# G vs Authenticator App

The clearest difference is ads: G at none against Authenticator App's shown. Authenticator App's advantage is update cadence (every 4 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. G sells 1 in-app purchase, starting at $9.99 per 7 days and Authenticator App sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

G ships an update monthly, Authenticator App every 4 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | G | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/g-spy/id6767222740/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 143 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [FALLSTIGMA LTD](https://appshunter.io/developer/1627543120) | [GEARVN TRADING COMPANY LIMITED](https://appshunter.io/developer/1821160309) |

## What reviewers say

### G

[App page](https://appshunter.io/ios/app/g-spy/id6767222740)

Detect hidden wired and wireless cameras, including Wi-Fi and Bluetooth devices, to secure your personal space. Store scan results for future reference and take control of your privacy.

**Highlights:** Detect wired cameras, Detect wireless cameras, Wi-Fi enabled device detection, Bluetooth device detection, Secure scan result storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per 7 days |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6778331448)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is G free?

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

### Is Authenticator App free?

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

### Do G or Authenticator App have ads?

Authenticator App shows ads; G does not.

### Which is updated more often, G or Authenticator App?

G ships an update monthly, and Authenticator App every 4 days. Most recently, G was updated on October 14, 2026 and Authenticator App on October 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.*