# Kalendio vs S

Kalendio and S are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Kalendio ships an update every 2 months, S monthly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Kalendio | S |
| --- | --- | --- |
| 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 | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 30 MB | 224 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hanberg Alonso](https://appshunter.io/developer/1514749897) | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) |

## What reviewers say

### Kalendio

[App page](https://appshunter.io/ios/app/kalendio/id1514749898)

**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. 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


## Frequently asked questions

### Is Kalendio free?

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

### Is S free?

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

### Do Kalendio or S have ads?

Neither Kalendio nor S shows ads.

### Which is updated more often, Kalendio or S?

Kalendio ships an update every 2 months, and S monthly. Most recently, Kalendio was updated on October 27, 2026 and S on October 29, 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.*