# ABC防伪查询 vs 建筑采光计算器

The clearest difference is price: ABC防伪查询 at Free against 建筑采光计算器's $3.99. ABC防伪查询 also leads on update cadence (every 2 months vs every 31 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ABC防伪查询 is free to download; 建筑采光计算器 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ABC防伪查询 ships an update every 2 months, 建筑采光计算器 every 31 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ABC防伪查询 | 建筑采光计算器 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 31 months |
| Size | 49 MB | 3 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenyang AnChuang Information Technology Co.,Ltd](https://appshunter.io/developer/537560826) | [万滨 杜](https://appshunter.io/developer/1182683363) |

## What reviewers say

### ABC防伪查询

[App page](https://appshunter.io/ios/app/abc/id1360995888)

**Features:** macOS Compatibility

**In-app purchases:** none


### 建筑采光计算器

[App page](https://appshunter.io/ios/app/id1579671239)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ABC防伪查询 free?

ABC防伪查询 is free to download, with no in-app purchases.

### Is 建筑采光计算器 free?

建筑采光计算器 costs $3.99, with no in-app purchases.

### Do ABC防伪查询 or 建筑采光计算器 have ads?

Neither ABC防伪查询 nor 建筑采光计算器 shows ads.

### Which is updated more often, ABC防伪查询 or 建筑采光计算器?

ABC防伪查询 ships an update every 2 months, and 建筑采光计算器 every 31 months. Most recently, ABC防伪查询 was updated on October 26, 2026 and 建筑采光计算器 on October 24, 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.*