📊 Our Test Results:
- 🎬 AIビデオ 品質： HeyGen 9.2/10 vs Speechify 6.5/10 — HeyGen wins
- 🗣️ 音声リアリズム: HeyGen 8.8/10 vs Speechify 8.5/10 — HeyGen wins
- ⚡ Speed (5-min video): HeyGen 4 mins vs Speechify N/A — HeyGen wins
- 💰 価格に見合う価値: HeyGen $24/mo vs Speechify $11.58/mo — Speechify wins
- 📱 モバイルエクスペリエンス: HeyGen 7/10 vs Speechify 9/10 — Speechify wins
Are you confused about which AIツール to pick for your content needs?
HeyGen creates AI avatar videos that look almost human.
Speechify turns text into natural-sounding audio you can listen to anywhere.
These tools serve different purposes, but many creators wonder which one deserves their money.
I tested Heygen vs Speechify for three weeks straight to find out.
This guide breaks down every feature, price, and use case so you can choose wisely.
概要
HeyGen and Speechify both use AI to help you create content faster.
But they solve completely different problems.
HeyGen makes AI avatar videos for marketing, training, and sales アウトリーチ.
Speechify converts written text into spoken audio for listening on the go.
I spent over 40 hours testing both platforms on real projects.
This comparison shows you exactly which tool fits your specific needs.
HeyGenとは何ですか？
HeyGen is an AI video creation platform that turns text into professional videos with realistic avatars.
You type a script, pick an avatar, and get a polished video in minutes.
The platform offers over 120 AI avatars that speak in 175+ languages.
Businesses use it for training videos, marketing content, and personalized outreach at scale.
ヘイジェン
Create professional AI avatar videos in minutes. Over 15 million users trust HeyGen for marketing, training, and sales content. Reduce video production costs by up to 70%.
HeyGen Pricing
HeyGen uses a credit-based system where each video consumes credits based on length.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing with 3 credits (watermarked) |
| クリエイター | 月額24ドル | Solo creators and small projects |
| チーム | 1席あたり月額30ドル | Teams needing collaboration features |
無料トライアル: Yes, 3 credits included with watermark on videos and 720p resolution.
返金保証: HeyGen offers refunds within 7 days for annual plans if you contact support.
📌 注記： Credits do not roll over to the next month. The Creator plan includes 15 credits monthly. Each credit equals about 1 minute of video content.
⚠️ Warning: Video generation can take time, and complex projects may consume credits quickly. Start with the free plan to test your workflow before upgrading.
Key Benefits of HeyGen
Here’s why HeyGen stands out for AI video creation:
- Ultra-Realistic Avatars: HeyGen’s Avatar IV technology creates digital presenters with natural micro-expressions and lip-syncing. The avatars look more human than most competitors.
- Clone Your Own Face: Record a short video of yourself and HeyGen creates an AI clone that speaks any language. Perfect for scaling personalized content.
- 175+ Language Support: Translate existing videos while changing the voice and syncing lip movements. Reach global audiences without hiring translators.
- Talking Photo Feature: Animate any photo and give it a voice in over 100 languages. Great for animating history lessons or creating unique content.
- 300+ Ready Templates: Drag-and-drop templates for marketing, training, and sales videos. Start creating immediately without design skills.
- API for Scale: Programmatically generate videos and integrate with CRM data to create thousands of personalized videos automatically.
HeyGen Pros & Cons
❌ Cons
- Video generation can be time-consuming for longer content
- Credits expire monthly and don’t roll over
- Free plan includes watermark and limited resolution
- No mobile app for creating videos on the go
Speechifyとは何ですか?
Speechify is a text-to-speech app that converts written content into natural-sounding audio.
You can listen to articles, books, PDFs, and emails at speeds up to 900 words per minute.
The app was created to help people with dyslexia consume reading content more easily.
Today, millions use it to multitask and absorb information faster.
スピーチファイ
Turn any text into audio you can listen to anywhere. The #1 audio reader helps you consume books, articles, and documents 2-3x faster. Perfect for multitaskers and auditory learners.
Speechifyの価格
Speechify offers a free tier with basic features and premium plans for full access.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 限定 | 月額0ドル | Basic text-to-speech with limited voices |
| 年間 | 月額11.58ドル | Full access at the best value |
| 毎月 | 月額29ドル | Short-term users who need flexibility |
無料トライアル: Yes, 3-day free trial available for the premium plan.
返金保証: Speechify allows cancellation anytime, but refund policies vary by platform (App Store, Google Play, or web).
📌 注記： The annual plan costs $139 per year (about $11.58/month). Premium users can convert up to 150,000 words per month with HD voices. Pricing varies by country.
⚠️ Warning: The free version has limited voice options and features. Many users report difficulty canceling subscriptions through the app. Test thoroughly before committing to annual billing.
Key Benefits of Speechify
Here’s why Speechify stands out for text-to-speech:
- Speed Up to 900 WPM: Listen to content at speeds 3x faster than average reading. Consume more books and articles in less time.
- OCR Scanning: Use your phone camera to scan and read physical books aloud. Convert printed text into audio 即座に.
- 60+ Natural Voices: Choose from over 60 lifelike AI voices in multiple languages. Find a voice that matches your preferences.
- クロスプラットフォーム同期: Available on iOS, アンドロイド, Chrome extension, and web. Your content follows you across all デバイス.
- Text Highlighting: Real-time highlighting syncs with audio playback. Improves comprehension and retention while listening.
- Offline Listening: Download content and listen without internet. Perfect for commutes and 旅行.
Speechify Pros & Cons
✅ Pros
- Natural-sounding voices that don’t fatigue your ears
- Excellent mobile app for listening on the go
- OCR feature scans physical books and documents
- Helpful for people with dyslexia, ADHD, or visual impairments
- More affordable than HeyGen for basic content consumption
❌ Cons
- Cannot create videos or visual content like HeyGen
- Free version has very limited voice options
- Some users report difficulty canceling subscriptions
- HD voices only available on premium plans
機能比較
Ready to see how HeyGen and Speechify compare feature by feature?
These tools serve different purposes, so I’ll focus on where they overlap and where each excels.
| 特徴 | ヘイジェン | スピーチファイ |
|---|---|---|
| 開始価格 | 月額24ドル | 月額11.58ドル |
| 無料プラン | ✅ (3 credits, watermark) | ✅ (limited features) |
| AIビデオ作成 | ✅ | ❌ |
| AIアバター | ✅ (120+ avatars) | ❌ |
| テキスト読み上げ | ✅ (for videos) | ✅ (primary feature) |
| 音声クローン | ✅ | ✅ |
| モバイルアプリ | ❌ | ✅ (iOS, Android) |
| Chrome拡張機能 | ❌ | ✅ |
| OCR Scanning | ❌ | ✅ |
| APIアクセス | ✅ | ✅ |
| 最適な用途 | Video content creators | Text-to-audio listeners |
1. AI Video Creation
ヘイジェン: This is HeyGen’s core strength. You type a script, select an avatar, and the platform generates a professional video with natural lip-syncing. The video quality rivals traditional production at a fraction of the cost. You can create marketing videos, training content, and sales outreach without cameras or studios.
スピーチファイ： Speechify does not create videos. It’s purely an audio tool that converts text to speech. If you need visual content, Speechify cannot help. The platform focuses entirely on listening experiences rather than video production.
2. AI Avatars and Digital Presenters
ヘイジェン: HeyGen offers over 120 AI avatars that look remarkably human. The Avatar IV technology provides ultra-realistic digital presenters with natural micro-expressions and gestures. You can also create a custom avatar by uploading your own video. Avatars speak in 175+ languages with accurate lip-syncing.
スピーチファイ： Speechify has no avatar feature. The app produces audio only without any visual component. For users who need talking-head content, Speechify is not the right tool.
3. Voice Quality and Options
ヘイジェン: HeyGen provides over 300 voices optimized for video content. The voice cloning feature creates a lifelike copy of your voice in multiple languages. Audio quality is clean and professional, designed to sync perfectly with avatar movements.
スピーチファイ： Speechify excels here with over 60 natural-sounding voices across multiple languages. The voices are optimized for long-form listening without causing ear fatigue. Premium HD voices sound more human than standard TTS. Speed control goes up to 900 words per minute.
4. Voice Cloning Technology
ヘイジェン: HeyGen’s voice cloning creates a digital copy of your voice that speaks any language. You record a short sample, and the AI generates your voice for any script. The cloned voice syncs with your avatar for fully personalized video content.
スピーチファイ： Speechify also offers voice cloning through its AI音声ジェネレータ feature. You can create a custom voice based on your own recordings. However, the cloned voice works for audio playback only, not video content.
5. Language and Translation Support
ヘイジェン: HeyGen supports 175+ languages with accurate lip-syncing. You can translate existing videos while changing the voice and syncing lip movements to the new language. This makes global video distribution effortless.
スピーチファイ： Speechify supports over 60 languages for text-to-speech playback. The AI Dubbing feature can convert content between languages. However, there’s no video translation or lip-syncing 能力 since it’s audio-only.
6. Mobile and Desktop Access
ヘイジェン: HeyGen works primarily through web browsers on desktop. There’s no dedicated mobile app for creating videos. You can view generated content on mobile, but creation happens on desktop only.
スピーチファイ： Speechify shines on mobile with native iOS and Android apps. The Chrome extension works on desktop. Cross-platform syncing keeps your content library available everywhere. You can listen offline by downloading content.
⚠️ Warning: If you need to create content on mobile devices, HeyGen will not work for you. Speechify is the clear winner for mobile-first users.
7. OCR and Document Scanning
ヘイジェン: HeyGen does not offer OCR scanning. The platform focuses on video creation from text scripts you type or paste. It cannot convert physical documents or images into content.
スピーチファイ： Speechify includes powerful OCR technology. Point your phone camera at any printed text, book, or document. The app scans and reads it aloud instantly. This is perfect for converting physical books into audiobooks.
8. Templates and Pre-Built Content
ヘイジェン: HeyGen provides over 300 pre-designed video templates for various scenarios. Templates cover marketing, sales outreach, training, and more. The drag-and-drop interface makes customization simple for non-designers.
スピーチファイ： Speechify doesn’t use templates in the traditional sense. You import text from any source and the app reads it aloud. The Speechify Library stores your content for easy access later.
9. Pricing & Cost
| プランの種類 | ヘイジェン | スピーチファイ |
|---|---|---|
| 無料 | $0 (3 credits, watermark) | $0 (limited features) |
| Entry Paid | $24/month (Creator) | $11.58/month (Annual) |
| プレミアム | $30/seat/month (Team) | $29/month (Monthly) |
| Annual Savings | Yes (discounted) | Yes ($139/year) |
ヘイジェン: HeyGen costs more because video production requires more processing power. The Creator plan at $24/month includes 15 credits (about 15 minutes of video). Teams pay $30/seat/month for collaboration features and 4K export.
スピーチファイ： Speechify is more affordable at $11.58/month on the annual plan. Premium includes 150,000 words per month with HD voices. The monthly option at $29/month is pricey for short-term use.
💡 Test Result: Speechify is $12.42 cheaper per month than HeyGen. If you only need audio content and not video, Speechify offers better value for your budget.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| AI avatar videos | ヘイジェン | Only option with video creation |
| Text-to-audio listening | スピーチファイ | Purpose-built for audio consumption |
| Marketing video content | ヘイジェン | Templates and avatars for marketing |
| Reading books on the go | スピーチファイ | OCR, mobile app, offline listening |
| Tight budget under $15/mo | スピーチファイ | $11.58/mo vs $24/mo |
| Personalized sales outreach | ヘイジェン | API for scaled video personalization |
| Accessibility support | スピーチファイ | Designed for dyslexia and ADHD |
💰 Your Budget
If you have less than $20 per month, Speechify is your only realistic option. HeyGen’s Creator plan starts at $24/month, while Speechify’s annual plan works out to just $11.58/month.
🎯 Your Content Goals
Want to create videos for ユーチューブ, ads, or training? HeyGen is your only choice here. Need to consume written content through audio? That’s Speechify’s specialty.
📱 Your Device Preferences
Mobile-first users should choose Speechify for its excellent iOS and Android apps. HeyGen works best on desktop browsers with no dedicated mobile app for content creation.
🎓 Your Use Case
Students and researchers who consume lots of reading material should pick Speechify. Marketing teams and content creators building video assets should go with HeyGen.
🆓 Free Trials and Testing
Both offer free tiers to test. HeyGen gives 3 credits with watermarked videos. Speechify offers limited features on the free plan plus a 3-day premium trial.
🛟 Accessibility Needs
If you have dyslexia, ADHD, visual impairments, or reading difficulties, Speechify was built for you. It helps tens of thousands of people with accessibility needs consume content more easily.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from HeyGen to Speechify?
✅ What you’ll gain:
- Lower monthly cost ($11.58 vs $24)
- Native mobile apps for iOS and Android
- OCR scanning for physical books and documents
❌ What you’ll lose:
- All video creation capabilities
- AI avatars and talking-head content
- Video translation with lip-sync
📋 How to switch:
- Download any completed HeyGen videos before canceling
- Sign up for Speechify (start with free trial)
- Import your text content through copy-paste or file upload
🔄 Switching from Speechify to HeyGen?
✅ What you’ll gain:
- Full AI video creation with realistic avatars
- Video translation with automatic lip-syncing
- Templates for marketing, training, and sales content
❌ What you’ll lose:
- Mobile app for creating and consuming content
- OCR scanning for physical books
- Lower monthly cost (will pay more)
📋 How to switch:
- Export any audio files or notes from Speechify
- Sign up for HeyGen (test with free credits first)
- Prepare your video scripts and start creating content
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | スピーチファイ |
| 🎬 Video Creation | ヘイジェン |
| 🗣️ Voice Quality | Tie |
| 📱 Mobile Experience | スピーチファイ |
| 🎯 AI Avatars | ヘイジェン |
| 🌍 Language Support | ヘイジェン |
| 📖 Text-to-Audio | スピーチファイ |
| 🏆 Overall Winner | HeyGen (for creators) |
🏆 WINNER: HEYGEN
HeyGen wins 4 out of 7 categories for content creators who need video.
Best for: Marketing teams, sales professionals, educators, and anyone creating video content at scale.
HeyGen and Speechify solve completely different problems.
HeyGen creates AI avatar videos for marketing, training, and sales outreach.
Speechify converts text into audio for listening on the go.
If you need video content with realistic AI presenters, HeyGen is your only option between these two.
If you want to consume books and articles through audio, Speechify does this better and cheaper.
Speechify is excellent for students, readers, and people with accessibility needs.
However, for 仕事 content creation, HeyGen delivers far more value.
Now go create some amazing content!
More of HeyGen Compared
Here’s how HeyGen stacks up against other competitors:
HeyGen vs シンセシア
HeyGen wins on: Avatar realism, voice cloning quality
Synthesia wins on: Enterprise features, SOC 2 compliance
HeyGen vs コロサイ
HeyGen wins on: Template variety, language support
Colossyan wins on: Branching scenarios, learning content
HeyGen vs ヴィード
HeyGen wins on: AI avatar quality, video translation
Veed wins on: General video editing, subtitles
HeyGen vs エライ
HeyGen wins on: Avatar diversity, pricing transparency
Elai wins on: Real-time chat avatars, interactivity
HeyGen vs ヴィドノズ
HeyGen wins on: Professional quality, avatar realism
Vidnoz wins on: Lower pricing, cartoon 発電機
HeyGen vs ディープブレイン
HeyGen wins on: User interface, template library
Deepbrain wins on: Interactive AI humans, conversational
HeyGen vs シンセシス
HeyGen wins on: More avatars, better lip-sync
Synthesys wins on: Image generation, face form tools
HeyGen vs 1時間目
HeyGen wins on: Avatar variety, voice cloning
Hour One wins on: Enterprise pricing, custom avatars
HeyGen wins on: Full video creation, templates
D-ID wins on: Photo animation, API simplicity
HeyGen vs ヴィルボ
HeyGen wins on: Avatar realism, language support
Virbo wins on: Montage maker, talking photos
HeyGen vs ヴィドヤード
HeyGen wins on: AI avatar creation, video translation
Vidyard wins on: Sales prospecting, CRM 統合
HeyGen vs フリキ
HeyGen wins on: Avatar quality, enterprise features
Fliki wins on: Blog-to-video, lower pricing
HeyGen vs ビデオ内
HeyGen wins on: AI avatars, talking-head videos
InVideo wins on: General video editing, stock media
HeyGen vs クリエイティファイ
HeyGen wins on: Avatar variety, voice options
Creatify wins on: URL-to-video, ad creation
HeyGen vs キャプションAI
HeyGen wins on: AI avatar creation, video translation
Captions AI wins on: Auto-captions, eye contact fix
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, reading consumption
Murf AI wins on: Voiceover production, video sync
Speechify vs Play.ht
Speechify wins on: OCR scanning, cross-platform
Play.ht wins on: Voice agent creation, API access
Speechify vs ロボ
Speechify wins on: Reading experience, accessibility
Lovo wins on: Emotion-infused voices, video editing
Speechify vs 説明
Speechify wins on: Text-to-audio listening, mobile
Descript wins on: ポッドキャスト editing, video editing
Speechify vs イレブンラボ
Speechify wins on: Reading apps, document scanning
ElevenLabs wins on: Voice realism, emotional control
Speechify vs リスト番号
Speechify wins on: Consumer experience, OCR
Listnr wins on: Content creation, video generation
Speechify vs ポッドキャスト
Speechify wins on: Reading tools, accessibility
Podcastle wins on: Podcast production, recording
Speechify vs ダップダブ
Speechify wins on: Mobile experience, pricing
DupDub wins on: AI avatars, translation
Speechify vs ウェルサイドラボ
Speechify wins on: Consumer apps, book reading
WellSaid Labs wins on: Enterprise voiceovers, team features
Speechify vs リボイス
Speechify wins on: Cross-platform, reading experience
Revoicer wins on: One-time payment option, emotions
Speechify vs リードスピーカー
Speechify wins on: Consumer pricing, mobile apps
ReadSpeaker wins on: Enterprise deployment, education
Speechify vs ナチュラルリーダー
Speechify wins on: Voice quality, OCR scanning
NaturalReader wins on: Lower team pricing, desktop app
Speechify vs 改変
Speechify wins on: Reading consumption, simplicity
Altered wins on: Voice morphing, audio editing
Speechify vs スピーチロ
Speechify wins on: Voice quality, modern interface
Speechelo wins on: Lifetime license option, pricing
Speechify vs TTS OpenAI
Speechify wins on: User experience, accessibility
TTS OpenAI wins on: Pay-as-you-go, API flexibility
Speechify vs ヒューム
Speechify wins on: Consumer reading, mobile apps
Hume wins on: Emotional AI, empathic voices
よくある質問
Is HeyGen free to use?
HeyGen offers a free plan with 3 credits per month. Videos have watermarks and export at 720p. Paid plans start at $24/month for the Creator tier.
Is Speechify actually free?
Speechify has a free version with basic text-to-speech. Premium features like HD voices and unlimited words cost $139/year. A 3-day free trial lets you test premium features.
Which is better for video content, HeyGen or Speechify?
HeyGen wins for video content. It creates full AI videos with avatars, lip-sync, and templates. Speechify only converts text to audio without video capabilities.
Can I clone my voice with both tools?
Yes, both offer voice cloning. HeyGen pairs your cloned voice with AI avatars for video. Speechify uses cloned voices for text-to-speech narration only.
What are the main differences between HeyGen and Speechify?
HeyGen creates AI videos with talking avatars. Speechify reads text aloud. Choose HeyGen for marketing videos and training content. Pick Speechify for listening to documents and books.
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