# Lunar Energy vs ARrayVue Lite

The clearest difference is price: Lunar Energy at Free against ARrayVue Lite's $6.99. Lunar Energy also leads on ratings volume (13 vs 4). On rating, update cadence, ads and in-app purchases there is nothing between them.

Lunar Energy is free to download; ARrayVue Lite costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Lunar Energy against 5.0 for ARrayVue Lite. Both are backed by a comparable volume of ratings — 13 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Lunar Energy | ARrayVue Lite |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/lunar-energy/id6615061613/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/arrayvue-lite/id6760502482/reviews) |
| Number of ratings | **13** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 26 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lunar Energy Limited](https://appshunter.io/developer/1400433604) | [Solar Foundations USA, Inc.](https://appshunter.io/developer/1497761749) |

## What reviewers say

### Lunar Energy

[App page](https://appshunter.io/ios/app/lunar-energy/id6615061613)

Monitor your home's solar energy production, consumption, and storage in real-time. Gain confidence during power outages with backup duration estimates and maximize savings with automatic Lunar Mode. Participate in Virtual Power Plant programs to earn money.

**Highlights:** Real-time energy monitoring, Backup power duration estimates, Automatic savings optimization (Lunar Mode), Virtual Power Plant program enrollment, Energy usage reports

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

**In-app purchases:** none


### ARrayVue Lite

[App page](https://appshunter.io/ios/app/arrayvue-lite/id6760502482)

This app uses augmented reality and GPS to help you measure directions, place virtual markers, and lay out accurate geometries in the real world. It's ideal for surveying, construction planning, and outdoor mapping.

**Highlights:** Measure azimuth between points, Place virtual markers by direction and distance, AR-based rectangle layout, Real-world visualization with AR, Accurate GPS integration, Field layout and planning

**In-app purchases:** none


## Frequently asked questions

### Is Lunar Energy free?

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

### Is ARrayVue Lite free?

ARrayVue Lite costs $6.99, with no in-app purchases.

### Which has better reviews, Lunar Energy or ARrayVue Lite?

Lunar Energy and ARrayVue Lite are both rated 5.0 out of 5 on the App Store, from 13 and 4 ratings respectively.

### Do Lunar Energy or ARrayVue Lite have ads?

Neither Lunar Energy nor ARrayVue Lite shows ads.

### Which is updated more often, Lunar Energy or ARrayVue Lite?

Lunar Energy ships an update every 3 weeks, and ARrayVue Lite every 3 weeks. Most recently, Lunar Energy was updated on September 20, 2026 and ARrayVue Lite on September 23, 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.*