# 思联三维看图 vs CAD快速看图制图

The clearest difference is ads: 思联三维看图 at none against CAD快速看图制图's shown. 思联三维看图 also leads on update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 思联三维看图 sells 28 in-app purchases, starting at $0.99 per month and CAD快速看图制图 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

思联三维看图 ships an update every 2 months, CAD快速看图制图 every 7 months. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 思联三维看图 | CAD快速看图制图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/cad/id1517538948/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Wiss Software Co., Ltd.](https://appshunter.io/developer/1517538947) | [Fingertip Jusheng (Taiyuan) Network Technology Co. LTD](https://appshunter.io/developer/1687910061) |

## What reviewers say

### 思联三维看图

[App page](https://appshunter.io/ios/app/cad/id1517538948)

View and share 3D models and 2D drawings on your mobile device without needing CAD software. Offers features like 3D measurement, model decomposition, and cross-platform data synchronization for collaborative projects.

**Highlights:** Lightweight 3D model browsing, Supports multiple 3D and 2D file formats, Online 3D model format conversion, Encrypted sharing with time limits, Project collaborative office features, Cross-platform data synchronization

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

**In-app purchases (28)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基础看图首购&连续包月 | $0.99 | per month |
| 新用户首购 | $0.99 | per month |
| 基础看图 | $0.99 | per month |
| 基础看图【连续包月】 | $0.99 | per month |
| 连续包月 | $3.99 | per month |
| 连续包季 | $12.99 | per 3 months |
| 半年卡 | $19.99 | per 6 months |
| 5G空间连续包年服务 | $24.99 | per year |
| 50G存储空间连续包年服务 | $39.99 | per year |
| 10G空间连续包年服务 | $39.99 | per year |
| 100G空间连续包年服务 | $69.99 | per year |
| 20G空间连续包年服务 | $69.99 | per year |
| 200G空间连续包年服务 | $99.99 | per year |
| 一日VIP | $0.99 | one-time |
| 基础看图 | $1.99 | one-time |
| 季度VIP | $9.99 | one-time |
| 一年VIP | $19.99 | one-time |
| 特惠一年卡 | $24.99 | one-time |
| 一年VIP | $29.99 | one-time |
| 10G存储空间 | $29.99 | one-time |
| 5G存储空间 | $49.99 | one-time |
| 两年VIP，再赠送一年 | $59.99 | one-time |
| 20G存储空间 | $59.99 | one-time |
| 10G存储空间 | $79.99 | one-time |
| 3人团一年VIP | $79.99 | one-time |
| 5人团 | $129.99 | one-time |
| 20G存储空间 | $149.99 | one-time |
| 10人团 | $249.99 | one-time |


### CAD快速看图制图

[App page](https://appshunter.io/ios/app/cad-pdf/id6478941089)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元特惠体验套餐 | $0.99 | one-time |
| 12元超值优享套餐 | $1.99 | one-time |
| 18元特惠体验套餐 | $2.99 | one-time |
| 28元经济加量套餐 | $3.99 | one-time |
| 订购28元特惠套餐，畅想更体验 | $3.99 | one-time |
| 38元经济加量套餐 | $4.99 | one-time |


## Frequently asked questions

### Is 思联三维看图 free?

思联三维看图 is free to download, with in-app purchases available.

### Is CAD快速看图制图 free?

CAD快速看图制图 is free to download, with in-app purchases available.

### Do 思联三维看图 or CAD快速看图制图 have ads?

CAD快速看图制图 shows ads; 思联三维看图 does not.

### Which is updated more often, 思联三维看图 or CAD快速看图制图?

思联三维看图 ships an update every 2 months, and CAD快速看图制图 every 7 months. Most recently, 思联三维看图 was updated on September 10, 2026 and CAD快速看图制图 on September 21, 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.*