# S vs SmartCharger.

The clearest difference is update cadence: S at monthly against SmartCharger.'s every 7 months. 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.

S ships an update monthly, SmartCharger. every 7 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | S | SmartCharger. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (91 ratings)](https://appshunter.io/ios/app/s-miles-enduser/id1544760866/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 37.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 224 MB | 18 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) | [深圳市南霸科技有限公司](https://appshunter.io/developer/1485708836) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-miles-enduser/id1544760866)

Monitor your distributed PV power plant's performance with real-time data. View energy generation, module-level details, and receive alarm notifications to ensure optimal operation and expected yield.

**Highlights:** Module-level monitoring, Real-time data display, Energy generation tracking (daily, monthly, annual, total), Alarm information display, Operation monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartCharger.

[App page](https://appshunter.io/ios/app/smartcharger/id6745773615)

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is SmartCharger. free?

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

### Do S or SmartCharger. have ads?

Neither S nor SmartCharger. shows ads.

### Which is updated more often, S or SmartCharger.?

S ships an update monthly, and SmartCharger. every 7 months. Most recently, S was updated on November 3, 2026 and SmartCharger. on October 30, 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.*