# 试题库 vs VisionWorks

The clearest difference is update cadence: 试题库 at every 3 months against VisionWorks's every 21 months. VisionWorks's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

试题库 ships an update every 3 months, VisionWorks every 21 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 试题库 | VisionWorks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/visionworks/id1666598743/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | — | Free |
| Size | 18 MB | 84 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [中科软股教育科技(北京)股份有限公司](https://appshunter.io/developer/1395665821) | [Analytik Jena US LLC](https://appshunter.io/developer/1666598745) |

## What reviewers say

### 试题库

[App page](https://appshunter.io/ios/app/id1478850740)

**In-app purchases:** none


### VisionWorks

[App page](https://appshunter.io/ios/app/visionworks/id1666598743)

Capture and analyze gel and colony samples directly from your smartphone. This app offers automated image capture and analysis for DNA and protein gels, with cloud-based processing for detailed results.

**Highlights:** Gel and colony sample capture, Automated image capture and analysis, Cloud analysis for 1D lanes and bands, Molecular weight calibration, Area density analysis, Colony counting and classification, Shareable results reports

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 试题库 free?

试题库 is free to download, with no in-app purchases.

### Is VisionWorks free?

VisionWorks is free to download, with no in-app purchases.

### Do 试题库 or VisionWorks have ads?

Neither 试题库 nor VisionWorks shows ads.

### Which is updated more often, 试题库 or VisionWorks?

试题库 ships an update every 3 months, and VisionWorks every 21 months. Most recently, 试题库 was updated on October 26, 2026 and VisionWorks on October 30, 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.*