# Mercury Smart vs Holin

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.

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.

## The numbers

| Metric | Mercury Smart | Holin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (296 ratings)](https://appshunter.io/ios/app/mercury-smart/id1584993396/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/holin/id6759892920/reviews) |
| Number of ratings | **296** | 3 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 192 MB | 726 MB |
| Requires iOS | **13.0** | 13.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Empresarial Mercury S.A.S.](https://appshunter.io/developer/1584993398) | [深圳市矢量律动科技有限公司](https://appshunter.io/developer/1824120103) |

## What reviewers say

### Mercury Smart

[App page](https://appshunter.io/ios/app/mercury-smart/id1584993396)

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.

**Highlights:** Manage multiple smart devices, Real-time alerts, Control lighting and electronics, Security alerts, Voice command integration, Home automation

**Features:** macOS Compatibility

**In-app purchases:** none


### Holin

[App page](https://appshunter.io/ios/app/holin/id6759892920)

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.

**Highlights:** AR virtual-real superimposition, Panoramic light and shadow presentation, One-click device connection, Scene recognition, Content projection, Parameter customization

**In-app purchases:** none


## Frequently asked questions

### Is Mercury Smart free?

Mercury Smart is free to download, with no in-app purchases.

### Is Holin free?

Holin is free to download, with no in-app purchases.

### Which has better reviews, Mercury Smart or Holin?

Mercury Smart is rated higher. Mercury Smart averages 4.7 out of 5 from 296 ratings, while Holin averages 3.7 from 3 ratings.

### Do Mercury Smart or Holin have ads?

Holin shows ads; Mercury Smart does not.

### Which is updated more often, Mercury Smart or Holin?

Mercury Smart ships an update every 5 weeks, and Holin every 6 weeks. Most recently, Mercury Smart was updated on October 27, 2026 and Holin on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*