# SubEraser vs Yi iot +

The clearest difference is price: Yi iot + at Free against SubEraser's $3.99. SubEraser's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Yi iot + is free to download; SubEraser costs $3.99 up front. Yi iot + sells 2 in-app purchases, starting at $4.99 per 7 days. SubEraser asks for nothing beyond the download.

SubEraser ships an update monthly, Yi iot + every 6 weeks. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SubEraser | Yi iot + |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.1 (903 ratings)](https://appshunter.io/ios/app/yi-iot-plus/id6752410463/reviews)** |
| Number of ratings | — | **903** |
| Positive reviews | — | 9.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 24 MB |
| Requires iOS | 18.4 | **17** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cedrik Razafimanantsoa](https://appshunter.io/developer/1810428729) | [Joshua Jarvis](https://appshunter.io/developer/6803155644) |

## What reviewers say

### SubEraser

[App page](https://appshunter.io/ios/app/suberaser/id6745708274)

**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 SubEraser free?

SubEraser costs $3.99, with no in-app purchases.

### Is Yi iot + free?

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

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

Neither SubEraser nor Yi iot + shows ads.

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

SubEraser ships an update monthly, and Yi iot + every 6 weeks. Most recently, SubEraser was updated on September 30, 2026 and Yi iot + on October 13, 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.*