# MelonPay Sign vs Authenticator App 2FA, MFA

The clearest difference is in-app purchases: MelonPay Sign at none against Authenticator App 2FA, MFA's 4. Authenticator App 2FA, MFA's advantage is update cadence (daily vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App 2FA, MFA sells 4 in-app purchases, starting at $6.99 per 7 days. MelonPay Sign asks for nothing beyond the download.

MelonPay Sign ships an update every 6 days, Authenticator App 2FA, MFA daily. The most recent releases landed on July 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | MelonPay Sign | Authenticator App 2FA, MFA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6744331881/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 15 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Melon Finance Limited](https://appshunter.io/developer/1666641005) | [Jonas Endthaller](https://appshunter.io/developer/1771385320) |

## What reviewers say

### MelonPay Sign

[App page](https://appshunter.io/ios/app/melonpay-sign/id6479333082)

**In-app purchases:** none


### Authenticator App 2FA, MFA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6744331881)

Enhance your online security with this two-factor authentication app. It securely stores login credentials and generates time-based one-time passwords for account protection. Easily add accounts via QR code scanning or manual entry.

**Highlights:** Secure account storage, Generate 2FA codes, QR code scanning, Manual code entry, Time-based one-time passwords (TOTP)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly king of authenticator! | $6.99 | per 7 days |
| Monthly king of authenticator! | $19.99 | per month |
| Yearly king of authenticator! | $49.99 | per year |
| Lifetime king of authenticator | $49.99 | one-time |


## Frequently asked questions

### Is MelonPay Sign free?

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

### Is Authenticator App 2FA, MFA free?

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

### Do MelonPay Sign or Authenticator App 2FA, MFA have ads?

Neither MelonPay Sign nor Authenticator App 2FA, MFA shows ads.

### Which is updated more often, MelonPay Sign or Authenticator App 2FA, MFA?

MelonPay Sign ships an update every 6 days, and Authenticator App 2FA, MFA daily. Most recently, MelonPay Sign was updated on July 16, 2026 and Authenticator App 2FA, MFA on September 11, 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.*