# Mercury vs OnSkrVPN

The clearest difference is review sentiment: OnSkrVPN at 33% against Mercury's 0%. OnSkrVPN also leads on update cadence (weekly vs every 3 months). Mercury's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Mercury ships an update every 3 months, OnSkrVPN weekly. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mercury | OnSkrVPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (7 ratings)](https://appshunter.io/ios/app/onskrvpn/id6479990168/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 20 MB | 95 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [R Hamilton & Co Ltd.](https://appshunter.io/developer/482574203) | [Suzhou Jingfei Ecotechnology Co., Ltd.](https://appshunter.io/developer/1791352564) |

## What reviewers say

### Mercury

[App page](https://appshunter.io/ios/app/mercury/id482574198)

Control your multi-room audio system remotely. Manage playback, zones, and settings for a seamless listening experience throughout your home.

**Highlights:** Remote control, Multi-room audio system management, Zone control, Playback management, Settings adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### OnSkrVPN

[App page](https://appshunter.io/ios/app/onskrvpn/id6479990168)

Secure your internet connection and protect your online privacy with this VPN service. Access geo-restricted content and bypass censorship with high-speed, anonymous browsing. Features advanced encryption and a strict no-logging policy.

**Highlights:** Advanced Encryption, Global Server Network, High-Speed Connections, Easy-to-Use Interface, No Logging Policy, 24/7 Customer Support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mercury free?

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

### Is OnSkrVPN free?

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

### Do Mercury or OnSkrVPN have ads?

Neither Mercury nor OnSkrVPN shows ads.

### Which is updated more often, Mercury or OnSkrVPN?

Mercury ships an update every 3 months, and OnSkrVPN weekly. Most recently, Mercury was updated on October 4, 2026 and OnSkrVPN on October 24, 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.*