# 智能用电运维 vs Langboard

The clearest difference is in-app purchases: 智能用电运维 at none against Langboard's 3. 智能用电运维 also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.0). Langboard's advantage is update cadence (every 2 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Langboard sells 3 in-app purchases, starting at $0.99 per month. 智能用电运维 asks for nothing beyond the download.

智能用电运维 ships an update every 5 months, Langboard every 2 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 智能用电运维 | Langboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 63 MB | 38 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [山东和远智能科技股份有限公司](https://appshunter.io/developer/1340752431) | [晓冬 黄](https://appshunter.io/developer/1891291794) |

## What reviewers say

### 智能用电运维

[App page](https://appshunter.io/ios/app/id6480404587)

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

**In-app purchases:** none


### Langboard

[App page](https://appshunter.io/ios/app/langboard/id6796965860)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| Lifetime plan | $9.99 | one-time |


## Frequently asked questions

### Is 智能用电运维 free?

智能用电运维 is free to download, with no in-app purchases.

### Is Langboard free?

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

### Do 智能用电运维 or Langboard have ads?

Langboard shows ads; 智能用电运维 does not.

### Which is updated more often, 智能用电运维 or Langboard?

智能用电运维 ships an update every 5 months, and Langboard every 2 days. Most recently, 智能用电运维 was updated on October 8, 2026 and Langboard on October 10, 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.*