# 建标库HD vs Doroad Reader

The clearest difference is in-app purchases: 建标库HD at none against Doroad Reader's 4. 建标库HD also leads on iOS requirement (8.0 vs 16.0). Doroad Reader's advantage is update cadence (fortnightly vs every 7 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Doroad Reader sells 4 in-app purchases, starting at $0.99 per month. 建标库HD asks for nothing beyond the download.

建标库HD ships an update every 7 months, Doroad Reader fortnightly. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 建标库HD | Doroad Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hd/id589314959/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 18 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Luoyang Jianbiao Library Network Technology Co., Ltd.](https://appshunter.io/developer/1460554486) | [上海多条禄信息技术有限公司](https://appshunter.io/developer/1761429609) |

## What reviewers say

### 建标库HD

[App page](https://appshunter.io/ios/app/hd/id589314959)

Access a comprehensive collection of architectural standards, regulations, and technical resources. This platform offers a community for industry professionals to exchange knowledge and stay updated on the latest building codes and practices.

**Highlights:** Extensive building standards and regulations, Large collection of architectural resources, Technical exchange community, Updated national and industry standards, Improved display and browsing experience, Update reminders and convenient downloads

**Features:** macOS Compatibility

**In-app purchases:** none


### Doroad Reader

[App page](https://appshunter.io/ios/app/doroad-reader/id6615060880)

This app offers a seamless reading experience for various ebook formats. Organize your library, track reading goals, and customize your reading environment with extensive text and color settings. Sync your progress across multiple Apple devices.

**Highlights:** Supports PDF, EPUB, TXT, MOBI, AZW formats, Reading goal and progress tracking, Bookshelf management with sorting and search, Text annotation and full-text search, Cross-device sync via iCloud, Customizable reading settings (layout, color), Quick page navigation options

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Quarterly Premium | $1.99 | per 3 months |
| Annual Premium | $4.99 | per year |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is 建标库HD free?

建标库HD is free to download, with no in-app purchases.

### Is Doroad Reader free?

Doroad Reader is free to download, with in-app purchases available.

### Do 建标库HD or Doroad Reader have ads?

Neither 建标库HD nor Doroad Reader shows ads.

### Which is updated more often, 建标库HD or Doroad Reader?

建标库HD ships an update every 7 months, and Doroad Reader fortnightly. Most recently, 建标库HD was updated on September 9, 2026 and Doroad Reader on September 15, 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.*