Comparison

3D Model Viewer vs QR & Barcode

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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!

About

QR & Barcode

Features
Read 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

3D Model Viewer3 screens
QR & Barcode2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3D Model Viewer sells 5 one-off in-app purchases. QR & Barcode asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
3D Model Viewer versus QR & Barcode: the parameters behind the verdict, then further details
Parameter3D Model ViewerQR & Barcode
PriceFreeFree
Rating4.2 (328 ratings) — better—
Positive reviews59.2% of reviews—
Number of ratings328 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size28 MB29 MB
Age rating4+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

5 purchases

3D Model Viewer

One-time5
  • Remove Ads$1.99
  • Model & Screenshot Output$1.99
  • Background from Album$1.99
Show 2 more
  • Large File Model$1.99
  • All Features$5.99
None

QR & Barcode

No in-app purchases

Questions

Is 3D Model Viewer free?
3D Model Viewer is free to download, with in-app purchases available.
Is QR & Barcode free?
QR & Barcode is free to download, with no in-app purchases.
Do 3D Model Viewer or QR & Barcode have ads?
Both 3D Model Viewer and QR & Barcode show ads.
Which is updated more often, 3D Model Viewer or QR & Barcode?
3D Model Viewer ships an update every 3 weeks, and QR & Barcode every 4 days. Most recently, 3D Model Viewer was updated on October 24, 2026 and QR & Barcode on October 25, 2026.

Other comparisons