# Solar PV Forecast & Alerts vs DKC E. Luma

The clearest difference is in-app purchases: DKC E. Luma at none against Solar PV Forecast & Alerts's 2. DKC E. Luma also leads on ads (none vs shown). Solar PV Forecast & Alerts's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Solar PV Forecast & Alerts sells 2 in-app purchases, starting at $0.99 per month. DKC E. Luma asks for nothing beyond the download.

Solar PV Forecast & Alerts ships an update every 2 weeks, DKC E. Luma every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Solar PV Forecast & Alerts | DKC E. Luma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (38 ratings)](https://appshunter.io/ios/app/solar-pv-forecast-and-alerts/id6479313475/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 40 MB |
| Requires iOS | **16.0** | 17 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [Newlab S.r.l.](https://appshunter.io/developer/1151044983) |

## What reviewers say

### Solar PV Forecast & Alerts

[App page](https://appshunter.io/ios/app/solar-pv-forecast-and-alerts/id6479313475)

This app predicts your household solar panel's energy production by integrating weather forecasts and your system's configuration. It offers hourly production charts, optimization tips for running appliances, and alerts for peak production times. Seamlessly control smart home devices to align with solar output for efficient energy usage.

**Highlights:** Predicts household solar panel energy production, Integrates weather forecasts and panel configuration, Hourly production charts, Smart home device integration (SmartThings, Matter, Tuya), Guidance on optimal appliance usage times, Peak production time insights, Daily production estimates and peak alerts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Solar PV Forecast+ | $0.99 | per month |
| Annual Solar PV Forecast+ | $8.99 | per year |


### DKC E. Luma

[App page](https://appshunter.io/ios/app/dkc-e-luma/id6758296437)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar PV Forecast & Alerts free?

Solar PV Forecast & Alerts is free to download, with in-app purchases available.

### Is DKC E. Luma free?

DKC E. Luma is free to download, with no in-app purchases.

### Do Solar PV Forecast & Alerts or DKC E. Luma have ads?

Solar PV Forecast & Alerts shows ads; DKC E. Luma does not.

### Which is updated more often, Solar PV Forecast & Alerts or DKC E. Luma?

Solar PV Forecast & Alerts ships an update every 2 weeks, and DKC E. Luma every 2 months. Most recently, Solar PV Forecast & Alerts was updated on November 8, 2026 and DKC E. Luma on October 31, 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.*