# Authenticator App vs GreenWash

The clearest difference is in-app purchases: GreenWash at none against Authenticator App's 10. GreenWash also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (12.0 vs 15.6). Authenticator App's advantage is device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. Authenticator App sells 10 in-app purchases, starting at $4.99 per 7 days. GreenWash asks for nothing beyond the download.

Authenticator App ships an update fortnightly, GreenWash every 4 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Authenticator App | GreenWash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (654 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6450535322/reviews)** | — |
| Number of ratings | **654** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 84 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Netron](https://appshunter.io/developer/1692513455) | [Next Octet](https://appshunter.io/developer/1816697760) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6450535322)

Enhance your online security with multi-factor and two-factor authentication. This app generates unique verification codes to protect sensitive accounts and data from unauthorized access, offering peace of mind for your digital life.

**Highlights:** Generate unique verification codes, Encrypted data and iCloud backups, Sync 2FA tokens across Apple devices, Apple Watch support, Customizable icons, PIN lock and auto-lock, Biometric authentication (Face ID/Touch ID)

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Secure Yourself - Weekly | $4.99 | per 7 days |
| Monthly Offer Access | $7.99 | per month |
| Secure Yourself - Monthly | $9.99 | per month |
| Secure Yourself - 6 Months | $24.99 | per 6 months |
| Secure Yourself - Mac Yearly | $39.99 | per year |
| Secure Yourself - Yearly | $39.99 | per year |
| Claim Offer - Free | Free | one-time |
| Lifetime - Offer | Free | one-time |
| Secure Yourself - Mac Lifetime | $59.99 | one-time |
| Secure Yourself - Lifetime | $59.99 | one-time |

**What reviewers like**

- 🚀 Efficient and reliable
- 👍 User-friendly interface
- 🔒 Secure authentication

**What reviewers complain about**

- 🐛 Crashes and bugs
- 💰 Misleading pricing and subscriptions
- 🔒 Concerns about data privacy

**Reported bugs**

- Inability to add new accounts after update
- Immediate logout after login
- App crashing after updates

**Requested features**

- Compatibility with older devices
- Support for more authentication providers
- Horizontal iPad support


### GreenWash

[App page](https://appshunter.io/ios/app/greenwash/id6751441230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is GreenWash free?

GreenWash is free to download, with no in-app purchases.

### Do Authenticator App or GreenWash have ads?

Neither Authenticator App nor GreenWash shows ads.

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

Authenticator App ships an update fortnightly, and GreenWash every 4 days. Most recently, Authenticator App was updated on October 24, 2026 and GreenWash on October 16, 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.*