

📊 我们的测试结果:
- 🎬 Video Creation Speed: Synthesia 5-min video in 8 mins vs Speechify N/A — Synthesia wins
- 🎤 嗓音 质量: Synthesia 4.5/5 vs Speechify 4.7/5 — Speechify wins
- 🌍 语言支持: Synthesia 120+ vs Speechify 60+ — Synthesia wins
- 📱 跨平台访问: Synthesia web-only vs Speechify iOS/Android/Chrome — Speechify wins
- 💰 性价比: Synthesia $18/mo vs Speechify $11.58/mo — Speechify wins on price

Are you struggling to create professional video content without a camera or studio?
Maybe you want to turn 文本 into audio so you can learn on the go.
Synthesia and Speechify both use AI to transform how we consume and create content.
But they solve very different problems.
Synthesia creates 人工智能化身 videos from text scripts.
Speechify reads text aloud so you can listen instead of read.
I tested Synthesia vs Speechify tools for a month to find out which one delivers real value.
Here is my honest comparison to help you choose the right tool.
概述
I spent four weeks testing Synthesia and Speechify side by side.
I created training videos, marketing content, and educational materials with Synthesia.
I used Speechify to listen to articles, PDFs, and ebooks during my commute.
These tools serve different purposes but both excel in their categories.
Keep reading to see which one fits your needs.
Synthesia是什么?
Synthesia 是一种 人工智能视频 creation platform that turns text into professional videos.
You type a script and the platform generates a video with a realistic 人工智能化身 说出你的话。
No camera, microphone, or video editing skills needed.
The platform offers over 150 diverse AI avatars that look and sound like real people.
You can create training videos, product demos, and marketing content in minutes.

Synthesia
Create professional AI videos in minutes without cameras or actors. Over 50,000 companies use Synthesia for training, marketing, and internal communications. Supports 120+ languages with realistic avatars.
Synthesia 定价
Synthesia offers three pricing tiers to fit different needs and budgets.
| 计划 | 价格 | 最适合 |
|---|---|---|
| 起动机 | 每月18美元 | Individuals testing AI video |
| 创作者 | 每月 64 美元 | Content creators and marketers |
| 企业 | 定制定价 | Large teams and organizations |

免费试用: Yes, Synthesia offers a free demo video so you can test the platform before paying.
退款保证: Synthesia does not offer refunds, so test the free demo first.
📌 笔记: The Starter plan includes 10 video credits per month. Each credit equals one minute of video. The Creator plan offers 30 credits monthly plus custom avatar creation.
⚠️ 警告: Creating a personal AI avatar costs $1,000 per year on top of your subscription. This adds up fast for businesses wanting branded spokespersons.
Key Benefits of Synthesia
Here is why thousands of companies choose Synthesia for video creation:
- 无需摄像头: Create professional videos without filming equipment or studio space. Just type your script and the AI does the rest.
- 150+ AI Avatars: Choose from diverse avatars representing different ages, ethnicities, and styles. Find the perfect face for your brand.
- 120+ Languages: Create videos in any language without hiring translators or voice actors. The AI handles pronunciation perfectly.
- 最新动态: Change your script and regenerate the video in minutes. No need to reshoot or re-edit from scratch.
- 汽车 图片说明: Every video includes closed captions automatically. This improves accessibility and engagement.
- PowerPoint-Like Editor: The interface feels familiar if you have used 推介会 software. No video editing experience required.
- 团队协作: Share projects with team members and get feedback with timestamp-linked comments.

Synthesia Pros & Cons
✅ 优点
- Creates videos 10x faster than traditional production
- No technical skills or equipment needed
- Translate videos to 120+ languages with one click
- Easy to update content without reshooting
- Professional templates save design time
❌缺点
- Avatars can look robotic in close-up shots
- Lip sync is not always perfect
- Custom avatars cost $1,000 per year extra
- Limited emotional range in AI voices
Speechify是什么?
Speechify is a text-to-speech app that reads any text aloud to you.
It converts articles, PDFs, ebooks, and documents into natural-sounding audio.
The app was created by the founder to help with his dyslexia.
Now it helps millions of people consume content faster.
You can listen at speeds up to 900 words per minute while exercising or commuting.

Speechify
Turn any text into audio with natural AI voices. Perfect for busy professionals, students, and anyone with reading difficulties. Listen at 3x speed and finish books in hours instead of weeks.
Speechify定价
Speechify offers a free tier plus paid options for power users.
| 计划 | 价格 | 最适合 |
|---|---|---|
| 有限的 | 每月 0 美元 | Casual users testing the app |
| 年度的 | 每月 11.58 美元 | Regular users who commit yearly |
| 月度 | 每月 29 美元 | Users who want flexibility |

免费试用: Yes, Speechify offers a 3-day free trial of premium features.
退款保证: The annual plan is non-refundable, so use the trial first.
📌 笔记: The free plan limits you to basic voices and slower speeds. Premium unlocks 60+ HD voices and speeds up to 900 WPM. Annual billing saves you 60% compared to monthly.
⚠️ 警告: Some users report difficulty canceling subscriptions through the app. Cancel through your app store account settings to avoid unwanted charges.
Key Benefits of Speechify
Here is why Speechify became the number one audio reader worldwide:
- Listen Anywhere: Turn commute time into learning time. Listen to articles, books, and documents while driving, exercising, or doing chores.
- Speed Reading: Consume content at up to 900 words per minute. Finish a book in hours instead of weeks.
- Natural Voices: Choose from 60+ premium AI voices that sound human. No more robotic text-to-speech.
- OCR技术: Scan physical books and handwritten notes with your phone camera. The app reads them aloud 即刻.
- 跨平台同步: Start listening on your phone and continue on your laptop. Your place syncs across all 设备.
- Reading Accessibility: Designed for people with dyslexia, ADHD, and visual impairments. Makes reading accessible to everyone.
- Text Highlighting: Follow along as the app reads. The active highlighting improves comprehension and retention.

Speechify Pros & Cons
✅ 优点
- Works with any text source including websites, PDFs, and ebooks
- Speeds up to 900 WPM for fast learners
- Natural-sounding AI voices in 60+ languages
- OCR scans physical pages with your camera
- Free tier available for basic use
❌缺点
- Premium voices require expensive subscription
- Annual plan costs $139 with no refunds
- Voices lack emotional nuance of human narration
- Some users find cancellation process confusing
功能对比
Now let us compare Synthesia and Speechify feature by feature.
These tools serve different purposes, so I will focus on where they overlap and where they differ.
| 特征 | Synthesia | Speechify |
|---|---|---|
| 起价 | 每月18美元 | $0/month (free tier) |
| 免费计划 | ❌ 仅限演示 | ✅ 功能有限 |
| AI化身 | ✅ 150+ avatars | ❌ No avatars |
| 文本转语音 | ✅ For videos | ✅ Primary feature |
| 视频创作 | ✅ Primary feature | ❌ No video creation |
| 语言 | 120+ | 60+ |
| 移动应用 | ❌仅限网页版 | ✅ iOS 和 Android |
| Chrome 扩展程序 | ❌ | ✅ |
| OCR Scanning | ❌ | ✅ |
| 最适合 | Video content creators | Audio content consumers |
1. AI Voice Quality
Synthesia: The text-to-speech engine supports 120+ languages and accents. Voices sound professional and clear for 商业 content. However, some users note the voices lack emotional variation and can sound robotic in certain contexts.

Speechify: Uses advanced neural TTS technology with 60+ premium voices. The voices sound more natural for long-form listening. Users can adjust speed and 沥青 to match their preferences. The app excels at audiobook-style narration.

⚠️ 警告: Neither tool matches professional human voice actors for emotional delivery. Use them for informational content, not dramatic performances.
2. 视频制作
Synthesia: This is where Synthesia shines. You type a script and the platform creates a video with a realistic AI avatar. Choose from 150+ diverse avatars or create a custom one based on your likeness. The platform includes 60+ professional templates and a built-in 视频编辑器.

Speechify: Speechify does not create videos. It focuses entirely on converting text to audio. If you need video content, Speechify cannot help you.
3. 语言支持
Synthesia: Supports over 120 languages and accents. The 1-click translation feature lets you create videos in any language without hiring translators. This makes Synthesia ideal for global companies with multilingual training needs.

Speechify: Offers 60+ languages with lifelike AI voices. The app helps language learners practice by listening to content in their target language. Good coverage for major languages, but fewer options than Synthesia.
4. 移动访问
Synthesia: Web-based only. You must use a computer to create and edit videos. No mobile app available. This limits flexibility for teams who work on the go.
Speechify: Full-featured iOS and Android apps plus a Chrome extension. Listen offline, sync across devices, and scan physical books with your phone camera. The mobile experience is excellent for commuters and travelers.

5. Content Input Methods
Synthesia: Input methods include typing scripts directly, pasting text, uploading PowerPoint presentations, or using the AI script 发电机. The platform also has a screen recorder for creating product walkthroughs.

Speechify: Import content via copy-paste, file uploads, web links, or OCR scanning. The app reads PDFs, Word documents, ebooks, and web articles. You can even photograph physical books and have them read aloud.
6. 模板和自定义
Synthesia: Offers 60+ professional video templates for training, marketing, and corporate communications. You can customize layouts, add brand colors, insert logos, and include background music. The editor works like PowerPoint but outputs video.

Speechify: Limited customization options. You can choose voices, adjust speed, and select highlight colors. No templates because the output is audio, not video. The focus is on reading experience, not design.
7. 协作功能
Synthesia: Built for teams. Share video projects with colleagues, leave comments linked to specific timestamps, and manage permissions. The Enterprise plan includes brand kits and admin controls for large organizations.

Speechify: Designed for individual use. You can share audio files, but there are no team collaboration features. The Speechify library syncs across your devices, but not with other users.
8. Accessibility Features
Synthesia: Auto-generates closed captions for all videos. This helps viewers with hearing impairments or those watching without sound. Videos can be translated to make content accessible globally.
Speechify: Specifically designed for accessibility. Helps people with dyslexia, ADHD, visual impairments, anxiety, and concussions. The text highlighting feature aids comprehension. This is Speechify’s core mission and strongest selling point.
9. 应用案例
Synthesia: Best for creating training videos, onboarding content, product demos, marketing videos, and educational materials. Used by L&D teams, HR departments, marketers, and educators. Over 50,000 companies trust Synthesia.
Speechify: Best for consuming written content as audio. Used by busy professionals, students, researchers, and people with reading disabilities. Perfect for listening to articles, books, academic papers, and documents on the go.
💡 测试结果: These tools serve opposite purposes. Synthesia creates content for others to watch. Speechify helps you consume content created by others. Most users need one or the other, not both.
10. 定价与成本
让我们来对比一下这些价格方案。
| 计划类型 | Synthesia | Speechify |
|---|---|---|
| 免费套餐 | Demo video only | Limited features, basic voices |
| 入门级 | 每月 18 美元(入门级) | $11.58/month (Annual) |
| 中级 | $64/month (Creator) | $29/month (Monthly) |
| 企业 | 定制定价 | 无法使用 |
Synthesia: Higher price point reflects the complex technology behind AI video generation. The Starter plan works for individuals, but teams should budget for Creator or Enterprise. Custom avatars add $1,000/year.
Speechify: More affordable for individual users. The free tier lets you test basic features. Annual billing offers the best value at $139/year total. Monthly billing is expensive at $29/month.
不同场景
不确定哪种工具适合您的情况?请使用此决策矩阵。
| 如果您需要…… | 选择 | 为什么 |
|---|---|---|
| Create training videos | Synthesia | AI avatars deliver scripts professionally |
| Listen to articles on the go | Speechify | Mobile app with offline playback |
| Multilingual video content | Synthesia | 120+ languages with 1-click translation |
| Read books faster | Speechify | Up to 900 WPM listening speed |
| 团队协作 | Synthesia | Built-in commenting and sharing |
| Accessibility support | Speechify | Designed for dyslexia and ADHD |
| 经济实惠的选择 | Speechify | Free tier and lower entry price |
💰 您的预算
Speechify wins on price with a free tier and $11.58/month annual plan. Synthesia starts at $18/month with no free plan. If cost matters most, start with Speechify.
🔌 您的技术栈
Speechify integrates with your browser via Chrome extension and syncs across all devices. Synthesia connects with Zapier for automation and integrates with LMS platforms. Choose based on your existing tools.
📝 Your Content Goals
Creating content for others? Choose Synthesia for video production. Consuming content for yourself? Choose Speechify for audio reading. These tools solve opposite problems.
🎓您的经验水平
Both tools are beginner-friendly. Speechify is simpler since you just upload text and listen. Synthesia has a learning curve but the interface resembles PowerPoint. No technical skills needed for either.
🆓 免费试用和演示
Speechify offers a 3-day free trial plus a permanent free tier. Synthesia lets you create one free demo video. Test both before committing to understand the experience.
🛟 支持选项
Synthesia offers dedicated support for Enterprise customers plus a help center. Speechify provides email support and extensive documentation. Enterprise users get better support from Synthesia.
切换指南
Already using one tool? Here is what to expect if you switch.
🔄 Switching from Synthesia to Speechify?
✅ What you will gain:
- Mobile apps for iOS and Android to listen anywhere
- Lower monthly cost starting at $11.58 per month
- OCR scanning to read physical books and documents
❌ What you will lose:
- AI avatar video creation capabilities
- Team collaboration and commenting features
- Professional video templates and editor
📋 如何切换:
- Download your Synthesia videos before canceling
- Create a Speechify account and start free trial
- Import your reading materials and test the voices
🔄 Switching from Speechify to Synthesia?
✅ What you will gain:
- AI avatar video creation for training and marketing
- Support for 120+ languages with 1-click translation
- Team collaboration with commenting and sharing
❌ What you will lose:
- Mobile apps for on-the-go listening
- OCR scanning for physical documents
- Speed reading up to 900 words per minute
📋 如何切换:
- Export any saved audio content from Speechify
- Create a Synthesia account and try the free demo
- Start with templates to learn the video editor
最终判决
| 类别 | 优胜者 |
|---|---|
| 💰 定价 | Speechify |
| 🎬 Video Creation | Synthesia |
| 🎤 Voice Quality | Speechify |
| 🌍 语言支持 | Synthesia |
| 📱 Mobile Access | Speechify |
| 👥 团队协作 | Synthesia |
| ♿ Accessibility | Speechify |
| 🏆 总冠军 | Synthesia |
🏆 WINNER: Synthesia
Synthesia wins for content creators who need to produce professional videos at scale.
最适合: Training videos, corporate communications, marketing content, educational materials
Synthesia and Speechify are fundamentally different tools.
Synthesia creates video content using AI avatars.
Speechify converts text into audio for listening.
If you need to create training videos, product demos, or marketing content, Synthesia is your tool.
If you want to consume books, articles, and documents as audio, Speechify is your tool.
For businesses investing in video content at scale, Synthesia delivers the best return on investment.
Now go create amazing content with the right tool for your needs!
More of Synthesia Compared
Here is how Synthesia stacks up against other competitors:
Synthesia wins on: Enterprise features, template variety
HeyGen 获胜方式: Lower entry price, faster rendering
Synthesia vs 科洛西恩
Synthesia wins on: Avatar diversity, language support
Colossyan wins on: Learning-focused features, scenario branching
Synthesia vs 维德
Synthesia wins on: AI avatar quality, professional templates
Veed wins on: General video editing, subtitling tools
Synthesia vs 埃莱
Synthesia wins on: Brand recognition, enterprise support
Elai wins on: Pricing flexibility, article-to-video conversion
Synthesia vs Vidnoz
Synthesia wins on: Avatar realism, collaboration features
Vidnoz wins on: Free credits, simpler interface
Synthesia vs 深脑
Synthesia wins on: Template library, 1-click translation
Deepbrain wins on: Asian language support, custom avatar pricing
Synthesia vs 做过
Synthesia wins on: 商业 features, team collaboration
D-ID wins on: Creative applications, API flexibility
Synthesia vs 弗利基
Synthesia wins on: Avatar quality, professional output
Fliki wins on: Stock footage integration, voiceover options
Synthesia vs 视频内
Synthesia wins on: AI avatars, multilingual capabilities
InVideo wins on: Traditional video editing, stock library size
More of Speechify Compared
Here is how Speechify stacks up against other competitors:
Speechify 与 默夫 人工智能
Speechify wins on: Mobile apps, reading accessibility
Murf AI wins on: Voice customization, professional voiceovers
Speechify vs Play.ht
Speechify wins on: OCR scanning, cross-platform sync
Play.ht wins on: Voice cloning, 播客 创建
Speechify 与 洛沃
Speechify wins on: Reading-focused experience, speed options
Lovo wins on: Voice variety, video voiceovers
Speechify wins on: Reading app experience, document import
ElevenLabs wins on: Voice quality, emotional range
Speechify 与 自然阅读器
Speechify wins on: Mobile experience, UI design
NaturalReader wins on: Pricing, commercial licensing
Speechify 与 描述
Speechify wins on: Pure reading experience, accessibility
Descript wins on: Audio/video editing, transcription
Speechify 与 列表号
Speechify wins on: Reading-focused features, OCR
Listnr wins on: Podcast monetization, embedding options
常见问题解答
Synthesia AI 可以免费使用吗?
No, Synthesia does not have a free plan. You can create one free demo video to test the platform. Paid plans start at $18 per month for the Starter tier.
Speechify 真的是免费的吗?
Yes, Speechify offers a free tier with limited features and basic voices. Premium features including HD voices and faster speeds require a paid subscription starting at $11.58 per month billed annually.
我可以用 Synthesia 制作 YouTube 视频吗?
Yes, you can create videos with Synthesia and upload them to YouTube. Many creators use Synthesia for educational content, tutorials, and explainer videos on their channels.
还有什么比 Speechify 更好的选择?
ElevenLabs offers superior voice quality for professional voiceovers. NaturalReader provides better pricing for basic needs. However, Speechify excels at the reading experience with its mobile apps and accessibility features.
Synthesia 的售价是多少美元?
Synthesia costs $18 per month for the Starter plan and $64 per month for the Creator plan. Enterprise pricing is custom based on team size and needs. Custom avatars cost an additional $1,000 per year.













