SmartSignal vs 300 Main
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartSignal
Access and control your security system remotely via your smartphone or tablet. View live footage and interact with your system from any location after creating an account and adding your device.
- Remote security system access
- View live footage
- Interact with security system
- Create user account
- Add security system
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Defender SmartSignal enables users to view and interact with their security system using a smartphone or tablet device from anywhere. Create an account, add your system and view or interact with your footage all from the Defender SmartSignal app.
300 Main
Manage your living experience with a suite of online services. Book amenities, submit service requests, communicate with management, and handle payments seamlessly. Focus on enjoying your life with convenient access to all your building's offerings.
- Amenity reservations
- Service requests
- Resident messaging
- Online payments
- Concierge services
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Experience the convenience and luxury of living at 300 Main with our resident app. Enjoy a variety of online services including amenity reservations, service requests, messaging, payments, concierge services, and much more, allowing you to focus on the finer things in life.
Screenshots
Verdict
The clearest difference is rating: 300 Main at 5.0 against SmartSignal's 1.5. 300 Main also leads on update cadence (fortnightly vs every 13 months). SmartSignal's advantage is iOS requirement (9.0 vs 16.6). On price, ratings volume, 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.
300 Main holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 29 and 28 respectively.
SmartSignal ships an update every 13 months, 300 Main fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | SmartSignal | 300 Main |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (29 ratings) | 5.0 (28 ratings) — better |
| Positive reviews | 4.3% of reviews | — |
| Number of ratings | 29 — better | 28 |
| Update frequency | Every 13 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 129 MB | 267 MB |
| Age rating | 4+ | 4+ |
| Developer | Empowerment Technologies Inc. | Livly Inc |
Customer experience
SmartSignal
300 Main
In-app purchases
SmartSignal
No in-app purchases
300 Main
No in-app purchases
Questions
Is SmartSignal free?
Is 300 Main free?
Which has better reviews, SmartSignal or 300 Main?
Do SmartSignal or 300 Main have ads?
Which is updated more often, SmartSignal or 300 Main?
Other comparisons
