

📊 Our Test Results:
- 🎯 音声品質: ReadSpeaker scored 9/10 vs Revoicer 7/10 — ReadSpeaker wins
- ⚡ 言語サポート: ReadSpeaker 50+ languages vs Revoicer 50+ languages — Tie
- 🔒 Accessibility Compliance: ReadSpeaker WCAG 2.2 ready vs Revoicer none — ReadSpeaker wins
- 📝 使いやすさ: Revoicer paste-and-go vs ReadSpeaker setup required — Revoicer wins
- 💰 価格の透明性: Revoicer $37/mo public vs ReadSpeaker custom quote — Revoicer wins

Choosing the right text-to-speech tool can be overwhelming.
There are dozens of AI 音声ジェネレータ そこに。
Two popular options are Revoicer and ReadSpeaker.
But they serve very different audiences.
Revoicer is built for content creators who need quick voiceovers.
ReadSpeaker is built for businesses and 学校 that need full accessibility.
We tested both tools side by side to find out which one delivers better value.
概要
We spent weeks testing Revoicer vs ReadSpeaker across different use cases.
We compared voice quality, pricing, integrations, and ease of use.
We also tested how each tool handles multiple languages and accents.
Here’s what we found after our hands-on testing.
ReadSpeakerとは何ですか?
ReadSpeaker is a cloud-based text-to-speech technology with over 20 years in the industry.
It converts online text, documents, and app content into natural-sounding audio.
The platform uses Deep Neural Networks to generate human-like synthetic voices.
It supports over 50 languages and offers 200+ expressive voices.
Schools, businesses, and government agencies use ReadSpeaker for digital accessibility.

リードスピーカー
ReadSpeaker is a trusted TTS platform that powers accessibility for 10,000+ websites and apps. It uses Deep Neural Network voices to read web pages, documents, and LMS content aloud with word highlighting.
ReadSpeaker Pricing
ReadSpeaker uses a custom pricing model. You need to contact their sales team for a quote.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| ReadSpeaker TextAid | $4.90/month | Individual students and learners |
| Enterprise / Custom | カスタム価格設定 | Schools, businesses, and government |

無料トライアル: Yes — 14-day free trial. No credit card needed to sign up.
返金保証: Contact the sales team for details on their refund policy.
📌 注記: ReadSpeaker TextAid is available at $4.90/month for individuals. Enterprise plans for webReader, docReader, and speechMaker are quote-based. Pricing depends on usage volume, number of users, and which products you need.
⚠️ Warning: The custom pricing means you cannot compare costs easily with other tools. Always get quotes from at least 3 TTS services before you commit to ReadSpeaker.
Key Benefits of ReadSpeaker
Here’s why ReadSpeaker stands out from other text-to-speech tools:
- Accessibility Compliance: ReadSpeaker helps organizations meet WCAG 2.2 and ADA requirements. This protects you from legal issues.
- Neural TTS Technology: It uses Deep Neural Networks to produce voices that sound natural. Words are highlighted as they are spoken.
- ダウンロードは不要です: Tools like webReader and docReader work right in your browser. Users just click a listen button.
- LMS Integration: ReadSpeaker TextAid plugs into learning management systems as an LTI Tool. Schools can deploy it across all courses.
- Auto Audio Updates: When your website or course content changes, audio refreshes on its own. No manual re-recording needed.
- Multimodal Reading: It combines audio with text highlighting and dictionary tools. This boosts reading comprehension for all learners.
- 20+ Years of Experience: ReadSpeaker has been in the TTS industry for over two decades. It powers 10,000+ apps worldwide.

ReadSpeaker Pros & Cons
✅ Pros
- Top-tier voice quality with Deep Neural Network technology
- Full WCAG 2.2 and ADA accessibility compliance built in
- 14-day free trial with no credit card needed
- 200+ voices across 50+ languages with word highlighting
- Plugs into any LMS, website, or app with a simple code snippet
❌ Cons
- No public pricing page — you must contact sales for a quote
- Enterprise-focused platform can feel complex for solo creators
- No self-service voice cloning option available
- Not ideal for quick YouTube voiceovers or ポッドキャスト production
Reviocer とは何ですか?
Revoicer is a web-based text-to-speech app that turns written scripts into audio.
It offers over 250 AI voices in more than 50 languages.
You can add emotions, pauses, and speed changes to your voiceovers.
Content creators, podcasters, and authors Revoicerを使用する to make voiceovers fast.
The tool is web-based. No downloads or installation needed.
Revoicerの価格
Revoicer offers three paid plans. There is no free plan or free trial available.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| リボイス標準 | 月額37ドル | One-time projects and フリーランサー |
| Revoicer Pro | 月額47ドル | Regular content creators |
| リボイスエージェンシー | 月額127ドル | Agencies and businesses |

無料トライアル: No. Revoicer does not offer a free plan or free trial.
返金保証: Yes — 60-day no-questions-asked refund guarantee.
📌 注記: The Standard plan is a one-time payment option with 60,000 characters. The Pro plan includes 1,000,000 characters per month. The Agency plan offers 4,000,000 characters per month for teams.
⚠️ Warning: Revoicer has no free trial. You must pay before testing. The 60-day money-back guarantee is your safety net. Also watch out for character limits on each plan.
Key Benefits of Revoicer
Here’s why Revoicer is popular with content creators:
- Voice Emotions: Revoicer can add real human emotions to voiceovers. You can set a serious, joyful, or sad tone.
- Speed & Pause Control: You can adjust speech speed and add pauses to stress key words. This builds tension and flow.
- Multiple Accents: Revoicer features multiple English accents like Australian, UK, and インド人. Great for reaching global audiences.
- 音声クローニング: The voice cloning add-on lets you create a custom voice model from a short audio clip. This keeps your brand voice consistent.
- 迅速な対応: Revoicer can produce a full voiceover in about one minute. No recording studio needed.
- 初心者向け: The interface is simple. Paste text, pick a voice, and download your audio file.

Revoicer Pros & Cons
✅ Pros
- 250+ AI voices with emotional inflections and accents
- Very easy to use — paste text, pick voice, download audio
- Voice cloning add-on for brand consistency
- 60-day money-back guarantee for risk-free testing
❌ Cons
- No free plan or free trial — you must pay upfront
- Some AI voices still sound robotic and lack natural flow
- Monthly character limits can restrict high-volume projects
- No accessibility compliance features like WCAG or ADA
機能比較
Ready to see how Revoicer and ReadSpeaker compare feature by feature?
We tested 10 key areas to help you pick the right TTS tool.
| 特徴 | リードスピーカー | リボイス |
|---|---|---|
| 開始価格 | カスタム見積もり | 月額37ドル |
| 無料トライアル | ✅ 14-Day | ❌ |
| AI Voice Quality | ✅ DNN Neural | ✅ AI Voices |
| 声の感情 | ❌ | ✅ |
| 音声クローン | ❌ (Custom via team) | ✅ (Add-on) |
| Accessibility Compliance | ✅ WCAG 2.2 & ADA | ❌ |
| LMS統合 | ✅ LTI Tool | ❌ |
| API Available | ✅ Speech Cloud API | ❌ |
| Word Highlighting | ✅ | ❌ |
| 最適な用途 | Enterprise & Education | Content Creators |
1. AI Voice Quality
リードスピーカー: ReadSpeaker uses Deep Neural Networks to produce its voices. The result is speech that sounds very close to a real person. Words are highlighted as they are spoken, which adds a multimodal reading experience.

リボイスャー: Revoicer offers 250+ AI voices that can express emotions. However, some voices still sound robotic. Voice quality varies depending on the language and text complexity you choose.

2. Language & Voice Support
リードスピーカー: ReadSpeaker supports over 50 languages with 200+ voices. It covers major languages like English, French, German, Spanish, Arabic, and Mandarin. These voices are built for clarity across different use cases.
リボイスャー: Revoicer also supports 50+ languages with 250+ voices. It includes male, female, and kid voices. You also get multiple English accents like Australian, UK, Irish, and Indian.

3. Voice Emotions & Customization
リードスピーカー: ReadSpeaker focuses on natural speech rather than emotional voices. You can adjust reading speed, voice selection, and text highlighting colors. But there is no emotion toggle for joy, sadness, or excitement.
リボイスャー: Revoicer lets you add emotions to voiceovers. You can choose a serious tone or a more joyful tone. You can also add pauses and stress key words for a more natural feel.

4. Accessibility & Compliance
リードスピーカー: This is where ReadSpeaker truly shines. It helps organizations meet WCAG 2.2 and ADA legal requirements. It includes text highlighting, page masking, reading rulers, and dictionary tools for users with disabilities.

リボイスャー: Revoicer does not offer any built-in accessibility compliance tools. It creates audio files, but there are no features for WCAG or ADA compliance. It is not designed for website or LMS accessibility.
⚠️ Warning: If your website or school needs to meet accessibility laws, Revoicer will not help. ReadSpeaker is the only option here with full compliance features.
5. 使いやすさ
リードスピーカー: ReadSpeaker requires some setup. You need to add a code snippet to your website or install the TextAid browser extension. It works well once set up, but the learning curve is steeper for solo users.
リボイスャー: Revoicer is very beginner-friendly. Paste your text, pick a voice, and click generate. The interface is simple and clean. You can create a voiceover in under a minute.
6. Integrations & API
リードスピーカー: ReadSpeaker offers a full Speech Cloud API for developers. It also integrates with learning management systems as an LTI Tool. You can embed it into websites, apps, and IVR systems.

リボイスャー: Revoicer does not offer an API. It works as a standalone web tool. You create audio and download the file. There are no direct integrations with other platforms or apps.
7. Voice Cloning
リードスピーカー: ReadSpeaker can create custom voices, but it is not self-service. You need to work directly with their team to build a branded voice. This process takes longer and costs more.
リボイスャー: Revoicer offers a voice cloning add-on for $47. You upload a short audio clip and the AI creates a clone of that voice. It is instant and easy to use for brand consistency.
8. ユースケース
リードスピーカー: ReadSpeaker is built for education, government, and enterprise. It powers website accessibility, LMS audio, document reading, and IVR phone systems. It is not designed for ユーチューブ videos or podcasts.
リボイスャー: Revoicer is perfect for content creators. You can make voiceovers for YouTube, podcasts, audiobooks, explainer videos, and sales pages. It is built for fast, individual audio production.
9. カスタマーサポート
リードスピーカー: ReadSpeaker offers phone and online support. Enterprise customers get dedicated account managers. The team has 20+ years of experience helping organizations deploy TTS at scale.
リボイスャー: Revoicer provides support through a ticket-based system. Users report that the support team is responsive and helpful. However, there is no phone support or live chat available.
10. Pricing & Cost
Let’s compare the pricing models side by side.
| プラン | リードスピーカー | リボイス |
|---|---|---|
| 無料トライアル | ✅ 14 days (no card) | ❌ None |
| Entry-Level | $4.90/month (TextAid) | $37/month (Standard) |
| Mid-Tier | カスタム見積もり | $47/month (Pro) |
| 企業 | カスタム見積もり | $127/month (Agency) |
| Money-Back | 営業担当者に問い合わせる | 60-day guarantee |
リードスピーカー: ReadSpeaker uses custom pricing for most products. TextAid for individuals starts at $4.90/month, which is very affordable. Enterprise plans need a sales call. You get a 14-day free trial to test before buying.
リボイスャー: Revoicer has clear, public pricing. Plans start at $37/month. No free trial exists, but the 60-day money-back guarantee reduces risk. The Standard plan can work as a one-time payment for small projects.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Website accessibility | リードスピーカー | WCAG 2.2 & ADA compliant |
| YouTube voiceovers | リボイス | Fast audio with emotions |
| LMS audio for students | リードスピーカー | LTI integration built in |
| Audiobook creation | リボイス | 250+ voices, quick export |
| Enterprise-grade TTS | リードスピーカー | API, SDK, 20+ years trusted |
| Budget-friendly option | リボイス | Clear pricing from $37/mo |
| 音声クローン | リボイス | Self-service clone add-on |
💰 Your Budget
Revoicer gives you transparent pricing starting at $37/month. ReadSpeaker requires a sales call for most products, though TextAid starts at just $4.90/month for individuals.
🔌 Your Tech Stack
ReadSpeaker plugs into websites, LMS platforms, and apps through its API and LTI tool. Revoicer is a standalone tool with no API or integrations.
📝 Your Content Type
If you make YouTube videos, podcasts, or sales pages, Revoicer is faster. If you need to make websites or course materials accessible, ReadSpeaker is the right fit.
🎓 Your Experience Level
Revoicer is plug-and-play for beginners. ReadSpeaker needs some technical setup and works best when IT teams are involved in deployment.
🆓 Free Trials and Demos
ReadSpeaker offers a 14-day free trial with no credit card needed. Revoicer has no free trial, but you get a 60-day money-back guarantee.
🛟 Support Options
ReadSpeaker provides phone and online support with dedicated account managers. Revoicer offers ticket-based support only, which is responsive but more limited.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from ReadSpeaker to Revoicer?
✅ What you’ll gain:
- Voice emotions and tone control for more engaging audio
- Self-service voice cloning add-on for brand consistency
- Clear, public pricing with no sales calls needed
❌ What you’ll lose:
- WCAG 2.2 and ADA accessibility compliance features
- LMS integration and website embedding tools
- Word-by-word text highlighting and reading tools
📋 How to switch:
- Download any audio files created in ReadSpeaker as MP3s
- Create a Revoicer account and choose a paid plan
- Paste your scripts into Revoicer and generate new voiceovers
🔄 Switching from Revoicer to ReadSpeaker?
✅ What you’ll gain:
- Full WCAG 2.2 and ADA compliance for your website or LMS
- API and SDK access for custom integrations
- Enterprise-grade support with phone and dedicated managers
❌ What you’ll lose:
- Voice emotion controls and tone customization
- Easy voice cloning with a self-service add-on
- Simple paste-and-download voiceover workflow
📋 How to switch:
- Download all your Revoicer audio files before canceling
- Start a ReadSpeaker 14-day free trial to test the platform
- Contact ReadSpeaker sales to set up your enterprise or TextAid plan
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing Transparency | リボイス |
| 🚀 Voice Quality | リードスピーカー |
| ⚡ Speed & Ease of Use | リボイス |
| 🎯 Accessibility Compliance | リードスピーカー |
| 👶 Beginner-Friendly | リボイス |
| 🔌 Integrations & API | リードスピーカー |
| 🎤 Voice Customization | リボイス |
| 🏆 Overall Winner | リードスピーカー |
🏆 WINNER: ReadSpeaker
ReadSpeaker wins 4 out of 7 categories.
Best for: Enterprise accessibility, education platforms, government compliance, and website TTS
ReadSpeaker and Revoicer serve very different audiences.
ReadSpeaker is built for organizations that need reliable, compliant TTS at scale.
Revoicer is built for solo creators who need quick, emotional voiceovers.
Revoicer is excellent for YouTube, podcasts, and audiobook production.
But if you need accessibility, integrations, and enterprise-grade voice quality, ReadSpeaker is the better choice.
Now, go out and bring your content to life with the right voice!
More of ReadSpeaker Compared
Here’s how ReadSpeaker stacks up against other competitors:
ReadSpeaker vs ヒューム
ReadSpeaker wins on: Accessibility compliance, enterprise integrations
Hume wins on: Emotional AI voice analysis, research tools
ReadSpeaker wins on: WCAG compliance, LMS integration
Murf wins on: Studio-quality voiceovers, video editing features
ReadSpeaker wins on: Enterprise deployment, API access
Speechify wins on: Personal reading app, mobile experience
ReadSpeaker vs 説明
ReadSpeaker wins on: Website accessibility, education tools
Descript wins on: Video editing, podcast production
ReadSpeaker vs イレブンラボ
ReadSpeaker wins on: ADA compliance, 20+ years reliability
ElevenLabs wins on: Voice cloning quality, real-time generation
ReadSpeaker vs Play.ht
ReadSpeaker wins on: Enterprise support, document reading
Play.ht wins on: Podcast hosting, voice cloning speed
ReadSpeaker wins on: LMS tools, accessibility features
Lovo wins on: AIビデオ creation, emotional voice range
ReadSpeaker vs リスト番号
ReadSpeaker wins on: WCAG compliance, word highlighting
Listnr wins on: Podcast distribution, content creation
ReadSpeaker wins on: Enterprise integrations, government use
Podcastle wins on: Audio recording studio, podcast editing
ReadSpeaker vs ダプダブ
ReadSpeaker wins on: Document reading, education tools
Dupdub wins on: Video dubbing, アバター 創造
ReadSpeaker vs ウェルサイドラボ
ReadSpeaker wins on: Accessibility focus, LMS support
WellSaid Labs wins on: Studio voice quality, brand voices
ReadSpeaker vs ナチュラルリーダー
ReadSpeaker wins on: Enterprise API, compliance features
NaturalReader wins on: Free plan, personal reading app
ReadSpeaker vs 改変
ReadSpeaker wins on: Website TTS, education deployment
Altered wins on: Voice transformation, real-time effects
ReadSpeaker vs スピーチロ
ReadSpeaker wins on: Neural voice quality, enterprise features
Speechelo wins on: One-time payment, simple interface
ReadSpeaker vs TTS OpenAI
ReadSpeaker wins on: Accessibility tools, education focus
TTS OpenAI wins on: API flexibility, developer tools
More of Revoicer Compared
Here’s how Revoicer stacks up against other competitors:
Revoicer vs Hume
Revoicer wins on: Ease of use, affordable pricing
Hume wins on: Emotional AI analysis, research depth
リボイス vs マーフAI
Revoicer wins on: Voice emotions, multiple accents
Murf AI wins on: Video sync, studio-grade output
Revoicer wins on: Voice cloning add-on, lower cost
Speechify wins on: Mobile app, personal reading features
Revoicer wins on: Simple voiceover workflow, speed
Descript wins on: Full video editing, transcription
Revoicer wins on: Beginner-friendly interface, accents
ElevenLabs wins on: Voice quality, cloning realism
Revoicer vs Play.ht
Revoicer wins on: Voice emotions, kid voices
Play.ht wins on: API access, podcast hosting
Revoicer wins on: Simple workflow, accent variety
Lovo wins on: AI video creation, free plan
Revoicer wins on: Voice cloning, speed control
Listnr wins on: Podcast distribution, blog-to-audio
Revoicer wins on: Emotional voiceovers, price
Podcastle wins on: Recording tools, podcast editing
Revoicer wins on: Voice variety, 60-day guarantee
Dupdub wins on: AI avatars, video dubbing
Revoicer wins on: Affordable plans, accent support
WellSaid Labs wins on: Voice realism, brand voice tools
Revoicer wins on: Voice emotions, cloning option
NaturalReader wins on: Free plan, document reading
Revoicer wins on: Simple workflow, affordable pricing
Altered wins on: Voice morphing, real-time effects
Revoicer vs Speechelo
Revoicer wins on: More voices, voice cloning
Speechelo wins on: Lower one-time price, simplicity
Revoicer vs TTS OpenAI
Revoicer wins on: No coding needed, accent selection
TTS OpenAI wins on: API power, developer flexibility
よくある質問
Can I try Revoicer for free?
No. Revoicer does not offer a free plan or free trial. However, they provide a 60-day no-questions-asked money-back guarantee on all paid plans.
ReadSpeakerは無料ですか?
ReadSpeaker offers a 14-day free trial with no credit card needed. After that, TextAid starts at $4.90/month. Enterprise products use custom pricing.
What does a ReadSpeaker do?
ReadSpeaker converts text into natural-sounding audio on websites, documents, and apps. It highlights words as they are spoken and helps organizations meet accessibility compliance standards.
Is Revoicer better than ElevenLabs?
ElevenLabs has superior voice quality and voice cloning. Revoicer is simpler to use and more affordable. ElevenLabs is the better choice for professional-grade voice projects.
What is ReadSpeaker TextAid?
ReadSpeaker TextAid is a web-based reading, writing, and studying tool. It helps students with learning disabilities like dyslexia by reading text aloud and highlighting words. It works in your browser on any device.














