# Secuyou Smart Lock vs Yamarin

The clearest difference is in-app purchases: Yamarin at none against Secuyou Smart Lock's 2. Secuyou Smart Lock's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price and iOS requirement there is nothing between them.

Both are free to download. Secuyou Smart Lock sells 2 one-off in-app purchases. Yamarin asks for nothing beyond the download.

Secuyou Smart Lock ships an update every 2 weeks, Yamarin every 6 weeks. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Secuyou Smart Lock | Yamarin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/secuyou-smart-lock/id1373219218/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 85 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Secuyou ApS](https://appshunter.io/developer/1046482453) | [Buster](https://appshunter.io/developer/599048750) |

## What reviewers say

### Secuyou Smart Lock

[App page](https://appshunter.io/ios/app/secuyou-smart-lock/id1373219218)

Control your Secuyou Smart Lock using your iPhone. This free app allows you to add multiple locks and connect to them via Bluetooth Smart when in range. It transforms your smartphone into a digital key.

**Highlights:** iPhone lock control, Add multiple locks, Bluetooth Smart connectivity, Smartphone as digital key

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remote control | $9.99 | one-time |
| Watch app | $11.99 | one-time |


### Yamarin

[App page](https://appshunter.io/ios/app/yamarin/id1447471702)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Secuyou Smart Lock free?

Secuyou Smart Lock is free to download, with in-app purchases available.

### Is Yamarin free?

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

### Do Secuyou Smart Lock or Yamarin have ads?

Yamarin shows ads; Secuyou Smart Lock does not.

### Which is updated more often, Secuyou Smart Lock or Yamarin?

Secuyou Smart Lock ships an update every 2 weeks, and Yamarin every 6 weeks. Most recently, Secuyou Smart Lock was updated on October 21, 2026 and Yamarin 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.*