Dubly.AI vs HeyGen
Dubly.AI and HeyGen are often compared, but they solve fundamentally different problems. Dubly.AI is a video dubbing & translation platform built for business video translation. HeyGen focuses on ai avatars & video creation, making it a better fit for ai avatar videos. This comparison uses documented facts to show where each one excels and where it falls short.
- Dubly.AI Languages
- 40+
- HeyGen Languages
- 175+
- Dubly.AI Lip Sync
- 96.4 / 100·Excellenti
- HeyGen Lip Sync
- 76.8 / 100·Goodi
The Key Difference
HeyGen is an avatar-first platform that added video translation as a secondary feature. Dubly.AI is purpose-built for dubbing real footage. This architectural difference shows up everywhere: Dubly.AI's lip sync is optimized for real human faces and natural speech patterns, while HeyGen's lip sync engine was designed for synthetic avatars and can struggle with occlusions, rapid movement, and complex real-world footage.
Feature Comparison
When comparing features, pay attention to more than just checkboxes. Dubly.AI supports 40+ languages and HeyGen offers 175+ — but raw language count is less important than quality in your target languages. Look at lip sync ratings, multi-speaker handling, and whether the platform produces finished video or just audio tracks.
| Feature | Dubly.AI | HeyGen |
|---|---|---|
| Primary Focus | Video dubbing & translation | AI avatars & video creation |
| Languages | 40+ | 175+ |
| Lip Sync | 96.4 / 100·Excellenti | 76.8 / 100·Goodi |
| Voice Cloning | ✓ Yes | ✓ Yes |
| Video Output | ✓ Yes | ✓ Yes |
| Avatar Creation | ✗ No | ✓ Yes |
| API Access | ✓ Yes | ✓ Yes |
| Multi-Speaker | Auto detection | Not disclosed |
| Custom Vocabulary | ✓ Yes | ✗ No |
| Unlimited Revisions | ✓ Yes | ✗ No |
Pricing
Pricing in the AI dubbing space is notoriously hard to compare apples-to-apples. Dubly.AI uses a credit-based (one credit per dubbed minute, two with lip sync) model starting at €89/month, while HeyGen charges via credits + seats starting at $29/month. The real cost depends on your volume, whether you need lip sync (which often costs extra), and how many team members need access.
| Detail | Dubly.AI | HeyGen |
|---|---|---|
| Starting Price | €89/month | $29/month |
| Pricing Model | Credit-based (one credit per dubbed minute, two with lip sync) | Credits + seats |
| Free plan | ✗ No | ✓ Yes |
| Enterprise Plans | ✓ Yes | ✓ Yes |
Data Privacy & Compliance
Data privacy is where these two platforms differ most. Dubly.AI hosts in the EU (Germany (EU)) including a DPA and no AI training on customer data, HeyGen in the US (USA), with SOC 2 Type II certification, and states GDPR compliance. For European enterprises or anyone handling sensitive content, this section deserves careful attention.
| Requirement | Dubly.AI | HeyGen |
|---|---|---|
| Server Location | Germany (EU) | USA |
| DPA Available | ✓ Yes | ✓ Yes |
| No AI Training | ✓ Yes | ✗ No |
Strengths & Weaknesses
Dubly.AI
Strengths
- ✓ Highest score in the independent lip-sync benchmark: 96.4 / 100 (Sept 2026, 1,000 videos, five blind raters per video)
- ✓ Servers in Germany, no AI training on customer data, DPA available on every plan
- ✓ Built-in review workflow: invite external native-speaker reviewers at no seat cost, edit every segment before synthesis, unlimited revisions
- ✓ Glossary holds your terminology across all target languages
Weaknesses
- ✗ No free plan — the trial covers one short video
- ✗ Lip sync is an optional add-on that doubles credit usage (25 credits = 12 minutes with lip sync)
- ✗ UI less polished than some competitors
HeyGen
Strengths
- ✓ Widest language coverage here: 175+ target languages
- ✓ Entry price $29/month (Creator), with a free plan to try
- ✓ Avatar IV, script-to-video and faceswap in one platform
- ✓ GDPR documentation: SOC 2 Type II, EU-US Data Privacy Framework, public DPA
Weaknesses
- ✗ Lip sync scores 76.8 / 100 in the independent benchmark — well behind the leader on real footage
- ✗ Per-seat pricing adds up for teams ($20 per extra seat on Business, $149/month)
- ✗ AI training on your content is opt-out rather than excluded by default
Frequently Asked Questions
Is Dubly.AI better than HeyGen?
It depends on your use case. Our pick for business video translation, training and e-learning and 7 more use cases: Dubly.AI. Our pick for avatar videos and the widest language coverage: HeyGen. This comparison breaks down the differences across lip sync quality, pricing, features, and data privacy.
How much does Dubly.AI cost compared to HeyGen?
Dubly.AI starts at €89/month (Credit-based (one credit per dubbed minute, two with lip sync)). HeyGen starts at $29/month (Credits + seats). Both offer different pricing models, so the actual cost depends on your usage volume.
Which tool has better lip sync quality?
Dubly.AI scores 96.4 / 100 · Excellent in the independent lip-sync benchmark (September 2026), HeyGen 76.8 / 100 · Good.
Read Full Reviews
Dive deeper into each platform with our individual reviews.
Continue Reading
Sources & Further Reading
- Dubly.AI Official Website — Dubly.AI, 2026
- HeyGen Official Website — HeyGen, 2026
- AI Video Translation Market Report — Market.us, October 2025