SolarEdge Mapper vs Legion Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolarEdge Mapper
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.
- Onsite system registration
- System physical layout creation
- Onsite layout editing
- Onsite layout verification
- Power optimizer serial number scanning
- Offline functionality
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The site mapper allows SolarEdge installers to streamline the registration of a new system by mapping its physical layout in the SolarEdge cloud-based monitoring platform. This application is integrated with the SolarEdge monitoring platform and enables the following functionality: • Simple onsite registration of new systems. • Creation, editing and on-site verification of system physical layout. • Scanning and assigning SolarEdge power optimizer serial number to the right location in the system physical layout. • The scanning can be done by utilizing the mobile device’s integrated camera or with an external Bluetooth connected scanner. • Working off-line with no data connection. The data is stored locally on the mobile device and allows data synchronization with the SolarEdge monitoring platform when data connection is available.
Legion Solar
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.
- Inverter/Battery Commander Setup
- Electrical system calibration
- Energy production and consumption tracking
- Energy production graphs
- System health monitoring
- Diagnostics utilities
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Legion Solar app is compatible with Solar Regulator V1.0 or later hardware. Connection is established via Bluetooth LE. Legion Solar app features include: 1) Inverter / Battery Commander Setup 2) Electrical system calibration 3) Energy production and consumption 4) Energy production graphs for day-month-year 5) System health 6) Security 7) Diagnostics utilities and more… The app can support up to 32 micro-inverters for a total system size ranging from 200W to 9.6kW. For more details visit legionsolar.com
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SolarEdge Mapper | Legion Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (651 ratings) — better | 3.4 (17 ratings) |
| Positive reviews | 50.0% of reviews — better | 34.6% of reviews |
| Number of ratings | 651 — better | 17 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | SolarEdge Technologies | PLX Devices, INC. |
Customer experience
SolarEdge Mapper
Legion Solar
Bugs and requests
SolarEdge Mapper
Reported bugs
10 issues- 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
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- Satellite image portion not working properly
- Login failures
- App crashes constantly
- Unable to upload site data
- Unexpected behaviors and finicky scanner
Requested features
9 requests- 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
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- Download/export data to spreadsheet format
- Traditional barcode scanning support
- Simplified module moving and deletion workflow
- Developer responses to user reviews
Legion Solar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SolarEdge Mapper
No in-app purchases
Legion Solar
No in-app purchases
Questions
Is SolarEdge Mapper free?
Is Legion Solar free?
Which has better reviews, SolarEdge Mapper or Legion Solar?
Do SolarEdge Mapper or Legion Solar have ads?
Which is updated more often, SolarEdge Mapper or Legion Solar?
Other comparisons
