# VIPER vs MelonPay Sign

The clearest difference is update cadence: MelonPay Sign at every 6 days against VIPER's every 6 months. VIPER's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VIPER ships an update every 6 months, MelonPay Sign every 6 days. The most recent releases landed on September 7, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | VIPER | MelonPay Sign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 34 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Norbain SD Ltd.](https://appshunter.io/developer/428893356) | [Melon Finance Limited](https://appshunter.io/developer/1666641005) |

## What reviewers say

### VIPER

[App page](https://appshunter.io/ios/app/viper-remote/id1258387156)

Connect to Viper recorders remotely using your iOS device. View live and recorded footage, control PTZ cameras, and receive event push notifications for enhanced security monitoring.

**Highlights:** Remote recorder connection, PTZ camera control, Live image viewing, Recorded image viewing, Event push notifications, P2P connection

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

**In-app purchases:** none


### MelonPay Sign

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

**In-app purchases:** none


## Frequently asked questions

### Is VIPER free?

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

### Is MelonPay Sign free?

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

### Do VIPER or MelonPay Sign have ads?

Neither VIPER nor MelonPay Sign shows ads.

### Which is updated more often, VIPER or MelonPay Sign?

VIPER ships an update every 6 months, and MelonPay Sign every 6 days. Most recently, VIPER was updated on September 7, 2026 and MelonPay Sign on July 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.*