# Energy Stats vs Kep

The clearest difference is update cadence: Energy Stats at every 4 days against Kep's every 3 months. Kep's advantage is iOS requirement (13.0 vs 17.6). 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.

Energy Stats ships an update every 4 days, Kep every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Energy Stats | Kep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/energy-stats/id1644492526/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | Free | — |
| Size | 23 MB | 61 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alistair Priest](https://appshunter.io/developer/431349748) | [RGM s.r.l.](https://appshunter.io/developer/1635919266) |

## What reviewers say

### Energy Stats

[App page](https://appshunter.io/ios/app/energy-stats/id1644492526)

Monitor your FoxESS solar and battery system with real-time data. Track battery levels, view historical performance trends, and optimize system efficiency. Access your stats from your wrist with Apple Watch integration.

**Highlights:** Real-time battery level tracking, Detailed historical performance graphs, Battery temperature and state of charge monitoring, Apple Watch app and complication, Export stats and switch inverter modes, Fine-tune charge schedules

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Kep

[App page](https://appshunter.io/ios/app/kep/id6443775885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Energy Stats free?

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

### Is Kep free?

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

### Do Energy Stats or Kep have ads?

Neither Energy Stats nor Kep shows ads.

### Which is updated more often, Energy Stats or Kep?

Energy Stats ships an update every 4 days, and Kep every 3 months. Most recently, Energy Stats was updated on October 30, 2026 and Kep on October 27, 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.*