3D Model Viewer vs QR & Barcode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Model Viewer
View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.
- AR and 3D viewing modes
- Supports numerous 3D file formats
- Local and cloud document integration
- Customizable backgrounds and shadows
- Model information display (size, volume, etc.)
- Multiple import and sharing options
Read full descriptionHide full description
An advanced 3D model viewer for viewing all kinds of 3D models. Featuring AR viewing, custom rotation pivot and exploded assembly view. Preview mesh models including OBJ, STL, STP, DAE, PLY and Blend, supporting rendering, animation playback, 3D printing and model data inspection. Features 1. Support AR and 3D viewing modes. 2. Customizable background and environment lighting. 3. Animation preview for GLB, GLTF, FBX and more formats. 4. Real-time shadow casting. 5. Local & cloud document management (iCloud, DropBox, etc.). 6. Set custom rotation pivot point for model viewing. 7. Exploded view function to separate assembly parts. 8. Wide format support: STP, STEP, BERP, IGES, 3DS, OBJ, GLB, GLTF, STL, SLC, 3MF, PLY, OFF, DAE, Blend, FBX, USDZ, MD2, MD3, MD5, MDL, MS3D, DXF, X Read packaged archives containing models, MTL files and textures: ZIP, RAR. 9. Multiple import ways: iTunes File Sharing, AirDrop, iCloud, email attachments, web download. 10. File sharing via AirDrop or Email. 11. Capture, share and save screenshots. 12. Auto rotation and full-screen viewing mode. 13. Display model metrics: dimensions, volume, surface area, vertex count and triangle count. 14. Folder management in the file browser. If you have any suggestions or questions, please email belighten@gmail.com. Thank you for your support!
QR & Barcode
Read full descriptionHide full description
바코드 & QR 스캐너 — 빠르고 정확한 코드 인식 카메라를 코드에 갖다 대기만 하면 자동으로 인식되는 직관적인 스캐너 앱입니다. [ 주요 기능 ] 자동 인식 카메라를 향하는 순간 코드를 자동 감지합니다. 버튼을 누를 필요가 없습니다. 시각 및 청각 피드백 인식 성공 시 화면에 초록색 인식 라인이 표시되고, 경쾌한 알림음이 재생되어 정확히 스캔되었는지 바로 알 수 있습니다. 바코드 종류 표시 QR 코드인지, EAN-13 바코드인지, Code128인지 결과 화면에서 바로 확인할 수 있습니다. URL 자동 감지 스캔 결과가 웹 주소인 경우 브라우저로 바로 열 수 있습니다. 플래시 지원 어두운 환경에서도 플래시를 켜고 스캔할 수 있습니다. [ 지원 코드 형식 13가지 ] QR 코드 / EAN-13 / EAN-8 / UPC-A / UPC-E / Code 128 / Code 39 / Code 93 / ITF-14 / Codabar / PDF417 / Aztec / Data Matrix [ 이런 분께 추천 ] 상품 바코드를 자주 확인하는 분 QR 코드 링크를 빠르게 열고 싶은 분 업무에서 바코드를 자주 스캔하는 분 창고 및 재고 관리가 필요한 분
Screenshots
Verdict
The clearest difference is in-app purchases: QR & Barcode at none against 3D Model Viewer's 5. QR & Barcode also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. 3D Model Viewer sells 5 one-off in-app purchases. QR & Barcode asks for nothing beyond the download.
3D Model Viewer ships an update every 3 weeks, QR & Barcode every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | 3D Model Viewer | QR & Barcode |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (328 ratings) — better | — |
| Positive reviews | 59.2% of reviews | — |
| Number of ratings | 328 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 28 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | 健 钟 | INSEOK CHOI |
Bugs and requests
3D Model Viewer
Reported bugs
3 issues- App crashes when trying to delete models
- Cannot open .3mf and .glb files
- Texture and shading issues with some models
Requested features
4 requests- Add support for more 3D file formats
- Improve model rendering quality
- Implement better file management options
- Provide more customization and control over model view
QR & Barcode
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3D Model Viewer
- Remove Ads$1.99
- Model & Screenshot Output$1.99
- Background from Album$1.99
Show 2 moreShow fewer
- Large File Model$1.99
- All Features$5.99
QR & Barcode
No in-app purchases
Questions
Is 3D Model Viewer free?
Is QR & Barcode free?
Do 3D Model Viewer or QR & Barcode have ads?
Which is updated more often, 3D Model Viewer or QR & Barcode?
Other comparisons















