# SmartPV vs 电丁丁

The clearest difference is update cadence: 电丁丁 at every 3 days against SmartPV's every 6 weeks. SmartPV's advantage is iOS requirement (13.0 vs 15.0). 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.

SmartPV ships an update every 6 weeks, 电丁丁 every 3 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SmartPV | 电丁丁 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1065788942/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 24 MB | 64 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Taoke Network Co.,Ltd](https://appshunter.io/developer/497903387) | [上海华宿电气股份有限公司](https://appshunter.io/developer/1065788941) |

## What reviewers say

### SmartPV

[App page](https://appshunter.io/ios/app/smartpv/id901795808)

Monitor your photovoltaic plant's real-time performance with this app. View energy generation, device power, and plant status. Access detailed unit monitoring and weather data for comprehensive insights.

**Highlights:** Real-time PV plant data, Energy generation tracking, Device power monitoring, Plant status updates, Detailed unit monitoring, Integrated weather data

**Features:** macOS Compatibility

**In-app purchases:** none


### 电丁丁

[App page](https://appshunter.io/ios/app/id1065788942)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartPV free?

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

### Is 电丁丁 free?

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

### Do SmartPV or 电丁丁 have ads?

Neither SmartPV nor 电丁丁 shows ads.

### Which is updated more often, SmartPV or 电丁丁?

SmartPV ships an update every 6 weeks, and 电丁丁 every 3 days. Most recently, SmartPV was updated on October 13, 2026 and 电丁丁 on October 24, 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.*