Comparison

iFire vs Harmoni Heating

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

Head to head
About

iFire

This app provides real-time team availability for volunteer firefighters, allowing them to quickly book on and off duty. It instantly updates availability across all team members' devices, making it easy to see who is available for call-outs. Optional subscription unlocks advanced statistics and notification features.

Highlights
  • Update availability instantly
  • View station crew availability
  • Set periods of unavailability
  • Receive low crew notifications
  • Track weekly availability hours
Features
Read full description

iFire has been designed to provide retained/volunteer fire crews with a real-time team availability information & allowing them to book on/off quickly and easily. The app allows team members to book themselves as unavailable, for example if they need to leave the area, and book back on when they return at the touch of a button. The availability is instantly updated across all other team members phones so it's easy to see at any time who is available should the team have a call-out. Features include - * Update your availability at the touch of a button * View availability of your station crew * Set periods of unavailability * Receive notifications when your station crew levels are low * Details of the hours you've been available in the current week The iFire Subscription is an optional monthly auto-renewing subscription which adds: * Previous 5 weeks availability statistics * Unlocks Training & Holiday/Leave statuses * Extra low crew notifications * Extra Notification configuration options * Extra auto-book on times and durations • iFire Subscription is a 1 month auto-renewing subscription • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. • Privacy policy: https://ifire.ifireapp.net/app/html/privacy_policy • Terms of Use: https://ifire.ifireapp.net/app/html/terms

About

Harmoni Heating

Easily manage your smart radiators from anywhere. Group devices by zone, adjust temperatures remotely, and personalize heating schedules for energy savings. Monitor consumption and costs with detailed statistics.

Highlights
  • Remote temperature adjustment
  • Zone grouping for radiators
  • Customizable heating schedules
  • Energy consumption monitoring
  • Preset heating programs
  • Screen color customization
Features
Read full description

NEW VERSION AVAILABLE This last update includes: - Explanatory videos in the pairing process. - Clearer and more visual programming bar. - Reorganisation of advanced functions. - Preview of screen colours in the application. - Incorporation of hotel mode. - Brightness control of the devices. - Early start control. - Addition of new languages: Italian. - Activation of locks and hotel mode from a zone. - Improvements in the statistical control. - Error correction. ____ Control your Harmoni radiators the easy way, whenever and wherever you are. - Group your radiators by zones (such as rooms or floors in a house) or, if you prefer, control them individually. - Modify the temperature of your radiators when you need to, at any time, in any place. - Personalise the programming of your radiators or use one of the 4 preset heating programs installed and increase the energy savings of your heating system. - Check the energy consumption and cost of your radiators by entering the price of your electric tariff. - Customise the screen background colour of your products. A 2.4 GHz Wi-Fi connection with internet access is required by the products to work properly.

Screenshots

iFire4 screens
Harmoni Heating4 screens

Verdict

The call

The clearest difference is review sentiment: iFire at 76% against Harmoni Heating's 27%. iFire also leads on update cadence (every 6 days vs every 2 months). Harmoni Heating's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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. iFire sells 2 in-app purchases, starting at $1.99 per month. Harmoni Heating asks for nothing beyond the download.

UpkeepUpdate frequency

iFire ships an update every 6 days, Harmoni Heating every 2 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
iFire versus Harmoni Heating: the parameters behind the verdict, then further details
ParameteriFireHarmoni Heating
PriceFreeFree
Rating3.8 (6 ratings) — better—
Positive reviews76.3% of reviews — better26.7% of reviews
Number of ratings6 — better—
Update frequencyEvery 6 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size55 MB80 MB
Age rating4+4+
DeveloperKernow SoftwareHome Domotic Developments, S.L.

Customer experience

iFire

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews38 reviews
Positive76.3%
Neutral7.9%
Negative15.8%

Harmoni Heating

Written reviews15 reviews
Positive26.7%
Neutral0.0%
Negative73.3%

In-app purchases

2 purchases

iFire

Subscriptions2
  • iFire Subscription$1.991 Month
  • iFire Annual subcription$19.991 Year
None

Harmoni Heating

No in-app purchases

Questions

Is iFire free?
iFire is free to download, with in-app purchases available.
Is Harmoni Heating free?
Harmoni Heating is free to download, with no in-app purchases.
Do iFire or Harmoni Heating have ads?
Neither iFire nor Harmoni Heating shows ads.
Which is updated more often, iFire or Harmoni Heating?
iFire ships an update every 6 days, and Harmoni Heating every 2 months. Most recently, iFire was updated on September 10, 2026 and Harmoni Heating on June 1, 2026.

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