TMC Alarm + vs ONE!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TMC Alarm +
Remotely manage your home security system with this app. Arm and disarm your system, control user access, and receive instant notifications for events like door openings or motion detection.
- Remote arm/disarm
- User and code management
- Real-time notification rules
- Door/window open alerts
- Motion detection alerts
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It’s your home, you set the rules. The TMC Alarm + app gives you what you deserve, reliability and control. Arm and disarm your security system remotely, manage users and codes with ease. Set rules for real-time notifications and know instantly when doors and windows are opened or when motion is detected.
ONE!
Control your smart living space with this app. Manage suite access, adjust climate, monitor security, and access building services through an intuitive interface. Experience the convenience of smart home technology.
- Suite door unlocking
- Temperature control
- Motion sensor monitoring
- Camera surveillance
- Building service access
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Elevate your living experience in SmartONE powered units with the ONE! App. Seamlessly interact with your suite and building amenities through our user-friendly interface. Unlock doors, fine-tune your comfort with temperature control, monitor security with motion sensors and cameras, and access a host of other essential building services. Discover the future of smart living, all at your fingertips.
Screenshots
Verdict
The clearest difference is rating: TMC Alarm + at 4.8 against ONE!'s 4.5. TMC Alarm + also leads on ratings volume (964 vs 17) and review sentiment (41% vs 23%). ONE!'s advantage is iOS requirement (12.4 vs 16.6). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TMC Alarm + holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: TMC Alarm + has 964 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 41% of TMC Alarm +'s written reviews are positive against 23% of ONE!'s.
TMC Alarm + ships an update every 3 weeks, ONE! every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | TMC Alarm + | ONE! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (964 ratings) — better | 4.5 (17 ratings) |
| Positive reviews | 41.0% of reviews — better | 23.1% of reviews |
| Number of ratings | 964 — better | 17 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 12.4 — better |
| Further details — not scored | ||
| Size | 274 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Energy Savings Corp | SmartONE Solutions Inc |
Customer experience
TMC Alarm +
ONE!
Bugs and requests
TMC Alarm +
Reported bugs
3 issues- Invalid access code errors
- App not loading after updates
- Home dashboard buttons disappearing
Requested features
3 requests- Scheduled arm/disarm feature
- Emergency/SOS button in app
- Integration with smart home platforms
ONE!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TMC Alarm +
No in-app purchases
ONE!
No in-app purchases
