Comparison

SolarAssistant vs EG4 Connect

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

Head to head
About

SolarAssistant

This app connects to solar inverters via Bluetooth or WiFi for maintenance. It allows real-time monitoring of alarms, configuration parameters, and device health history. Quickly locate faults and enhance operational efficiency.

Highlights
  • Bluetooth/WiFi inverter connection
  • Real-time alarm monitoring
  • Configuration parameter access
  • Log downloading
  • Fault location and management
  • Device health history query
Features
Read full description

Solar Assistant is a mobile application software to communicate to inverter via Bluetooth or WiFi for query alarms, configuration parameters, log downloading routine maintenance functions, are lightweight proximal maintenance platform. Support iOS7.1 or later. Monitor in real time: easy to operate alarm browsing, fault management, operation and maintenance to enhance user productivity. Flexible data in real time query mechanism to facilitate customer inquiries device health history. Get fast fault location, ease of maintenance personnel to quickly locate the fault, timely response measures.

About

EG4 Connect

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
Read full description

EG4Connect is the ultimate, easy‑to‑use monitoring and management app for EG4's Energy Storage Systems, including the FlexBOSS, 18kPV, 12000XP, GridBOSS, and more. Built with simplicity at its core, EG4Connect makes it effortless to set up, view, and manage your solar power system! Key Features Fast, Simple Commissioning - Set up newly installed EG4 systems in just a few steps with clear, guided workflows. Real‑Time System Monitoring - Instantly see your solar production, power flow, and system status through clean, intuitive dashboards. Simple Device Management - Easily adjust settings and manage your EG4 devices with straightforward controls designed for anyone to use. Grid Service Controls - Manage & monetize your EG4 equipment through EG4 Grid services - all while never leaving the app. EG4Connect removes complexity so you can focus on what matters most: keeping your energy system running smoothly with confidence and ease.

Screenshots

SolarAssistant4 screens
EG4 Connect4 screens

Verdict

The call

The clearest difference is rating: EG4 Connect at 2.8 against SolarAssistant's 1.0. EG4 Connect also leads on review sentiment (35% vs 0%) and ratings volume (23 vs 4). SolarAssistant's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

EG4 Connect holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: EG4 Connect has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of SolarAssistant's written reviews are positive against 35% of EG4 Connect's.

UpkeepUpdate frequency

SolarAssistant ships an update every 11 days, EG4 Connect every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
SolarAssistant versus EG4 Connect: the parameters behind the verdict, then further details
ParameterSolarAssistantEG4 Connect
PriceFreeFree
Rating1.0 (4 ratings)2.8 (23 ratings) — better
Positive reviews0.0% of reviews35.3% of reviews — better
Number of ratings423 — better
Update frequencyEvery 11 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size12 MB38 MB
Age rating4+4+
Developer易事特集团股份有限公司EG4 Electronics

Customer experience

SolarAssistant

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

EG4 Connect

All ratings21 ratings
Positive47.6%
Neutral4.8%
Negative47.6%
Written reviews17 reviews
Positive35.3%
Neutral11.8%
Negative52.9%

In-app purchases

None

SolarAssistant

No in-app purchases

None

EG4 Connect

No in-app purchases

Questions

Is SolarAssistant free?
SolarAssistant 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, SolarAssistant or EG4 Connect?
EG4 Connect is rated higher. SolarAssistant averages 1.0 out of 5 from 4 ratings, while EG4 Connect averages 2.8 from 23 ratings.
Do SolarAssistant or EG4 Connect have ads?
Neither SolarAssistant nor EG4 Connect shows ads.
Which is updated more often, SolarAssistant or EG4 Connect?
SolarAssistant ships an update every 11 days, and EG4 Connect every 2 months. Most recently, SolarAssistant was updated on October 24, 2026 and EG4 Connect on October 21, 2026.

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