SolarEdge Mapper vs DeltaSolar
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.
DeltaSolar
Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.
- Remote Wi-Fi access
- Direct onsite connection
- Energy status and analysis
- Production, consumption, export data
- Historical performance data
- Grid and solar voltage/frequency monitoring
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Connect the Delta equipment to the sites Wi-Fi connection for remote access anywhere or connect directly to the inverter onsite using your smart device eliminating the need to have a Wi-Fi internet service. •Full “At a Glance” energy status and analysis •Display of production, consumption, energy bought and energy exported* •Historic data available by day, month or year for comparisons of performance •View grid voltage and frequency as well as the solar power voltage and amps •Easy commission and connect method *Requires the installation of the CT clamp and cable or external power meter. Delta’s P2P (point to point) feature offers the ability to connect your smart device directly to your inverter or battery and receive rapid data update to see your loads and generation as it happens. A new web portal version of the app is also available using your app login details at https://mydeltasolar.deltaww.com.
Screenshots
Verdict
The clearest difference is review sentiment: SolarEdge Mapper at 50% against DeltaSolar's 0%. SolarEdge Mapper also leads on rating (4.5 vs 1.0) and ratings volume (649 vs 1). DeltaSolar's advantage is iOS requirement (11.0 vs 13.0). 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 1.0. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 649 ratings behind it against 1, 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 0% of DeltaSolar's.
SolarEdge Mapper ships an update every 5 weeks, DeltaSolar every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | SolarEdge Mapper | DeltaSolar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (649 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 649 — better | 1 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | SolarEdge Technologies | Delta Electronics, Inc. |
Customer experience
SolarEdge Mapper
DeltaSolar
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
DeltaSolar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SolarEdge Mapper
No in-app purchases
DeltaSolar
No in-app purchases
Questions
Is SolarEdge Mapper free?
Is DeltaSolar free?
Which has better reviews, SolarEdge Mapper or DeltaSolar?
Do SolarEdge Mapper or DeltaSolar have ads?
Which is updated more often, SolarEdge Mapper or DeltaSolar?
Other comparisons
