ServerCat vs Viper Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ServerCat
Monitor your Linux servers and Docker containers directly from your mobile device. View detailed resource usage, network traffic, and container stats. Offers an SSH terminal for remote management and automation capabilities.
- Server status monitoring
- CPU, GPU, Memory usage
- Network traffic and speed
- Docker container stats
- SSH Shell Terminal
- Container management
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ServerCat is a Linux monitor and Docker Management & SSH Terminal app. ServerCat makes it easy to monitor your server status on your mobile. It shows detail running status of your linux servers and docker containers. It only needs an SSH account without any other dependencies. It will not install any tools to your system. Free Features Monitor detail status of your server including: ・CPU usage per-core ・GPU usage and running process ・Memory usage ・Network traffic/speed and TCP stats ・Docker containers and stats ・Disk blocks and IO per second Premium Features ・ SSH Shell Terminal ・ Sync data across all your iOS devices ・ Create and Manage containers ・Background SSH Security: All SSH credentials are AES-encrypted and saved locally. The Cloud Sync uses iCloud to sync AES-encrypted data securely and nobody can inspect your data in the cloud. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://servercat.app/privacy
Viper Service
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Mobile app for advanced setup and diagnostics of Ferno Viper powered stretcher. A valid license is required to activate the advanced features of the app.
Screenshots
Verdict
The clearest difference is in-app purchases: Viper Service at none against ServerCat's 3. ServerCat's advantage is update cadence (weekly vs every 3 weeks) and chart position (#126 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ServerCat sells 3 in-app purchases, starting at $5.99 per year. Viper Service asks for nothing beyond the download.
ServerCat ships an update weekly, Viper Service every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | ServerCat | Viper Service |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1K ratings) — better | — |
| Positive reviews | 77.4% of reviews | — |
| Number of ratings | 1K — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #126 — better | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Early Moon, LLC | MEDIROL s.r.o. |
Bugs and requests
ServerCat
Reported bugs
4 issues- Connection issues and failed logins
- Server status not refreshing properly
- Crashes when switching between screens or using certain features
- Incompatibility with certain server configurations (e.g., Debian/Ubuntu only for some features)
Requested features
7 requests- Add support for SFTP
- Implement Celsius temperature display
- Add home screen widgets for server status
- Improve syncing of servers and SSH keys across devices
- Enhance Docker/container management features
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- Add support for Telnet and other protocols
- Improve terminal experience (e.g., Tmux bindings, font customization)
Viper Service
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ServerCat
- Premium Annual Subscription7 Days trial$5.991 Year
- Premium Upgrade Discount$5.99
- ServerCat Lifetime Premium$18.99
Viper Service
No in-app purchases
Questions
Is ServerCat free?
Is Viper Service free?
Do ServerCat or Viper Service have ads?
Which is updated more often, ServerCat or Viper Service?
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