⚡ Quick Verdict:
- 価格: WellSaid Labs starts at $50/user/month vs Altered at $30/month (Altered also has a free plan)
- 最適な用途: WellSaid Labs for enterprise teams needing polished AI voice production, Altered for creators who need voice morphing and cloning tools
- 主な違い： WellSaid Labs focuses on テキスト読み上げ with studio-grade audio quality, while Altered offers voice morphing, a real-time voice changer, and voice cloning in one app
- Our pick: WellSaid Labs for most users — higher audio fidelity and stronger enterprise security controls
WellSaid Labs and Altered both turn text into speech.
しかし、彼らはそこに至るまでに全く異なる道を辿る。
WellSaid Labs is built for teams that need polished AI voice production at scale.
Altered is a voice content creation platform with morphing, cloning, and editing in one app.
This comparison breaks down pricing, features, and use cases so you can pick the right tool.
概要
This WellSaid Labs vs Altered comparison covers pricing, voice quality, features, and ease of use.
We also break down who each tool works best for.
Our sources include published specs, documentation, and G2 reviews.
By the end, you’ll know which AI voice tool fits your needs.
WellSaid Labsとは何ですか?
WellSaid Labs is an AI text to speech platform based in Seattle, Washington.
It uses artificial intelligence and voice synthesis to turn written scripts into natural sounding voices for video content, training modules, and commercials.
The story WellSaid Labs tells is simple: the best text to speech should sound human.
You don’t have to wait long to hear results — the platform generates audio in seconds.
Businesses and customers use it to create audio content for podcasts, audiobooks, ユーチューブ videos, and digital experiences.
ウェルサイドラボ
Professional AI voice synthesis with 120+ voice avatars. SOC2 and GDPR compliant. Built for teams that need polished audio at scale.
WellSaid Labsの価格設定
WellSaid Labsの2026年のコストは以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| トライアル | 無料 | Testing voice avatars for 7 days |
| クリエイティブ | 1ユーザーあたり月額50ドル | 個人クリエイターと小規模プロジェクト |
| 仕事 | 1ユーザーあたり月額160ドル | コラボレーションを必要とするチーム |
| 企業 | 営業担当者へのお問い合わせ | セキュリティ対策を必要とする大規模組織 |
Pricing verified May 2026.
無料トライアル: Yes — 7 days with access to pre-selected voice avatars. No credit card needed to sign up.
返金保証: WellSaid Labs does not publicly list a refund policy. Some users report difficulty getting refunds after cancellation.
📌 注記： WellSaid Labs does not charge per word or per minute of generated audio within tier limits. Pricing is based on per-seat subscriptions with annual billing options.
⚠️ 警告： Lower-tier plans give you pre-selected voices — you cannot choose which ones. Some users report billing issues after cancellation, so confirm your cancellation in writing.
WellSaid Labsの主なメリット
Here’s what makes WellSaid Labs worth considering:
- 音声品質: WellSaid Labs offers high-fidelity audio up to 96 kHz. The extensive voice library of 120+ avatars gives you plenty of options for high quality voice content.
- HINTSテクノロジー： This new feature lets you adjust pitch, pacing, and loudness at the word level. You can nest and layer annotations across long scripts for customizable output.
- エンタープライズセキュリティ： WellSaid Labs complies with SOC2 Type 2 and GDPR standards. It also meets HIPAA and ADA accessibility requirements.
- チームコラボレーション: Multiple users can share projects and manage collaboration levels. This makes it easy for content teams to work together.
- カスタム発音： You can create and maintain a pronunciation repository. Team members can share it for consistent audio output.
- API アクセス: The RESTful API supports real time text to speech with low latency. Product developers can add professional voice output to their own apps — no human talent needed for every recording.
What Our Team Noticed
私たちの 作家 signed up for WellSaid Labs and spent several days exploring the platform. Here’s what stood out:
WellSaid Labsの長所と短所
✅ メリット
- Studio-quality voices that sound polished for professional projects
- SOC2 Type 2 and GDPR compliance for enterprise security needs
- HINTS technology gives word-level control over pitch and pacing
- Shared pronunciation repository keeps audio consistent across teams
❌ デメリット
- English only — no support for other languages in 2026
- No voice cloning feature unlike most competitors
- Expensive compared to alternatives at $50/month minimum
Altered とは何ですか?
Altered AI is a voice content creation platform based in London, United Kingdom.
It lets voice creators morph, clone, and edit audio using advanced voice AI technology.
Altered Studio integrates multiple voice AI technologies into a single user friendly interface.
Creators use it for media production, audio storytelling, podcasts, and video game voice performances.
改変
A next generation audio editor with voice morphing, voice cloning technology, and a real-time voice changer. Built for voice creators in media production and entertainment.
価格変更
2026年におけるAlteredの費用は以下のとおりです。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | 基本的な音声編集機能のテスト |
| クリエイター | 月額30ドル | 個人クリエイターとポッドキャスター |
| プロ | 月額90ドル | スタジオと制作チーム |
Pricing verified May 2026.
無料トライアル: Yes — Altered offers a free plan with basic access to the Altered Studio. Users can also sign up for a free trial of the Creator plan.
返金保証: For Professional or Enterprise subscriptions, users should visit the pricing page for refund details.
📌 注記： All paid plans are billed annually. The prices shown are monthly costs when paying yearly. The free plan lets you explore basic voice editing and voice morphing features.
⚠️ 警告： The free plan is limited — you won’t get access to AI voice cloning or all speaking styles. Full features require the Creator plan at $30/month or higher.
変更された主な利点
Here’s what makes Altered worth considering:
- 音声モーフィング: Change your voice to sound like different characters, accents, and styles. This works for both recorded files and live calls.
- 音声クローニング: Replicate any voice from just a few seconds of recording. The rapid voice clone feature creates a vocal identity you can reuse across projects.
- リアルタイム音声変換機能： Use the real time voice changer with ultra-low latency during live voice chats, gaming, or video calls. Background noise cancellation is built in.
- Speaking Styles: The text to speech engine supports 14 speaking styles including whispering and shouting. This is great for audio storytelling and voice performances.
- 多言語サポート: Transcribe and translate content into 75+ languages. You can also add voice-over in 70+ languages using text to speech.
- AI音声クリーナー: Remove background noise, voice fillers, and mouth artifacts. This polishes your voice recordings without manual editing.
- オールインワンプラットフォーム： Voice morphing, cloning, text to speech, editing, and cleaning live in one app. You don’t need separate tools for each task.
What Our Team Noticed
Our writer signed up for Altered and spent several days exploring the platform. Here’s what stood out:
変更された長所と短所
✅ メリット
- Voice morphing and cloning in a single app saves time and cost
- Real-time voice changer works on live calls with low latency
- Free plan available for testing before you commit
- 75以上の言語での文字起こしと翻訳に対応
❌ デメリット
- Smaller company with fewer enterprise security certifications
- Free plan is very limited in feature access
- Text to speech voice library is not as large as WellSaid Labs
機能比較
Ready to dive into a detailed comparison of WellSaid Labs vs Altered?
お客様のニーズに最適なプラットフォームを判断するのに役立つ8つの主要機能について詳しく見ていきましょう。
| 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 | 月額0ドル（無料プラン） |
| 無料プラン | ❌（7日間無料トライアルのみ） | ✅ |
| 音声クローン | ❌ | ✅ |
| 音声モーフィング | ❌ | ✅ |
| テキスト読み上げ | ✅（120種類以上の音声） | ✅ (portfolio TTS voices) |
| リアルタイムボイスチェンジャー | ❌ | ✅ |
| エンタープライズセキュリティ | ✅ (SOC2, GDPR, HIPAA) | ❌ |
| 多言語サポート | ❌（英語のみ） | ✅ (75+ languages) |
| 最適な用途 | Enterprise teams & training | Voice creators & media production |
1. テキスト読み上げの品質
ウェルサイードラボ: The platform uses deep learning to generate speech that sounds close to a human recording. WellSaid Labs offers over 120 AI voice avatars, each with a unique personality. Audio output reaches up to 96 kHz, which is high enough for professional studio environments.
変更: Altered Studio’s text to speech supports 14 speaking styles, from whispering to shouting. This gives voice creators more flexibility for dialogue and entertainment projects. The portfolio of TTS voices covers 70+ languages, though the English voice library is smaller than WellSaid Labs.
2. 音声クローン
ウェルサイードラボ: WellSaid Labs does not offer voice cloning to regular users. The platform focuses on its existing library of licensed voice avatars. You cannot create custom voices from audio samples on any standard plan.
変更: Altered’s AI voice cloning lets you replicate a person’s voice from just a few seconds of recording. The rapid voice clone feature creates a vocal identity you can reuse across projects. This is a major draw for game developers and podcasters who need consistent character voices.
3. 音声モーフィング
ウェルサイードラボ: WellSaid Labs does not include voice morphing. You select a voice avatar and type your script — the platform handles the rest. There’s no way to drive a voice with your own performance.
変更: Voice morphing is Altered’s signature feature. You record your own voice, and the tool changes it to sound like a different person. This lets voice creators drive a whole multi-character production by themselves using voice puppeteering.
4. リアルタイム音声変換
ウェルサイードラボ: WellSaid Labs does not have a real-time voice changer. The platform is designed for generating pre-recorded audio from text. It doesn’t work for live voice chats or gaming sessions.
変更: Altered’s real-time voice changer works during live calls and gaming with ultra-low latency. You can change your vocal identity, accent, age, and gender while maintaining tempo. It also includes effective noise cancellation for cleaner voice chats.
5. 音声のカスタマイズと制御
ウェルサイードラボ: The HINTS technology lets you direct AI voices with contextual annotations. You can adjust pitch, pacing, and loudness at the word level. Annotations can be nested and layered across long scripts for fine-grained control.
変更: Altered’s voice editor uses traditional DSP effects together with modern AIツール. You can adjust pronunciation, accent, and speaking style through the online audio editor. The history editing feature lets you track and revert to previous versions of your audio project.
6. Enterprise and Team Features
ウェルサイードラボ: The platform is built for enterprise use. It complies with SOC2 Type 2, GDPR, HIPAA, and ADA standards. Teams can share projects, manage collaboration levels, and maintain a central pronunciation repository.
変更: Altered is a smaller company with about 14 employees. It does not currently advertise SOC2 or HIPAA compliance. The platform supports collaboration through shared projects, but it lacks the enterprise security controls that large organizations need.
⚠️ 警告： If your company handles sensitive data like healthcare records or financial information, WellSaid Labs’ security certifications matter. Altered does not currently meet these compliance standards.
7. 言語サポート
ウェルサイードラボ: WellSaid Labs offers voices only in English. It supports multiple accents and voice styles within English, but there is no multi-language support. This limits its use for global businesses.
変更: Altered supports transcription and translation in 75+ languages. You can add text to speech voice-over in 70+ languages. This makes it a better fit for creators who need to produce content across different regions.
8. 価格設定とコスト
料金プランを並べて比較してみましょう。
| プランレベル | ウェルサイドラボ | 改変 |
|---|---|---|
| 無料 | 7日間限定無料トライアル | $0/month (limited features) |
| 入場料支払い済み | 月額50ドル/ユーザー（クリエイティブプラン） | 月額30ドル（クリエイター向け） |
| 中級クラス | 月額160ドル/ユーザー（ビジネスプラン） | 月額90ドル（プロフェッショナルプラン） |
| 企業 | 営業担当者へのお問い合わせ | 価格についてはお問い合わせください |
ウェルサイードラボ: The Creative plan costs $50 per user per month. The Business plan jumps to $160 per user per month. There is no permanent free plan — only a 7-day trial. Per-user pricing means team costs add up fast.
変更: Altered’s Creator plan is $30 per month — $20 less than WellSaid Labs’ entry plan. The Professional plan is $90 per month. Altered also offers a permanent free plan, which WellSaid Labs does not.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | 改変 | Free plan + $30/mo entry tier |
| エンタープライズセキュリティ | ウェルサイドラボ | SOC2、GDPR、HIPAA準拠 |
| 音声クローン | 改変 | Rapid voice clone from seconds of audio |
| Studio-grade TTS voices | ウェルサイドラボ | 120+ voices at up to 96 kHz |
| 多言語コンテンツ | 改変 | 75+ languages supported |
| ライブ音声変換 | 改変 | Real-time voice changer built in |
💰 あなたの予算
Altered wins on price with a free plan and a $30/month Creator tier. WellSaid Labs starts at $50 per user per month with no permanent free option.
🔌 あなたの技術スタック
WellSaid Labs has a RESTful API that product developers can use to add voice to their apps. Altered Studio runs online and locally on Windows and マック, which is useful if you prefer desktop tools.
📝 コンテンツの種類
For corporate training videos, commercials, and e-learning, WellSaid Labs is the stronger choice. For game development, podcasts, and stories that need multiple voice characters, Altered gives you more creative control.
🎓 あなたの経験レベル
WellSaid Labs has a simpler workflow — type text, pick a voice, and download audio. Altered has more features to learn but rewards creators who want deeper control over their voice performances.
🆓 無料トライアルとデモ
WellSaid Labs offers a 7-day free trial with pre-selected voices. Altered has a permanent free plan plus a free trial of the Creator plan — giving you more time to test before you pay.
🛟 サポートオプション
WellSaid Labs offers live chat support on paid plans and has a dedicated help center. Altered provides a help center and contact form but doesn’t advertise live chat or phone support.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか？切り替える場合、どのような変更が予想されますか？
🔄 WellSaid LabsからAlteredに乗り換えますか？
✅ 得られるもの：
- Voice cloning and voice morphing features not available in WellSaid Labs
- A permanent free plan to test features without time pressure
- Multi-language support in 75+ languages for global content
❌ 失うもの：
- SOC2, GDPR, and HIPAA compliance for enterprise environments
- The larger library of 120+ polished English voice avatars
- HINTS 単語レベルの音声カスタマイズ技術
📋切り替え方法：
- Download all your audio projects from WellSaid Studio before cancelling
- Create a free Altered account and explore the basic features
- Re-create your scripts in Altered Studio using text to speech or voice morphing
🔄 AlteredからWellSaid Labsに切り替えますか？
✅ 得られるもの：
- 120+ studio-quality voice avatars with up to 96 kHz audio fidelity
- Enterprise security with SOC2 Type 2, GDPR, and HIPAA compliance
- HINTS technology for precise pitch, pacing, and loudness adjustments
❌ 失うもの：
- Voice morphing and voice cloning features
- ライブ通話やゲーム用のリアルタイムボイスチェンジャー
- Multi-language support — WellSaid Labs is English only
📋切り替え方法：
- Export all audio files and project data from Altered Studio
- Sign up for WellSaid Labs’ 7-day free trial to test voice avatars
- Upload your scripts and generate new audio using WellSaid’s voice library
What Our Review Didn’t Cover
This comparison focused on individual creators and small teams. We didn’t test enterprise-level deployments or custom API integrations for either platform. Audio quality testing across all 120+ WellSaid Labs voices wasn’t possible in this scope. Altered’s desktop app performance on different hardware setups also wasn’t evaluated. If you’re managing large production teams with 50+ users, your experience and pricing may differ from what we’ve described.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | 改変 |
| 🚀 Text to Speech Quality | ウェルサイドラボ |
| 🎯 Voice Cloning & Morphing | 改変 |
| 🔒 エンタープライズセキュリティ | ウェルサイドラボ |
| 👶 使いやすさ | ウェルサイドラボ |
| 🌍 言語サポート | 改変 |
| ⚡リアルタイム機能 | 改変 |
| 🏆総合優勝 | ウェルサイドラボ |
🏆 受賞者：WellSaid Labs
WellSaid Labs wins 3 out of 7 categories.
最適な用途: Enterprise teams, corporate training, professional video content, and businesses needing high quality voice output with security compliance
WellSaid Labs and Altered serve different users with different needs. WellSaid Labs is a polished text to speech platform built for businesses that need consistent, professional audio. The voice quality and enterprise security give it a clear edge for corporate use.
Altered is the better pick for creators who need voice morphing, voice cloning, and a real-time voice changer. It’s also the more budget-friendly option with a free plan and lower entry pricing. If you do creative audio work across multiple languages, Altered gives you tools that WellSaid Labs simply doesn’t offer.
For most users who need reliable, high quality AI voice generation for professional projects, WellSaid Labs is the stronger choice.
WellSaid Labsの比較をもっと見る
WellSaid Labsが他の競合他社と比べてどのような位置づけにあるのか、以下に示します。
WellSaid Labs vs イレブンラボ
WellSaid Labsが勝利した点： Enterprise security (SOC2/GDPR), dedicated team collaboration tools, HINTS word-level voice customization
ElevenLabsが勝利した点： Voice cloning from audio samples, multi-language support, lower entry pricing
WellSaid Labs vs マーフ
WellSaid Labsが勝利した点： Higher audio fidelity (96 kHz), stronger enterprise compliance certifications, more English voice avatars
マーフの勝利条件： 20+ language support, ability to sync voiceovers with video and images, voice cloning with prosody matching
WellSaid Labs vs 説明
WellSaid Labsが勝利した点： Voice library size (120+ avatars), enterprise security controls, purpose-built for audio narration
説明文が勝つ点： Full video and podcast editing suite, transcription-based editing workflow, lower price for individual creators
WellSaid Labs 対 Speechify
WellSaid Labsが勝利した点： Studio-grade output quality, team collaboration features, API for custom product integration
Speechifyが勝利した点： Cross-device availability (mobile, desktop, browser), more affordable plans, larger selection of accents and languages
変化したものを比較すると、
Alteredが他の競合他社と比べてどうなのか、以下に示します。
Altered vs ElevenLabs
Alteredが勝利した試合： Voice morphing (Speech-to-Speech), real-time voice changing for live calls, AI voice cleaner built into the editor
ElevenLabsが勝利した点： Larger TTS voice library, more mature API for developers, broader community and marketplace
オルタード vs マーフ
Alteredが勝利した試合： Voice morphing and cloning in one platform, 14 speaking styles for emotive TTS, real-time voice changer for gaming
マーフの勝利条件： Easier video-to-voiceover workflow, simpler sign-up process with personal email, converting raw recordings into studio-quality audio
改変 vs 記述
Alteredが勝利した試合： Dedicated voice morphing technology, rapid voice cloning from seconds of audio, real-time voice changing for calls
説明文が勝つ点： Full video editing suite alongside audio, screen recording and transcription workflow, larger user community
Altered vs Play.ht
Alteredが勝利した試合： Voice morphing lets you drive voices with your own performance, AI voice cleaner removes background noise automatically, desktop app runs locally
Play.htが勝利した点： Larger library of AI voices, blog-to-audio conversion feature, more affordable entry pricing
よくある質問
WellSaid Labsは何に使われるのですか？
WellSaid Labs turns text into natural sounding AI voices for video content, training modules, commercials, and podcasts. Teams use the platform to create professional audio without hiring human voice talent.
Altered AIは無料ですか？
Yes, Altered offers a free plan with basic access to voice editing features. For full access to voice cloning, all speaking styles, and the complete Altered Studio, you need the Creator plan at $30/month.
最もリアルなAI音声生成器は何ですか？
WellSaid Labs produces some of the most polished TTS voices available, especially for English-language content. Altered takes a different approach — its voice morphing lets you drive AI voices with your own performance for more expressive results.
AIによる音声クローンは違法ですか？
AI voice cloning is legal when you have consent from the person whose voice is being cloned. Both WellSaid Labs and Altered prohibit unauthorized cloning or deepfake creation in their terms of service. Laws vary by region, so check local regulations.
WellSaid Labsの費用はいくらですか？
The Creative plan starts at $50 per user per month. The Business plan costs $160 per user per month. Enterprise pricing requires contacting sales. There is a 7-day free trial but no permanent free plan.
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