# Detector. vs Locked In

The clearest difference is ads: Locked In at none against Detector.'s shown. Detector.'s advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Detector. sells 2 in-app purchases, starting at $1.99 per month and Locked In sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Detector. ships an update weekly, Locked In every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Detector. | Locked In |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 176 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Detector.

[App page](https://appshunter.io/ios/app/detector/id6758643348)

This app uses your phone's sensors to scan for hidden signals, wireless activity, and environmental anomalies. It helps inspect spaces for suspicious devices and provides detailed reports for privacy and security analysis. Features include room mapping, risk assessment, and device diagnostics.

**Highlights:** Hidden signal scanning, Device analysis, Room mapping, Risk assessment, Detailed reporting, Environmental anomaly detection, Offline mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| detector_by_oliva_subscription | $1.99 | per month |
| detector_by_oliva_donation | $1.99 | one-time |


### Locked In

[App page](https://appshunter.io/ios/app/locked-in-prep-for-sec-plus/id6770300247)

Prepare for the CompTIA Security+ (SY0-701) exam with this offline study companion. It offers concise lessons, practice questions, flashcards, and progress tracking to help you master key security concepts.

**Highlights:** Offline study companion, SY0-701 domain-based lessons, Practice questions and PBQ activities, Flashcards with spaced repetition, Searchable glossary, Progress tracking and study plan

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Locked In! Security+ Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Detector. free?

Detector. is free to download, with in-app purchases available.

### Is Locked In free?

Locked In is free to download, with in-app purchases available.

### Do Detector. or Locked In have ads?

Detector. shows ads; Locked In does not.

### Which is updated more often, Detector. or Locked In?

Detector. ships an update weekly, and Locked In every 2 weeks. Most recently, Detector. was updated on November 5, 2026 and Locked In 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.*