# Sermatec vs 乐刷

The clearest difference is update cadence: Sermatec at every 3 weeks against 乐刷's every 2 months. 乐刷's advantage is iOS requirement (13.0 vs 15.6). 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.

Sermatec ships an update every 3 weeks, 乐刷 every 2 months. The most recent releases landed on October 10, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sermatec | 乐刷 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 62 MB | 73 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Sermatec Energy Technology CO.,LTD](https://appshunter.io/developer/1503982937) | [乐刷科技有限公司](https://appshunter.io/developer/1286586796) |

## What reviewers say

### Sermatec

[App page](https://appshunter.io/ios/app/sermatec/id1503982938)

Monitor the status of integrated optical storage machines and view overall power station performance. Access real-time data charts, predict power generation efficiency, and manage historical alarms. Supports multiple power station and device management with online configuration and multi-account login.

**Highlights:** View overall power station status, Real-time data status charts, Equipment power generation efficiency prediction, Historical alarm monitoring, Multiple power station management, Online configuration

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

**In-app purchases:** none


### 乐刷

[App page](https://appshunter.io/ios/app/id6795431105)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sermatec free?

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

### Is 乐刷 free?

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

### Do Sermatec or 乐刷 have ads?

Neither Sermatec nor 乐刷 shows ads.

### Which is updated more often, Sermatec or 乐刷?

Sermatec ships an update every 3 weeks, and 乐刷 every 2 months. Most recently, Sermatec was updated on October 10, 2026 and 乐刷 on October 29, 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.*