⚡ Quick Verdict:
- 価格: Speechify starts free, with paid plans from $11.58/month. ReadSpeaker uses custom pricing only — you must contact sales.
- 最適な用途: Speechify for individual readers, students, and people with dyslexia. ReadSpeaker for schools, government agencies, and businesses needing accessibility compliance.
- 主な違い： Speechify is a consumer text to speech app you install on your phone. ReadSpeaker is a cloud-based platform built for organizations and websites.
- Our pick: Speechify for most users — transparent pricing, free version, and simple setup beat ReadSpeaker’s enterprise-only model.
Speechify and ReadSpeaker both convert written text into spoken words.
But they’re built for very different users.
Speechify is a consumer app for individuals who want to listen to articles, PDFs, and books.
ReadSpeaker is enterprise software that adds text to speech to websites, schools, and apps.
Choosing the wrong one wastes time and money.
This comparison shows which tool fits your situation.
概要
This Speechify vs ReadSpeaker comparison covers pricing, features, and ease of use.
We also break down who each tool works best for.
私たちの 作家 signed up for Speechify and spent time exploring it directly.
Observations on ReadSpeaker come from official documentation, demo videos, and user reviews.
By the end, you’ll know which tool fits your needs.
Speechifyとは何ですか?
Speechify is a text to speech app that turns written content into audio.
It was originally built by a founder with dyslexia who needed a better way to read.
Today the app helps people with dyslexia, ADHD, low visual acuity, anxiety, and concussions.
The Speechify app reads PDFs, articles, emails, and even printed text using OCR.
1分間に最大900語の速度で聞くことができます。
Speechify is the #1 audio reader in the world by user count.
This Speechify review covers the popular app’s ability to handle articles, PDFs, and printed text. Users praise its performance, engaging voices, and the way it can save time during day to day life.
Speechify stands out as a valuable tool and a versatile tool for anyone who wants their text read aloud on the go. The AI technology delivers clean playback even when you have background noise around you, which improves the overall reading experience.
スピーチファイ
Speechify converts text to natural sounding voices. It supports over 60 languages and 1,000+ AI voices. Used by millions of students, professionals, and auditory learners worldwide.
Speechifyの価格
2026年のSpeechifyの料金は以下の通りです。詳しく見ていきましょう。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 限定 | 月額0ドル | Trying basic non hd voices |
| 年間 | $11.58/month (billed yearly) | Regular readers wanting premium voices |
| 毎月 | 月額29ドル | Short-term users without commitment |
Pricing verified April 2026.
無料トライアル: Speechify offers a 3-day free trial of Premium. You’ll need a credit card to start.
返金保証: Speechify does not offer a clear money-back guarantee. Cancel before the trial ends to avoid charges.
📌 注記： The premium plan lets you convert up to 150,000 words per month using premium voices. The free version is limited to basic non hd voices and short daily reading caps.
⚠️ 警告： Speechify pricing varies by country. The annual plan auto-renews. Some users have criticized Speechify for difficulty cancelling subscriptions, so set a calendar reminder.
Speechifyの主なメリット
Here’s what makes Speechify worth considering:
- 1,000+ Voice Options: Speechify offers over 1,000 high quality voices across 60+ different languages. Premium voices sound human like and natural sounding, with customizable options for pitch and tone.
- OCRリーダー： Use your phone camera to scan physical books or printed text. Speechify reads it aloud using optical character recognition.
- Fast Reading Speed: Listen at up to 900 words per minute. The average reading speed is 250 words per minute, so you save time on long PDF documents.
- クロスプラットフォームアプリ： The Speechify app works on iOS, Android app, Mac, and as a chrome extension. Your library syncs across every device, and additional features like basic text editing and note-taking are built in, allowing users to enhance productivity wherever they listen. The mobile app also enhances productivity with offline downloads.
- Active Text Highlighting: Words are highlighted as Speechify reads them. This helps with focus and reading comprehension.
- オフライン再生： Save audio files for offline use. Great for commutes or low-signal areas.
- Built for Reading Disabilities: The app helps tens of thousands of people with dyslexia, ADHD, and other reading difficulties.
- Privacy and Account Settings: Speechify gives users control over their データ, security details, and account settings, with the ability to manage and delete their personal library at any time. Be aware of the following information when you sign up: Speechify protects user content and account integrity, and you can opt out of optional analytics at any time.
What Our Team Noticed
Our writer signed up for Speechify and spent several days using it for articles, PDF files, and emails. Here’s what stood out from that hands-on time:
Speechifyの長所と短所
✅ メリット
- Over 1,000 AI voices in 60+ languages with high quality voices
- Free version available with basic text to speech functionality
- OCR reader scans physical books, printed text, and pdf documents
- User friendly interface across iOS, android app, and chrome extension
- Active text highlighting improves reading comprehension for auditory learners
❌ デメリット
- Speechify cost can feel expensive compared to budget alternatives
- Free plan has speechify limited features and short daily caps
- No monthly subscription discount or lifetime deal options
- Voices can lack emotional nuance compared to human narration
ReadSpeakerとは何ですか？
ReadSpeaker is a cloud-based text to speech platform.
It converts online documents, web pages, and app text into natural-sounding audio.
The platform is built for schools, businesses, and government agencies.
ReadSpeaker uses Deep Neural Networks to generate human like voices.
It supports over 50 languages and 200+ voice options.
The tools include webReader, docReader, and ReadSpeaker TextAid for studying.
リードスピーカー
ReadSpeaker is a cloud-based text to speech engine for organizations. It adds audio to websites, online documents, and apps. WCAG 2.2 and ADA compliant for accessibility.
ReadSpeakerの料金プラン
ReadSpeakerの2026年の価格は以下のとおりです。詳しく見ていきましょう。
| プラン | 価格 | 最適な用途 |
|---|---|---|
| カスタム価格設定 | 営業担当者へのお問い合わせ | Schools, businesses, government agencies |
Pricing verified April 2026.
無料トライアル: ReadSpeaker offers a free trial of webReader. You’ll need to fill out a contact form to access it.
返金保証: Refund terms are negotiated as part of the custom contract. Standard money-back terms are not published.
📌 注記： ReadSpeaker uses a custom pricing model for everyone. Pricing depends on usage volume, which products you need, and contract length. There is no public price list.
⚠️ 警告： If you want to use ReadSpeaker, you must sign up for a sales call. There is no instant signup or self-serve plan. This makes ReadSpeaker a poor fit for solo users.
ReadSpeakerの主な利点
Here’s what makes ReadSpeaker worth considering:
- Wide Language Support: ReadSpeaker supports 50+ different languages and over 200 voices. The voices are built using advanced neural TTS technology.
- WCAG 2.2およびADA準拠： The platform helps organizations meet legal accessibility requirements. This is important for schools and government agencies.
- webReader & docReader: These tools let users listen to text directly in a browser. No software downloads are needed.
- ReadSpeaker TextAid: A web-based studying tool with text highlighting, document reading, and word prediction. Built for individuals with dyslexia and language learners. Students can create study notes, follow links inside documents, listen to alt text on images, and complete writing assignments with built-in support tools.
- Speech Cloud API: Developers can integrate ReadSpeaker’s TTS engine into their own apps and services.
- Automated Audio Updates: When website or course content changes, ReadSpeaker refreshes the audio automatically. No manual re-recording needed.
- LMS統合： ReadSpeaker TextAid can be integrated into existing learning management systems as an LTI Tool.
What Our Team Noticed
Our team reviewed ReadSpeaker through demo videos, official documentation, and the TextAid free trial. Here’s what stood out:
ReadSpeakerの長所と短所
✅ メリット
- WCAG 2.2 and ADA compliance built in for accessibility
- 50+ languages and 200+ natural-sounding voices using neural TTS
- ReadSpeaker TextAid offers studying tool features for learners with dyslexia
- Cloud-based with no software downloads required for browsers
- Strong fit for schools, government agencies, and large organizations
❌ デメリット
- No transparent pricing — must contact sales for a quote
- No free version or self-serve signup for individual users
- Setup is more complex than a consumer-grade app
- Less suited for solo readers who just want a basic version of TTS
機能比較
Ready to dive into a detailed comparison of Speechify vs ReadSpeaker?
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9つの主要機能をご紹介します。
| 特徴 | スピーチファイ | リードスピーカー |
|---|---|---|
| 開始価格 | 月額0ドル（無料） | カスタム価格設定 |
| 無料プラン | ✅ | ❌ |
| 音声ライブラリ | 1,000人以上の声 | 200人以上の声 |
| サポートされている言語 | 60+ | 50+ |
| OCR Reader (printed text) | ✅ | ❌ |
| Mobile Apps (iOS / Android) | ✅ | 限定 |
| Chrome拡張機能 | ✅ | ✅ |
| 音声クローン | ✅ | ✅ (custom) |
| 最適な用途 | Individuals & students | 学校と企業 |
1. AI音声ジェネレーター
スピーチファイ： Speechify offers over 1,000 ai voices across more than 60 languages. Premium voices sound natural sounding and human like, while non hd voices come with the basic free plan. You can adjust pitch and speed for a customizable listening experience.
リードスピーカー: ReadSpeaker uses Deep Neural Networks to generate human like voices. The library includes 200+ voices in over 50 different languages. Voice quality is strong, but the total catalog is smaller than Speechify’s.
2. AI音声クローン
スピーチファイ： Speechify offers AI voice cloning that lets you replicate a real voice from a sample. This feature is available on premium subscription plans. Many speechify users clone their own voice for narrating notes.
リードスピーカー: ReadSpeaker offers Custom Text-to-Speech Voices through its enterprise package. This is a brand-grade voice cloning service, not a self-serve consumer feature. It’s commonly used by large brands building voice agents.
3. AIダビング
スピーチファイ： Speechify includes AI Dubbing, which translates and voices videos into different languages. This is helpful for creators publishing content in multiple languages. The feature sits inside Speechify Studio.
リードスピーカー: ReadSpeaker does not market a dedicated AI Dubbing product. Its focus is reading existing text aloud, not translating media. For dubbing, Speechify is the better fit.
4. Scan & Listen (OCR Reader)
スピーチファイ： The Scan & Listen feature lets you point your phone at physical books and have Speechify reads the page aloud. It uses optical character recognition to handle both handwritten and typed text. This is one of the standout reasons people install speechify today.
リードスピーカー: ReadSpeaker does not offer a phone-based scan-and-listen feature for physical books. TextAid can read uploaded documents and online documents, but it isn’t built around mobile scanning. This is a real gap for individuals who want to read printed text on the go.
⚠️ 警告： If your main use case is converting printed books to audio, Speechify is the clear winner. ReadSpeaker is not built for this scenario.
5. API Access for Developers
スピーチファイ： Speechify offers API Access for developers. You can convert text into audio files programmatically and add Speechify voices to your own services. Pricing is usage-based, which makes it easy to launch new TTS-powered features without long contracts.
リードスピーカー: ReadSpeaker provides the Speech Cloud API for developers. The API lets you embed ReadSpeaker’s TTS engine into apps, websites, and digital signage. Many enterprise customers prefer it for its compliance posture.
6. Studying Tools & Web Reader
スピーチファイ： Speechify lets you save articles and microsoft word online pages to a personal speechify library. Tools like “on-repeat” help with focused learning and note extraction. The chrome extension reads other websites aloud with one click.
リードスピーカー: ReadSpeaker TextAid is a powerful tool for studying. It includes a Reading Ruler, Text Mode, Dictionary and Translation, plus highlighted text in customizable highlighting colors. It also offers a Learning Library and ReadSpeaker webReader for sites that publish content.
7. Synchronized Text Highlighting
スピーチファイ： Speechify highlights words as they are read aloud in real time. This active text highlighting helps with the listening experience for visual readers. Hearing and reading at the same time improves comprehension, according to academic research.
リードスピーカー: ReadSpeaker includes Synchronized Highlighting across all its products. You can change highlighting colors to match personalized settings. The feature works on web pages, online documents, and personal documents.
8. Cross-Platform Apps & Integrations
スピーチファイ： Speechify is available on iOS, Android app, Mac, and as a chrome extension. Your library syncs across each device automatically. You can simply upload a file or import text from a web link in seconds.
リードスピーカー: ReadSpeaker is web-based and runs on any device with a browser. There is a TextAid extension for Chrome and Edge. ReadSpeaker also offers integration with microsoft platforms and major learning management systems.
9. Accessibility Compliance
スピーチファイ： Speechify is designed to help individuals with reading disabilities. The app does not market itself as a WCAG or ADA compliance tool for organizations. Solo users with dyslexia or ADHD still benefit from its features.
リードスピーカー: ReadSpeaker helps organizations meet legal accessibility requirements like WCAG 2.2 and ADA. It supports users with visual impairments, learning disabilities, and cognitive barriers. Many schools and government agencies pick ReadSpeaker mainly for compliance reasons.
⚠️ 警告： If you need formal accessibility compliance for a public-facing site or learning platform, Speechify is not the right tool. ReadSpeaker is built for that purpose.
価格とコスト
料金プランを並べて比較してみましょう。
| プラン | スピーチファイ | リードスピーカー |
|---|---|---|
| 無料 | 月額0ドル（制限あり） | ❌ 無料プランはありません |
| 年間 | $11.58/month (billed yearly) | カスタム価格設定 |
| 毎月 | 月額29ドル | カスタム価格設定 |
| 企業 | API & team plans available | カスタム価格設定 |
スピーチファイ： Speechify pricing is transparent. You see prices on the site and can sign up 即座に. The annual plan averages $11.58/month, which works out to $139 per year.
リードスピーカー: ReadSpeaker uses custom pricing only. You’ll need to contact them for a custom quote. Pricing depends on usage volume, products selected, and contract length.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| Free version to start | スピーチファイ | Has a free plan, ReadSpeaker doesn’t |
| Read PDFs and articles solo | スピーチファイ | Built for individual readers |
| Listen to printed books | スピーチファイ | OCR scan feature on phone |
| WCAG/ADA accessibility | リードスピーカー | Compliance is core focus |
| Add TTS to a website | リードスピーカー | webReader designed for sites |
| School or university tool | リードスピーカー | TextAid integrates with LMS |
| Auditory learners on a budget | スピーチファイ | $11.58/mo annual is affordable |
💰 あなたの予算
Speechify offers transparent monthly subscription and annual pricing. ReadSpeaker requires a sales call before you see any numbers, so it’s harder to budget for.
🔌 あなたの技術スタック
If you mostly use a phone, browser, and microsoft word online pages, Speechify fits naturally. If you run a learning management system, ReadSpeaker’s LTI integration matters more.
📝 Your Reading Workflow
Speechify is faster for ad-hoc reading — open the app, paste, and listen. ReadSpeaker shines when audio needs to live alongside published content for many users.
🎓 あなたの経験レベル
Speechify has a user friendly interface that needs no training. ReadSpeaker requires more setup, especially if you’re embedding it in a website or LMS.
🆓 無料トライアルとデモ
Speechify offers a 3-day premium trial you can start in under a minute. ReadSpeaker’s trial requires you to fill out a contact form first.
🛟 サポートオプション
Speechify offers help docs and email support sized for individual customers. ReadSpeaker provides dedicated account management as part of enterprise contracts.
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？
🔄 SpeechifyからReadSpeakerに切り替えますか？
✅ 得られるもの：
- WCAG 2.2 and ADA accessibility compliance for your organization
- Native LMS integration for schools and universities
- Automated audio updates when website content changes
❌ 失うもの：
- The free version and self-serve signup
- Phone-based OCR reader for physical books
- 1,000+ voices and the AI Dubbing feature
📋切り替え方法：
- Cancel your speechify premium subscription before the next renewal
- Contact ReadSpeaker through their website to schedule a demo
- Plan webReader or TextAid setup with their solution team
🔄 ReadSpeakerからSpeechifyに切り替えますか？
✅ 得られるもの：
- Instant signup with a free version available
- Mobile apps for iOS and android with library sync
- Phone OCR to read physical books and printed text
❌ 失うもの：
- Formal WCAG and ADA accessibility compliance documentation
- LMS integration as an LTI Tool for schools
- ReadSpeaker TextAid’s Reading Ruler and Text Mode
📋切り替え方法：
- Discuss contract end dates with your ReadSpeaker account manager
- Sign up for Speechify’s free version to test fit
- Upgrade to the annual plan once you confirm it covers your reading needs
What Our Review Didn’t Cover
This comparison focused on the typical use cases for each tool. We didn’t test ReadSpeaker’s full enterprise deployment with custom voice projects, since that requires a signed contract. We also didn’t benchmark voice quality across all 60+ different language pairs in Speechify, focusing mainly on English. Our observations are based on April 2026 versions, and product features may have changed. If you’re an IT buyer evaluating large-scale rollouts, your priorities will differ from what we’ve covered.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格の透明性 | スピーチファイ |
| 🚀 Voice Library Size | スピーチファイ |
| 📱 Mobile Apps & OCR | スピーチファイ |
| 🎯 アクセシビリティ準拠 | リードスピーカー |
| 👶 Ease of Use for Solo Users | スピーチファイ |
| 🔌 LMS / Enterprise Integrations | リードスピーカー |
| 🆓 Free Plan Availability | スピーチファイ |
| 🏆総合優勝 | スピーチファイ |
🏆 WINNER: SPEECHIFY
Speechifyは7部門中5部門で受賞した。
最適な用途: Students, professionals, auditory learners, and anyone with reading disabilities
Speechify and ReadSpeaker are two very different products. They share the same category but solve different problems.
Speechify is a versatile app for individual readers. It excels at converting text into speech for books, articles, and pdf files on the go.
ReadSpeaker is enterprise infrastructure. It excels at adding text to speech capabilities to websites, schools, and apps with full accessibility compliance.
ReadSpeaker is excellent if you run an organization and need to comply with accessibility laws. The webReader and TextAid products are well-built for that purpose.
However, if you need a personal reading tool that works in day to day life, Speechify is the better choice for most people.
Now, go give your eyes a break and let your ears do the reading.
Speechifyの比較
Speechifyが他の競合他社と比べてどうなのか、以下に示します。
SpeechifyとNaturalReaderの比較
Speechifyが勝利した点： Larger voice library, OCR scan-and-listen on mobile, more polished iOS and android app
NaturalReaderが優れている点： Lower entry-level price, simple desktop reader for office files, free version with longer daily limits
Speechify vs イレブンラボ
Speechifyが勝利した点： Built-in audio reader for daily reading, OCR for printed text, mobile apps with library sync
ElevenLabsが勝利した点： Higher voice fidelity for content creators, deeper voice cloning controls, broader API for production audio
Speechify vs マーフAI
Speechifyが勝利した点： Reading tools for everyday users, OCR for physical books, chrome extension for browsing
Murf AIが勝利した点： Studio-grade voiceover editor, timeline-based syncing, team collaboration features
Speechify vs Play.ht
Speechifyが勝利した点： Mobile-first reading workflow, simpler interface for non-technical users, OCR scanning
Play.htが勝利した点： Production-grade audio export, ポッドキャスト publishing tools, more granular voice direction
ReadSpeakerの比較
ReadSpeakerが他の競合製品と比べてどうなのか、以下に示します。
ReadSpeakerとNaturalReaderの比較
ReadSpeakerが優れている点： Enterprise compliance documentation, LMS integration as an LTI Tool, automated audio updates for sites
NaturalReaderが優れている点： Self-serve consumer plans, lower price for individuals, easier signup with no sales call
ReadSpeaker vs Murf
ReadSpeakerが優れている点： Built for reading websites and online documents aloud, accessibility focus, school-grade studying tools
マーフの勝利条件： Voiceover production for marketing, video timeline editor, broader voice acting catalog
ReadSpeakerとElevenLabsの比較
ReadSpeakerが優れている点： Page-level web reading tools, accessibility compliance posture, audio update オートメーション for content changes
ElevenLabsが勝利した点： Higher-fidelity AI voices for media, expressive voice cloning, broader developer audio API
ReadSpeaker vs ロボ
ReadSpeakerが優れている点： Studying tool features in TextAid, browser-based reading without downloads, enterprise account management
Lovoが勝利した点： Affordable voiceover plans for creators, ビデオエディター with avatars, instant signup with public pricing
よくある質問
Speechifyは本当に無料ですか？
Yes, Speechify offers a free plan called Limited that costs $0 per month. It uses non hd voices and has daily reading caps. Premium features like 1,000+ ai voices, OCR, and full PDF support require a paid plan starting at $11.58/month on annual billing.
ReadSpeakerは何をしますか？
ReadSpeaker is a cloud-based text to speech engine that reads digital content aloud in natural-sounding voices. Organizations use it to add audio to websites, online documents, learning management systems, and apps. It also powers ReadSpeaker TextAid, a studying tool for individuals with dyslexia and language learners.
Speechifyの料金はいくらですか？
The annual plan costs $139 per year, which works out to $11.58 per month. The monthly subscription is $29 per month. There’s also a free version with limited features for trying the basic experience.
ReadSpeakerは無料ですか？
ReadSpeaker is not free for production use. It uses a custom pricing model, and you must contact sales for a quote. ReadSpeaker TextAid offers a free trial through a contact form, but ongoing access is paid.
ReadSpeaker TextAidとは何ですか？
ReadSpeaker TextAid is web-based 補助的な technology for literacy support. It includes a reader for assignments, textbooks, web pages, scanned notes, and personal documents, with highlighted text in customizable colors. TextAid integrates into LMS platforms as an LTI Tool, which makes it popular in schools and universities.
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