RY vs 型钢截面
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RY
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支持蓝牙控制器控制灯具,包含RDM功能,480控台,可以用于场地调试和部分小型场地,可以编辑灯光秀
型钢截面
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标题:SteelSection - 型钢截面查询手册 描述: SteelSection 是一款专业的结构钢截面数据查询工具,收录了 GB/YB/JG 等国家及行业标准中的完整型钢数据库。 覆盖 12 大截面类型,包含 H 型钢、工字钢、槽钢、角钢、T 型钢、钢管、箱型钢、Z 形钢、圆形、矩形等,数百个细分规格。每个截面均可查看详细的几何参数和力学性能(A、G、Ix、Iy、Wx、Wy、rx、ry 等)。 功能亮点: • 完整的国标型钢截面数据库,离线可用 • 按分类/规格快速检索 • 自定义截面参数计算 • 收藏常用型钢 • 一键分享截面数据 • 简洁专业的设计,适合工程现场使用 适用于结构工程师、钢结构设计师、施工管理人员及土木工程专业学生。 Title: SteelSection - Steel Section Reference Description: SteelSection is a professional structural steel section reference tool featuring a comprehensive database of Chinese national standards (GB/YB/JG). Covers 12 major section categories including H-beams, I-beams, channels, angles, T-sections, steel pipes, box sections, Z-sections, round bars, and rectangular bars with hundreds of specifications. Each section includes detailed geometric parameters and mechanical properties. Key Features: • Complete GB standard steel section database, available offline • Fast search by category and specification • Custom section calculator • Bookmark frequently used sections • One-tap sharing of section data • Clean, professional design for on-site engineering use Perfect for structural engineers, steel structure designers, construction managers, and civil engineering students.
Screenshots
Verdict
The clearest difference is in-app purchases: RY at none against 型钢截面's 2. 型钢截面's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 型钢截面 sells 2 in-app purchases, starting at $0.99 per month. RY asks for nothing beyond the download.
RY ships an update every 4 months, 型钢截面 every 4 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.
| Parameter | RY | 型钢截面 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 25 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou RuiYang Lighting Technology Co. Ltd. | 涛 齐 |
In-app purchases
RY
No in-app purchases
型钢截面
- 高级版 · 月费$0.991 Month
- 高级版 · 年费$2.991 Year









