# S vs BYM Cloud

The clearest difference is review sentiment: BYM Cloud at 100% against S's 37%. BYM Cloud also leads on rating (5.0 vs 4.1) and iOS requirement (12.0 vs 15.0). S's advantage is ratings volume (89 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

BYM Cloud holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: S has 89 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 37% of S's written reviews are positive against 100% of BYM Cloud's.

S ships an update monthly, BYM Cloud every 4 weeks. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | S | BYM Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (89 ratings)](https://appshunter.io/ios/app/s-miles-enduser/id1544760866/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bym-cloud/id1665052217/reviews)** |
| Number of ratings | **89** | 2 |
| Positive reviews | 37.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 207 MB | 60 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) | [zhejiang benyi new energy technology co.,ltd.](https://appshunter.io/developer/1536090136) |

## 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. Track energy generation, view module-level details, and receive equipment alarm notifications to ensure optimal operation and yield.

**Highlights:** Module-level monitoring, Real-time data display, Plant-level data, Energy generation tracking, Alarm information

**Features:** macOS Compatibility

**In-app purchases:** none


### BYM Cloud

[App page](https://appshunter.io/ios/app/bym-cloud/id1665052217)

Manage device and energy information to streamline operations. This utility app enhances efficiency and intelligence for users.

**Highlights:** Device information management, Energy information management, Streamlined operations, Enhanced intelligence, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is BYM Cloud free?

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

### Which has better reviews, S or BYM Cloud?

BYM Cloud is rated higher. S averages 4.1 out of 5 from 89 ratings, while BYM Cloud averages 5.0 from 2 ratings.

### Do S or BYM Cloud have ads?

Neither S nor BYM Cloud shows ads.

### Which is updated more often, S or BYM Cloud?

S ships an update monthly, and BYM Cloud every 4 weeks. Most recently, S was updated on October 17, 2026 and BYM Cloud on October 4, 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.*