Undress.app vs SoulGen: Which AI Girlfriend Is Better?
Side-by-side comparison — updated April 2026
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
SoulGen
High-quality NSFW generation with detailed creative control. Photo reference uploads, tag customisation and fast generation speed.
Overall: 9.0/10
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
SoulGen
Starting price: $12.99
Free plan: Yes
- Realistic portrait-quality NSFW output with fine detail in skin texture and lighting
- Photo reference upload for guided, personalised generation beyond pure text prompts
- Tag-based customisation and inpainting tools for precise output refinement
| Category | Undress.app | SoulGen |
|---|---|---|
| Visual realism & output | 8.5/10 | 9.5/10 |
| Image generation | 8.5/10 | 9.3/10 |
| Generation speed | 9.0/10 | 9.1/10 |
| Process control | 6.5/10 | 9.2/10 |
| Pricing & value | 8.0/10 | 8.9/10 |
| User experience | 9.0/10 | 8.8/10 |
| NSFW quality | 8.8/10 | 9.4/10 |
| Privacy & data policies | 9.5/10 | 8.0/10 |
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
SoulGen — Pros & Cons
✓ High-quality portrait-style realistic output
✓ Photo reference uploads for personalised generation
✓ Fast generation speed under five seconds
✓ Tag-based and text prompt customisation
✓ Inpainting and outpainting editing tools
✓ Both realistic and anime output styles available
✓ Competitive pricing relative to output quality
✗ Not a dedicated clothes-removal tool - workflow differs from pure undress apps
✗ Full NSFW feature set requires paid plan
✗ Free tier is volume-limited
✗ Anime style may not suit users looking for photorealistic undress only
✗ Reference image privacy should be reviewed before uploading
✗ Adult-use and consent precautions always apply
How We Scored Them
Undress.app
Overall: 8.5/10
SoulGen
Overall: 9.0/10
Winner