Mercury Smart vs Holin
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
Read full descriptionHide full description
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.
Holin
This app connects to smart glasses to create immersive augmented reality experiences. It allows for virtual-real superimposition, panoramic displays, and scene recognition for a unique visual journey.
- AR virtual-real superimposition
- Panoramic light and shadow presentation
- One-click device connection
- Scene recognition
- Content projection
- Parameter customization
Read full descriptionHide full description
Holin is an exclusive control and interaction APP specially designed for smart glasses, enabling AR virtual-real superimposition, panoramic light and shadow presentation, and one-click device connection. It builds an immersive digital visual world with smooth light and shadow, supports scene recognition, content projection, and parameter customization, allowing each wearing experience to unlock a brand-new visual experience that transcends reality.
Screenshots
Verdict
The clearest difference is rating: Mercury Smart at 4.7 against Holin's 3.7. Mercury Smart also leads on ads (none vs shown) and ratings volume (296 vs 3). On price, update cadence, 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.
Mercury Smart holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Mercury Smart has 296 ratings behind it against 3, so its average is the more settled of the two.
Mercury Smart ships an update every 5 weeks, Holin every 6 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Mercury Smart | Holin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (296 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 296 — better | 3 |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 13.6 |
| Further details — not scored | ||
| Size | 192 MB | 726 MB |
| Age rating | 4+ | 4+ |
| Developer | Grupo Empresarial Mercury S.A.S. | 深圳市矢量律动科技有限公司 |
Customer experience
Mercury Smart
Holin
In-app purchases
Mercury Smart
No in-app purchases
Holin
No in-app purchases









