FCEMC vs Carina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FCEMC
Manage your account details, view bills and balances, and make payments securely on the go. Schedule alerts, receive notifications, and access nearly all web portal features instantly from your mobile device.
- Secure account access
- View bill and balance
- Make payments
- Schedule alerts and reminders
- Receive push notifications
- Manage account details
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Our Mobile App is designed to give you fast, secure account access so you can easily manage your account details, view your bill and your account balance, make payments and find payment locations, schedule alerts and reminders, receive push notifications, and more. Nearly everything you can do from our web portal can now be handled instantly whether you’re at home, at work, or on the go.
Carina
Monitor and control your Carina grid-interactive water heater remotely. View tank temperatures, hot water levels, and critical alarms. Track estimated energy usage and activate vacation mode for convenience.
- View tank temperatures
- Monitor hot water remaining
- Track estimated energy usage
- Receive critical alarms
- Activate vacation mode
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Gain insight and control over your Carina grid-interactive water heater. View current tank temperatures and hot water remaining, monitor critical alarms, track energy usage over time*, and remotely put your water heater into vacation mode. * The energy usage and energy costs displayed in this app are estimates. Thermostat icon designed by Hirschwolf from Flaticon.
Screenshots
Verdict
The clearest difference is review sentiment: Carina at 50% against FCEMC's 0%. Carina also leads on rating (4.0 vs 3.2). FCEMC's advantage is iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence 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.
Carina holds the better App Store score, 4.0 against 3.2. Both are backed by a comparable volume of ratings — 11 and 7 respectively. Written reviews point the same way: 0% of FCEMC's written reviews are positive against 50% of Carina's.
FCEMC ships an update every 4 months, Carina every 3 months. The most recent releases landed on September 10, 2026 and June 2, 2026 respectively.
| Parameter | FCEMC | Carina |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (11 ratings) | 4.0 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 11 — better | 7 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 175 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | FOUR COUNTY ELECTRIC MEMBERSHIP CORPORATION | Carina Technology |
Customer experience
FCEMC
Carina
In-app purchases
FCEMC
No in-app purchases
Carina
No in-app purchases
