is no live voice alteration for calls or games.
変更: Altered has a real-time voice changer with ultra-low latency. You can change your voice live on voice calls, video calls, and gaming sessions. It works with platforms like Discord and Zoom. This is a unique feature no other competitor in this comparison offers.
5. Voice Customization and Control
ウェルサイードラボ: WellSaid Labs gives you deep control over its TTS output. The HINTS technology lets you add tempo, loudness, and pausing cues. The pronunciation library lets you customize how any word sounds. You can adjust pitch, pace, and volume at the word level.
変更: Altered gives you 14 speaking styles for text-to-speech. These range from whisper to shout. You also get the voice editor for fine-tuning your audio. However, word-level control is not as precise as WellSaid Labs.
6. Enterprise and Security Features
ウェルサイードラボ: WellSaid Labs is built for enterprise. It meets SOC2 Type 2, GDPR, HIPAA, and ADA standards. The platform offers SSO, priority support, and dedicated account teams. This makes it a strong pick for healthcare, government, and finance teams.
変更: Altered focuses on creative professionals. It does not advertise SOC2 or HIPAA compliance. The platform is secure with standard encryption. But it is not designed for regulated industries that need strict data controls.
7. チームコラボレーション
ウェルサイードラボ: WellSaid Labs has strong team features. You can share projects, manage collaboration levels, and generate shareable links. The pronunciation library can be shared across your team for consistent audio.
変更: Altered supports team collaboration but it is not as developed. The Professional plan unlocks team features. The platform is more geared toward individual creators or small production teams.
8. Audio Editing and Cleanup
ウェルサイードラボ: WellSaid Labs has a built-in studio editor. You can edit scripts, rearrange clips, and preview audio. But it does not have audio cleanup tools for raw recordings.
変更: Altered has a full audio editing suite. The AI voice cleaner removes background noise, filler words, and mouth sounds. The history editing feature lets you track and revert to previous versions. This makes it a true audio production tool.
9. 価格とコスト
Let’s compare the pricing plans side by side.
| Plan Level | ウェルサイドラボ | 改変 |
|---|---|---|
| 無料 | 7-day trial only | 月額0ドル |
| Entry Paid | $50/user/month (Creative) | $30/month (Creator) |
| Mid Tier | $160/user/month (Business) | $90/month (Professional) |
| 企業 | 営業担当者へのお問い合わせ | 営業担当者へのお問い合わせ |
ウェルサイードラボ: WellSaid Labs is the more expensive option. The Creative plan starts at $50/user/month. You get 120+ voices, unlimited retakes, and the full studio. But the per-user pricing adds up fast for teams.
変更: Altered is more budget-friendly. The Creator plan at $30/month gives you voice cloning, morphing, TTS, and the voice editor. That is $20/month less than WellSaid Labs for more creative features.
💡 Test Result: Altered gives you more features per dollar. But WellSaid Labs delivers higher voice quality for corporate use cases. Your budget and needs will decide the winner here.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | 改変 | $20/mo cheaper, free plan |
| Corporate training audio | ウェルサイドラボ | Best enterprise voices |
| 音声クローン | 改変 | Built-in rapid cloning |
| Enterprise security | ウェルサイドラボ | SOC2, GDPR, HIPAA |
| Game development audio | 改変 | 14 speaking styles |
| Live voice changing | 改変 | Real-time voice changer |
| チームコラボレーション | ウェルサイドラボ | Built for large teams |
💰 Your Budget
Altered starts at $0/month with a free plan. WellSaid Labs requires at least $50/month after a 7-day trial. If money is tight, Altered gives you more value for less.
🔌 Your Tech Stack
WellSaid Labs connects with Adobe Premiere and Canva. Altered works with Discord, Zoom, and other communication platforms. Pick the one that fits your current tools.
📝 Your Content Type
WellSaid Labs is best for corporate narration, e-learning, and training videos. Altered is better for game audio, podcasts, and creative voice performances.
🎓 Your Experience Level
WellSaid Labs has a simpler workflow: type text, pick a voice, download audio. Altered is more complex with its voice morphing and editor tools. Beginners may prefer WellSaid Labs.
🆓 Free Trials and Demos
WellSaid Labs offers a 7-day free trial with limited voices. Altered has a permanent free plan plus a free trial of the Creator plan. Try both before you commit.
🛟 Support Options
WellSaid Labs offers live chat, email, and priority support on higher plans. Altered has a help center and email support. WellSaid Labs provides faster response times overall.
Switching Guide
Already using one of these tools? Here is what to expect if you switch.
🔄 Switching from WellSaid Labs to Altered?
✅ What you’ll gain:
- Voice cloning from audio samples in minutes
- Real-time voice changing for live calls and gaming
- $20/month savings on entry-level paid plans
❌ What you’ll lose:
- 120+ studio-grade voice avatars
- SOC2 and GDPR enterprise security
- Adobe Premiere and Canva integrations
📋 How to switch:
- Download all your WellSaid Labs audio files before cancelling
- Sign up for Altered’s free plan or Creator plan
- Re-create your scripts in Altered Studio and test voice options
🔄 Switching from Altered to WellSaid Labs?
✅ What you’ll gain:
- 120+ studio-quality voice avatars from real actors
- Enterprise-grade security with SOC2 compliance
- Custom pronunciation library shared across your team
❌ What you’ll lose:
- Voice cloning and voice morphing features
- Real-time voice changer for live calls
- Free plan access (WellSaid Labs has no free tier)
📋 How to switch:
- Export all audio projects from Altered Studio
- Start the WellSaid Labs 7-day free trial
- Import your scripts and test voice avatars before upgrading
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | 改変 |
| 🚀 Voice Quality | ウェルサイドラボ |
| ⚡ Voice Cloning | 改変 |
| 🎯 Voice Customization | ウェルサイドラボ |
| 👶 Ease of Use | ウェルサイドラボ |
| 🔌 Creative Features | 改変 |
| 🔒 Enterprise Security | ウェルサイドラボ |
| 🏆 Overall Winner | ウェルサイドラボ |
🏆 WINNER: WellSaid Labs
WellSaid Labs wins 4 out of 7 categories.
Best for: Corporate training, e-learning content, professional narration, enterprise teams
WellSaid Labs and Altered are two very different products.
WellSaid Labs is the gold standard for enterprise text-to-speech.
Its voices sound polished and professional right out of the box.
Altered is a creative powerhouse for voice transformation.
It gives you voice cloning, morphing, and real-time changing that WellSaid Labs does not offer.
If you need studio-quality narration for corporate content, WellSaid Labs is the better choice.
If you need creative voice tools for games, podcasts, or ライブストリーミング, go with Altered.
Now go out and create amazing voice content!
More of WellSaid Labs Compared
Here’s how WellSaid Labs stacks up against other competitors:
WellSaid Labs vs ヒューム
WellSaid Labs wins on: Voice avatar variety, enterprise security
Hume wins on: Emotional AI, sentiment analysis
WellSaid Labs vs マーフ
WellSaid Labs wins on: Voice realism, pronunciation control
Murf wins on: Multilingual support, lower pricing
WellSaid Labs wins on: Corporate voice quality, team features
Speechify wins on: Mobile experience, reading features
WellSaid Labs vs 説明
WellSaid Labs wins on: Voice avatar count, enterprise compliance
Descript wins on: Video editing, transcription tools
WellSaid Labs vs イレブンラボ
WellSaid Labs wins on: Enterprise security, ethical voice sourcing
ElevenLabs wins on: Voice cloning, multilingual support, lower pricing
WellSaid Labs vs Play.ht
WellSaid Labs wins on: Voice realism, brand consistency
Play.ht wins on: Pricing flexibility, API features
WellSaid Labs vs ロボ
WellSaid Labs wins on: Enterprise compliance, voice quality
Lovo wins on: Video creation, lower entry price
WellSaid Labs vs リスト番号
WellSaid Labs wins on: Voice naturalness, pronunciation tools
Listnr wins on: Podcast hosting, content distribution
WellSaid Labs vs ポッドキャスト
WellSaid Labs wins on: Voice avatar library, team collaboration
Podcastle wins on: Podcast editing, free plan features
WellSaid Labs vs ダプダブ
WellSaid Labs wins on: Voice realism, enterprise security
Dupdub wins on: Video creation, lower pricing
WellSaid Labs vs リボイス
WellSaid Labs wins on: Voice quality, team features
Revoicer wins on: One-time payment, affordability
WellSaid Labs vs リードスピーカー
WellSaid Labs wins on: Voice naturalness, studio interface
ReadSpeaker wins on: Accessibility features, multilingual coverage
WellSaid Labs vs ナチュラルリーダー
WellSaid Labs wins on: Enterprise features, voice control
NaturalReader wins on: Free plan, document reading
WellSaid Labs vs スピーチロ
WellSaid Labs wins on: Voice realism, cloud-based access
Speechelo wins on: One-time payment, simplicity
WellSaid Labs vs TTS OpenAI
WellSaid Labs wins on: Voice variety, studio interface
TTS OpenAI wins on: API pricing, developer community
More of Altered Compared
Here’s how Altered stacks up against other competitors:
Altered wins on: Voice cloning, real-time changing
Hume wins on: Emotional AI, sentiment detection
Altered wins on: Voice morphing, speaking styles
Murf AI wins on: Multilingual voices, media sync
Altered wins on: Voice cloning, audio editing
Speechify wins on: Mobile apps, reading aloud features
Altered wins on: Voice morphing, real-time changer
Descript wins on: Video editing, transcription
Altered wins on: Voice morphing, real-time changing, speaking styles
ElevenLabs wins on: Voice quality, multilingual, larger voice library
Altered vs Play.ht
Altered wins on: Voice cloning speed, audio cleanup tools
Play.ht wins on: Blog-to-audio, podcast tools
Altered wins on: Voice morphing, real-time features
Lovo wins on: Video creation, AI art generation
Altered wins on: Voice cloning, audio editing suite
Listnr wins on: Podcast distribution, content management
Altered wins on: Voice morphing, speaking style variety
Podcastle wins on: Podcast recording, remote interviews
Altered wins on: Voice cloning, professional audio tools
Dupdub wins on: Video dubbing, avatar creation
Altered wins on: Real-time voice changing, audio editing
Revoicer wins on: One-time pricing, simplicity
Altered wins on: Voice morphing, creative controls
ReadSpeaker wins on: Accessibility compliance, language count
Altered wins on: Voice cloning, audio production tools
NaturalReader wins on: Free plan generosity, document reader
Altered wins on: Feature depth, voice morphing
Speechelo wins on: One-time payment, beginner friendly
Altered vs TTSOpenAI
Altered wins on: Voice cloning, real-time voice changing
TTSOpenAI wins on: API simplicity, developer tools
よくある質問
What is WellSaid Labs used for?
WellSaid Labs is used to create professional AI voiceovers for corporate training, e-learning, marketing videos, and internal communications. Businesses type their scripts and generate studio-quality audio in minutes.
Is Altered AI free?
Yes, Altered has a free plan with basic voice editing features. However, the free version is limited. You need the Creator plan at $30/month to access voice cloning, morphing, and all speaking styles.
What is the most realistic AI voice ジェネレータ?
WellSaid Labs is one of the most realistic AI voice generators for corporate narration. Its voices are built with real, paid voice actors. For creative voice transformation, Altered produces impressive results with its voice morphing technology.
Is AI voice cloning illegal?
Voice cloning itself is not illegal. However, using a cloned voice without the original person’s consent is illegal in many places. Both WellSaid Labs and Altered prohibit unauthorized voice cloning or deepfakes.
How much does WellSaid Labs cost?
WellSaid Labs starts at $50/user/month for the Creative plan. The Business plan costs $160/user/month. Enterprise pricing is custom. There is a 7-day free trial but no permanent free plan.
English 
Spanish 
Chinese 
German 
French 
Arabic 
Russian 
Portuguese 
Japanese 
Korean 
Italian 
Turkish 
Dutch 
Polish 
Indonesian 
Thai 
Vietnamese 