# Spy Detector vs 2FA.Authenticator

The clearest difference is iOS requirement: Spy Detector at 14.0 against 2FA.Authenticator's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Spy Detector sells 3 in-app purchases, starting at $6.99 per 7 days and 2FA.Authenticator sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Spy Detector ships an update monthly, 2FA.Authenticator fortnightly. The most recent releases landed on September 19, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Spy Detector | 2FA.Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/spy-detector-security-scanner/id6751642484/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 6 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [胭 李](https://appshunter.io/developer/1775102138) | [Murat Dikenci](https://appshunter.io/developer/1840677360) |

## What reviewers say

### Spy Detector

[App page](https://appshunter.io/ios/app/spy-detector-security-scanner/id6751642484)

This app helps you enhance your personal security by scanning your surroundings for unauthorized devices and unusual reflections. It offers quick checks and an intuitive interface to provide peace of mind in various locations.

**Highlights:** Network scan for unknown devices, Bluetooth device detection, Light and reflection filter, Quick instant scans, Intuitive user interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spy Detector Pro Week | $6.99 | per 7 days |
| Spy Detector Pro Month | $14.99 | per month |
| Spy Detector Pro year | $29.99 | per year |


### 2FA.Authenticator

[App page](https://appshunter.io/ios/app/2faauthenticator-securekey/id6755472545)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro | $4.99 | per 7 days |
| Authenticator Pro | $39.99 | per year |


## Frequently asked questions

### Is Spy Detector free?

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

### Is 2FA.Authenticator free?

2FA.Authenticator is free to download, with in-app purchases available.

### Do Spy Detector or 2FA.Authenticator have ads?

Neither Spy Detector nor 2FA.Authenticator shows ads.

### Which is updated more often, Spy Detector or 2FA.Authenticator?

Spy Detector ships an update monthly, and 2FA.Authenticator fortnightly. Most recently, Spy Detector was updated on September 19, 2026 and 2FA.Authenticator on August 20, 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.*