# EVOLine AstralPool vs S

The clearest difference is rating: S at 4.2 against EVOLine AstralPool's 2.0. S also leads on review sentiment (37% vs 6%) and update cadence (monthly vs every 7 months). EVOLine AstralPool's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

S holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: S has 91 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 6% of EVOLine AstralPool's written reviews are positive against 37% of S's.

EVOLine AstralPool ships an update every 7 months, S monthly. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EVOLine AstralPool | S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/evoline-astralpool/id1072040388/reviews) | **[4.2 (91 ratings)](https://appshunter.io/ios/app/s-miles-enduser/id1544760866/reviews)** |
| Number of ratings | 2 | **91** |
| Positive reviews | 5.9% of reviews | **37.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 12 MB | 207 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLUIDRA S.A.](https://appshunter.io/developer/725447633) | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) |

## What reviewers say

### EVOLine AstralPool

[App page](https://appshunter.io/ios/app/evoline-astralpool/id1072040388)

Remotely manage your pool's temperature and heat pump settings. This free application allows you to monitor current temperatures, turn the heat pump on or off, adjust set points, and set schedules via a local Wi-Fi connection.

**Highlights:** Remote pool temperature control, Heat pump ON/OFF, Adjust temperature set point, Set heat pump schedules, Monitor sensor parameters, Professional control menu

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EVOLine AstralPool free?

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

### Is S free?

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

### Which has better reviews, EVOLine AstralPool or S?

S is rated higher. EVOLine AstralPool averages 2.0 out of 5 from 2 ratings, while S averages 4.2 from 91 ratings.

### Do EVOLine AstralPool or S have ads?

Neither EVOLine AstralPool nor S shows ads.

### Which is updated more often, EVOLine AstralPool or S?

EVOLine AstralPool ships an update every 7 months, and S monthly. Most recently, EVOLine AstralPool was updated on October 17, 2026 and S on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*