# ZK助手 vs 思联三维看图

The clearest difference is review sentiment: ZK助手 at 96% against 思联三维看图's 0%. ZK助手 also leads on rating (4.8 vs 3.7) and update cadence (every 2 weeks vs every 2 months). 思联三维看图's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ZK助手 sells 3 one-off in-app purchases and 思联三维看图 sells 10 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ZK助手 holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: ZK助手 has 108 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 96% of ZK助手's written reviews are positive against 0% of 思联三维看图's.

ZK助手 ships an update every 2 weeks, 思联三维看图 every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ZK助手 | 思联三维看图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (108 ratings)](https://appshunter.io/ios/app/zk/id1498018958/reviews)** | [3.7 (7 ratings)](https://appshunter.io/ios/app/cad/id1517538948/reviews) |
| Number of ratings | **108** | 7 |
| Positive reviews | **96.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 79 MB | 110 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文雪 程](https://appshunter.io/developer/1533529523) | [Nanjing Wiss Software Co., Ltd.](https://appshunter.io/developer/1517538947) |

## What reviewers say

### ZK助手

[App page](https://appshunter.io/ios/app/zk/id1498018958)

This app offers precise timing tools for various needs, including manual time adjustments and countdowns. It features visual and auditory alerts, customizable skins, and a dedicated alarm function for timely reminders.

**Highlights:** Precise time source selection (Beijing/System), Manual time adjustment (seconds, milliseconds), Millisecond highlighting and display toggle, Countdown mode with smart interval detection, Auditory countdown alerts, Customizable skins (solid & colorful), Dedicated alarm function for reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 请作者喝可乐 | $0.99 | one-time |
| 给作者加鸡腿 | $0.99 | one-time |
| 支付￥12移除广告 | $1.99 | one-time |

**What reviewers like**

- 👍 Very useful for grabbing coupons
- 👍 Excellent for grabbing limited items (e.g., Moutai, Linabell)
- 👍 Accurate time display
- 👍 Flexible time placement and transparency settings
- 👍 Smart and intelligent features

**What reviewers complain about**

- 🐛 App is too large, takes up space
- 🐛 Picture in Picture not working on iOS 14.8.1
- 🐛 Phone gets hot with Dynamic Island
- 🐛 No calibration option

**Reported bugs**

- Picture in Picture function is not working for ios 14.8.1
- Phone gets hot with Dynamic Island feature
- No calibration available

**Requested features**

- Add virtual location function
- Add calibration function
- Improve Picture in Picture for older iOS versions


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $3.99 | per month |
| 半年卡 | $19.99 | per 6 months |
| 50G存储空间连续包年服务 | $39.99 | per year |
| 100G空间连续包年服务 | $69.99 | per year |
| 200G空间连续包年服务 | $99.99 | per year |
| 季度VIP | $9.99 | one-time |
| 一年VIP | $29.99 | one-time |
| 3人团一年VIP | $79.99 | one-time |
| 5人团 | $129.99 | one-time |
| 10人团 | $249.99 | one-time |


## Frequently asked questions

### Is ZK助手 free?

ZK助手 is free to download, with in-app purchases available.

### Is 思联三维看图 free?

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

### Which has better reviews, ZK助手 or 思联三维看图?

ZK助手 is rated higher. ZK助手 averages 4.8 out of 5 from 108 ratings, while 思联三维看图 averages 3.7 from 7 ratings.

### Do ZK助手 or 思联三维看图 have ads?

ZK助手 shows ads; 思联三维看图 does not.

### Which is updated more often, ZK助手 or 思联三维看图?

ZK助手 ships an update every 2 weeks, and 思联三维看图 every 2 months. Most recently, ZK助手 was updated on November 7, 2026 and 思联三维看图 on November 3, 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.*