# Energy+ vs inSun App

The clearest difference is update cadence: Energy+ at fortnightly against inSun App's every 5 weeks. Energy+ also leads on iOS requirement (8.4 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.

Energy+ ships an update fortnightly, inSun App every 5 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Energy+ | inSun App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 3 MB | 244 MB |
| Requires iOS | **8.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CNR - Istituto per le Tecnologie Didattiche](https://appshunter.io/developer/433862737) | [Engorithm SA](https://appshunter.io/developer/1656684270) |

## What reviewers say

### Energy+

[App page](https://appshunter.io/ios/app/energy-plus/id1053803084)

This app supports monitoring energy consumption and evaluating the technical and economic feasibility of installing photovoltaic systems at CNR facilities. It provides real-time weather data and simulates the performance of solar power systems based on local solar radiation measurements.

**Highlights:** Map visualization of energy cost centers, Real-time meteorological parameter display, Photovoltaic system performance simulation, Solar radiation data integration, Technical-economic evaluation of solar installations

**Features:** macOS Compatibility

**In-app purchases:** none


### inSun App

[App page](https://appshunter.io/ios/app/insun-app/id6444766490)

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

**In-app purchases:** none


## Frequently asked questions

### Is Energy+ free?

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

### Is inSun App free?

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

### Do Energy+ or inSun App have ads?

Neither Energy+ nor inSun App shows ads.

### Which is updated more often, Energy+ or inSun App?

Energy+ ships an update fortnightly, and inSun App every 5 weeks. Most recently, Energy+ was updated on October 7, 2026 and inSun App on October 9, 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.*