Comparison

SolarEdge Mapper vs EG4 BMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Onsite system registration
  • System physical layout creation
  • Onsite layout editing
  • Onsite layout verification
  • Power optimizer serial number scanning
  • Offline functionality
Features
Read full description

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.

About

EG4 BMS

Read full description

The EG4 BMS App is an application designed for battery management, suitable for both household and industrial power management, storage, and related functions. Compatible with EG4's 314Ah WallMount battery series

Screenshots

SolarEdge Mapper4 screens
EG4 BMS3 screens

Verdict

The call

The clearest difference is update cadence: EG4 BMS at every 3 days against SolarEdge Mapper's every 5 weeks. EG4 BMS also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SolarEdge Mapper ships an update every 5 weeks, EG4 BMS every 3 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
SolarEdge Mapper versus EG4 BMS: the parameters behind the verdict, then further details
ParameterSolarEdge MapperEG4 BMS
PriceFreeFree
Rating4.5 (651 ratings) — better—
Positive reviews29.6% of reviews—
Number of ratings651 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size50 MB44 MB
Age rating4+4+
DeveloperSolarEdge Technologieseg4

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
Show 5 more
  • 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
Show 4 more
  • Download/export data to spreadsheet format
  • Traditional barcode scanning support
  • Simplified module moving and deletion workflow
  • Developer responses to user reviews

EG4 BMS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SolarEdge Mapper

No in-app purchases

None

EG4 BMS

No in-app purchases

Questions

Is SolarEdge Mapper free?
SolarEdge Mapper is free to download, with no in-app purchases.
Is EG4 BMS free?
EG4 BMS is free to download, with no in-app purchases.
Do SolarEdge Mapper or EG4 BMS have ads?
Neither SolarEdge Mapper nor EG4 BMS shows ads.
Which is updated more often, SolarEdge Mapper or EG4 BMS?
SolarEdge Mapper ships an update every 5 weeks, and EG4 BMS every 3 days. Most recently, SolarEdge Mapper was updated on October 14, 2026 and EG4 BMS on October 7, 2026.

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