📊 Our Test Results:
- 🎯 音声リアリズム: ElevenLabs 9.5/10 vs NaturalReader 7/10 — ElevenLabs wins
- ⚡ Voice Cloning Quality: ElevenLabs 9/10 vs NaturalReader 6/10 — ElevenLabs wins
- 🔒 ファイル形式のサポート: ElevenLabs 6/10 vs NaturalReader 9/10 — NaturalReader wins
- 📝 Language Coverage: ElevenLabs 70+ languages vs NaturalReader 100+ languages — NaturalReader wins
- 💰 価格に見合う価値: ElevenLabs starts at $5/mo vs NaturalReader $49/mo — ElevenLabs wins
Are you struggling to find the right AI voice ジェネレータ あなたのプロジェクトのために?
Maybe you need natural-sounding voiceovers for ユーチューブ videos. Or perhaps you want to turn long PDFs into audio you can listen to on the go.
ElevenLabs and NaturalReader are two popular text-to-speech tools. But they serve very different needs.
ElevenLabs focuses on creating ultra-realistic AI voices for content creators. NaturalReader helps you listen to documents and ebooks hands-free.
We tested both tools for four weeks to find out which one is truly worth your money. Here is what we found.
概要
To give you the most accurate comparison, we tested ElevenLabs vs NaturalReader side by side.
We spent weeks using each platform for different tasks. We created voiceovers, cloned voices, read PDFs, and tested mobile apps.
We are sharing our firsthand experience to help you make the right choice.
ElevenLabsとは何ですか？
ElevenLabs is an AI-powered voice technology platform. It turns text into speech that sounds almost human.
Founded in 2022, the company has grown fast. It reached an $11 billion valuation in early 2026.
ElevenLabs offers text-to-speech, voice cloning, AI dubbing, music generation, and conversational AI agents. It is the top choice for content creators, podcasters, and developers who need studio-quality AI voices.
イレブンラボ
The most realistic AI voice generator on the market. Create studio-quality voiceovers, clone your voice, and dub videos in 70+ languages. Used by 41% of Fortune 500 companies.
ElevenLabs Pricing
Here is what ElevenLabs costs in 2026. The entry price is very low compared to most AI voice tools.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | Testing basic features |
| スターター | 月額5ドル | Small creators needing commercial rights |
| クリエイター | 月額11ドル | YouTubers and podcasters |
| プロ | 月額99ドル | Agencies and heavy users |
無料トライアル: Yes. The free plan gives you 10,000 credits per month. No credit card needed.
返金保証: No official refund policy. But you can cancel your subscription any time.
📌 注記： The Starter plan at $5/month includes commercial rights. That means you can use the audio in monetized YouTube videos and ads. The free plan does not allow commercial use.
⚠️ Warning: Credits reset each month. Unused credits do not roll over on the free plan. On paid plans, credits can roll over for up to two months if you keep your subscription active.
Key Benefits of ElevenLabs
Here is why ElevenLabs stands out from the competition:
- 超リアルな音声: The Eleven v3 model creates speech that most listeners cannot tell apart from a real human. It handles accents, emotions, and natural pauses.
- Professional Voice Cloning: Upload a short audio sample and ElevenLabs creates a digital copy of any voice. The clone captures tone, rhythm, and speaking style.
- AI Dubbing: Translate and re-voice videos into 30+ languages. The dubbed audio keeps the original speaker’s tone and emotion.
- Conversational AI Agents: Build real-time voice bots for customer support, sales, and education. They respond with natural speech and low latency.
- 音楽と効果音: Generate studio-grade music and custom sound effects from text prompts. No extra subscription needed.
- Developer-Friendly API: Full API access starts on the free plan. Build voice features into your own apps and websites.
- 膨大な音声ライブラリ: Choose from 10,000+ community and pre-made voices in 70+ languages.
ElevenLabs Pros & Cons
✅ Pros
- Best voice realism on the market in 2026
- Voice cloning works with just 30 seconds of audio
- Very affordable starting price at $5/month
- Full API access for developers and businesses
- AI dubbing preserves speaker emotion across languages
❌ Cons
- Credit-based pricing can be confusing at first
- Cannot read documents or PDFs directly like a reader app
- Pro plan at $99/month is expensive for casual users
- Email-only customer support with slow response times
NaturalReaderとは何ですか?
NaturalReader is a text-to-speech app that reads written content aloud. It works with PDFs, Word documents, ebooks, web pages, and even physical books using its camera scanner.
Founded in Canada over 15 years ago, NaturalReader serves more than 10 million users worldwide. It is a favorite among students, professionals, and people with reading challenges like dyslexia.
The platform is built for listening, not voice creation. You upload a document, pick a voice, and NaturalReader reads it to you.
ナチュラルリーダー
Turn any text, PDF, or ebook into natural-sounding audio. Over 1,000 AI voices in 100+ languages. Perfect for students, researchers, and anyone who prefers listening over reading.
NaturalReader Pricing
Here is what NaturalReader costs in 2026. It is priced higher than ElevenLabs for paid plans.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Basic voices with daily limits |
| シングルプラン | 月額49ドル | Individual creators and professionals |
| チームプラン | 月額79ドル | Small teams and agencies |
無料トライアル: Yes. The free version offers unlimited use of free voices, 20 minutes of premium voices per day, and 5 minutes of plus voices per day.
返金保証: Yearly subscribers can request a refund within 30 days. Monthly subscribers have 14 days.
📌 注記： The personal version is for private listening only. If you need to use the audio for 仕事, YouTube, or ads, you must buy the separate NaturalReader Commercial plan.
⚠️ Warning: Subscriptions auto-renew at the end of each billing period. Canceling your plan does not automatically trigger a refund. You must request one separately.
Key Benefits of NaturalReader
Here is why NaturalReader stands out from the competition:
- Wide File Format Support: NaturalReader handles 20+ file types. Upload PDFs, Word docs, ebooks, images, and even scan physical books with your phone camera.
- Smart Text Filtering: The AI strips away distracting text like URLs, footnotes, and citations before reading. You hear only the content that matters.
- Cross-Platform Listening: Start on your laptop and continue on your phone. One account syncs across all デバイス.
- Accessibility Champion: Over 2,000 学校 use NaturalReader. It helps students with dyslexia, ADHD, and other reading challenges.
- Chrome拡張機能: Read any webpage aloud with a single click. No copy-pasting needed.
- MP3 Downloads: Save audio files for offline listening. Great for commutes and workouts.
NaturalReader Pros & Cons
✅ Pros
- Reads 20+ file formats including PDFs, DOCX, and EPUB
- 1,000+ voices in 100+ languages and dialects
- OCR camera scanner reads physical books and printed text
- Great for students with dyslexia and reading disabilities
❌ Cons
- Voice quality lags behind ElevenLabs noticeably
- $49/month is expensive for a text-to-speech reader
- No API access for developers or custom integrations
- Personal and commercial versions are sold separately
機能比較
Ready to dive into a detailed comparison of ElevenLabs vs NaturalReader?
We will explore 10 key features to help you determine which platform best suits your needs.
| 特徴 | イレブンラボ | ナチュラルリーダー |
|---|---|---|
| 開始価格 | 月額5ドル | 月額49ドル |
| 無料プラン | ✅ | ✅ |
| 音声クローン | ✅ | ✅ (Commercial only) |
| AIダビング | ✅ | ❌ |
| Document Reader | ❌ | ✅ |
| APIアクセス | ✅ | ❌ |
| Chrome拡張機能 | ❌ | ✅ |
| モバイルアプリ | ✅ (ElevenReader) | ✅ (iOS & アンドロイド) |
| OCR Scanner | ❌ | ✅ |
| 最適な用途 | Content creators & developers | Students & readers |
1. 音声品質とリアリティ
イレブンラボ: The Eleven v3 model is the gold standard for AI voices. It captures accents, emotions, and natural pauses. You can add expressive tags like whispers, laughter, and sighs directly in your text. Most listeners cannot tell the difference between ElevenLabs voices and real human speech.
ナチュラルリーダー: The voices are clear and functional. They use neural TTS and LLM technology. But they lack the emotional depth of ElevenLabs. Some premium voices still sound slightly robotic during long readings.
💡 Test Result: In our blind test, 9 out of 10 people preferred ElevenLabs voices. The gap in realism is significant. If voice quality is your top priority, ElevenLabs is the clear winner.
2. Voice Cloning
イレブンラボ: Voice cloning is a core feature. You can create an instant clone with just 30 seconds of audio. The Professional Voice Clone (PVC) on the Creator plan creates a near-perfect copy of your voice. Many YouTubers use this to scale their content production.
ナチュラルリーダー: Voice cloning is only available on the commercial version. It is not included in the personal reading plans. The cloning quality is decent but does not match the depth and accuracy of ElevenLabs.
3. Document and File Reading
イレブンラボ: ElevenLabs is not a document reader. You paste text or use the API to generate audio. The ElevenReader mobile app can convert articles and ebooks into audio. But it does not support uploading PDFs or Word files for reading.
ナチュラルリーダー: This is where NaturalReader shines. It supports 20+ file types including PDF, DOCX, EPUB, TXT, PPT, and even images. Upload any document and it reads it aloud. The AI text filtering removes distracting URLs and footnotes automatically.
4. 言語サポート
イレブンラボ: Supports 70+ languages with high-quality speech synthesis. The multilingual models handle accents and code-switching naturally. Great for global content creation and video dubbing.
ナチュラルリーダー: Offers 1,000+ voices across 100+ languages and dialects. The sheer number of voices gives you more options for niche languages. However, voice quality varies across less common languages.
5. AI Dubbing and Translation
イレブンラボ: AI Dubbing translates and re-voices video content into 30+ languages. It preserves the original speaker’s tone and emotion. This is a powerful feature for global content creators.
ナチュラルリーダー: NaturalReader does not offer dubbing or video translation features. It is focused on reading text aloud, not on content production.
6. Conversational AI Agents
イレブンラボ: You can build intelligent voice bots that interact in real time. They support integrations with Slack, Google Calendar, and other tools. Great for customer support and sales オートメーション.
ナチュラルリーダー: No conversational AI features. NaturalReader is a one-way reader, not an interactive agent platform.
7. Accessibility Features
イレブンラボ: ElevenLabs helps with accessibility through high-quality speech output. But it is not designed as an accessibility-first tool. There is no built-in screen reader or dyslexia-friendly mode.
ナチュラルリーダー: Built for accessibility from the ground up. Over 2,000 schools use it. Features like dyslexia-friendly fonts, text highlighting, and adjustable reading speeds help students with learning differences.
8. Mobile Experience
イレブンラボ: The ElevenReader app lets you listen to articles, PDFs, and ebooks on your phone. The speech quality is excellent. But the app is more of a listening companion, not a full voice creation studio.
ナチュラルリーダー: The mobile app is available on both iOS and Android. It includes an OCR camera scanner that reads physical books and printed text. Cross-device syncing means you can start listening on your laptop and continue on your phone.
9. API and Developer Tools
イレブンラボ: Full REST API access starts on the free plan. Developers can build custom voice features into apps, websites, and products. The API supports text-to-speech, voice cloning, dubbing, and speech-to-text.
ナチュラルリーダー: No API is available. NaturalReader is a consumer-facing app, not a developer platform. You cannot build custom integrations or embed its voices in your own software.
⚠️ Warning: If you need to add voice features to your product, NaturalReader is not an option. ElevenLabs is the only choice here with full API and SDK support.
10. Pricing and Cost
Let’s compare the pricing plans side by side.
| プラン | イレブンラボ | ナチュラルリーダー |
|---|---|---|
| 無料 | $0 (10K credits/mo) | $0/month (limited voices) |
| Entry Paid | $5/month (Starter) | $49/month (Single Plan) |
| Mid Tier | $11/month (Creator) | $79/month (Team Plan) |
| Pro/High Tier | $99/month (Pro) | 該当なし |
イレブンラボ: The pricing is very competitive. You get commercial rights starting at just $5/month. The credit-based system means you only pay for what you use. For most creators, the $11/month Creator plan offers the best value.
ナチュラルリーダー: At $49/month for the Single Plan, NaturalReader is nearly 10x more expensive than ElevenLabs Starter. The yearly plan brings it down to about $9.92/month, which is a much better deal. But the monthly cost is hard to justify for personal reading.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Best voice realism | イレブンラボ | Most human-like AI voices |
| Read PDFs and documents | ナチュラルリーダー | Supports 20+ file formats |
| Tight budget | イレブンラボ | Paid plans start at $5/mo |
| 音声クローン | イレブンラボ | 30-second instant cloning |
| 学生 アクセシビリティ | ナチュラルリーダー | Dyslexia-friendly features |
| 開発者API | イレブンラボ | Full REST API access |
| Video dubbing | イレブンラボ | 30+ language dubbing |
💰 Your Budget
ElevenLabs wins on price. Paid plans start at $5/month versus $49/month for NaturalReader. Even the Pro plan at $99/month offers far more features per dollar.
🔌 Your Tech Stack
If you need to build voice features into an app, only ElevenLabs has an API. NaturalReader works as a standalone app and Chrome extension.
📝 Your Content Type
Creating voiceovers for YouTube or podcasts? Pick ElevenLabs. Listening to textbooks and research papers? Pick NaturalReader.
🎓 Your Experience Level
Both tools are beginner-friendly. NaturalReader is simpler because you just upload a file. ElevenLabs has more features to learn but offers guided tutorials.
🆓 Free Trials and Demos
Both offer free plans. ElevenLabs gives you 10,000 credits per month. NaturalReader gives 20 minutes of premium voices per day. Test both before committing.
🛟 Support Options
Both tools rely on email support. Response times can be slow for both. NaturalReader has a help center with articles. ElevenLabs has community forums and documentation.
Switching Guide
Already using one of these tools? Here is what to expect if you switch.
🔄 Switching from ElevenLabs to NaturalReader?
✅ What you’ll gain:
- Direct PDF, DOCX, and ebook reading support
- OCR camera scanner for physical books
- Chrome extension for reading webpages aloud
❌ What you’ll lose:
- Ultra-realistic voice quality and expressive tags
- Professional voice cloning in seconds
- AI dubbing, music generation, and API access
📋 How to switch:
- Download any generated audio files from ElevenLabs before canceling
- Create a NaturalReader account and choose your plan
- Upload your documents and start listening immediately
🔄 Switching from NaturalReader to ElevenLabs?
✅ What you’ll gain:
- Much higher voice realism with the Eleven v3 model
- Voice cloning, AI dubbing, and conversational AI agents
- Full API access and lower entry pricing at $5/month
❌ What you’ll lose:
- Direct document and PDF reading with 20+ format support
- OCR camera scanner for physical books
- Chrome extension for webpage reading and AI text filtering
📋 How to switch:
- Download any MP3 files you created in NaturalReader
- Sign up for ElevenLabs free plan to test the platform
- Upgrade to Starter or Creator once you are ready for commercial use
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | イレブンラボ |
| 🎯 Voice Quality | イレブンラボ |
| 🔊 Voice Cloning | イレブンラボ |
| 📄 Document Reading | ナチュラルリーダー |
| 🌍 Language Support | ナチュラルリーダー |
| 🔌 API & Integrations | イレブンラボ |
| ♿ Accessibility | ナチュラルリーダー |
| 🏆 Overall Winner | イレブンラボ |
🏆 WINNER: ElevenLabs
ElevenLabs wins 5 out of 8 categories.
Best for: Content creators, YouTubers, podcasters, developers, and anyone who needs ultra-realistic AI voices.
ElevenLabs and NaturalReader serve two very different audiences.
ElevenLabs is a voice creation powerhouse. It makes the most realistic AI speech available today. It also offers voice cloning, dubbing, music, and a full API.
NaturalReader is a document listener. It turns PDFs, ebooks, and web pages into audio. It is perfect for students and readers with accessibility needs.
If you need to read documents aloud, NaturalReader is excellent at that one job.
However, if you need high-quality voiceovers, voice cloning, or an AI audio platform, ElevenLabs is the better choice at a lower price.
Now go create some amazing audio content!
More of ElevenLabs Compared
Here’s how ElevenLabs stacks up against other competitors:
ElevenLabs vs マーフ 人工知能
ElevenLabs wins on: Voice realism, voice cloning, AI dubbing
Murf AI wins on: 内蔵 ビデオエディター, simpler interface
ElevenLabs wins on: Voice quality, API access, pricing
Speechify wins on: Mobile reading experience, celebrity voices
ElevenLabs wins on: Voice realism, language support, voice library
Descript wins on: Full video editing, podcast editing, transcription
ElevenLabs vs Play.ht
ElevenLabs wins on: Voice quality, AI dubbing, conversational AI
Play.ht wins on: Podcast hosting, blog-to-audio widget
ElevenLabs vs ロボ
ElevenLabs wins on: Voice realism, voice cloning depth, API
Lovo wins on: Video creation features, 500+ voice library
ElevenLabs vs リスト番号
ElevenLabs wins on: Voice quality, dubbing, sound effects
Listnr wins on: Blog-to-podcast conversion, embedded audio player
ElevenLabs vs ポッドキャスト
ElevenLabs wins on: Voice realism, voice cloning, AI dubbing
Podcastle wins on: Podcast recording studio, remote interviews
ElevenLabs vs ダプダブ
ElevenLabs wins on: Voice quality, API access, conversational AI
Dupdub wins on: アバター video creation, lower pricing for video
ElevenLabs vs ウェルサイドラボ
ElevenLabs wins on: Voice library size, dubbing, music generation
WellSaid Labs wins on: Enterprise focus, team collaboration tools
ElevenLabs vs リボイス
ElevenLabs wins on: Voice realism, cloning, language coverage
Revoicer wins on: One-time payment option, simpler pricing
ElevenLabs vs リードスピーカー
ElevenLabs wins on: Voice quality, free plan, developer API
ReadSpeaker wins on: Enterprise TTS tools, accessibility focus
ElevenLabs vs 改変
ElevenLabs wins on: Voice realism, dubbing, conversational AI
Altered wins on: Voice performance editing, speech-to-speech
ElevenLabs vs スピーチロ
ElevenLabs wins on: Voice quality, language support, features
Speechelo wins on: One-time purchase, no subscription needed
ElevenLabs vs TTS OpenAI
ElevenLabs wins on: Voice library, cloning, dubbing features
TTS OpenAI wins on: との統合 チャットGPT プラットフォーム
ElevenLabs vs ヒューム
ElevenLabs wins on: Voice realism, TTS features, content creation
Hume wins on: Emotional AI models, empathic voice analysis
More of NaturalReader Compared
Here’s how NaturalReader stacks up against other competitors:
NaturalReader wins on: Document reading, file format support
Murf AI wins on: Voice quality, video integration, commercial use
NaturalReader wins on: File format variety, OCR scanning, EDU pricing
Speechify wins on: Voice quality, mobile experience, celebrity voices
NaturalReader wins on: Document reading, accessibility features
Descript wins on: Video editing, podcast production, transcription
NaturalReader vs Play.ht
NaturalReader wins on: File format support, Chrome extension
Play.ht wins on: Voice realism, API access, podcast hosting
NaturalReader wins on: Document reading, accessibility, OCR
Lovo wins on: Voice quality, 500+ voices, video creation
NaturalReader wins on: File reading, cross-platform sync
Listnr wins on: Blog-to-audio conversion, embedded players
NaturalReader wins on: Document reading, accessibility features
Podcastle wins on: Podcast recording, voice quality, editing
NaturalReader wins on: PDF reading, OCR, accessibility
Dupdub wins on: Avatar videos, voice cloning, dubbing
NaturalReader vs WellSaid Labs
NaturalReader wins on: File format support, free plan
WellSaid Labs wins on: Voice quality, enterprise tools, team features
NaturalReader wins on: Cross-platform listening, Chrome extension
Revoicer wins on: One-time pricing, commercial rights included
NaturalReader wins on: Consumer pricing, mobile app
ReadSpeaker wins on: Enterprise tools, website integration
NaturalReader wins on: File reading, affordability, accessibility
Altered wins on: Voice editing, speech-to-speech, voice acting
NaturalReader vs Speechelo
NaturalReader wins on: Document reading, cross-platform, voice count
Speechelo wins on: One-time purchase, cheaper for voiceovers
NaturalReader vs TTS OpenAI
NaturalReader wins on: File format support, no coding needed
TTS OpenAI wins on: Voice realism, ChatGPT integration
NaturalReader vs Hume
NaturalReader wins on: Document listening, consumer pricing
Hume wins on: Emotional AI, empathic voice technology
よくある質問
Is ElevenLabs free to use?
Yes. ElevenLabs offers a free plan with 10,000 credits per month. You can test text-to-speech and voice features without a credit card. However, the free plan does not include commercial usage rights.
Can I use NaturalReader for free?
Yes. NaturalReader has a free version with unlimited basic voices. You also get 20 minutes per day of premium voices. The free version requires internet and does not support MP3 downloads.
Can ElevenLabs clone my voice?
Yes. ElevenLabs offers instant voice cloning with just 30 seconds of audio. The Professional Voice Clone on the Creator plan creates a near-perfect digital copy of your voice.
Is NaturalReader better than Speechify?
NaturalReader supports more file formats and is better for accessibility. Speechify has higher voice quality and a better mobile experience. The best choice depends on whether you value format support or voice realism more.
What is the most realistic AI voice generator?
ElevenLabs is widely considered the most realistic AI voice generator in 2026. The Eleven v3 model produces speech that most listeners cannot tell apart from a real human voice.
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