# MelonPay Sign vs Two Factor Authenticator App

The clearest difference is in-app purchases: MelonPay Sign at none against Two Factor Authenticator App's 19. MelonPay Sign also leads on ads (none vs shown) and update cadence (every 6 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Two Factor Authenticator App sells 17 in-app purchases, starting at $0.99 per 7 days. MelonPay Sign asks for nothing beyond the download.

MelonPay Sign ships an update every 6 days, Two Factor Authenticator App every 10 months. The most recent releases landed on July 16, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | MelonPay Sign | Two Factor Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (58 ratings)](https://appshunter.io/ios/app/two-factor-authenticator-app/id6661033815/reviews)** |
| Number of ratings | — | **58** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 128 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Melon Finance Limited](https://appshunter.io/developer/1666641005) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### MelonPay Sign

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

**In-app purchases:** none


### Two Factor Authenticator App

[App page](https://appshunter.io/ios/app/two-factor-authenticator-app/id6661033815)

Generate and store secure two-factor authentication codes for enhanced online account protection. Easily set up tokens via QR code scanning and access codes instantly with widgets and FaceID. Enjoy offline code generation and private browsing.

**Highlights:** Secure 2FA code generation, QR code setup, Seamless device sync, Home Screen widget, FaceID integration, Offline code generation, Private browser

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $0.99 | per 7 days |
| Unlimited Access | $2.99 | per 7 days |
| Unlimited Access | $3.99 | per 7 days |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $5.99 | per 7 days |
| Unlimited Access | $6.99 | per 7 days |
| Full Authenticator Access | $6.99 | per 7 days |
| Unlimited Access | $7.99 | per 7 days |
| Unlimited Access | $8.99 | per 7 days |
| Unlimited Access | $9.99 | per year |
| Unlimited Access | $19.99 | per year |
| Monthly Auth Premium | $19.99 | per month |
| Unlimited Access | $29.99 | per month |
| Unlimited Access | $39.99 | per year |
| Unlimited Access | $49.99 | per year |
| Annual Premium Access | $49.99 | per year |
| Premium lifetime access | $49.99 | one-time |


## Frequently asked questions

### Is MelonPay Sign free?

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

### Is Two Factor Authenticator App free?

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

### Do MelonPay Sign or Two Factor Authenticator App have ads?

Two Factor Authenticator App shows ads; MelonPay Sign does not.

### Which is updated more often, MelonPay Sign or Two Factor Authenticator App?

MelonPay Sign ships an update every 6 days, and Two Factor Authenticator App every 10 months. Most recently, MelonPay Sign was updated on July 16, 2026 and Two Factor Authenticator App on September 4, 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.*