# 智慧用电 Pro vs DK

The clearest difference is update cadence: DK at every 6 days against 智慧用电 Pro's every 6 weeks. 智慧用电 Pro's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

智慧用电 Pro ships an update every 6 weeks, DK every 6 days. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | 智慧用电 Pro | DK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Size | 82 MB | 90 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mantunsci](https://appshunter.io/developer/1061501764) | [跃强 李](https://appshunter.io/developer/6800961421) |

## What reviewers say

### 智慧用电 Pro

[App page](https://appshunter.io/ios/app/pro/id1563152179)

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

**In-app purchases:** none


### DK

[App page](https://appshunter.io/ios/app/dk-ai/id6801022322)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智慧用电 Pro free?

智慧用电 Pro is free to download, with no in-app purchases.

### Is DK free?

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

### Do 智慧用电 Pro or DK have ads?

Neither 智慧用电 Pro nor DK shows ads.

### Which is updated more often, 智慧用电 Pro or DK?

智慧用电 Pro ships an update every 6 weeks, and DK every 6 days. Most recently, 智慧用电 Pro was updated on September 12, 2026 and DK on September 11, 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.*