AViewer(에이뷰어) vs CaasWorks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AViewer(에이뷰어)
Access construction site design documents anytime, anywhere. Upload PDFs from the web and view them on mobile, with options for personal or shared markups and automatic drawing number extraction. Manage user permissions for controlled access.
- Web and mobile synchronization
- View PDF drawings and documents
- Personal and shared markups
- Extract drawing numbers and names
- User permission settings
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AViewer 언제 어디서든 건설현장의 설계문서를 확인할 수 있습니다. * 웹과 모바일 연동 - 웹에서 업로드한 정보를 모바일에서 바로 확인할 수 있습니다. - PDF 도면 및 자료를 웹에서 업로드 하고 모바일로 확인 및 팀원과 공유할 수 있습니다. * 설계문서 보기 - 언제 어디서든 다양한 디바이스를 통해 설계문서를 확인할 수 있습니다. * 마크업 - 개인 마크업 : 메모, 도형 등의 마크업을 PDF 도면에 추가할 수 있습니다. - 공유 마크업 : 메모, 도형 등의 마크업을 PDF 도면에 추가하고 팀원과 공유할 수 있습니다. * 도면번호 및 도면명 추출 - 웹에서 PDF 도면 업로드 시, 다양한 방법으로 도면번호 및 도면명을 추출할 수 있습니다. * 권한설정 - 관리자/일반/게스트 권한에 따라 사용을 제한할 수 있습니다.
CaasWorks
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Smart Construction Platform as a Service CaasWorks provides everything you need for collaboration among stakeholders, including building project management. Effective data of all construction projects, including various documents, photographic data, business data, and drawing data, shall be provided. Manage reliably. CaasWorks Service Description On-site Camera: You can take and collect on-site situations with your smartphone, and you can mark the location of photos and videos on the drawing. On-site broadcasting: The site can be broadcasted in real time and shared to a remote location. Job report: You can write and record the work details on the day and view the recorded details. RFI: You can manage issues in the field with documents. Minutes: Minutes can be created and shared among participants. Schedule : Project progress and future schedule can be managed. Drawing: You can check the field drawing with your smartphone. It is convenient and easy to manage construction projects with just CaasWorks.
Screenshots
Verdict
The clearest difference is update cadence: CaasWorks at every 3 weeks against AViewer(에이뷰어)'s every 3 months. AViewer(에이뷰어)'s advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
AViewer(에이뷰어) ships an update every 3 months, CaasWorks every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | AViewer(에이뷰어) | CaasWorks |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 27 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | BGWELL | Jongmin Kim |
In-app purchases
AViewer(에이뷰어)
No in-app purchases
CaasWorks
No in-app purchases
