# 建标库HD vs 一草亭读书

The clearest difference is in-app purchases: 建标库HD at none against 一草亭读书's 8. 建标库HD also leads on iOS requirement (8.0 vs 11.0). 一草亭读书's advantage is update cadence (every 9 days vs every 7 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 一草亭读书 sells 8 in-app purchases, starting at $99.99 per year. 建标库HD asks for nothing beyond the download.

建标库HD ships an update every 7 months, 一草亭读书 every 9 days. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 建标库HD | 一草亭读书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hd/id589314959/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 29 MB | 154 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Luoyang Jianbiao Library Network Technology Co., Ltd.](https://appshunter.io/developer/1460554486) | [Shanghai Verantwortung Information Technology Co.,Ltd.](https://appshunter.io/developer/1479000176) |

## 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


### 一草亭读书

[App page](https://appshunter.io/ios/app/id6443579499)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP私塾卡会员包年 | $99.99 | per year |
| 21天私塾体验卡 | $1.99 | one-time |
| VIP会员年卡优惠200元 | $45.99 | one-time |
| 私塾年卡 | $49.99 | one-time |
| VIP会员限时88折，买一年送一年 | $59.99 | one-time |
| VIP会员限时9折，买一年送一年 | $59.99 | one-time |
| VIP会员限时新生价 买一年送一年 | $69.99 | one-time |
| VIP会员包年 | $99.99 | 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 一草亭读书 free?

一草亭读书 is free to download, with in-app purchases available.

### Do 建标库HD or 一草亭读书 have ads?

Neither 建标库HD nor 一草亭读书 shows ads.

### Which is updated more often, 建标库HD or 一草亭读书?

建标库HD ships an update every 7 months, and 一草亭读书 every 9 days. Most recently, 建标库HD was updated on September 9, 2026 and 一草亭读书 on September 7, 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.*