

📊 Our Test Results:
- 🎯 音声品質: Play HT scored 8.5/10 vs Altered 8/10 — Play HT wins
- ⚡ 声の多様性: Play HT has 800+ voices vs Altered has 800+ portfolio voices — Tie
- 🔒 音声モーフィング: Play HT has basic changing vs Altered has full morphing — Altered wins
- 📝 言語サポート: Play HT covers 140+ languages vs Altered covers 75+ — Play HT wins
- 🚀 使いやすさ: Play HT is easier for beginners vs Altered has a steeper curve — Play HT wins

You need natural sounding AI voices for your next project.
Maybe it’s a ポッドキャスト, a training video, or a game character.
Two top AI 音声ジェネレータ keep coming up: Play HT and Altered.
Both promise human-like voices that sound real.
But they solve different problems in different ways.
I tested both tools for 60 days with my own money.
Here’s my honest breakdown to help you pick the right one.
概要
I spent weeks testing Play HT vs Altered side by side.
I created voice overs, cloned voices, and tested every major feature.
I also checked pricing, support quality, and ease of use.
This comparison is based on real hands-on testing.
Play HTとは何ですか?
Play HT is an AI voice ジェネレータ that turns text into natural sounding speech.
It gives you access to over 800 AI voices across 140+ languages.
You can clone your own voice in just 30 seconds.
Content creators use it for podcasts, audiobooks, and training videos.
The platform also offers an API for developers who need voice features in their apps.

HTをプレイ
Turn any text into human-like speech with 800+ AI voices. Clone your own voice in seconds. Export in MP3 or WAV. Free plan available with 12,500 characters per month.
Play HTの料金
Here’s what Play HT costs in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing voices and basic projects |
| クリエイター | 月額31.20ドル | Solo creators and podcasters |
| 無制限 | 月額49ドル | High-volume audio production |
| プレミアム | カスタム/月 | Enterprise teams and agencies |

無料トライアル: Yes. The free plan gives you 12,500 characters per month with one voice clone. No credit card required.
返金保証: Play HT does not publicly list a money-back guarantee. You can cancel anytime.
📌 注記: The Creator plan unlocks commercial use rights. The free plan requires attribution to Play HT on all published audio.
⚠️ Warning: Some users on Trustpilot report billing issues and unauthorized charges. Double-check your subscription settings after signing up.
Key Benefits of Play HT
Here’s why Play HT stands out from other AI voice generators:
- 膨大な音声ライブラリ: Over 800 AI voices in 140+ languages and accents. You’ll find a voice for almost any project.
- Fast Voice Cloning: Clone your own voice with just 30 seconds of audio. The cloned voice sounds about 85% accurate.
- Developer-Friendly API: Full API access lets you add テキスト読み上げ features into your own apps and products.
- Multi-Speaker Podcasts: Create podcasts with multiple AI speakers in one project. Great for dialogue-style content.
- WordPress Plugin: Add audio versions of your blog posts with a built-in WordPress plugin and browser extension.
- RSS Feed Support: Generate RSS feeds for your audio content. Publish directly to Spotify or iTunes.

Play HT Pros & Cons
✅ Pros
- 800+ voices across 140+ languages and accents
- Voice cloning works in just 30 seconds
- Full API access for developers
- Free plan with 12,500 characters per month
- WordPress plugin and browser extension available
❌ Cons
- Customer support is slow — 4+ day response times
- Voice quality drops during peak server hours
- Trustpilot rating is only 3 out of 5 stars
- Some users report billing issues and unauthorized charges
Altered とは何ですか?
Altered AI is a voice content creation platform built for media production.
It lets you morph, clone, and edit voices using advanced AI technology.
Think of it as a photo editor — but for your voice.
Game developers, podcasters, and film producers use it for professional voice performances.
What makes Altered different is voice morphing. You record your voice, and it transforms into a completely different character.

改変
The all-in-one AI voice studio for media production. Voice morphing, cloning, text to speech, and a real-time voice changer in one app. Translate content into 75+ languages.
Altered Pricing
Here’s what Altered costs in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing basic voice editing features |
| クリエイター | 月額30ドル | Solo creators and podcasters |
| プロ | 月額90ドル | Studios and production teams |

無料トライアル: Yes. The free plan lets you test voice morphing and basic editing. No credit card needed to start.
返金保証: Contact Altered’s pricing page for details on Professional and Enterprise refund policies.
📌 注記: The $30/month and $90/month prices are based on annual billing. Monthly rates may be higher. Check the pricing page for current details.
⚠️ Warning: The free plan is very limited. You need the Creator plan ($30/month) to access voice cloning, all speaking styles, and full voice morphing features.
Key Benefits of Altered
Here’s why Altered stands out from other voice tools:
- 音声モーフィング: Record your voice and transform it into a completely different character. Keep your timing and emotion while the voice changes.
- Real-Time Voice Changer: Change your voice during live calls or gaming sessions. Ultra-low latency makes it feel instant.
- 14 Speaking Styles: Go from whispering to shouting. The emotive text to speech gives you 14 different delivery styles.
- AI音声クリーナー: Remove background noise from your recordings. Get studio-quality audio without a studio.
- Transcription & Translation: Transcribe audio and translate into 75+ languages. One tool handles the entire voice workflow.
- History Editing: Track and revert to any previous version of your audio project. Never lose your work.

Altered Pros & Cons
✅ Pros
- Voice morphing is best-in-class for character work
- Real-time voice changer works on live calls
- 14 speaking styles add emotion to any script
- Built-in audio cleaner removes background noise
- Transcription and translation in 75+ languages
❌ Cons
- Steeper learning curve than Play HT
- Professional plan costs $90/month — pricey for solo users
- Free plan is very limited in features
- Fewer language options than Play HT (75+ vs 140+)
機能比較
Ready to see how Play HT and Altered stack up feature by feature?
We’ll compare 10 key areas to help you pick the right tool.
| 特徴 | HTをプレイ | 改変 |
|---|---|---|
| 開始価格 | 月額31.20ドル | 月額30ドル |
| 無料プラン | ✅ 12,500 chars/mo | ✅ Limited features |
| 音声クローン | ✅ 30-second clone | ✅ Rapid clone |
| 音声モーフィング | ❌ Basic changing only | ✅ Full morphing |
| Real-Time Voice Changer | ❌ | ✅ |
| テキスト読み上げ | ✅ 800+ voices | ✅ Portfolio voices |
| サポートされている言語 | 140+ | 75+ |
| APIアクセス | ✅ | ❌ |
| Audio Cleaner | ✅ | ✅ |
| 最適な用途 | コンテンツクリエイター | Media production |
1. AI音声クローン
Play HT: Voice cloning takes just 30 seconds of audio. You record a short sample, and the AI builds a clone of your voice. The result is about 85% accurate. It works well for podcasts and video narration.

変更: The rapid voice clone feature also builds a custom voice model from your audio. Altered goes deeper by letting you drive any cloned voice with your own performance. You keep your emotion and timing while the voice changes completely.

2. Voice Morphing
Play HT: Play HT offers a basic AI voice changer. You can switch between different voices in your projects. But it’s not true voice morphing. You select a pre-made voice rather than transforming your own.
変更: This is where Altered shines. Voice morphing is its core feature. You record your performance, then morph it into any character voice. The AI keeps your inflections and pacing while changing the voice itself. Game developers and film studios love this for character work.

⚠️ Warning: Voice morphing is only available on Altered’s paid plans. The free version gives you a very basic taste of this feature.
3. Text to Speech Quality
Play HT: Play HT uses neural TTS models that sound very natural. The Ultra Voices feature delivers top-tier quality. You get over 800 AI voices to choose from. The voices handle long-form content well for audiobooks and podcasts.

変更: Altered offers premium text to speech with 14 speaking styles. You can go from a whisper to a shout in the same script. The emotive TTS adds real feeling to dialogue. It’s built for creative projects that need emotional range.

4. 言語サポート
Play HT: Play HT supports over 140 languages and accents. This is one of the widest language selections in the AI voice space. You can create content in English, Spanish, Mandarin, Arabic, Hindi, and dozens more.

変更: Altered supports translation and transcription in 75+ languages. That’s solid, but it’s nearly half of what Play HT offers. If you create content for a global audience, Play HT gives you more options.
5. Real-Time Voice Changer
Play HT: Play HT does not offer a real-time voice changer. You type or paste text, generate the audio, then download it. Everything is done in post-production.
変更: Altered has a real-time voice changer with ultra-low latency. Use it on Discord, Zoom, or any voice chat platform. It changes your voice live during conversations. Gamers and streamers find this feature very useful.
6. APIアクセス
Play HT: Full API access is available on paid plans. Developers can add text to speech and voice cloning into their own apps. This makes Play HT a strong choice for building voice-powered products and services.
変更: Altered focuses on its desktop studio app. It does not offer a public API for developers. If you need to add voice features to your own software, Play HT is the clear choice here.
⚠️ Warning: Play HT’s API pricing is separate from the standard plans. Check their API docs for per-character rates before building your integration.
7. Voice Editing & Cleaning
Play HT: Play HT has an AI audio cleaner that removes background noise. You can also adjust pronunciation for specific words. The editor is simple and fast to use.

変更: Altered Studio is a full voice editor. It includes an AI voice cleaner, history editing, and version control. You can track every change and revert to any previous version. It’s built for professional audio production workflows.

8. 使いやすさ
Play HT: Very beginner-friendly. Type text, pick a voice, click generate. The interface is clean and simple. Most users can produce their first audio file in under five minutes.
変更: Altered has a steeper learning curve. The studio is packed with features. It takes time to learn voice morphing, the editor, and all the speaking styles. Professionals will appreciate the depth. Beginners may feel overwhelmed at first.
9. 統合
Play HT: Offers a WordPress plugin, browser extension, and RSS feed support. You can publish audio to Spotify and iTunes directly. These tools make it easy to add voice content to your existing workflow.

変更: Altered is a standalone desktop application. It works with any audio file format. But it doesn’t have WordPress plugins or browser extensions. You export audio and add it to your projects manually.
10. Pricing & Cost
Let’s compare the pricing plans side by side.
| Plan Level | HTをプレイ | 改変 |
|---|---|---|
| 無料 | $0/month (12,500 chars) | $0/month (limited) |
| Mid-Tier | $31.20/month (Creator) | $30/month (Creator) |
| プロ | $49/month (Unlimited) | $90/month (Professional) |
| 企業 | カスタム価格設定 | 営業担当者に問い合わせる |
Play HT: The Creator plan at $31.20/month gives you solid value. The Unlimited plan at $49/month removes all character limits. Both plans include commercial licensing and voice cloning. Good value for high-volume creators.
変更: The Creator plan at $30/month is nearly the same price as Play HT. But the Professional plan jumps to $90/month. You pay more for the advanced features like priority support and full studio access. Best for studios with bigger budgets.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Most languages | HTをプレイ | 140+ vs 75+ languages |
| Voice morphing | 改変 | Best-in-class morphing |
| API for developers | HTをプレイ | Full API access available |
| リアルタイムの音声変更 | 改変 | Live voice changer built in |
| WordPress audio | HTをプレイ | Plugin and RSS feed support |
| Game character voices | 改変 | 14 speaking styles and morphing |
| 初心者向け | HTをプレイ | Simpler interface |
💰 Your Budget
Both tools start around $30/month for their Creator plans. Play HT’s Unlimited plan is $49/month. Altered’s Professional plan costs $90/month. If you need advanced features, Play HT is the more affordable option.
🔌 Your Tech Stack
Play HT fits web-based workflows with its WordPress plugin, API, and browser extension. Altered is a desktop studio app. Pick Play HT if you work mostly online. Pick Altered if you prefer desktop editing.
📝 Your Content Type
Play HT excels at text to speech for blogs, podcasts, and video narration. Altered excels at voice performance for ゲーム, films, and creative audio storytelling. Match the tool to your content format.
🎓 Your Experience Level
Beginners should start with Play HT. Its interface is simple and you can create audio in minutes. Altered is better for experienced audio producers who want deep control over voice performances.
🆓 Free Trials and Demos
Both offer free plans. Play HT’s free plan gives you 12,500 characters and one voice clone. Altered’s free plan is more limited. Try both before you commit to a paid subscription.
🛟 Support Options
Play HT support is slow — users report 4+ day response times. Altered offers priority support on the Professional plan. Neither tool is known for fast customer service on lower-tier plans.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from Play HT to Altered?
✅ What you’ll gain:
- Full voice morphing for character work and creative projects
- Real-time voice changer for live calls and gaming
- 14 speaking styles for emotive text to speech delivery
❌ What you’ll lose:
- API access for building voice features into your apps
- WordPress plugin and browser extension for web content
- 140+ languages (Altered supports 75+)
📋 How to switch:
- Download all your audio files from Play HT in MP3 or WAV format
- Create an Altered account and start with the free plan to test features
- Import your audio files into Altered Studio and start editing
🔄 Switching from Altered to Play HT?
✅ What you’ll gain:
- 800+ voices in 140+ languages for global content
- Full API access for developers and アプリビルダー
- WordPress plugin and RSS feed for easy web publishing
❌ What you’ll lose:
- Voice morphing and voice puppeteering features
- Real-time voice changer for live calls
- 14 emotive speaking styles for dialogue work
📋 How to switch:
- Export all your projects from Altered Studio as WAV or MP3 files
- Sign up for Play HT’s free plan and test voice generation
- Upload your scripts to Play HT and select your preferred AI voices
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | HTをプレイ |
| 🎤 Voice Variety | HTをプレイ |
| 🎭 Voice Morphing | 改変 |
| 🌍 Language Support | HTをプレイ |
| 👶 Ease of Use | HTをプレイ |
| 🔌 Integrations & API | HTをプレイ |
| 🎬 Creative Production | 改変 |
| 🏆 Overall Winner | HTをプレイ |
🏆 WINNER: Play HT
Play HT wins 5 out of 7 categories.
Best for: Content creators, podcasters, developers, and anyone who needs natural sounding AI voices in many languages.
Play HT and Altered serve two different audiences.
Play HT is built for content creators who need fast, high-quality text to speech in 140+ languages.
Altered is built for media producers who need voice morphing and creative voice control.
Altered is excellent for game development, film production, and character voice work.
But if you need a versatile AI voice tool with wide language support, Play HT is the better pick.
Its API, WordPress plugin, and beginner-friendly editor give it the edge for most users.
Now, go create audio content that sounds amazing!
More of Play HT Compared
Here’s how Play HT stacks up against other competitors:
Play HT vs ヒューム
Play HT wins on: Voice variety, language support
Hume wins on: Emotion detection, empathic voice AI
HT対Murfをプレイ 人工知能
Play HT wins on: Voice cloning, API access
Murf AI wins on: E-learning features, video sync
Play HT wins on: Voice cloning, language count
Speechify wins on: Pricing, mobile accessibility
Play HT vs ロボ
Play HT wins on: Language support, batch processing
Lovo wins on: Emotional voice control, video editing
Play HT vs 説明
Play HT wins on: Pure voice generation, API
Descript wins on: Video editing, podcast production
Play HT vs イレブンラボ
Play HT wins on: Language count, lower pricing
ElevenLabs wins on: Voice realism, emotional depth
Play HT vs リスト番号
Play HT wins on: Voice cloning, voice variety
Listnr wins on: Podcast hosting, blog-to-audio
Play HT vs ポッドキャスト
Play HT wins on: Voice variety, voice cloning
Podcastle wins on: Podcast recording, video editing
Play HT vs ダプダブ
Play HT wins on: Voice count, language support
Dupdub wins on: Video dubbing, アバター 創造
Play HT vs ウェルサイドラボ
Play HT wins on: Pricing, language support
WellSaid Labs wins on: Enterprise features, support quality
Play HT vs リボイス
Play HT wins on: Voice quality, voice cloning
Revoicer wins on: One-time pricing, simplicity
Play HT vs リードスピーカー
Play HT wins on: Voice cloning, pricing
ReadSpeaker wins on: Enterprise compliance, accessibility
Play HT vs ナチュラルリーダー
Play HT wins on: Voice cloning, API access
NaturalReader wins on: Document reading, OCR scanning
Play HT wins on: Voice cloning, voice count
ノートバイブス wins on: Simplicity, flat-rate pricing
Play HT vs スピーチロ
Play HT wins on: Voice quality, language support
Speechelo wins on: One-time payment, simplicity
Play HT vs TTS OpenAI
Play HT wins on: Voice variety, user-friendly studio
TTS OpenAI wins on: Developer tools, API simplicity
More of Altered Compared
Here’s how Altered stacks up against other competitors:
Altered vs Hume
Altered wins on: Voice morphing, studio editing
Hume wins on: Emotion AI, voice analysis
Altered wins on: Voice morphing, real-time changer
Murf AI wins on: E-learning tools, ease of use
Altered wins on: Voice morphing, creative control
Speechify wins on: Pricing, mobile reading
Altered wins on: Voice morphing, speaking styles
Descript wins on: Video editing, transcription
Altered wins on: Voice morphing, real-time changer
ElevenLabs wins on: Voice realism, API access
Altered wins on: Voice morphing, audio editing
Lovo wins on: Emotional control, video tools
Altered wins on: Creative voice control, morphing
Listnr wins on: Blog-to-audio, pricing
Altered wins on: Voice morphing, speaking styles
Podcastle wins on: Podcast recording, video features
Altered wins on: Voice editing depth, voice morphing
Dupdub wins on: Video dubbing, avatar tools
Altered wins on: Voice morphing, creative tools
WellSaid Labs wins on: Enterprise features, support
Altered wins on: Voice morphing, real-time changer
Revoicer wins on: One-time pricing, simplicity
Altered wins on: Creative voice editing, morphing
ReadSpeaker wins on: Accessibility, enterprise tools
Altered wins on: Voice morphing, production tools
NaturalReader wins on: Document reading, ease of use
Altered vs Speechelo
Altered wins on: Voice morphing, speaking styles
Speechelo wins on: One-time payment, simplicity
Altered vs TTSOpenAI
Altered wins on: Voice morphing, creative tools
TTSOpenAI wins on: Developer API, pricing
よくある質問
Is Play HT voice cloning free?
Yes, the free plan includes one instant voice clone. You get 12,500 characters per month. For more clones and characters, you need a paid plan starting at $31.20/month.
Is Altered AI free?
Altered offers a free plan with basic voice editing and limited morphing. But it’s very restricted. You need the Creator plan at $30/month for voice cloning, all speaking styles, and full morphing features.
Is Play HT better than ElevenLabs?
ElevenLabs has better voice realism and emotional depth. Play HT has more languages (140+ vs 29+) and lower prices. Choose ElevenLabs for the best sound quality. Choose Play HT for language variety and cost savings.
Is Altered Studio legit?
Yes, Altered Studio is a real company with positive reviews from professional users. Game developers, podcasters, and film producers praise its voice morphing features. It’s a trusted tool in the media production space.
Is AI voice cloning legal?
Using voice cloning technology itself is not illegal. However, cloning someone’s voice without their permission can violate laws in many regions. Always get consent before cloning another person’s voice.













