Comparison

Heatmiser vs myHarvey

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

Head to head
About

Heatmiser

Control your home heating system remotely from your smartphone. Adjust temperatures, manage hot water, and set schedules for multiple zones. Optimize energy usage and ensure comfort whether you're at home or away.

Highlights
  • Remote heating control
  • Multi-zone support
  • Hot water boost
  • Temperature hold
  • Energy saving schedules
  • Home/Away modes
  • Holiday mode
Read full description

Control your Heatmiser Heating System whilst on the move or about the house. All New Multi Zone Support in Version 3! WIFI Thermostat System: Single and Multi Room Support of our WiFi Thermostats (Heatmiser MultiLink required for systems with more than 1 Thermostat) 12V Network System: Single and Multi Room Support of our 12v Network Thermostats (Heatmiser Netmonitor required) The Heatmiser app is a convenient way to: * Turn down the heating without leaving your bed * Warm the house before you get home * Switch on the hot water boost before taking a shower * Quickly hold the room temperature for a few hours longer * Save energy by adjusting your heating times Multi Room Functions * Room Titles for Easy Reference * Lock one or multiple rooms * Apply a temperature hold to one or multiple rooms * Place your System into Home or Away Mode (Turns the system off) * Place your System into Summer Mode (Turns off the heating, leaving the HW to run as normal) * View Temperature History and Hours Run Data (WiFi Systems Only) – Home convenience The app allows you to control your heating from anywhere in your home. – Use it Anywhere Securely control your heating from any location. If you’re leaving the office early, use the Heatmiser app to turn on your heating in time for your arrival. – Holiday mode & Parties Off on holiday for a few weeks? No problem, use the Holiday mode to keep your heating ticking over while you’re away. Having a party later? Keep the room at a comfortable temperature all evening.

About

myHarvey

Monitor your connected water softener in real-time, receive notifications for salt levels, and easily reorder salt directly through the app. Enjoy smart, reliable, and eco-friendly water softening solutions for your home.

Highlights
  • Real-time salt level monitoring
  • Salt level notifications
  • In-app salt reordering
  • Smart home integration
  • Eco-friendly design information
Read full description

The myHarvey app has been developed alongside the UK’s next generation connected water softeners, providing smart home solutions that are reliable and easy-to-use. The main benefits • The app displays a simple dashboard allowing real time monitoring of salt levels • Notifications can be sent directly to your device, to advise you when more salt needs adding • You can reorder salt directly from the app – in just a few clicks The Harvey team have been water softening experts since 1988. Their latest range of next generation water softeners are all designed and manufactured in the UK offering: • The smallest twin cylinder (non-electric) water softening systems on the market • Uniquely curved lighter salt blocks – making it easier to load salt • Eco-friendly designs - the cabinet typically use 38% less plastic (62% of which is recycled) Smart, hassle-free solutions for your home and family - softened water, all day every day.

Screenshots

Heatmiser3 screens
myHarvey4 screens

Verdict

The call

The clearest difference is rating: Heatmiser at 5.0 against myHarvey's 1.0. Heatmiser also leads on review sentiment (40% vs 23%) and update cadence (every 3 weeks vs every 2 months). 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

Heatmiser holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 40% of Heatmiser's written reviews are positive against 23% of myHarvey's.

UpkeepUpdate frequency

Heatmiser ships an update every 3 weeks, myHarvey every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Heatmiser versus myHarvey: the parameters behind the verdict, then further details
ParameterHeatmisermyHarvey
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (2 ratings)
Positive reviews39.6% of reviews — better23.2% of reviews
Number of ratings12 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better16.6
Further details — not scored
Size7 MB31 MB
Age rating4+4+
DeveloperHeatmiser UKHarvey Water Softeners Ltd

Customer experience

Heatmiser

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews53 reviews
Positive39.6%
Neutral13.2%
Negative47.2%

myHarvey

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews99 reviews
Positive23.2%
Neutral5.1%
Negative71.7%

Bugs and requests

Heatmiser

Not enough reviews yet to summarise bugs or requests.

myHarvey

Reported bugs

97 issues
  • Salt tablet statuses inaccurate, fails to send timely notifications
  • App stopped working since Dec 2025, no refresh or notifications
  • App connection issues, does not link with iLid
  • App does not work, cannot connect to iLid
  • Connection to smart lid doesn't work, no troubleshooting
Show 92 more
  • App appears broken, no warnings
  • Lack of compatibility with Apple password manager
  • App doesn't connect to WiFi, not designed well
  • Problems connecting, error messages like 'aylacontrol:'
  • App stopped working, no refresh or notifications
  • App connection issues, does not link with iLid
  • App does not work, cannot connect to iLid
  • Connection to smart lid doesn't work, no troubleshooting
  • App appears broken, no warnings
  • Lack of compatibility with Apple password manager
  • App doesn't connect to WiFi, not designed well
  • Problems connecting, error messages like 'aylacontrol:'
  • App crashes on iPhone
  • Notifications stopped working
  • App doesn't work, won't connect
  • Not able to register, connection issues with ayla cloud platform
  • Frustrating, cannot connect to WiFi, error message 'aylacontrol:'
  • App doesn't work, inaccurate status, last updated date incorrect
  • App is useless, cannot connect lid
  • Can't connect to device, directions don't match hardware
  • Very bad, glitchy, WiFi connection dropped, error changing WiFi
  • Dreadful, cannot get lid to connect after battery change
  • Terrible experience, can't connect to app, no follow-up
  • App is terrible, broken, won't reliably connect
  • What a disappointment, lid doesn't work, no engineer visits for lid problems
  • Inconsistent app, lid open notifications, cannot connect to i-Lid
  • Log in issues, incorrect details
  • Worst application, never updates
  • Notifications not working, salt level sensing inaccurate
  • Won't let me login or reset password, code mismatch
  • Does not work at all, cannot connect to iLid
  • Poor app, takes too long to connect, gets stuck at WiFi section
  • Cannot connect app to WiFi, stopped working, app not updated since June 2023
  • Does not connect to ilid, error message 'aylacontrol:'
  • Awful, keeps restarting, won't add softener
  • App periodically logs out user account
  • Awful app, no notifications, pointless
  • Simple but rarely updates with current salt levels
  • Completely inaccurate display of salt levels
  • Crashes when trying to connect
  • App barely ever works, never updates
  • Hardly ever updates, so pretty useless
  • Useless so far, set-up doesn't work, green light not in instructions
  • Sign-up needs improvements, password policy incompatible with Apple password manager, cannot copy-paste password
  • Not getting lid off warnings, app doesn't show lid off symbol
  • Cannot order more salt, error page 'something went wrong. What happened? You are not authorised to use Multipass login'
  • App not sending notifications, has stopped working after phone change
  • Unable to connect, poor after sales service, customer service never calls back
  • Don’t bother, doesn’t connect to any device or internet
  • Inconsistent app, lid open notifications, cannot connect to i-Lid
  • App could be better, lid open notifications cannot be turned off
  • App periodically logs out user account
  • App crashes on iPhone
  • Notifications stopped working
  • App doesn't work, won't connect
  • Not able to register, connection issues with ayla cloud platform
  • Frustrating, cannot connect to WiFi, error message 'aylacontrol:'
  • App doesn't work, inaccurate status, last updated date incorrect
  • App is useless, cannot connect lid
  • Can't connect to device, directions don't match hardware
  • Very bad, glitchy, WiFi connection dropped, error changing WiFi
  • Dreadful, cannot get lid to connect after battery change
  • Terrible experience, can't connect to app, no follow-up
  • App is terrible, broken, won't reliably connect
  • What a disappointment, lid doesn't work, no engineer visits for lid problems
  • Inconsistent app, lid open notifications, cannot connect to i-Lid
  • Log in issues, incorrect details
  • Worst application, never updates
  • Notifications not working, salt level sensing inaccurate
  • Won't let me login or reset password, code mismatch
  • Does not work at all, cannot connect to iLid
  • Poor app, takes too long to connect, gets stuck at WiFi section
  • Cannot connect app to WiFi, stopped working, app not updated since June 2023
  • Does not connect to ilid, error message 'aylacontrol:'
  • Awful, keeps restarting, won't add softener
  • App periodically logs out user account
  • Awful app, no notifications, pointless
  • Simple but rarely updates with current salt levels
  • Completely inaccurate display of salt levels
  • Crashes when trying to connect
  • App barely ever works, never updates
  • Hardly ever updates, so pretty useless
  • Useless so far, set-up doesn't work, green light not in instructions
  • Sign-up needs improvements, password policy incompatible with Apple password manager, cannot copy-paste password
  • Not getting lid off warnings, app doesn't show lid off symbol
  • Cannot order more salt, error page 'something went wrong. What happened? You are not authorised to use Multipass login'
  • App not sending notifications, has stopped working after phone change
  • Unable to connect, poor after sales service, customer service never calls back
  • Don’t bother, doesn’t connect to any device or internet
  • Inconsistent app, lid open notifications, cannot connect to i-Lid
  • App could be better, lid open notifications cannot be turned off
  • App periodically logs out user account

Requested features

14 requests
  • Add history of salt consumption
  • Add feature to track salt level weekly
  • Port to Home Assistant for integration
  • Local level integration for Home Assistant
  • Add Apple Pay at checkout
Show 9 more
  • Track water usage and salt consumption
  • Automated salt ordering
  • Improve password manager compatibility
  • Add Face ID/Touch ID login
  • Turn off lid open notifications from app
  • Web API for home automation integration
  • Allow password saving to Apple Password Manager
  • Improve sign-up process, allow copy-paste of password
  • Add HomeKit integration

In-app purchases

None

Heatmiser

No in-app purchases

None

myHarvey

No in-app purchases

Questions

Is Heatmiser free?
Heatmiser is free to download, with no in-app purchases.
Is myHarvey free?
myHarvey is free to download, with no in-app purchases.
Which has better reviews, Heatmiser or myHarvey?
Heatmiser is rated higher. Heatmiser averages 5.0 out of 5 from 1 ratings, while myHarvey averages 1.0 from 2 ratings.
Do Heatmiser or myHarvey have ads?
Neither Heatmiser nor myHarvey shows ads.
Which is updated more often, Heatmiser or myHarvey?
Heatmiser ships an update every 3 weeks, and myHarvey every 2 months. Most recently, Heatmiser was updated on October 23, 2026 and myHarvey on October 24, 2026.

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