# 黑湖打印 vs WorkTime Auto

The clearest difference is in-app purchases: 黑湖打印 at none against WorkTime Auto's 4. 黑湖打印 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 18.0). WorkTime Auto's advantage is update cadence (monthly vs every 4 months). On price and ads there is nothing between them.

Both are free to download. WorkTime Auto sells 4 in-app purchases, starting at $0.99 per month. 黑湖打印 asks for nothing beyond the download.

黑湖打印 ships an update every 4 months, WorkTime Auto monthly. The most recent releases landed on October 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 黑湖打印 | WorkTime Auto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 15 MB | 23 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Black Lake Technologies Co., Ltd.](https://appshunter.io/developer/1179669485) | [心霖 王](https://appshunter.io/developer/1847154021) |

## What reviewers say

### 黑湖打印

[App page](https://appshunter.io/ios/app/id1668734584)

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

**In-app purchases:** none


### WorkTime Auto

[App page](https://appshunter.io/ios/app/worktime-auto/id6754224378)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Quarterly Pro | $1.99 | per 3 months |
| Yearly Pro | $4.99 | per year |
| Permanent Pro | $24.99 | one-time |


## Frequently asked questions

### Is 黑湖打印 free?

黑湖打印 is free to download, with no in-app purchases.

### Is WorkTime Auto free?

WorkTime Auto is free to download, with in-app purchases available.

### Do 黑湖打印 or WorkTime Auto have ads?

Neither 黑湖打印 nor WorkTime Auto shows ads.

### Which is updated more often, 黑湖打印 or WorkTime Auto?

黑湖打印 ships an update every 4 months, and WorkTime Auto monthly. Most recently, 黑湖打印 was updated on October 8, 2026 and WorkTime Auto on September 20, 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.*