# AViewer(에이뷰어) vs 열관류율계산기

The clearest difference is review sentiment: AViewer(에이뷰어) at 100% against 열관류율계산기's 50%. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AViewer(에이뷰어) | 열관류율계산기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aviewer/id1225508185/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 27 MB | 2 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BGWELL](https://appshunter.io/developer/1620299639) | [donghyun KIM](https://appshunter.io/developer/1246064897) |

## What reviewers say

### AViewer(에이뷰어)

[App page](https://appshunter.io/ios/app/aviewer/id1225508185)

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.

**Highlights:** Web and mobile synchronization, View PDF drawings and documents, Personal and shared markups, Extract drawing numbers and names, User permission settings

**In-app purchases:** none


### 열관류율계산기

[App page](https://appshunter.io/ios/app/allnew/id1463908162)

This application automatically calculates thermal transmittance (U-value) using the latest domestic databases and standards. It provides detailed information on insulation materials, historical energy-saving design standards, and a U-value calculator for various wall structures. It also offers insulation material alternatives and can generate energy-saving plans from 3D models.

**Highlights:** Insulation material types and specifications, Historical energy-saving design standards, U-value calculator for wall structures, Insulation material alternatives and recommendations, BIM energy-saving plan generation, Inventory/construction quote requests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AViewer(에이뷰어) free?

AViewer(에이뷰어) is free to download, with no in-app purchases.

### Is 열관류율계산기 free?

열관류율계산기 is free to download, with no in-app purchases.

### Do AViewer(에이뷰어) or 열관류율계산기 have ads?

Neither AViewer(에이뷰어) nor 열관류율계산기 shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*