

📊 Our Test Results:
- 🎯 音声品質: Speechify 4/5 vs Hume AI 4.5/5 — Hume AI wins
- ⚡ 使いやすさ: Speechify 5/5 vs Hume AI 3/5 — Speechify wins
- 🔒 プラットフォームサポート: Speechify 5/5 vs Hume AI 2/5 — Speechify wins
- 📝 Content Formats: Speechify 5/5 vs Hume AI 3/5 — Speechify wins
- 💰 価格に見合う価値: Speechify 3.5/5 vs Hume AI 4/5 — Hume AI wins

Are you struggling to pick the right AI voice tool for your needs?
Two major names in AI voice technology are Speechify and Hume AI.
One turns 文章 into natural audio for everyday listening.
The other creates emotion-aware voices for developers and creators.
They target very different users with very different goals.
In this head-to-head matchup, we break down everything that matters.
By the end, you will know exactly which tool fits your workflow.
概要
To give you the most accurate comparison, we tested both Speechify vs Hume AI hands-on.
We spent weeks using each platform across real projects.
We tested voice quality, speed, pricing, and everyday usability.
We are sharing our firsthand experience to help you make the right choice.
Speechifyとは何ですか?
Speechify is a text-to-speech app that reads written text aloud using AI voices.
It works on iOS, Android, Chrome, and マック.
You can listen to PDFs, articles, emails, and even physical books.
The app uses optical character recognition to scan printed text and images.
Speechify supports over 60 languages with 200+ AI voices.
It was built by a founder with dyslexia to help people read more easily.

スピーチファイ
Speechify is the #1 rated text-to-speech app. It turns any document, article, or web page into natural-sounding audio. Listen at speeds up to 900 WPM on any device.
Speechifyの価格
Here is what Speechify costs in 2026.
Let’s break it down plan by plan.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 限定 | 月額0ドル | Testing basic features |
| 年間 | 月額11.58ドル | Daily listeners on a budget |
| 毎月 | 月額29ドル | Short-term or flexible use |

無料トライアル: Yes, 3-day free trial. Credit card is required to start.
返金保証: Speechify does not offer a standard money-back guarantee. Users report difficulty getting refunds after the trial auto-renews.
📌 注記: The annual plan saves you about 60% compared to paying monthly. Premium unlocks all 200+ voices, offline mode, and unlimited listening.
⚠️ Warning: Many users report auto-renewal charges after the 3-day trial. Set a reminder to cancel before day 3 if you are still deciding.
Key Benefits of Speechify
Here is why Speechify stands out from other text-to-speech apps:
- クロスプラットフォームアクセス: Use Speechify on your iPhone, Android phone, Chrome browser, and Mac. Your library syncs across all デバイス 自動的に。
- OCR Scanning: Point your phone camera at a printed page. Speechify reads it aloud in seconds using optical character recognition.
- Speed Control: Adjust listening speed from slow to 900 words per minute. Most users find 200-400 WPM the sweet spot for learning.
- Text Highlighting: Words highlight in real time as they are read. This helps with focus and retention, especially for people with dyslexia.
- Offline Mode: Download content and listen without an internet connection. Great for commutes and 旅行.
- Wide Format Support: Import PDFs, web pages, Google Docs, emails, and even scanned books. Speechify handles them all.

Speechify Pros & Cons
✅ Pros
- Works on every major platform with auto-sync
- 200+ voices in 60+ languages sound natural
- OCR turns physical books into audiobooks
- Real-time text highlighting boosts retention
- Dead-simple interface anyone can use
❌ Cons
- $139/year feels steep for a reading app
- Speeds above 500 WPM are hard to understand
- Free plan is very limited in voices and features
- Auto-renewal billing catches many users off guard
Hume AIとは何ですか?
Hume AI is an emotion-aware voice platform built for developers and content creators.
It does not just read text aloud.
It understands the meaning behind words and adds real emotional expression.
The platform is powered by Octave, a voice-based language model.
Octave predicts the right tone, ピッチ, and cadence for every sentence.
Hume AI also includes EVI, an empathic voice interface for real-time conversations.
It was founded by Dr. Alan Cowen, a cognitive scientist who studies human emotions.

ヒュームAI
Hume AI creates emotionally expressive AI voices. Its Octave TTS engine reads context and adds real feeling to every word. Perfect for apps, audiobooks, and conversational AI agents.
Hume AIの価格
Here is what Hume AI costs in 2026.
It uses a tiered model with plans for every budget.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | Testing the API (10K characters) |
| スターター | $3 | Hobbyists and learners |
| クリエイター | $14 | Podcasters and audiobook makers |
| プロ | $70 | Developers building apps |
| 規模 | $200 | Growing teams and startups |
| 仕事 | $500 | High-volume production |
| 企業 | 営業担当者へのお問い合わせ | 大規模組織 |

無料トライアル: Yes, the free plan gives you 10,000 characters per month with no credit card needed.
返金保証: No official money-back policy listed. Cancel anytime through your account dashboard.
📌 注記: The Creator plan ($14/month) is the most popular choice. It includes unlimited 音声クローン, 140,000 characters, and a commercial license.
⚠️ Warning: Watch your usage. If you go over your character limit, overage charges apply. Rates drop on higher plans but can still add up fast.
Key Benefits of Hume AI
Here is why Hume AI is different from every other voice tool:
- Emotion-Aware Speech: Octave reads the meaning of your text. It adds real emotion, pauses, and emphasis without manual tweaking.
- 音声クローニング: Upload a 15-second audio sample. Hume AI creates a clone of that voice in minutes. Unlimited cloning starts at the Creator plan.
- EVI 3 for Real-Time Chat: Build AI agents that listen, understand tone, and respond with empathy. EVI 3 runs at sub-200ms latency.
- Developer-Friendly API: Full REST API and SDKs let you plug Hume AI into any app. Great for SaaS products and custom workflows.
- Expression Measurement: Hume AI can analyze voice tone, facial expressions, and text to detect emotions. No other TTS tool offers this.
- 手頃な価格のエントリーポイント: Start at $3/month. The Creator plan at $14/month includes everything most creators need.

Hume AI Pros & Cons
✅ Pros
- Most expressive AI voices on the market
- Voice cloning from just 15 seconds of audio
- Affordable pricing starts at $3/month
- Powerful API for custom アプリ開発
- Real-time emotion detection in voice and video
❌ Cons
- Steep learning curve for non-technical users
- No mobile app or browser extension for listening
- Only supports 11 languages (fewer than rivals)
- Overage charges can surprise you if usage spikes
機能比較
Ready to dive into a detailed comparison of Speechify vs Hume AI?
We will explore 10 key features to help you pick the right tool.
| 特徴 | スピーチファイ | ヒュームAI |
|---|---|---|
| 開始価格 | 月額11.58ドル | $3 /月 |
| 無料プラン | ✅ (Limited) | ✅ (10K chars) |
| 音声品質 | Natural HD Voices | Emotion-Aware Voices |
| 音声クローン | ❌ | ✅ (15-sec samples) |
| OCR Scanning | ✅ | ❌ |
| モバイルアプリ | ✅ iOS & アンドロイド | ❌ |
| Chrome拡張機能 | ✅ | ❌ |
| APIアクセス | ✅ (Studio) | ✅ (Full REST API) |
| 言語 | 60+ | 11 |
| 最適な用途 | Listeners & readers | Developers & creators |
1. AI Voice Quality
スピーチファイ: Speechify offers over 200 AI voices that sound clear and human-like. The premium voices handle long documents well with consistent pronunciation. They are great for listening but lack emotional depth.

ヒュームAI: Hume AI voices feel alive. The Octave engine reads context and adds real emotion to every sentence. A sad paragraph sounds sad. A happy line sounds upbeat. No other tool does this at the same level.

2. Voice Cloning
スピーチファイ: Speechify does not offer voice cloning on its main reading app. You choose from pre-made voices. The Speechify Studio product has some cloning features but targets a different audience.
ヒュームAI: Upload just 15 seconds of audio and Hume AI clones that voice. It works across all 11 supported languages. Unlimited cloning is included from the Creator plan ($14/month) and up.

3. 使いやすさ
スピーチファイ: Speechify wins here by a wide margin. Install the app, paste or scan text, and press play. No coding. No setup. Anyone can use it in under 2 minutes.
ヒュームAI: Hume AI is built for developers. You interact through an API dashboard, write prompts, and configure voice settings. Beginners will find the learning curve steep.
⚠️ Warning: If you are not comfortable with APIs and dashboards, Hume AI will feel overwhelming at first. Speechify is the no-brainer pick for non-technical users.
4. Platform Support
スピーチファイ: Speechify runs on iOS, Android, Chrome, Edge, Safari, and Mac. Your reading library and progress sync across every device. It goes wherever you go.

ヒュームAI: Hume AI is a web-based platform and API. There is no mobile app for listening. There is no browser extension. You access everything through the website or your own code.
5. Content Format Support
スピーチファイ: Import PDFs, web pages, Google Docs, emails, ebooks, and even scan physical pages. Speechify handles almost any text format you throw at it.

ヒュームAI: Hume AI takes plain text or script input through its API. It does not scan documents, import PDFs, or grab content from web pages. You must provide the text yourself.
6. 言語サポート
スピーチファイ: Speechify supports over 60 languages with natural-sounding voices. This makes it a great choice for language learners and multilingual readers.
ヒュームAI: Hume AI currently supports 11 languages. These include English, Spanish, French, German, Japanese, Korean, and Arabic. More languages are coming soon, but the gap is real today.
7. Emotion and Expression
スピーチファイ: Speechify voices are clear and pleasant. But they read text in a flat, consistent tone. There is no emotion detection or context-based expression.
ヒュームAI: This is where Hume AI shines. It detects emotion in text and adjusts pitch, speed, and tone in real time. An angry character sounds angry. A gentle narrator sounds gentle.

8. API and Developer Tools
スピーチファイ: Speechify offers an API through its Studio product. It is used by sites like Medium.com. But the core reading app is consumer-focused, not developer-focused.
ヒュームAI: Hume AI was built API-first. Full REST API, streaming support, SDKs, and webhooks. If you are building an AIアプリ, Hume AI gives you all the tools you need.

9. ユースケース
スピーチファイ: Best for students, professionals, and anyone who wants to listen instead of read. It turns your daily reading into audio. Think of it as a personal audiobook maker.

ヒュームAI: Best for developers, AI 建設業者, and content creators. It powers チャットボット, audiobooks, podcasts, gaming NPCs, and customer service agents with emotional depth.

10. Pricing & Cost
Let’s compare the pricing plans side by side.
| Plan Level | スピーチファイ | ヒュームAI |
|---|---|---|
| 無料 | $0/month (limited) | $0 (10K chars) |
| Entry Paid | $11.58/month (annual) | $3/month (Starter) |
| Mid-Tier | $29/month (monthly) | $14/month (Creator) |
| Pro/High | 該当なし | $70-$500/month |
| 企業 | カスタム | 営業担当者へのお問い合わせ |
スピーチファイ: The annual plan works out to $11.58/month ($139/year). Monthly billing costs $29. You get unlimited listening, all voices, and offline mode. Simple but not cheap for a reading app.
ヒュームAI: You can start for free or pay just $3/month. The Creator plan at $14/month is the sweet spot for most people. It includes unlimited voice cloning and a commercial license. Higher tiers scale for teams and enterprises.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Listen to documents daily | スピーチファイ | Built for everyday reading |
| Build an AI voice app | ヒュームAI | Full API and SDK access |
| Emotional voice output | ヒュームAI | Context-aware expression |
| Mobile listening on the go | スピーチファイ | iOS and Android apps |
| Lowest entry price | ヒュームAI | Starts at $3/month |
| Read physical books aloud | スピーチファイ | OCR camera scanning |
💰 Your Budget
Hume AI starts at $3/month. Speechify costs $11.58/month on the annual plan. If budget is tight, Hume AI gives you more at a lower price point.
🔌 Your Tech Stack
If you build apps or use APIs, Hume AI fits right in. If you just want to hit play and listen, Speechify works with zero setup.
📝 Your Content Type
Speechify handles PDFs, emails, articles, and scanned books. Hume AI takes plain text and scripts. Pick based on what you need to convert.
🎓 Your Experience Level
Beginners should pick Speechify. It is the easier tool by far. Developers and tech-savvy users will get more value from Hume AI’s powerful features.
🆓 Free Trials and Demos
Both tools offer free plans. Speechify gives a 3-day trial of premium features. Hume AI gives 10,000 free characters per month with no time limit.
🛟 Support Options
Speechify offers in-app support and email. Hume AI provides documentation, email support, and dedicated onboarding on higher-tier plans.
Switching Guide
Already using one of these tools? Here is what to expect if you switch.
🔄 Switching from Speechify to Hume AI?
✅ What you’ll gain:
- Emotion-aware voices that match your content’s mood
- Voice cloning from just 15 seconds of audio
- Full API access for custom integrations
❌ What you’ll lose:
- Mobile apps for iOS and Android
- OCR scanning of physical books and images
- Offline listening mode
📋 How to switch:
- Cancel your Speechify subscription before the next billing cycle
- Create a free Hume AI account at hume.ai
- Paste your text into the Hume AI dashboard or connect via API
🔄 Switching from Hume AI to Speechify?
✅ What you’ll gain:
- Easy mobile and desktop apps with one-tap playback
- OCR scanning to turn physical pages into audio
- 60+ languages compared to Hume AI’s 11
❌ What you’ll lose:
- Emotionally expressive voice output
- Voice cloning and custom voice creation
- Developer API for building custom apps
📋 How to switch:
- Cancel your Hume AI subscription from the dashboard
- Download the Speechify app on your phone or install the Chrome extension
- Import your documents and start listening right away
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | ヒュームAI |
| 🚀 Voice Quality | ヒュームAI |
| ⚡ Ease of Use | スピーチファイ |
| 🎯 Platform Support | スピーチファイ |
| 👶 Content Formats | スピーチファイ |
| 🔌 Developer Tools | ヒュームAI |
| 🌍 Language Support | スピーチファイ |
| 🏆 Overall Winner | スピーチファイ |
🏆 WINNER: Speechify
Speechify wins 4 out of 7 categories.
Best for: Students, professionals, readers with disabilities, and anyone who wants to listen instead of read.
Speechify and Hume AI serve completely different audiences.
Speechify is a personal reading assistant that works on every device.
Hume AI is a developer platform for building emotion-aware voice experiences.
Hume AI is excellent for creators who need expressive, cloned voices.
However, if you need a tool that turns any text into audio with zero effort, Speechify is the better choice.
Now, go out and start listening smarter!
More of Speechify Compared
Here’s how Speechify stacks up against other competitors:
Speechify vs マーフ 人工知能
Speechify wins on: Mobile apps, OCR scanning, offline listening
Murf AI wins on: Studio-grade voiceovers, video editing integration
Speechify vs Play.ht
Speechify wins on: Ease of use, cross-platform sync, document import
Play.ht wins on: Voice cloning, ポッドキャスト hosting, API flexibility
Speechify vs ロボ
Speechify wins on: Reading experience, OCR, browser extension
Lovo wins on: Video voiceovers, subtitle generation, content creation
Speechify vs 説明
Speechify wins on: Text-to-speech speed, mobile access, PDF import
Descript wins on: Video editing, transcription, podcast production
Speechify vs イレブンラボ
Speechify wins on: Everyday listening, platform support, OCR
ElevenLabs wins on: Voice realism, cloning quality, 29+ languages
Speechify vs リスト番号
Speechify wins on: Reading app experience, speed control, OCR
Listnr wins on: Podcast conversion, audio widget embedding
Speechify vs ポッドキャスト
Speechify wins on: Document reading, mobile apps, offline mode
Podcastle wins on: Podcast recording, AI editing, collaboration
Speechify vs ダプダブ
Speechify wins on: Reading speed, cross-device sync, OCR scanning
Dupdub wins on: AI avatars, video dubbing, digital human creation
Speechify vs ウェルサイドラボ
Speechify wins on: Consumer-friendly design, mobile listening
WellSaid Labs wins on: Enterprise voice production, brand voice control
Speechify wins on: Platform support, speed control, document import
Revoicer wins on: One-time pricing, emotion voice options
Speechify wins on: Personal use, mobile apps, OCR scanning
ReadSpeaker wins on: Enterprise accessibility, education deployment
Speechify wins on: OCR scanning, speed range, device sync
NaturalReader wins on: Lower pricing, simpler free plan
Speechify wins on: Ease of use, everyday reading, mobile apps
Altered wins on: Voice transformation, audio production tools
Speechify wins on: Platform support, reading experience, updates
Speechelo wins on: One-time payment, simple voiceover creation
Speechify vs TTS OpenAI
Speechify wins on: User-friendly app, document scanning, offline mode
TTS OpenAI wins on: Voice realism, API integration, developer tools
More of Hume AI Compared
Here’s how Hume AI stacks up against other competitors:
ヒュームAI vs TTSOpenAI
Hume AI wins on: Emotional expression, voice cloning, EVI interface
TTSOpenAI wins on: Voice realism, simplicity, チャットGPT 統合
Hume AI wins on: Emotion-aware voices, API access, voice cloning
Murf wins on: Video voiceover studio, ease of use, templates
Hume AI wins on: Emotional depth, real-time voice interface, API
Descript wins on: Video editing, transcription, all-in-one production
Hume AI wins on: Emotion detection, expression measurement, lower cost
ElevenLabs wins on: Voice realism, 29+ languages, dubbing studio
Hume AI vs Play.ht
Hume AI wins on: Context-aware expression, EVI for real-time chat
Play.ht wins on: Podcast hosting, audio widget, blog-to-audio
Hume AI vs Lovo
Hume AI wins on: Emotional AI, developer tools, voice cloning depth
Lovo wins on: Video creation, subtitle generation, 100+ voices
Hume AI wins on: Emotional expression, API flexibility, voice cloning
Listnr wins on: Podcast tools, audio embedding, ease of use
Hume AI wins on: Emotion AI, developer SDK, real-time voice
Podcastle wins on: Podcast recording, AI editing, collaboration
Hume AI wins on: Emotional voice depth, API tools, expression analysis
Dupdub wins on: AI avatars, video dubbing, digital human creation
Hume AI vs WellSaid Labs
Hume AI wins on: Emotion-aware output, lower pricing, open API
WellSaid Labs wins on: Enterprise brand voices, team collaboration
Hume AI vs Revoicer
Hume AI wins on: Advanced emotion AI, voice cloning, API access
Revoicer wins on: One-time pricing, simple interface
Hume AI vs ReadSpeaker
Hume AI wins on: Emotional expression, developer tools, pricing
ReadSpeaker wins on: Enterprise accessibility, education deployment
Hume AI vs NaturalReader
Hume AI wins on: Emotion AI, voice cloning, API integration
NaturalReader wins on: Simplicity, free plan quality, PDF reading
Hume AI vs Altered
Hume AI wins on: Emotional depth, real-time EVI, expression analysis
Altered wins on: Voice transformation, audio production workflow
Hume AI vs Speechelo
Hume AI wins on: Voice quality, emotion AI, ongoing updates
Speechelo wins on: One-time payment, beginner-friendly interface
よくある質問
Is Speechify actually free?
Speechify has a free plan with limited voices and features. The premium plan costs $139/year ($11.58/month). A 3-day free trial is available but requires a credit card.
What is better than Speechify?
It depends on your needs. For emotional voice output and voice cloning, Hume AI is better. For everyday reading and listening, Speechify is still the top choice. ElevenLabs is another strong option for voice generation.
How much does Hume AI cost?
Hume AI has a free plan with 10,000 characters per month. Paid plans start at $3/month (Starter) and go up to $500/month (Business). Enterprise pricing is custom.
What is Hume AI used for?
Hume AI creates emotionally expressive AI voices for apps, audiobooks, podcasts, and customer service agents. It also detects emotion in voice, video, and text データ through its Expression Measurement API.
Is Speechify or Hume AI better for students?
Speechify is much better for students. It reads PDFs, articles, and textbooks aloud on any device. Hume AI is designed for developers and content creators, not casual reading.













