Mercury Smart vs Alone App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mercury Smart
This app allows you to transform your home into a smart house by managing and controlling multiple devices from a single interface. Receive real-time alerts and easily manage lighting, electronics, and security. Automate and customize your home's functionality with voice commands.
- Manage multiple smart devices
- Real-time alerts
- Control lighting and electronics
- Security alerts
- Voice command integration
- Home automation
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Mercury Smart Transform your home into a smart house. Manage and control multiple devices from a single app. Receive real-time alerts about what’s happening in your home or business. Easily manage lighting, electronic devices, and security alerts. Use voice commands to control compatible devices. Monitor, automate, and customize your home’s functionality.
Alone App
This app provides a safety net for individuals living alone. It features smart check-ins and sends instant alerts to emergency contacts if you don't respond, ensuring your well-being and offering peace of mind.
- Smart check-ins
- Instant emergency alerts
- Customizable check-in frequency
- Privacy-first design
- Simple and reliable interface
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An increasing number of people around the world are choosing to live alone. The Alone app helps protect their well-being with smart check-ins and instant alerts to emergency contacts. Stay safe and independent—with just one click. Why use Alone? Peace of mind – Know someone will be alerted if you don’t respond. Simple & reliable – Just one click per check-in. Customizable – Choose the check-in frequency that fits your lifestyle. Reassurance – Stay safe while keeping your loved ones reassured. Privacy-first – Easy to use, secure, and discreet. Alone – Where peace of mind begins.
Screenshots
Verdict
The clearest difference is review sentiment: Mercury Smart at 57% against Alone App's 0%. Mercury Smart also leads on rating (4.7 vs 3.0) and ratings volume (296 vs 1). 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.
Mercury Smart holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Mercury Smart has 296 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 57% of Mercury Smart's written reviews are positive against 0% of Alone App's.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Mercury Smart | Alone App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (296 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 57.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 296 — better | 1 |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 192 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Grupo Empresarial Mercury S.A.S. | Alone B.V. |
Customer experience
Mercury Smart
Alone App
In-app purchases
Mercury Smart
No in-app purchases
Alone App
No in-app purchases
