# S vs TrackSolid ELD

The clearest difference is update cadence: TrackSolid ELD at every 3 days against S's monthly. TrackSolid ELD also leads on iOS requirement (12.0 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.

S ships an update monthly, TrackSolid ELD every 3 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | S | TrackSolid ELD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (89 ratings)](https://appshunter.io/ios/app/s-miles-enduser/id1544760866/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 37.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 207 MB | 50 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) | [ShenZhen Jimi IoT Co.,Ltd](https://appshunter.io/developer/1147090382) |

## 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


### TrackSolid ELD

[App page](https://appshunter.io/ios/app/tracksolid-eld/id6747376714)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is TrackSolid ELD free?

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

### Do S or TrackSolid ELD have ads?

Neither S nor TrackSolid ELD shows ads.

### Which is updated more often, S or TrackSolid ELD?

S ships an update monthly, and TrackSolid ELD every 3 days. Most recently, S was updated on October 17, 2026 and TrackSolid ELD 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.*