# Trackpro Alarm vs Yi iot +

The clearest difference is in-app purchases: Trackpro Alarm at none against Yi iot +'s 2. Trackpro Alarm also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (8.0 vs 17). On price, ads and device support there is nothing between them.

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

Trackpro Alarm ships an update every 2 weeks, Yi iot + every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Trackpro Alarm | Yi iot + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (912 ratings)](https://appshunter.io/ios/app/yi-iot-plus/id6752410463/reviews)** |
| Number of ratings | — | **912** |
| Positive reviews | — | 9.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 24 MB |
| Requires iOS | **8.0** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZiHuan Liu](https://appshunter.io/developer/1074948523) | [Joshua Jarvis](https://appshunter.io/developer/6803155644) |

## What reviewers say

### Trackpro Alarm

[App page](https://appshunter.io/ios/app/trackpro-alarm/id6444943286)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Trackpro Alarm free?

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

### Is Yi iot + free?

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

### Do Trackpro Alarm or Yi iot + have ads?

Neither Trackpro Alarm nor Yi iot + shows ads.

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

Trackpro Alarm ships an update every 2 weeks, and Yi iot + every 6 weeks. Most recently, Trackpro Alarm was updated on October 27, 2026 and Yi iot + on October 30, 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.*