# Authenticator vs Grass Identifier Grass Scanner

The clearest difference is iOS requirement: Authenticator at 16.0 against Grass Identifier Grass Scanner's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days and Grass Identifier Grass Scanner sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator ships an update every 5 months, Grass Identifier Grass Scanner every 3 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Authenticator | Grass Identifier Grass Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (61 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-mfa/id6748400576/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 31 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [DEDUSHKA DEVELOPMENT - FZCO](https://appshunter.io/developer/1895610448) | [Mohamed Lotfi](https://appshunter.io/developer/1833924849) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-mfa/id6748400576)

This app provides two-factor authentication to secure your online accounts. It generates time-based one-time passwords for various services, offering features like cloud backup, biometric protection, and offline code generation. Protect your digital life with this reliable and user-friendly security solution.

**Highlights:** Time-based one-time passwords (TOTP), Secure cloud backup and sync, Biometric and PIN protection, QR code scanner for setup, Offline code generation, Support for multiple accounts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


### Grass Identifier Grass Scanner

[App page](https://appshunter.io/ios/app/grass-identifier-grass-scanner/id6752424017)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Plan | $7.99 | per 7 days |
| Yearly Premium Plan | $29.99 | per year |
| Lifetime Premium Plan | $89.99 | one-time |


## Frequently asked questions

### Is Authenticator free?

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

### Is Grass Identifier Grass Scanner free?

Grass Identifier Grass Scanner is free to download, with in-app purchases available.

### Do Authenticator or Grass Identifier Grass Scanner have ads?

Neither Authenticator nor Grass Identifier Grass Scanner shows ads.

### Which is updated more often, Authenticator or Grass Identifier Grass Scanner?

Authenticator ships an update every 5 months, and Grass Identifier Grass Scanner every 3 months. Most recently, Authenticator was updated on October 5, 2026 and Grass Identifier Grass Scanner on October 9, 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.*