# SolarEdge Mapper vs EG4 Connect

The clearest difference is rating: SolarEdge Mapper at 4.5 against EG4 Connect's 2.8. SolarEdge Mapper also leads on ratings volume (649 vs 24) 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 2.8. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 649 ratings behind it against 24, 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 EG4 Connect's.

SolarEdge Mapper ships an update every 5 weeks, EG4 Connect every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | EG4 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (649 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | [2.8 (24 ratings)](https://appshunter.io/ios/app/eg4-connect/id6752791573/reviews) |
| Number of ratings | **649** | 24 |
| Positive reviews | **50.0% of reviews** | 35.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 50 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [EG4 Electronics](https://appshunter.io/developer/1840964233) |

## 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 Connect

[App page](https://appshunter.io/ios/app/eg4-connect/id6752791573)

Monitor the status, running data, and events of your solar and energy storage systems. This application provides real-time insights into your energy infrastructure.

**Highlights:** Monitor system status, View running data, Track events, Energy storage system insights, Solar system monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is EG4 Connect free?

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

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

SolarEdge Mapper is rated higher. SolarEdge Mapper averages 4.5 out of 5 from 649 ratings, while EG4 Connect averages 2.8 from 24 ratings.

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

Neither SolarEdge Mapper nor EG4 Connect shows ads.

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

SolarEdge Mapper ships an update every 5 weeks, and EG4 Connect every 2 months. Most recently, SolarEdge Mapper was updated on October 23, 2026 and EG4 Connect on October 24, 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.*