OpticALLY 3D Scan vs 费米扫描
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpticALLY 3D Scan
Capture precise 3D scans of your face with sub-millimeter accuracy using your iPhone's TrueDepth camera. Obtain detailed measurements for custom eyewear or digital avatars, with all processing done securely on your device.
- Sub-millimeter 3D facial scanning
- Twelve clinical measurements
- Export 3D models (.OBJ, .PLY, .USDZ)
- On-device processing for privacy
- More accurate than LiDAR
- Custom avatar and eyewear design
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Designed for the discerning. Powered by your iPhone's TrueDepth camera. Crafted entirely on-device. OpticALLY captures a sub-millimeter 3D scan of your face and computes the exact measurements an optician would take by hand — pupillary distance, bridge, temple, frame and lens width, and more — in seconds. No fitting room, no caliper, no guesswork. — FEATURES — ▸ Export your face in 3D Every scan can be exported as an .OBJ, .PLY, or .USDZ file. Drop it straight into Blender, Fusion 360, ZBrush, or Unity. 3D-print a digital twin, build a custom avatar, or design eyewear that fits only you. ▸ More accurate than LiDAR The front-facing TrueDepth camera projects thousands more depth points onto your face than the rear LiDAR scanner — delivering approximately 0.5 mm of measurement precision. The same hardware Apple trusts for Face ID, repurposed for optical-grade fitting. ▸ Twelve clinical measurements, in real time Binocular and monocular PD, bridge width, nose width, nose length, temple length, frame width, lens width, face width, face height, cheekbone width, jawline width. Every dimension your optician asks for, captured and displayed instantly. ▸ Privacy as a feature, not a footnote Every scan is processed locally on your iPhone. No cloud. No server. No data collected, transmitted, or stored. Your face is yours alone — measurements live in the app, and scan files are discarded when you close it, unless you choose to export them yourself. ▸ OpticALLY Pro Unlock the full measurement set, export, and on-device 3D mesh reconstruction with an OpticALLY Pro subscription. Restore prior purchases anytime from Settings. — REQUIREMENTS — OpticALLY requires an iPhone with a TrueDepth front camera (Face ID). iPads are not supported at this time. — PRIVACY — Privacy policy: https://wonmor.github.io/OpticALLY-iOS/ — TERMS — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
费米扫描
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Fermion3D turns your iPhone into a professional 3D scanner in seconds! With exclusive optimization for the iPhone depth camera, it supports: 1. **Realistic 3D head scanning** — precisely captures facial details 2. **Object 3D modeling** — ideal for e-commerce display and 3D printing 3. **Real-time preview** — instantly view your scanning results 4. **Multi-format export** — compatible with mainstream 3D software Why choose us? * More convenient than laser scanners * More accurate than regular photo-based modeling * Optimized specifically for iPhone models * Models can be used directly for 3D printing and game development Perfect for virtual avatar creation, e-commerce product display, art design, and more. Download now and experience one of the most powerful mobile 3D scanning solutions!
Screenshots
Verdict
The clearest difference is in-app purchases: 费米扫描 at none against OpticALLY 3D Scan's 2. On price, update cadence, 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. OpticALLY 3D Scan sells 2 in-app purchases, starting at $4.99 per month. 费米扫描 asks for nothing beyond the download.
OpticALLY 3D Scan ships an update every 4 months, 费米扫描 every 7 months. The most recent releases landed on July 16, 2026 and June 24, 2026 respectively.
| Parameter | OpticALLY 3D Scan | 费米扫描 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 292 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Wonmo Seong | Shanghai Yunxiao Information Technology Company Limited |
In-app purchases
OpticALLY 3D Scan
- Pro Monthly$4.991 Month
- Pro Yearly$39.991 Year
费米扫描
No in-app purchases









