EURM vs Mercury Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EURM
This application provides timer control for EU-specific display products. It allows users to manage timers for compatible devices within the European Union.
- Timer control
- EU product support
- Device management
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This is led timer control APP, only support EU display products.
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.
Screenshots
Verdict
The clearest difference is rating: Mercury Smart at 4.7 against EURM's 1.0. Mercury Smart also leads on update cadence (every 5 weeks vs every 9 months) and ratings volume (296 vs 1). EURM's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model 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 1.0. 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.
EURM ships an update every 9 months, Mercury Smart every 5 weeks. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.
| Parameter | EURM | Mercury Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.7 (296 ratings) — better |
| Positive reviews | — | 57.1% of reviews |
| Number of ratings | 1 | 296 — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 50 MB | 192 MB |
| Age rating | 4+ | 4+ |
| Developer | 存 杨 | Grupo Empresarial Mercury S.A.S. |
Customer experience
EURM
Mercury Smart
In-app purchases
EURM
No in-app purchases
Mercury Smart
No in-app purchases
