# DRA Viewer vs mapry建築

The clearest difference is in-app purchases: DRA Viewer at none against mapry建築's 1. DRA Viewer also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. mapry建築 sells 1 in-app purchase, starting at $5.99 per month. DRA Viewer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DRA Viewer | mapry建築 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 27 MB | 144 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社建築ピボット](https://appshunter.io/developer/1450903325) | [MAPRY Co., Ltd.](https://appshunter.io/developer/1394357768) |

## What reviewers say

### DRA Viewer

[App page](https://appshunter.io/ios/app/dra-viewer/id1450903326)

**In-app purchases:** none


### mapry建築

[App page](https://appshunter.io/ios/app/mapry/id6572285559)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mapry建築(monthly paid plan) | $5.99 | per month |


## Frequently asked questions

### Is DRA Viewer free?

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

### Is mapry建築 free?

mapry建築 is free to download, with in-app purchases available.

### Do DRA Viewer or mapry建築 have ads?

Neither DRA Viewer nor mapry建築 shows ads.

### Which is updated more often, DRA Viewer or mapry建築?

DRA Viewer ships an update every 2 months, and mapry建築 every 2 months. Most recently, DRA Viewer was updated on October 7, 2026 and mapry建築 on October 2, 2026.

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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.*