Comparison

MRCOOL Remote 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

MRCOOL Remote

Control your smart air conditioner remotely for enhanced comfort, efficiency, and safety. This app offers a new user experience with interactive design and special functions. Manage your home air quality from anywhere, customize sleep comfort, and set time schedules for automatic operation.

Highlights
  • Remote AC control
  • Air quality management
  • Customizable sleep curves
  • Time scheduling
  • Interactive UI design
Features
Read full description

The MRCOOL Remote is a smart air conditioner app, it is compatible with our smart WiFi module and connected with open cloud service. 1. Easily Control Your Air Conditioner: Comfort, Efficiency, and Safety. 2. New User Experience: Special functions and interactive UI design. 3. Remote Control: Set and modify your home air quality anywhere. 4. Sleep Curve: Customize your sleep comfort. 5. Time Scheduling: Set time to automatically switch your unit on and/or off.

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

MRCOOL Remote3 screens
EG4 Connect4 screens

Verdict

The call

The clearest difference is rating: EG4 Connect at 2.8 against MRCOOL Remote's 1.5. EG4 Connect also leads on update cadence (every 2 months vs every 20 months) and review sentiment (35% vs 11%). MRCOOL Remote's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, 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

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 1.5. Both are backed by a comparable volume of ratings — 71 and 24 respectively. Written reviews point the same way: 11% of MRCOOL Remote's written reviews are positive against 35% of EG4 Connect's.

UpkeepUpdate frequency

MRCOOL Remote ships an update every 20 months, EG4 Connect every 2 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
MRCOOL Remote versus EG4 Connect: the parameters behind the verdict, then further details
ParameterMRCOOL RemoteEG4 Connect
PriceFreeFree
Rating1.5 (71 ratings)2.8 (24 ratings) — better
Positive reviews10.6% of reviews35.3% of reviews — better
Number of ratings71 — better24
Update frequencyEvery 20 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size44 MB38 MB
Age rating4+4+
DeveloperHVAC Distributing LLCEG4 Electronics

Customer experience

MRCOOL Remote

All ratings69 ratings
Positive13.0%
Neutral1.4%
Negative85.5%
Written reviews47 reviews
Positive10.6%
Neutral2.1%
Negative87.2%

EG4 Connect

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

Bugs and requests

MRCOOL Remote

Reported bugs

77 issues
  • App doesn't let you register
  • App doesn't work
  • Cannot add mini split to account
  • Cannot get passed connect to AC WiFi
  • App never lets you move forward
Show 72 more
  • App sends you back to settings
  • Mini split hung in AP mode
  • Reset breaker to recover system
  • App takes you to app settings
  • App throws you out to MRCOOL remote settings
  • Cannot get further in pairing process
  • Cannot sync unit with app
  • App loops between setting and install routine
  • Doesn't work with the app all the time
  • Authentication failed for no reason
  • Application setup redirects to settings frequently
  • AC doesn't sync with remote
  • Device goes offline completely after 30 days
  • Cannot complete the setup
  • Pain to connect
  • Wouldn't connect with phone
  • Units went offline
  • Cannot get upstairs unit to connect
  • App keeps taking you to allow notifications screen
  • Endless loop in setup
  • Cannot pair with unit
  • Cannot get tech support
  • Will not keep any settings on the app
  • Have to reprogram everything each time
  • Account disappeared
  • New account creation failure
  • Link sent via email is broken
  • Link illegal or expired
  • Time scheduling doesn’t work
  • Unit doesn’t turn on or off as scheduled
  • Verification email link is invalid/illegal site
  • App doesn’t show device on network
  • Version 2.1 is non functional
  • Update locked me out of account
  • Doesn’t read QR code
  • Instructions do not match mini-split
  • Update wipes out account
  • Unit is offline
  • Delete profile and reinstall
  • Device is offline
  • Newest update fail
  • Lose your account with newest update
  • App shows HVAC system offline
  • App is absolutely useless
  • App shows unit is offline
  • Error 'the ASYN reply does not exist'
  • Unit shows offline
  • App stopped working
  • App randomly decided not to work
  • Often loses wireless connection
  • Shows offline and does not operate AC
  • App controls suc
  • App is incredibly buggy and inconsistent
  • Cannot turn on freeze protection mode
  • Button never engages on the app
  • App only kind of works
  • Unit stops blowing
  • Power cycle with physical remote needed
  • Blower kicks in after power cycle
  • Cannot program unit for different settings
  • Missing controls on the app
  • WiFi should work
  • AC unit disconnects from WiFi
  • App is unreliable
  • Unit connects now
  • Signal disconnects occasionally
  • App doesn't have programming for different temps
  • App functioned fine for two months
  • App works maybe 65% of the time
  • Has to be reset
  • Worthless app
  • Worked good first day

Requested features

30 requests
  • Add more features
  • Replicate all remote functions
  • Allow renaming AC units
  • Allow deleting AC units
  • Update app for better functionality
Show 25 more
  • Improve app design and usability
  • Add programming for daily operations
  • Fix app to include all features
  • Improve WiFi reliability
  • Add dark mode
  • Add advanced analytics dashboard
  • Fix freeze protection button
  • Fix turbo button functionality
  • Fix air direction controls
  • Allow WiFi passwords with special characters
  • Improve app stability
  • Add Fahrenheit display option
  • Fix 'follow me' function
  • Improve temperature adjustment speed
  • Update instructions for current iOS version
  • Ensure app works with iOS
  • Improve app responsiveness
  • Add ability to see actual vs target temperatures
  • Improve time scheduling functionality
  • Fix verification email link issue
  • Fix authentication failures
  • Fix app redirecting to settings
  • Fix lost connection/sync issues
  • Fix setup loops
  • Fix app frequently offline issues

EG4 Connect

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MRCOOL Remote

No in-app purchases

None

EG4 Connect

No in-app purchases

Questions

Is MRCOOL Remote free?
MRCOOL Remote 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, MRCOOL Remote or EG4 Connect?
EG4 Connect is rated higher. MRCOOL Remote averages 1.5 out of 5 from 71 ratings, while EG4 Connect averages 2.8 from 24 ratings.
Do MRCOOL Remote or EG4 Connect have ads?
Neither MRCOOL Remote nor EG4 Connect shows ads.
Which is updated more often, MRCOOL Remote or EG4 Connect?
MRCOOL Remote ships an update every 20 months, and EG4 Connect every 2 months. Most recently, MRCOOL Remote was updated on October 24, 2026 and EG4 Connect on October 24, 2026.

Other comparisons