# 试题库 vs DockB

The clearest difference is update cadence: DockB at every 6 days against 试题库's every 3 months. DockB also leads on device support (3 vs 1) and iOS requirement (15.0 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, DockB every 6 days. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 试题库 | DockB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 18 MB | 168 MB |
| Requires iOS | 17 | **15.0** |
| 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) | [Digital Learning GmbH](https://appshunter.io/developer/919469681) |

## What reviewers say

### 试题库

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

**In-app purchases:** none


### DockB

[App page](https://appshunter.io/ios/app/dockb/id1559735769)

This app facilitates communication and learning for participants and staff of the Berufsbildungswerk Südhessen. It offers calendar integration, news updates including meal plans, group discussions, and direct chat or video conferencing for easy contact and collaboration.

**Highlights:** Calendar with appointment details, Outlook integration, Push notifications for appointments, Weekly meal plan updates, Newsfeed for events and topics, Group discussions, Direct chat and video meetings

**Features:** macOS Compatibility, Apple Wallet, 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 DockB free?

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

### Do 试题库 or DockB have ads?

Neither 试题库 nor DockB shows ads.

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

试题库 ships an update every 3 months, and DockB every 6 days. Most recently, 试题库 was updated on September 13, 2026 and DockB on September 14, 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.*