

📊 Our Test Results:
- 🎯 音声品質: DupDub scored natural and emotive vs Speechelo sounded slightly robotic — DupDub wins
- ⚡ 音声ライブラリ: DupDub has 700+ voices in 90+ languages vs Speechelo has 30 voices in 23 languages — DupDub wins
- 🔒 機能セット: DupDub offers avatars, cloning, video editing vs Speechelo offers text-to-speech only — DupDub wins
- 💰 価格に見合う価値: Speechelo costs $47 one-time vs DupDub costs $11/month ongoing — Speechelo wins
- 📝 使いやすさ: Both tools are beginner-friendly with simple interfaces — Tie

You need a voice for your video. But hiring a voice actor costs $100 or more per project.
AI voiceover tools can fix that. Two popular options are DupDub and Speechelo.
DupDub is a full content creation platform. It gives you AI voices, talking avatars, and video translation.
Speechelo is a simple text-to-speech tool. It turns your script into audio with one click.
Which one is right for you? Let’s break it down.
概要
To give you the most accurate comparison, we tested DupDub vs Speechelo side by side.
We spent weeks creating voiceovers, testing voice quality, and comparing features.
We’re sharing our firsthand experience to help you pick the right tool.
DupDubとは何ですか?
DupDub is an AI-powered platform for creating videos and voiceovers. It was built by Mobvoi, a Google-backed AI company founded in 2012.
It gives you over 700 realistic voices in more than 90 languages. You can also create AI avatars, make talking photos, and translate videos.
Think of DupDub as a recording studio, voice artist, and ビデオエディター all in your browser.

ダップダブ
DupDub gives you 700+ AI voices, talking avatars, video translation, and voice cloning in one platform. Create professional voiceovers in 90+ languages without hiring a single voice actor.
DupDub Pricing
Here’s what DupDub costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing the platform |
| 個人的 | 月額11ドル | Solo content creators |
| プロ | 月額30ドル | Serious creators and marketers |
| 究極の | 月額110ドル | Agencies and heavy users |

無料トライアル: Yes — 3 days with about 10 credits. No credit card needed.
返金保証: DupDub has a 3-day refund policy. Cancel within 3 days of purchase for a full refund.
📌 注記: Annual billing saves you money. The Personal plan drops to about $8/month when billed yearly. Each plan includes AI voiceover minutes, avatar minutes, and transcription credits.
⚠️ Warning: Credits reset every month on paid plans. Unused credits do not roll over. Track your usage to avoid running out mid-project.
Key Benefits of DupDub
Here’s why DupDub stands out from the competition:
- 膨大な音声ライブラリ: Over 700 voices in 90+ languages and accents. You’ll find the right voice for any project or audience.
- AI Avatar Creation: Build talking digital avatars that speak and show emotions. Great for ユーチューブ channels and marketing videos.
- 音声クローニング: Clone any voice from a short audio sample. Keep your brand voice consistent across all content.
- Video Translation: Dub your videos into 130+ languages. Lip movements stay in sync with the new audio.
- オールインワンプラットフォーム: Voiceovers, avatars, transcription, and video editing in a single dashboard. No need for multiple tools.
- API アクセス: Connect DupDub to your own apps and workflows. The API lets developers build custom voice features.

DupDub Pros & Cons
✅ Pros
- 700+ natural AI voices across 90+ languages
- AI avatars and talking photos for engaging content
- Voice cloning keeps your brand voice consistent
- Video translation with lip-sync in 130+ languages
- Free plan available for testing
❌ Cons
- Monthly subscription adds up over time
- Video editing tools feel basic vs dedicated editors
- Website can load slowly at times
- Lip-syncing is not perfect in every language
Speecheloとは何ですか?
Speechelo is a cloud-based text-to-speech tool. It turns your written script into a human-sounding voiceover.
It offers over 30 voices in 23 languages. You paste your 文章, pick a voice, and download the audio file in seconds.
Speechelo is built by the Blaster Suite team. They focus on simple tools for video creators and marketers.

スピーチロ
Speechelo converts any text into a natural voiceover with 30+ voices in 23 languages. Pay once and get lifetime access — no monthly fees, no subscriptions.
Speecheloの料金
Here’s what Speechelo costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| Speechelo 生涯ライセンス | $47 | Budget-friendly voiceovers for all users |

無料トライアル: No free trial available. But a money-back guarantee covers your risk.
返金保証: 60-day satisfaction guarantee. Contact support with your receipt for a full refund.
📌 注記: The $47 price is a one-time payment. You get lifetime access with free updates. The Pro upgrade and Speechelo Tube add-on are sold separately.
⚠️ Warning: Some users report that Speechelo moves voices from the standard version to the Pro version over time. Confirm which voices are included before you buy.
Key Benefits of Speechelo
Here’s why Speechelo stands out from the competition:
- 1回限りの支払い: Pay $47 once and own it forever. No monthly fees eating into your budget.
- Fast Generation: Paste your text and get audio in under 10 seconds. Perfect for quick projects with tight deadlines.
- Multiple Tones: Choose between normal, joyful, and serious tones. Match the mood of any video.
- Breathing Sounds: Add natural breathing pauses to make voiceovers sound more human. Most AIツール skip this detail.
- Auto Punctuation: The AI engine adds commas and pauses to your text. Your script doesn’t need to be perfect.
- Works With Any Editor: Download MP3 files and import them into カムタジア, Adobe Premiere, iMovie, or any video editor.

Speechelo Pros & Cons
✅ Pros
- $47 one-time payment with lifetime access
- Generates voiceovers in under 10 seconds
- Cloud-based with no software to install
- 60-day money-back guarantee
❌ Cons
- Only 30 voices — very limited selection
- Some voices sound robotic and unnatural
- No free trial to test before buying
- 700-word limit per voiceover on standard plan
機能比較
Ready to dive into a detailed comparison of DupDub vs Speechelo?
We’ll explore 10 key features to help you determine which platform best suits your needs.
| 特徴 | ダップダブ | スピーチロ |
|---|---|---|
| 開始価格 | 月額11ドル | $47 one-time |
| 無料プラン | ✅ | ❌ |
| AI音声 | 700+ | 30+ |
| 言語 | 90+ | 23 |
| AIアバター | ✅ | ❌ |
| 音声クローン | ✅ | ❌ |
| ビデオ翻訳 | ✅ | ❌ |
| ビデオ編集 | ✅ | ❌ |
| APIアクセス | ✅ | ❌ |
| 最適な用途 | Full content creation | Quick, budget voiceovers |
1. AI Voice Quality
ダップダブ: DupDub uses deep learning AI to produce over 700 voices that sound emotive and natural. The voices support multiple accents and emotional tones. Most listeners can’t tell the difference from a real person.

スピーチロ: Speechelo offers 30+ voices with its AI engine. The voices add auto punctuation and breathing sounds. However, many users report the voices still sound robotic, especially the standard engine voices.

2. Voice Library Size
ダップダブ: DupDub provides over 700 voices in 90+ languages and accents. You get male, female, and child voices. The selection covers nearly every language you might need for global content.
スピーチロ: Speechelo gives you about 30 voices in 23 languages. The Pro upgrade adds up to 171 voices total. But many voices share the same engine, so they sound similar to each other.

3. AI Avatar Creation
ダップダブ: DupDub lets you create AI avatars that speak and express emotions. You can customize hairstyles, outfits, and accessories. These avatars are perfect for YouTube channels and marketing videos.

スピーチロ: Speechelo does not have any avatar creation features. It focuses only on converting text into audio. You’ll need a separate tool if you want talking avatars.
4. 音声クローン
ダップダブ: DupDub offers voice cloning from a short audio sample. You can create a digital copy of any voice and use it across all your content. It even supports cross-lingual cloning.

スピーチロ: Speechelo does not offer voice cloning. You can only choose from the pre-made voices in its library. There’s no way to create a custom voice.
5. Video Translation & Dubbing
ダップダブ: DupDub translates videos into 130+ languages. It keeps audio quality high and syncs lip movements to the new language. This is a huge feature for reaching global audiences.

スピーチロ: Speechelo has no video translation features. It only generates audio from text. You would need to manually translate your script and create separate voiceovers for each language.
6. Text-to-Speech Engine
ダップダブ: DupDub’s text-to-speech engine converts any script into natural voiceovers in seconds. You can adjust speed, tone, and ピッチ. The engine works for scripts in any of the 90+ supported languages.

スピーチロ: Speechelo’s engine also converts テキスト読み上げ quickly. It auto-adds punctuation marks to make speech flow better. You can pick between normal, joyful, and serious tones for your output.

7. ビデオ編集ツール
ダップダブ: DupDub includes built-in video editing. You can add subtitles, background music, and sound effects. It’s not a full editor like Premiere, but it handles basic editing tasks well.

スピーチロ: Speechelo has zero video editing features. You download your audio file and import it into a separate video editor. This means more steps in your workflow.
8. Customization & Control
ダップダブ: DupDub lets you fine-tune voice speed, pitch, and emotions. You can adjust specific sections of your script independently. The controls are intuitive and easy to find.
スピーチロ: Speechelo offers speed, pitch, and pause controls. You can add breathing sounds and emphasize certain words. However, advanced controls only work with standard voices, not AI voices.

⚠️ Warning: Speechelo’s advanced customization features like emphasis and breathing only apply to standard engine voices. The AI voices — which sound better — have limited controls.
9. API & Integration
ダップダブ: DupDub provides API access for developers. You can connect DupDub’s voice engine to your own apps, websites, or workflows. Enterprise plans include custom API setups.

スピーチロ: Speechelo does not offer an API. It works only through its web interface. You can’t automate voiceover creation or connect it to other tools.
10. Pricing & Cost
Let’s compare the pricing plans side by side.
| プラン | ダップダブ | スピーチロ |
|---|---|---|
| 無料 | $0/month (limited credits) | ❌ |
| Entry Level | $11/month (Personal) | $47 one-time (Lifetime) |
| Mid Tier | $30/month (Professional) | 該当なし |
| Top Tier | $110/month (Ultimate) | 該当なし |
ダップダブ: DupDub uses a monthly subscription model. At $11/month, it costs $132 per year. You get far more features, but the cost adds up over time.
スピーチロ: Speechelo’s $47 one-time fee is hard to beat on price. You own it forever with no recurring costs. But you only get basic text-to-speech with 30 voices.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | スピーチロ | $47 one-time vs $132/year |
| AI avatars & talking photos | ダップダブ | Only DupDub has this feature |
| 700+ voice options | ダップダブ | 23x more voices |
| 音声クローン | ダップダブ | Clone any voice from a sample |
| Video translation | ダップダブ | 130+ languages with lip-sync |
| Quick one-off voiceovers | スピーチロ | No subscription needed |
| 初心者向け | スピーチロ | Simpler 3-click process |
💰 Your Budget
Speechelo wins on price with its $47 one-time payment. DupDub costs $11/month, which is $132/year. If budget is your top priority and you only need basic voiceovers, Speechelo is the cheaper path.
🔌 Your Tech Stack
DupDub offers API access and fits into automated workflows. Speechelo works as a standalone web tool with no integrations. If you need to connect voiceover generation to other apps, DupDub is your pick.
📝 Your Content Type
DupDub handles videos, avatars, dubbing, and voiceovers. Speechelo only creates audio files. If you make diverse content types like talking-head videos or multi-language campaigns, DupDub covers more ground.
🎓 Your Experience Level
Speechelo is dead simple. Paste text, pick voice, click generate. DupDub has a larger dashboard with more tools. Beginners who want zero learning curve should start with Speechelo.
🆓 Free Trials and Demos
DupDub offers a free plan and a 3-day free trial with no credit card. Speechelo has no free trial, but offers a 60-day money-back guarantee. Try DupDub first to test without any risk.
🛟 Support Options
DupDub has a help center, tutorial videos, and email support. Speechelo offers email support and a FAQ section. Both tools provide decent but not exceptional customer service.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from DupDub to Speechelo?
✅ What you’ll gain:
- No more monthly fees — pay once and own it
- Simpler interface with fewer distractions
- 60-day money-back guarantee for peace of mind
❌ What you’ll lose:
- AI avatars and talking photo creation
- Voice cloning and 700+ voice library
- Video translation and dubbing in 130+ languages
📋 How to switch:
- Download all your DupDub audio and video files
- Purchase Speechelo’s lifetime license for $47
- Re-create your voiceovers using Speechelo’s voices and cancel DupDub
🔄 Switching from Speechelo to DupDub?
✅ What you’ll gain:
- 700+ voices in 90+ languages vs 30 voices in 23
- AI avatars, talking photos, and voice cloning
- Built-in video translation and editing tools
❌ What you’ll lose:
- One-time pricing — DupDub requires a monthly subscription
- The simplicity of a single-purpose tool
- 60-day money-back guarantee (DupDub offers 3 days)
📋 How to switch:
- Save all your Speechelo audio files locally
- Sign up for DupDub’s free trial to test the platform
- Choose a DupDub plan and start creating with the expanded toolset
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | スピーチロ |
| 🚀 Voice Library | ダップダブ |
| ⚡ Voice Quality | ダップダブ |
| 🎯 Features & Tools | ダップダブ |
| 👶 Ease of Use | スピーチロ |
| 🔌 Integrations & API | ダップダブ |
| 🌍 Language Support | ダップダブ |
| 🏆 Overall Winner | ダップダブ |
🏆 WINNER: DupDub
DupDub wins 5 out of 7 categories.
Best for: Content creators who need AI voiceovers, talking avatars, video translation, and voice cloning in one platform.
DupDub and Speechelo are two very different products.
DupDub is a full AI content creation platform. It gives you voices, avatars, video translation, and cloning.
Speechelo is a simple text-to-speech tool. It does one thing at a budget price.
Speechelo is excellent for quick, cheap voiceovers with no monthly fees.
However, if you need a full content creation toolkit with better voices and more features, DupDub is the better choice.
Now, go out and create content that gets attention!
More of DupDub Compared
Here’s how DupDub stacks up against other competitors:
DupDub vs マーフ 人工知能
DupDub wins on: Avatar creation, video translation, lower starting price
Murf AI wins on: Voice studio quality, enterprise-grade customization
DupDub vs イレブンラボ
DupDub wins on: All-in-one platform, avatar features, video dubbing
ElevenLabs wins on: Voice cloning accuracy, ultra-realistic voice quality
DupDub wins on: Video editing tools, AI avatars, voice cloning
Speechify wins on: Text-to-speech reader, audiobook creation, browser extension
DupDub vs 説明
DupDub wins on: Voice library size, avatar creation, language support
Descript wins on: Video editing power, transcript-based editing, collaboration
DupDub vs Play.ht
DupDub wins on: All-in-one features, video translation, talking photos
Play.ht wins on: Voice quality, podcast-specific tools, API flexibility
DupDub wins on: Avatar creation, video dubbing, broader language coverage
Lovo wins on: Voice emotion control, audio editing timeline
DupDub vs ヒューム
DupDub wins on: Content creation features, video tools, price
Hume wins on: Emotional AI research, voice analysis technology
DupDub vs リスト番号
DupDub wins on: Avatar features, video translation, voice cloning
Listnr wins on: Podcast hosting, audio widget embedding
DupDub vs ポッドキャスト
DupDub wins on: Video editing, avatar creation, language count
Podcastle wins on: Podcast recording, remote interviews, audio cleanup
DupDub vs ウェルサイドラボ
DupDub wins on: Pricing, avatar features, video dubbing tools
WellSaid Labs wins on: Voice realism, enterprise voice branding
DupDub vs リボイス
DupDub wins on: Feature set, avatar creation, translation tools
Revoicer wins on: One-time pricing, simple voiceover generation
DupDub vs リードスピーカー
DupDub wins on: Content creation tools, avatar features, pricing
ReadSpeaker wins on: Accessibility compliance, enterprise text-to-speech
DupDub vs ナチュラルリーダー
DupDub wins on: Video tools, avatar creation, voice cloning
NaturalReader wins on: Document reading, audiobook conversion, personal use
DupDub vs 改変
DupDub wins on: Pricing, all-in-one platform, video dubbing
Altered wins on: Voice morphing, real-time voice changing
DupDub vs TTS OpenAI
DupDub wins on: User interface, avatar features, no-code setup
TTS OpenAI wins on: Voice naturalness, API power, developer tools
More of Speechelo Compared
Here’s how Speechelo stacks up against other competitors:
Speechelo wins on: One-time pricing, simplicity
Murf AI wins on: Voice quality, studio features, collaboration
Speechelo wins on: Budget-friendly pricing, no subscription
Speechify wins on: Text reader, browser extension, mobile app
Speechelo vs Descript
Speechelo wins on: One-time cost, beginner simplicity
Descript wins on: Video editing, transcription, collaboration tools
Speechelo vs Play.ht
Speechelo wins on: Lifetime pricing, faster setup
Play.ht wins on: Voice realism, API, podcast tools
Speechelo wins on: Budget price, no recurring fees
ElevenLabs wins on: Ultra-realistic voices, cloning, API power
Speechelo vs Lovo
Speechelo wins on: One-time payment, ease of use
Lovo wins on: Voice emotion controls, modern AI engine
Speechelo wins on: Lifetime pricing, no learning curve
Listnr wins on: Podcast hosting, audio embedding, better voices
Speechelo wins on: Price, simple voiceover generation
Podcastle wins on: Recording, interview hosting, audio cleanup
Speechelo vs WellSaid Labs
Speechelo wins on: Budget-friendly, no subscription required
WellSaid Labs wins on: Voice realism, enterprise features
Speechelo vs Revoicer
Speechelo wins on: Lower one-time cost, wider brand recognition
Revoicer wins on: More voice options, better AI engine
Speechelo vs ReadSpeaker
Speechelo wins on: Affordable pricing, video creator focus
ReadSpeaker wins on: Accessibility, enterprise compliance, voice quality
Speechelo vs NaturalReader
Speechelo wins on: One-time pricing, marketing focus
NaturalReader wins on: Document reading, personal use, mobile app
Speechelo vs Altered
Speechelo wins on: Price, simplicity, no monthly commitment
Altered wins on: Voice morphing, real-time voice changing
Speechelo vs TTSOpenAI
Speechelo wins on: No technical setup, one-time payment
TTSOpenAI wins on: Voice naturalness, developer API, model quality
Speechelo vs Hume
Speechelo wins on: Simpler setup, lower cost, video creator focus
Hume wins on: Emotional AI, voice analysis, research capabilities
よくある質問
How to get DupDub for free?
DupDub offers a free plan with limited credits. You can also sign up for a 3-day free trial with no credit card. This gives you about 10 credits to test AI voiceovers, avatars, and translation features.
What is the difference between Speechify and Speechelo?
Speechify is a text-to-speech reader app with a subscription model. Speechelo is a voiceover ジェネレータ with a one-time payment. Speechify reads documents aloud, while Speechelo creates downloadable audio files for videos.
Can I use Speechelo for YouTube?
Yes. Speechelo generates MP3 audio files you can import into any video editor. Many YouTube creators use it for narration. The Pro version includes a commercial license for monetized content.
What does DupDub AI do?
DupDub is an AI platform that creates voiceovers, talking avatars, and translated videos. It offers over 700 voices in 90+ languages. You can also clone voices, edit videos, and transcribe audio.
は AI音声クローン illegal?
AI voice cloning is legal when you have permission from the voice owner. It becomes illegal if used to impersonate someone without consent or for fraud. Always get proper authorization before cloning a voice.













