Charm vs PreView
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Charm
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Struggling to know what to say? Charm is your AI-powered dating wingman that helps you craft the perfect responses, bios, and opening lines. CONVERSATION ANALYSIS Upload a screenshot of your conversation and get AI-powered response suggestions in seconds. Choose from Flirty, Funny, or Smooth styles. BIO WRITER Create an irresistible dating profile bio that stands out. Just tell us about yourself and let AI craft the perfect bio. OPENING LINE GENERATOR Never run out of creative ways to start a conversation. Get personalized openers based on their profile. VIBE CHECK Not sure if your message is good? Rate it before you send and avoid cringe moments. FREE TO START Get 3 free AI analyses per day. Upgrade to Pro for unlimited access. Download Charm and never be stuck on what to say again! Privacy Policy URL: https://www.yungdevelopment.com/privacy Terms Of Service URL: https://www.yungdevelopment.com/terms
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 update cadence: Charm at every 3 weeks against PreView's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Charm sells 2 in-app purchases, starting at $1.99 per 7 days and PreView sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
Charm ships an update every 3 weeks, PreView every 2 months. The most recent releases landed on October 10, 2026 and October 26, 2026 respectively.
| Parameter | Charm | PreView |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 3 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | β | Freemium |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.6 | 17.0 β better |
| Further details β not scored | ||
| Size | 24 MB | 173 MB |
| Age rating | 17+ | 4+ |
| Developer | Yung Development LLC | sanghun cho |
In-app purchases
Charm
- Charm Pro Weekly$1.997 Days
- Charm Pro Yearly7 Days trial$29.991 Year
PreView
- Monthly Subscription$6.991 Month
- Yearly Subscription$69.991 Year
- Lifetime License$149.99









