ICM I3 Thermostat vs e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ICM I3 Thermostat
Remotely monitor and control your home's heating and cooling system. Schedule temperature changes, receive alerts for system malfunctions, and save money on energy bills. Ideal for vacation homes or rental properties.
- Remote thermostat monitoring
- HVAC system status verification
- Adjust comfort level remotely
- Weekly scheduling
- Vacation/close date settings
- System malfunction alerts
- Energy saving features
Read full descriptionHide full description
Monitor and adjust your thermostat while away from home. Verify your heating/cooling system is working when you are on vacation. Adjust your comfort level from across the room. Set weekly schedule. Set annual vacation / close dates for schools and businesses.Receive an alert when thermostat or HVAC equipment is not running right. Save money and protect your property. Monitor rental properties. Save energy and protect our planet.
e
Read full descriptionHide full description
The e-Gro app provides rootzone information that puts you in the driver’s seat. The reliable platform paired with our high-quality sensors enable you to monitor and steer your crops. View sensor data from all rooms in your facility and monitor key measurements such as EC, WC, room temperatures and relative humidity. Powered by Grodan
Screenshots
Verdict
The clearest difference is update cadence: ICM I3 Thermostat at every 6 weeks against e's every 33 months. ICM I3 Thermostat also leads on iOS requirement (7.0 vs 13.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ICM I3 Thermostat ships an update every 6 weeks, e every 33 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | ICM I3 Thermostat | e |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks — better | Every 33 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 54 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ICM Controls Corp | Rockwool International A/S |
In-app purchases
ICM I3 Thermostat
No in-app purchases
e
No in-app purchases
