⚡ Quick Verdict:
- 価格: Speechify starts at $11.58/mo annually vs DupDub at $11/mo
- 最適な用途: Speechify for reading pdf files and physical books, DupDub for creating videos and ai voiceovers
- 主な違い： Speechify reads existing content aloud; DupDub creates ai content with avatars and video editing tools
- Our pick: Speechify for most users — it solves the most common need with the best ease of use
Picking the right ai tool for your day to day life can feel hard.
Speechify and DupDub both use ai technology to handle text to speech and spoken words.
But each one solves a different problem.
Speechify is the #1 audio reader for converting text into natural sounding voices.
DupDub is an all in one platform for creating videos, ai voiceovers, and talking avatars.
So which one fits your needs?
どちらが優れているかを確かめるため、SpeechifyとDupDubを4週間並べてテストしてみました。
概要
To give you the most accurate Speechify review and DupDub review, I tested both hands-on.
I imported pdf files, web links, and physical books into each ai powered platform.
I checked voice options, reading speed, pricing, and core features.
Here’s what I found to help you save time and pick the right valuable tool.
Speechifyとは何ですか?
Speechify is a popular app that converts written text into spoken words using ai voices.
The speechify app works on iOS, Android, and as a chrome extension.
Speechify reads pdf documents, articles, emails, and printed text using optical character recognition.
The founder built it to help with his own dyslexia.
Today, speechify helps tens of thousands of people with reading disabilities like ADHD and low visual acuity.
Academic research shows hearing and reading at the same time improves comprehension.
That’s why speechify stands apart as a powerful tool for auditory learners and language learners.
スピーチファイ
The #1 rated speechify text to speech app that turns any written text into natural sounding voices. Speechify offers 200+ premium voices and a user friendly interface for the best listening experience.
Speechifyの価格
Here’s the breakdown of speechify cost in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 限定 | 月額0ドル | Testing the basic version with non hd voices |
| 年間 | 月額11.58ドル | Regular users wanting full speechify premium access |
| 毎月 | 月額29ドル | 柔軟性を必要とする短期ユーザー |
Pricing verified March 2026.
無料トライアル: Yes — 3 days free trial. The premium plan converts up to 150,000 words per month using premium voices.
返金保証: Not clearly stated. Speechify does not offer a monthly subscription discount or a lifetime deal.
📌 注記： The annual plan works out to about $139/year. Speechify pricing varies from country to country. The basic free plan has limited features compared to the premium plan.
⚠️ 警告： Some users report auto-renewal charges after the free trial. Always confirm cancellation through your app store settings.
Speechifyの主なメリット
Here’s why speechify stands apart in this category:
- OCR Reader Technology: Speechify uses optical character recognition to read printed text and handwritten notes. Simply upload a photo to convert text into audio files.
- Custom Reading Speed: The app lets you adjust reading speed up to 900 WPM. The average reading speed is around 250 WPM, so this is a big jump.
- クロスプラットフォーム同期: Start an audio file on the android app, continue on your laptop. The speechify library syncs across all デバイス for a smooth listening experience.
- Real-Time Text Highlighting: Words light up as the app reads them aloud. This text highlighting feature helps you follow along and enhances productivity.
- Reading Disabilities Support: Built for dyslexia, ADHD, and visual impairments. Speechify enhances the reading experience by cutting mental fatigue and background noise.
- 複数の言語: Supports over 60 different languages with lifelike ai voices. Perfect for language learners who want to hear different language pronunciation.
- Wide Import Options: You can import text via copy-paste, file uploads, web links, or scanning pages. The app’s ability to handle pdf files makes it a versatile app and a versatile tool.
What Our Team Noticed
私たちの 作家 signed up for speechify and used it daily for 4 weeks. Here’s what stood out:
Speechifyの長所と短所
✅ メリット
- 200+ high quality voices with customizable options
- OCR reader scans physical books and printed text
- Works on android app, iOS, chrome extension, and Edge
- Text highlighting feature improves comprehension
- Great valuable tool for reading disabilities
❌ デメリット
- Speechify premium subscription plans feel pricey at $139/year
- 500 WPMを超える速度は理解しにくくなる
- Free version has limited features and non hd voices only
- Speechify limited basic plan lacks text editing tools
DupDubとは何ですか？
DupDub is an ai powered all in one platform for creating videos, voiceovers, and digital content.
It goes beyond basic text to speech with ai writing, AIアバター creation, voice cloning, and video translation.
Content creators, marketers, and educators use dupdub for content creation at scale.
The official dupdub website lists over 500 ai voices and 90+ languages and accents.
DupDub makes producing high quality videos easy with professional grade editing tools.
Mobvoi, an ai company backed by Google and Sequoia, runs the dupdub lab.
ダップダブ
An ai powered, user friendly platform with 500+ voices, ai avatars, voice cloning, and video editing tools. Create compelling content without recording studios or hiring voice artists.
DupDubの価格設定
2026年におけるDupDubのコスト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 | Testing core features with about 10 credits |
| 個人的 | 月額11ドル | Solo creators handling voiceover projects |
| プロ | 月額30ドル | Serious creators with advanced features needs |
| 究極の | 月額110ドル | High-volume teams producing high quality content |
Pricing verified March 2026.
無料トライアル: Yes — 3 days with about 10 credits. No credit card needed to sign up.
返金保証: 3-day refund policy. Cancel within 3 days of purchase for a refund. A 5% processing fee applies.
📌 注記： DupDub paid plans provide commercial licenses for promotional content and educational materials. Personal+ runs around $15/month and Professional climbs to about $40/month on monthly billing.
⚠️ 警告： DupDub uses a credit system. Once your credits run out, you wait for the next cycle or upgrade. Track your usage carefully.
DupDubの主なメリット
Here’s why DupDub is a popular ai tool for creators:
- AIアバター 特徴： DupDub’s ai avatar feature creates talking avatars that show multiple emotions. Perfect for faceless YouTube channels and marketing pitches.
- 音声クローン技術： Clone any voice from a short sample. Use your cloned voice across different voices, languages, and projects to keep brand consistency.
- 動画翻訳： DupDub supports subtitle translation into 130+ multiple languages with lip-sync. One english video becomes finished videos for dozens of markets.
- AIライティング アシスタント: The ai writing tool generates scripts, marketing copy, and blog posts using GPT technology. Create content without writer’s block.
- 話す写真： Animate static images into talking photos for engaging content. The avatar creation tools work great for sharing stories and educational content.
- Realistic Voiceovers: DupDub’s ai voiceovers sound human like with realistic speech. Pick from an extensive range of natural sounding voiceovers in different voices.
- Transcription Capabilities: Auto-generate subtitles for screen recordings and audio files. The transcription tool saves hours on manual subtitle work.
What Our Team Noticed
Our writer signed up for dupdub and tested the platform across several voiceover projects. Here’s what stood out:
DupDubの長所と短所
✅ メリット
- 500+ ai voices across 90+ languages and accents
- AI avatar and talking photos creation included
- 短い音声サンプルからの音声クローン
- Video translation with sound effects in 130+ languages
- Intuitive interface that’s user friendly for beginners
❌ デメリット
- Credit-based system limits how much content you create
- 動画吹き替えにおけるリップシンクは完璧ではない
- Official dupdub website can be slow to load
- モバイルアプリなし — ブラウザ専用プラットフォーム
機能比較
Ready to see how Speechify and DupDub compare on key features?
We’ll break down 10 important areas to help you pick the right ai tool.
| 特徴 | スピーチファイ | ダップダブ |
|---|---|---|
| 開始価格 | 月額11.58ドル | 月額11ドル |
| 無料プラン | ✅ 限定 | ✅ 限定 |
| AI音声カウント | 200+ | 500+ |
| 光学文字認識 | ✅ | ❌ |
| AIアバター作成 | ❌ | ✅ |
| 音声クローン | ❌（スタジオのみ） | ✅ |
| ビデオ編集ツール | ❌ | ✅ |
| Android App & iOS | ✅ | ❌ |
| Chrome拡張機能 | ✅ | ❌ |
| 最適な用途 | 読書とリスニング | コンテンツ作成 |
1. AI音声生成
スピーチファイ： Offers 200+ premium voices that sound natural and human like. You can pick from different accents, multiple languages, and even celebrity voices. The high quality voices use advanced neural TTS to convert text into spoken words.
ダップダブ: Provides 500+ natural sounding ai voices in 90+ languages and accents. The ai voice generation produces realistic speech with multiple emotions. DupDub’s ai voiceovers work great for voiceover projects and promotional content.
2. AI音声クローン
スピーチファイ： Voice cloning is only available in Speechify Studio, which is a separate product with its own subscription. The main speechify app does not include voice cloning features.
ダップダブ: Voice cloning is built right into dupdub’s ai platform. Upload a short voice sample to create a cloned voice. The cloned voice works across different language outputs too.
3. テキスト読み上げの品質
スピーチファイ： Uses advanced neural TTS technology for the most natural sounding voices. The speechify text to speech engine handles pauses, emphasis, and pronunciation well with human like voices. Most users praise speechify for its user friendly interface and natural voices.
ダップダブ: Also produces human like voiceovers using its text to speech feature. The quality is solid for creating engaging content. However, some voices may lack the emotional depth that speechify’s premium voices offer.
4. AIによる吹き替えと翻訳
スピーチファイ： Offers ai dubbing as a separate Studio product. It can dub video content while keeping the original speaker’s voice. But this feature requires a different subscription from the main reader app.
ダップダブ: Video translation is built right into the main platform. It supports 130+ multiple languages with lip-sync matching. This makes it easy to localize video content for global audiences.
5. OCR Reader & Scan to Listen
スピーチファイ： Optical character recognition is one of speechify’s standout key features. Point your phone camera at any printed text, and speechify reads it aloud. Speechify can read both handwritten and typed text using ocr reader technology — invaluable for students.
ダップダブ: Does not have OCR scanning. You need to type or paste text into the platform. DupDub focuses on content creation rather than reading existing physical books.
⚠️ 警告： OCR accuracy depends on scan quality. Hold pages flat with good lighting for best speechify results.
6. AIアバターの作成
スピーチファイ： Does not offer ai avatar creation. Speechify is purely a text to speech reader. If you need talking avatars, you’ll need a separate ai tool.
ダップダブ: Create ai avatars that talk and show multiple emotions. You can customize hairstyles, outfits, and accessories. These avatars work great for marketing pitches and producing high quality videos without a camera.
7. ビデオ編集ツール
スピーチファイ： No video editing features. Speechify is designed for converting text into audio, not creating videos. You cannot add subtitles, background music, or effects inside the app.
ダップダブ: Includes built-in video editing with subtitles, background music, and sound effects. The video editing tools support screen recordings and adding subtitle translation. It’s a mini production studio that adds a professional touch to your finished videos.
8. プラットフォームへのアクセス
スピーチファイ： Available on iOS, android app, chrome extension, Edge, and マック. The mobile app is where speechify users really shine. Speechify allows users to listen offline, allowing users to enhance productivity during commutes and 旅行.
ダップダブ: Browser-based only. There is no mobile app. You need a computer and internet to use the platform. This limits portability compared to the speechify app.
9. API Access for Developers
スピーチファイ： Offers an API for developers to add text to speech to websites and apps. Partners like Medium use it. The API includes text highlighting, voice selection, and an iOS SDK.
ダップダブ: Also provides API access for enterprise users. The API supports voiceover generation and transcription capabilities. It’s available on higher-tier plans and custom enterprise quotes.
10. 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。
| プランの種類 | スピーチファイ | ダップダブ |
|---|---|---|
| 無料 | $0 (basic version) | 0ドル（クレジット数制限あり） |
| 入場料支払い済み | 月額11.58ドル（年間契約） | 月額11ドル |
| 中級 | 月額29ドル（月払い） | 月額30ドル |
| ハイティア | エンタープライズ（カスタム） | 月額110ドル |
スピーチファイ： The annual plan offers the best value at $11.58/month. But the monthly subscription jumps to $29/month. That’s a big price gap. Paid plans unlock unlimited reading with premium voices and additional features.
ダップダブ: 充実した機能を備えた個人プランは月額11ドルから。クレジット制なので、作成したコンテンツに応じて料金が発生します。有料プランには商用ライセンスが含まれており、クリエイターにとって大きなメリットとなります。
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| Listen to pdf documents and books | スピーチファイ | OCR + android app + offline |
| 動画のナレーションを作成する | ダップダブ | 500種類以上の音声と編集ツール |
| Talking avatars for content | ダップダブ | Avatar creation built in |
| 読書障害への支援 | スピーチファイ | Built for dyslexia & ADHD |
| Dub videos into different languages | ダップダブ | 130以上の言語への翻訳 |
| 外出先でもモバイルで音楽を楽しめる | スピーチファイ | iOS + android app + offline |
💰 あなたの予算
Both tools start near $11/month. DupDub is slightly cheaper at $11/month vs Speechify’s $11.58/month. If you pay Speechify monthly, it costs $29/month — nearly 3x more than DupDub’s entry plan.
🔌 あなたの技術スタック
Speechify has a chrome extension and android app that fit into any workflow. DupDub is browser-only, so it works best as a dedicated content creation station on your computer.
📝 コンテンツの目標
If you want to listen to written content, speechify is the clear pick. If you want to create content like videos and natural sounding voiceovers, dupdub is designed for that.
🎓 あなたの経験レベル
Speechify is beginner-friendly. Just press play and listen. DupDub has a steeper learning curve because of its many tools. But the intuitive interface keeps things organized.
🆓 無料トライアルとデモ
Both offer 3-day free trials. DupDub doesn’t need a credit card. Speechify may require one, so be ready to cancel before the trial ends to avoid charges.
🛟 サポートオプション
Speechifyは強力なカスタマーサポートと大規模なユーザーコミュニティを誇っています。DupDubはヘルプセンターの記事とメールサポートを提供しています。どちらもほとんどのユーザーにとって十分なサポートを提供しています。
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DupDubに切り替えますか？
✅ 得られるもの：
- AIアバター作成としゃべる写真
- 別途契約不要の音声クローン機能内蔵
- 130以上の言語での動画翻訳と吹き替え
❌ 失うもの：
- OCR reader for scanning physical books and printed text
- iOSとAndroidに対応したオフライン再生機能付きモバイルアプリ
- ウェブページを読み上げるChrome拡張機能
📋切り替え方法：
- Cancel your speechify monthly subscription through your app store settings
- Sign up for a free dupdub account on the official dupdub website
- Start the free trial and test the ai voice generation with free credits
🔄 DupDubからSpeechifyに切り替えますか？
✅ 得られるもの：
- Android app and iOS apps with offline listening
- OCR reader to turn physical books into audio files
- Chrome extension that reads any web page 即座に
❌ 失うもの：
- AI avatar creation and talking photos features
- Video editing tools and subtitle generation
- 別途Studioサブスクリプションなしで音声クローンを作成
📋切り替え方法：
- Cancel your dupdub subscription within 3 days for a refund
- Download the speechify app from App Store or Google Play
- Start the 3-day free trial and import text from your library
What Our Review Didn’t Cover
This comparison focused on individual users and small creators. We didn’t test enterprise SSO or bulk licensing for either platform. Our observations come from the March 2026 versions, so features may have changed. If you’re managing large teams or have specialized academic research needs, your priorities may differ.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | ダップダブ |
| 🎯 音声品質 | スピーチファイ |
| 🚀 コンテンツ作成ツール | ダップダブ |
| ⚡使いやすさ | スピーチファイ |
| 📱 モバイル体験 | スピーチファイ |
| 🌐 言語サポート | ダップダブ |
| 🔌 プラットフォームへのアクセス | スピーチファイ |
| 🏆総合優勝 | スピーチファイ |
🏆 受賞者：Speechify
Speechifyは7部門中4部門で受賞した。
最適な用途: Auditory learners, people with reading disabilities, students, and professionals who want to enhance productivity through text to speech
SpeechifyとDupDubは、全く異なる目的で使用されます。
Speechify lets you convert text into spoken audio for daily reading and learning.
Its android app, OCR scanning, and offline mode make it perfect for day to day life.
DupDub is excellent for creators who need ai voiceovers, talking avatars, and video translation.
However, if you need an all-around speechify text replacement for reading and listening, Speechify wins.
Now, go turn your reading list into your listening playlist!
Speechifyの比較
Here’s how speechify stacks up against other text to speech competitors:
Speechify vs Murf AI
Speechifyが勝利した点： Android app, OCR reader, reading experience
Murf AIが勝利した点： スタジオ品質のナレーション、コマーシャル音声生成
Speechify vs Play.ht
Speechifyが勝利した点： 使いやすさ、オフライン再生、テキストハイライト
Play.htが勝利した点： API features, podcast creation, voice cloning
Speechify vs Lovo
Speechifyが勝利した点： 読書速度制御、クロスプラットフォーム同期
Lovoが勝利した点： ビデオ制作、AIアート生成
Speechify vs 説明
Speechifyが勝利した点： Text to speech quality, accessibility features
説明文が勝つ点： 動画編集、ポッドキャスト制作、文字起こし
Speechify vs ElevenLabs
Speechifyが勝利した点： Reading experience, OCR reader, mobile apps
ElevenLabsが勝利した点： 音声クローンの品質、API機能、開発者ツール
Speechify vs ナチュラルリーダー
Speechifyが勝利した点： 音声品質、速度制御、OCRスキャン
NaturalReaderが優れている点： よりシンプルな料金体系、デスクトップアプリ
DupDubの比較をもっと見る
Here’s how dupdub stacks up against other competitors:
DupDub vs Murf AI
DupDubが勝利した項目： アバター作成、動画翻訳、価格
Murf AIが勝利した点： 音声品質、エンタープライズ機能、連携機能
DupDub vs Descript
DupDubが勝利した項目： AIアバター、音声カウント、翻訳機能
説明文が勝つ点： 動画編集機能、ポッドキャストツール、文字起こし
DupDub vs ElevenLabs
DupDubが勝利した項目： All in one platform, avatars, video features
ElevenLabsが勝利した点： Voice clone quality, developer API, sound effects
DupDub vs Play.ht
DupDubが勝利した項目： Creating videos, avatar feature, dubbing
Play.htが勝利した点： 音声クローン精度、ポッドキャストツール、API
DupDub vs Lovo
DupDubが勝利した項目： 価格、アバター作成、翻訳言語
Lovoが勝利した点： AIアート、ビデオ制作品質、音声感情
DupDub vs TTS OpenAI
DupDubが勝利した項目： ノーコードインターフェース、アバター、ビデオ編集
OpenAIの音声合成技術における勝利点： 音声のリアリズム、開発者ツール、利用ごとのコスト
よくある質問
Speechifyは本当に無料ですか？
Speechify offers a free version with basic features and non hd voices. Premium voices, advanced features, and high quality audio require a paid speechify premium subscription starting at $11.58/month.
DupDubを無料で入手するにはどうすればいいですか？
Sign up on the official dupdub website for a 3-day free trial with about 10 credits. No credit card needed. After the trial, a limited free plan stays available.
Speechifyよりも優れたものは何ですか？
DupDub is better for content creation with ai avatars and video translation. ElevenLabs wins on voice cloning. NaturalReader is a simpler, cheaper alternative for basic text to speech needs.
DupDub の料金はいくらですか?
DupDub starts at $11/month for the Personal plan. Professional costs $30/month and Ultimate is $110/month. All paid plans include commercial licenses for compelling content production.
Speechifyは本当に価値があるのか？
Speechify is worth it if you have reading disabilities or read pdf documents daily. The $139/year price gives you premium voices and ocr reader access. Casual users may prefer free alternatives.
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