# SolarEdge Mapper vs Legion Solar

The clearest difference is rating: SolarEdge Mapper at 4.5 against Legion Solar's 3.4. SolarEdge Mapper also leads on ratings volume (651 vs 17) and review sentiment (50% vs 35%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SolarEdge Mapper holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 651 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 50% of SolarEdge Mapper's written reviews are positive against 35% of Legion Solar's.

SolarEdge Mapper ships an update every 5 weeks, Legion Solar every 3 weeks. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | Legion Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (651 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | [3.4 (17 ratings)](https://appshunter.io/ios/app/legion-solar/id1418030840/reviews) |
| Number of ratings | **651** | 17 |
| Positive reviews | **50.0% of reviews** | 34.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 50 MB | 40 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [PLX Devices, INC.](https://appshunter.io/developer/388327605) |

## What reviewers say

### SolarEdge Mapper

[App page](https://appshunter.io/ios/app/solaredge-mapper/id432768469)

Streamline new system registration for installers by mapping physical layouts directly within the cloud monitoring platform. Create, edit, and verify system layouts on-site, and easily scan and assign power optimizer serial numbers to their correct locations.

**Highlights:** Onsite system registration, System physical layout creation, Onsite layout editing, Onsite layout verification, Power optimizer serial number scanning, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Seamless integration with Designer and monitoring apps
- 📱 Functional for onsite work
- 🎯 QR code scanning works well
- ⚡ Improved functionality in recent updates

**What reviewers complain about**

- 🐛 Excessive bugs and glitches throughout app
- ⏱️ Extremely slow loading times for sites
- 😕 Unintuitive and complicated user interface
- 🔧 Difficult setup and configuration process
- 📸 Camera/barcode scanning unreliable

**Reported bugs**

- Error 1001 when loading sites
- Site creation fails with errors
- Camera stops working for barcode scanning
- Endless loading screens when creating sites
- Invalid state validation errors in dropdown menus

**Requested features**

- iPad/tablet version of the app
- Ability to delete old sites and declutter home screen
- Array number option in array builder
- Easier scanning and array building process
- Customer/owner read-only access to mapper functions


### Legion Solar

[App page](https://appshunter.io/ios/app/legion-solar/id1418030840)

Monitor and control your solar energy system with this app. It allows for setup, calibration, and real-time tracking of energy production and consumption. View historical data and system health diagnostics.

**Highlights:** Inverter/Battery Commander Setup, Electrical system calibration, Energy production and consumption tracking, Energy production graphs, System health monitoring, Diagnostics utilities

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is Legion Solar free?

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

### Which has better reviews, SolarEdge Mapper or Legion Solar?

SolarEdge Mapper is rated higher. SolarEdge Mapper averages 4.5 out of 5 from 651 ratings, while Legion Solar averages 3.4 from 17 ratings.

### Do SolarEdge Mapper or Legion Solar have ads?

Neither SolarEdge Mapper nor Legion Solar shows ads.

### Which is updated more often, SolarEdge Mapper or Legion Solar?

SolarEdge Mapper ships an update every 5 weeks, and Legion Solar every 3 weeks. Most recently, SolarEdge Mapper was updated on October 19, 2026 and Legion Solar on October 16, 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.*