Comparison

GWAC app vs Emerald

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

Head to head
About

GWAC app

Features
Read full description

We are a community of people, following Jesus Christ and are committed to helping others become followers of Jesus. We seek to help each other live life together on mission as we demonstrate the reality of the rule and reign of God, on earth, as it is in Heaven. Simply put, our story is really HIS story, intersecting with our lives and bringing us individually and collectively, into relationship with himself. The GWAC church community is an expression of God’s love for all people and we hope that this story might become your story too.

About

Emerald

Monitor and control your home's energy usage, climate, and safety devices. Track electricity consumption in real-time, set budgets, and receive alerts for emergencies. Turn your air-con into a smart device for remote climate control.

Highlights
  • Real-time electricity usage tracking
  • Electricity budgeting
  • Smart air-con control
  • Remote climate adjustment
  • Smoke alarm monitoring
  • Emergency notifications
Features
Read full description

The Emerald app is a complete solution to creating a smart, sustainable and safe home. Use the Electricity Advisor to keep track of your home’s electricity usage in real-time, create an electricity budget to stay on top of your bills and protect your loved ones and your home from fire with the SafeLink along with other great products! AC LINK Turn your air-con into a smart air-con with Emerald AC Link. Whether you’re at work, on vacation or enjoying a walk, easily control the climate of your home with AC Link and the Emerald app. Access the complete functionality of your air-con via your smartphone. - Adjust mode and fan settings - Set schedules and timers ELECTRICITY ADVISOR The Emerald app works in conjunction with the Electricity Advisor to track your energy consumption via your Smart Meter. Once the Electricity Advisor is installed, you will be able to monitor your energy usage right from your fingertips! - Visually track and measure how energy is being used. - Get Weekly Reports to view and compare your weekly energy usage. - View Energy Savings Tips to help you save on your bills. LIVELINK LiveLink Wi-Fi Gateway works in addition to your Electricity Advisor allowing you to monitor your electricity usage even when you are away from home. Upgrade Bluetooth to Wi-Fi connectivity 24/7 monitoring and visibility React in real-time, even if you’re not home Adjust your habits and save money SAFELINK The SafeLink is a gateway between the Emerald app and your interconnected Emerald smoke alarms, which allows you to view the real-time status of your alarms via your phone. - Protect your family by having full control of your smoke alarms. - Ensure your alarms are working with frequent testing at the touch of a button. - Get notified in case of an emergency. - Full alarm event history. - Link quick-dial contacts in case of a fire. - Humidity and temperature sensors. UPCOMING PRODUCTS We are currently developing a number of Smart Intelligence devices that will assist you in your energy saving journey! Keep an eye out in the coming months for our latest products that will work in conjunction with the Emerald app. https://emeraldhome.com.au/

Screenshots

GWAC app3 screens
Emerald4 screens

Verdict

The call

The clearest difference is update cadence: Emerald at monthly against GWAC app's every 10 months. GWAC app's advantage is iOS requirement (12.0 vs 15.0). 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

GWAC app ships an update every 10 months, Emerald monthly. The most recent releases landed on May 17, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 8 level
GWAC app versus Emerald: the parameters behind the verdict, then further details
ParameterGWAC appEmerald
PriceFreeFree
Rating—1.0 (2 ratings) — better
Positive reviews—17.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 10 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size103 MB110 MB
Age rating4+4+
DeveloperSt Barnabas Anglican Church Glen WaverleyEMERALD PLANET ENVIRONMENTAL PTY LTD

Bugs and requests

GWAC app

Not enough reviews yet to summarise bugs or requests.

Emerald

Reported bugs

19 issues
  • App crashes on startup or when opening specific features
  • Smart Actions stop working after updates
  • Bluetooth connection drops frequently
  • Data not syncing or updating after certain dates
  • Login failures and forced logouts
Show 14 more
  • OTP (One-Time Password) delivery delays
  • Energy consumption data showing incorrect values
  • Heat pump controls showing disconnected when device is connected
  • Livelink setup stuck on 'configuring' screen
  • App crashes when selecting Electricity Adviser
  • Temperature adjustment feature removed after update
  • Smart Actions button unclickable
  • Electricity Advisor won't open or display data
  • App hangs and becomes unresponsive
  • Bluetooth not visible to device despite being paired
  • Data fetching stopped after July 31, 2025
  • Reverse cycle AC controller library missing
  • App loses product data after reinstall
  • iOS 17 compatibility issues

Requested features

19 requests
  • Support for 3-tier and multi-tier tariff structures
  • WiFi connectivity instead of Bluetooth only
  • Advanced smart actions with conditional triggers
  • Ability to set mode (boost/silent) in smart actions
  • Scheduled automation based on water temperature/capacity
Show 14 more
  • API access for third-party integrations
  • Temperature adjustment controls for heat pump
  • Solar panel production monitoring
  • Larger, more readable text and improved UI
  • Per-second or 10-minute granularity reporting
  • Server-side smart action processing
  • Support for free electricity periods (solar sponge plans)
  • Ability to change peak/off-peak times manually
  • Battery replacement notifications
  • Dark mode and improved visual design
  • Monthly power usage tracking in kWh
  • Grid export monitoring for solar users
  • Thermostat temperature scheduling
  • Better graph visualization with clear day delineation

In-app purchases

None

GWAC app

No in-app purchases

None

Emerald

No in-app purchases

Questions

Is GWAC app free?
GWAC app is free to download, with no in-app purchases.
Is Emerald free?
Emerald is free to download, with no in-app purchases.
Do GWAC app or Emerald have ads?
Neither GWAC app nor Emerald shows ads.
Which is updated more often, GWAC app or Emerald?
GWAC app ships an update every 10 months, and Emerald monthly. Most recently, GWAC app was updated on May 17, 2026 and Emerald on September 21, 2026.

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