# Detector vs OTA

The clearest difference is review sentiment: Detector at 87% against OTA's 0%. Detector also leads on update cadence (every 10 days vs every 32 months). OTA's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

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

Detector ships an update every 10 days, OTA every 32 months. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Detector | OTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (557 ratings)](https://appshunter.io/ios/app/detectorfind-lostspy-device/id465214552/reviews)** | — |
| Number of ratings | **557** | — |
| Positive reviews | **87.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 32 months |
| Monetization | Ad-supported | **Free** |
| Size | 40 MB | 1 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [长金 胡](https://appshunter.io/developer/1528253434) | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) |

## What reviewers say

### Detector

[App page](https://appshunter.io/ios/app/detectorfind-lostspy-device/id465214552)

Detect hidden spy devices like cameras and microphones using advanced technology. This app helps you safeguard your privacy by scanning for Bluetooth, magnetic fields, infrared, and Wi-Fi signals. Restore peace of mind by unmasking intrusive gadgets in your surroundings.

**Highlights:** Multi-faceted detection (Bluetooth, magnetic, infrared, Wi-Fi), User-friendly interface, Real-time alerts, Customizable settings, Portable and convenient

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works as advertised
- 👍 Easy to use
- 🔍 Variety of detection methods
- 💡 Helpful for finding lost devices
- 🔒 Useful for security purposes

**What reviewers complain about**

- 🔋 High ad frequency
- 📍 Inaccurate distance measurements
- 🐛 Compatibility issues with some devices

**Reported bugs**

- Inability to detect some known devices
- Freezing or crashing issues

**Requested features**

- Option to remove ads for a fee
- Improved accuracy for distance and location tracking
- More detailed information on detected devices


### OTA

[App page](https://appshunter.io/ios/app/ota/id1581582009)

This application facilitates the online firmware upgrade of supported devices via Bluetooth. It allows users to update firmware to desired versions, significantly reducing the time required for the process.

**Highlights:** Bluetooth firmware upgrades, Online firmware updates, Support for various firmware versions, Time-efficient upgrades, Device firmware management

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

**In-app purchases:** none


## Frequently asked questions

### Is Detector free?

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

### Is OTA free?

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

### Do Detector or OTA have ads?

Detector shows ads; OTA does not.

### Which is updated more often, Detector or OTA?

Detector ships an update every 10 days, and OTA every 32 months. Most recently, Detector was updated on October 26, 2026 and OTA 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.*