# Upkey vs DuoSmart

The clearest difference is rating: DuoSmart at 4.2 against Upkey's 3.0. DuoSmart also leads on ratings volume (19 vs 2). Upkey's advantage is update cadence (every 3 weeks vs every 9 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DuoSmart holds the better App Store score, 4.2 against 3.0. That said, the two scores are not equally well evidenced: DuoSmart has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 25% and 25% positive.

Upkey ships an update every 3 weeks, DuoSmart every 9 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Upkey | DuoSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/upkey/id1455347026/reviews) | **[4.2 (19 ratings)](https://appshunter.io/ios/app/duosmart/id1494085580/reviews)** |
| Number of ratings | 2 | **19** |
| Positive reviews | 25.0% of reviews | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 34 MB | 196 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omnitec Systems, S.L.](https://appshunter.io/developer/1161331601) | [Tecnosinergia](https://appshunter.io/developer/1448400951) |

## What reviewers say

### Upkey

[App page](https://appshunter.io/ios/app/upkey/id1455347026)

This application allows hotels to integrate BLE devices and smartphones into their access control system. It facilitates the generation and sending of electronic keys from reception software or a smartphone for emergency access.

**Highlights:** BLE device integration, Smartphone access control, Electronic key generation, Bluetooth opening via smartphone, Access audit replication, Security level management

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### DuoSmart

[App page](https://appshunter.io/ios/app/duosmart/id1494085580)

Manage all your smart devices from one app. Control compatible devices, use voice commands, and create custom scenes based on conditions like temperature or time. Receive real-time alerts for enhanced security and easily share device access.

**Highlights:** Remote control for DuoSmart and Tuya devices, Voice control with Amazon Echo and Google Assistant, Create custom automation scenes, Real-time security alerts, Share device access easily, Control multiple devices simultaneously

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Upkey free?

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

### Is DuoSmart free?

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

### Which has better reviews, Upkey or DuoSmart?

DuoSmart is rated higher. Upkey averages 3.0 out of 5 from 2 ratings, while DuoSmart averages 4.2 from 19 ratings.

### Do Upkey or DuoSmart have ads?

Neither Upkey nor DuoSmart shows ads.

### Which is updated more often, Upkey or DuoSmart?

Upkey ships an update every 3 weeks, and DuoSmart every 9 months. Most recently, Upkey was updated on October 14, 2026 and DuoSmart on October 6, 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.*