DeepSwap vs Undress.app: Which AI Girlfriend Is Better?
Side-by-side comparison — updated April 2026
DeepSwap
Top dedicated video face-swap pick in this category — Best for users whose workflow centres on video rather than static photo undress. Hot for mobile.
Overall: 8.9/10
Undress.app
Undress.app is the most accessible entry point in the undress AI category — anonymous sign-up, real free trial, fast one-click workflow and a cleaner UX than most competitors. It lacks advanced controls like mask editing or iterative retry, but it is the clearest and most consistently recommended starting point in this space.
Overall: 8.5/10
DeepSwap
Starting price: $9.99
Free plan: Yes
- Video face-swap with 96.2% identity consistency and 4K HD output — up to 6 faces simultaneously
- NSFW AI video generator with text-to-video and image-to-video workflows
- Browser-based, no app download — works on desktop and mobile with freemium entry
Undress.app
Starting price: $0.00
Free plan: Yes
- Anonymous sign-up — no personal data required to get started
- Multiple generation modes for different output styles
- No data storage policy — images not saved after processing
| Category | DeepSwap | Undress.app |
|---|---|---|
| Visual realism & output | 9.2/10 | 8.5/10 |
| Image generation | 9.0/10 | 8.5/10 |
| Generation speed | 9.0/10 | 9.0/10 |
| Process control | 9.1/10 | 6.5/10 |
| Pricing & value | 9.0/10 | 8.0/10 |
| User experience | 8.8/10 | 9.0/10 |
| NSFW quality | 9.3/10 | 8.8/10 |
| Privacy & data policies | 7.9/10 | 9.5/10 |
DeepSwap — Pros & Cons
✓ 96.2% identity consistency in video face-swap
✓ 4K HD output with multi-face support up to 6 faces
✓ NSFW AI video generator — text-to-video and image-to-video
✓ Browser-based — no app download, works on mobile
✓ 2 free face swaps per day on free tier
✓ Affordable at $9.99/month or $49.99/year
✓ Fast processing — 15-second clip under one minute
✗ Free tier limited to 2 swaps per day with watermarks
✗ Credit system can add up for heavy video users
✗ Annual plan price doubles after first year ($99.99)
✗ Not a dedicated photo undress tool — different workflow
✗ Server-side processing — images and video leave the device
✗ Adult-use and consent precautions always apply
Undress.app — Pros & Cons
✓ Anonymous sign-up — no real identity required
✓ Free trial access with referral credit system
✓ Fast one-click workflow, no technical setup needed
✓ Multiple generation modes offer basic output control
✓ No data storage policy, clearer privacy stance than most competitors
✓ Clean UX with fewer intrusive pop-ups than clone alternatives
✓ 100,000+ daily users — most referenced brand in the category
✗ No mask or area-selection tools for fine-grained control
✗ Full pricing tiers not transparently listed on homepage
✗ Output quality depends heavily on input image quality and pose
✗ No iterative retry tools within the same session
✗ Free credits are limited without referral activity
✗ No native mobile app — web browser only
How We Scored Them
DeepSwap
Overall: 8.9/10
WinnerUndress.app
Overall: 8.5/10