# Yi iot + vs QRlinky

The clearest difference is in-app purchases: QRlinky at none against Yi iot +'s 2. QRlinky also leads on update cadence (every 2 weeks vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Yi iot + sells 2 in-app purchases, starting at $4.99 per 7 days. QRlinky asks for nothing beyond the download.

Yi iot + ships an update every 6 weeks, QRlinky every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Yi iot + | QRlinky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (915 ratings)](https://appshunter.io/ios/app/yi-iot-plus/id6752410463/reviews)** | — |
| Number of ratings | **915** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 52 MB |
| Requires iOS | 17 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Joshua Jarvis](https://appshunter.io/developer/6803155644) | [DANIEL MARTINEZ](https://appshunter.io/developer/1464726534) |

## What reviewers say

### Yi iot +

[App page](https://appshunter.io/ios/app/yi-iot-plus/id6752410463)

Detect and identify unfamiliar electronic devices and hidden lenses nearby. Gain peace of mind in various locations like hotels, offices, or public spaces by understanding your surroundings.

**Highlights:** Wireless device detection (Bluetooth/Wi-Fi), Infrared lens scanner, Smart scan modes, Fast and easy to use interface, Ideal for travel privacy checks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premuim | $4.99 | per 7 days |
| Get Premuim | $4.99 | per 7 days |


### QRlinky

[App page](https://appshunter.io/ios/app/qrlinky/id6773212026)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Yi iot + free?

Yi iot + is free to download, with in-app purchases available.

### Is QRlinky free?

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

### Do Yi iot + or QRlinky have ads?

Neither Yi iot + nor QRlinky shows ads.

### Which is updated more often, Yi iot + or QRlinky?

Yi iot + ships an update every 6 weeks, and QRlinky every 2 weeks. Most recently, Yi iot + was updated on November 8, 2026 and QRlinky on November 5, 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.*