iCOMM Connectivity vs ZenBus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCOMM Connectivity
Remotely manage compatible water heaters with this app. Monitor temperature, operating modes, and receive diagnostic notifications. Optimize energy usage by aligning with utility programs.
- Remote water heater management
- Temperature and mode control
- Diagnostic fault notifications
- Utility program alignment
- Easy setup process
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With options to control temperature and operating mode, the iCOMM™ Mobile App is designed for: A. O. Smith, State, American, Lochinvar, and Reliance water heaters. It features the iCOMM™ connectivity platform, the latest technology for remote water heater management. Through an easy setup process, connect all your iCOMM™ enabled water heaters to the app. Once connected, you’ll gain access to diagnostic fault notifications, settings for your water heaters and much more. Designed for Homeowners & Professionals iCOMM™ Connectivity Platform Stay connected to your water heater. Monitor temperature, schedules and more with peace of mind and total control. Operation Mode Choose your ideal operating mode, depending on how you use your water heater. Demand Response and Time-of-Use Alignment Align your water heater to your utility company’s Demand Response or Time-of-Use programs rate plans through the app to save energy.
ZenBus
This app provides real-time tracking for shuttles and school buses, offering estimated arrival times and location updates. It allows users to set arrival notifications and can integrate with NFC tags for boarding and disembarking alerts, enhancing safety and peace of mind for guardians.
- Real-time bus location tracking
- Estimated arrival time (ETA) updates
- Customizable arrival notifications
- NFC tagging for boarding/disembarking alerts
- Guardian/Parental monitoring
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ZenBus is the ultimate all-in-one solution for tracking shuttles and school buses. With ZenBus, managers and users can effortlessly stay informed about the real-time location and estimated arrival times (ETAs) of their buses and shuttles. Never miss a stop with ZenBus, as it offers the convenient feature of setting arrival notifications according to your preferences. In addition, ZenBus can be seamlessly paired with Zenduit's NFC tagging feature, allowing Guardians/Parents to receive direct notifications when their Traveller/Child boards and disembarks the bus. With this advanced technology, Guardians/Parents can have peace of mind, knowing that their Traveller's/Child's whereabouts can be closely monitored throughout the journey.
Screenshots
Verdict
The clearest difference is ratings volume: iCOMM Connectivity at 398 against ZenBus's 9. iCOMM Connectivity also leads on iOS requirement (15.1 vs 18.0). ZenBus's advantage is update cadence (every 6 weeks vs every 3 months). On price, rating, review sentiment and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 1.2 for iCOMM Connectivity against 1.1 for ZenBus. That said, the two scores are not equally well evidenced: iCOMM Connectivity has 398 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 3% of iCOMM Connectivity's written reviews are positive against 0% of ZenBus's.
iCOMM Connectivity ships an update every 3 months, ZenBus every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | iCOMM Connectivity | ZenBus |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (398 ratings) — better | 1.1 (9 ratings) |
| Positive reviews | 3.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 398 — better | 9 |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 33 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | A. O. Smith | Zenduit |
Customer experience
iCOMM Connectivity
ZenBus
Bugs and requests
iCOMM Connectivity
Reported bugs
19 issues- App loses water heater registration without warning
- QR code scanner fails to recognize valid codes
- Manual serial number entry rejected despite correct input
- Session expires within 15-30 seconds of login
- App crashes when attempting to set schedules
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- Service outage messages persist for weeks
- App forgets user credentials between sessions
- Bluetooth connection fails despite device visibility
- Graph/trend plotting broken after updates
- Hot water availability gauge displays incorrect information
- App freezes on splash screen with no error message
- Temperature changes in app don't reflect on actual heater
- Dirty air filter alerts don't clear after cleaning
- App doesn't update when switching between other applications
- Registration process fails with 'unexpected error' messages
- App incompatible with 5GHz WiFi networks
- Latest version broke daily usage graph functionality
- Temperature range artificially lowered without user consent
- App won't open after iOS/system updates
Requested features
17 requests- Real-time current water temperature display
- Hourly energy usage breakdown (not just daily/monthly)
- Simple on/off scheduling by time of day
- Temperature scheduling for specific times
- Data export capability
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- Persistent login sessions without forced logouts
- Instant power consumption readings
- Estimated time to reach target temperature
- Leak detection alerts and notifications
- Integration with smart home platforms (Apple Home, SmartThings)
- Better QR code scanning with modern camera support
- In-app contact/support messaging
- Ability to control heater without physical access for setup
- Comparison of usage across different time periods
- Detailed telemetry and diagnostic information
- Automatic schedule adjustments based on utility rates
- Current heating element status display
ZenBus
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iCOMM Connectivity
No in-app purchases
ZenBus
No in-app purchases
