# SolarEdge Mapper vs EG4 EX

The clearest difference is rating: SolarEdge Mapper at 4.5 against EG4 EX's 3.0. SolarEdge Mapper also leads on ratings volume (651 vs 2). EG4 EX's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model 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 3.0. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 651 ratings behind it against 2, so its average is the more settled of the two.

SolarEdge Mapper ships an update every 5 weeks, EG4 EX every 2 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | EG4 EX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (651 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/eg4-ex/id6449516447/reviews) |
| Number of ratings | **651** | 2 |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 50 MB | 91 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [Naveen Tera](https://appshunter.io/developer/1683496893) |

## 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


### EG4 EX

[App page](https://appshunter.io/ios/app/eg4-ex/id6449516447)

Monitor your energy storage machine's status in real-time with this mobile application. It offers convenient and quick access to data, featuring clear visualizations of both current and historical information. The software is designed for efficient data transfer, minimizing internet traffic.

**Highlights:** Real-time status monitoring, Historical data display, Data visualization charts, Low internet traffic usage, Multi-dimensional data display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is EG4 EX free?

EG4 EX is free to download, with no in-app purchases.

### Which has better reviews, SolarEdge Mapper or EG4 EX?

SolarEdge Mapper is rated higher. SolarEdge Mapper averages 4.5 out of 5 from 651 ratings, while EG4 EX averages 3.0 from 2 ratings.

### Do SolarEdge Mapper or EG4 EX have ads?

Neither SolarEdge Mapper nor EG4 EX shows ads.

### Which is updated more often, SolarEdge Mapper or EG4 EX?

SolarEdge Mapper ships an update every 5 weeks, and EG4 EX every 2 weeks. Most recently, SolarEdge Mapper was updated on October 9, 2026 and EG4 EX on October 5, 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.*