# iSolergo vs Energy+

The clearest difference is update cadence: Energy+ at fortnightly against iSolergo's every 9 months. Energy+ also leads on iOS requirement (8.4 vs 11.0). 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.

iSolergo ships an update every 9 months, Energy+ fortnightly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iSolergo | Energy+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 63 MB | 3 MB |
| Requires iOS | 11.0 | **8.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electro Graphics Srl](https://appshunter.io/developer/542354467) | [CNR - Istituto per le Tecnologie Didattiche](https://appshunter.io/developer/433862737) |

## What reviewers say

### iSolergo

[App page](https://appshunter.io/ios/app/isolergo/id542354464)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iSolergo free?

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

### Is Energy+ free?

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

### Do iSolergo or Energy+ have ads?

Neither iSolergo nor Energy+ shows ads.

### Which is updated more often, iSolergo or Energy+?

iSolergo ships an update every 9 months, and Energy+ fortnightly. Most recently, iSolergo was updated on October 9, 2026 and Energy+ on October 7, 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.*