# Authenticator Duo vs Hidden Cameras Scanner, Finder

The clearest difference is rating: Authenticator Duo at 5.0 against Hidden Cameras Scanner, Finder's 4.4. Authenticator Duo also leads on update cadence (every 2 days vs every 5 days). Hidden Cameras Scanner, Finder's advantage is monetization model (free with in-app purchases vs subscription). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator Duo sells 2 in-app purchases, starting at $6.99 per 7 days and Hidden Cameras Scanner, Finder sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator Duo holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 14 and 32 respectively.

Authenticator Duo ships an update every 2 days, Hidden Cameras Scanner, Finder every 5 days. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Authenticator Duo | Hidden Cameras Scanner, Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892/reviews)** | [4.4 (32 ratings)](https://appshunter.io/ios/app/hidden-cameras-scanner-finder/id6670215647/reviews) |
| Number of ratings | 14 | **32** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 20 MB | 58 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Quentin Powell](https://appshunter.io/developer/1751779133) | [Theresa Audrey](https://appshunter.io/developer/1776932018) |

## What reviewers say

### Authenticator Duo

[App page](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892)

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

**Highlights:** Generate and store 2FA/MFA tokens, Scan QR codes or manually input codes, End-to-end encryption for all codes, Face ID & Touch ID access, Encrypted iCloud backups, Offline operation, Import existing tokens

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription with trial | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |


### Hidden Cameras Scanner, Finder

[App page](https://appshunter.io/ios/app/hidden-cameras-scanner-finder/id6670215647)

Detect hidden surveillance devices in hotels, rentals, or your home. This tool scans for unusual signals and lights to help you safeguard your personal space and ensure privacy.

**Highlights:** Detects hidden surveillance devices, Scans for wireless signals, Detects infrared lights, Scans electromagnetic fields, User-friendly step-by-step guidance, Safeguards personal space

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| hiddenWeeklyTrial | $6.99 | per 7 days |
| hiddenMonthlyTrial | $14.99 | per month |
| hiddenYearTrial | $31.99 | per year |


## Frequently asked questions

### Is Authenticator Duo free?

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

### Is Hidden Cameras Scanner, Finder free?

Hidden Cameras Scanner, Finder is free to download, with in-app purchases available.

### Which has better reviews, Authenticator Duo or Hidden Cameras Scanner, Finder?

Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 ratings, while Hidden Cameras Scanner, Finder averages 4.4 from 32 ratings.

### Do Authenticator Duo or Hidden Cameras Scanner, Finder have ads?

Neither Authenticator Duo nor Hidden Cameras Scanner, Finder shows ads.

### Which is updated more often, Authenticator Duo or Hidden Cameras Scanner, Finder?

Authenticator Duo ships an update every 2 days, and Hidden Cameras Scanner, Finder every 5 days. Most recently, Authenticator Duo was updated on October 2, 2026 and Hidden Cameras Scanner, Finder on October 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.*