上門 vs PreView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
上門
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上門係一個讓人可以安坐家中，預約專家上門扮靚的平台，顧客只需按喜好或位置，就可以和髮型師、美甲師、紋繡師和美容師配對預約；專業用戶更可以利用上門平台，當做自己預約秘書，所有預約一目了然。
PreView
This app helps beauty professionals simulate PMU (Permanent Makeup) results for clients. It offers AI-powered brow removal, golden ratio guides, realistic texture simulations, and shareable before/after care cards. Clients can also use it to preview designs on their own faces.
- AI brow removal
- Golden ratio facial analysis
- Realistic PMU texture simulation
- Before & After care card creation
- Web and app client consultation hub
- Simulate on own face
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1. 'Smart Consultation Hub' - Web & App Integration Clients easily upload photos on your dedicated webpage, and you receive real-time notifications in the app. No more saving photos from messages or organizing galleries - all consultations are systematically managed. 2. 'AI Concealer' - Erase Without a Trace Struggling with consultations due to existing brow marks? Our advanced AI removes existing brows in 1 second, giving you a clean canvas to showcase new designs. 3. 'Golden Ratio Guide' - Build Trust "Just make it pretty" is the hardest request, right? Show clients the golden ratio guidelines based on facial structure and symmetry analysis. Add credibility to your professional recommendations. 4. 'Real Texturing' - Authentic Techniques Embossing, microshading, combo, hair stroke - we've replicated the texture of real professional techniques. Adjust color types and density to show not just the fresh result, but the natural healed look over time. 5. 'Care Card' - Impressive Finishing Touch Create stylish 'Care Cards' with simulated Before & After photos to send to clients. Build confidence in the results and differentiate your studio's service. (Regular users can also download the app to simulate on their own face!) [Terms of Service] https://previewapp.co.kr/terms [Privacy Policy] https://previewapp.co.kr/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: 上門 at none against PreView's 3. 上門 also leads on update cadence (weekly vs every 2 months) and iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PreView sells 3 in-app purchases, starting at $6.99 per month. 上門 asks for nothing beyond the download.
上門 ships an update weekly, PreView every 2 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.
| Parameter | 上門 | PreView |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 88 MB | 173 MB |
| Age rating | 4+ | 4+ |
| Developer | HIPPOS Systems Limited | sanghun cho |
In-app purchases
上門
No in-app purchases
PreView
- Monthly Subscription$6.991 Month
- Yearly Subscription$69.991 Year
- Lifetime License$149.99
