Comparison

ServerCat vs Rein

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Server status monitoring
  • CPU, GPU, Memory usage
  • Network traffic and speed
  • Docker container stats
  • SSH Shell Terminal
  • Container management
Features
Read full description

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

About

Rein

Read full description

Rein — Remote control for your coding agents Rein puts your AI coding agents in your pocket. Kick off work, watch it run, steer it when it drifts, and ship from your phone, using the agents and machines you already trust. YOUR AGENTS, YOUR INFRASTRUCTURE Rein doesn’t lock you into a house model or a rented sandbox. Point it at the agents you already run, like Claude Code or OpenCode, on your own hardware. Your keys, your environment, your repos. START WORK THE SECOND IT HITS YOU Ideas don’t wait for you to get back to your desk. Spin up an agent to chase a bug, draft a feature, or dig through an unfamiliar part of the codebase the moment you think of it. Long-running jobs keep going whether the app is open or not. Check back when it matters. STAY IN THE LOOP See live output as it happens. When an agent stalls, guesses wrong, or asks a question, you’re there to answer. No waiting on a finished run to find out it went sideways an hour ago. Redirect mid-task, approve the risky step, or kill it and start over. TALK INSTEAD OF TYPE Describe the fix out loud while you’re walking, away from your keyboard, or half-awake. Rein turns loose thinking into real instructions your agent can act on, so nothing gets lost between the idea and the commit. REVIEW AND SHIP WITHOUT A LAPTOP Read diffs built for a small screen, move through files and commits, and merge when it’s ready. From quick fixes to real features, close the loop from the same place you opened it. • Connect to the agents you already run • Keep your keys, environment, and repos yours • Launch and monitor work from your phone • Step in live: redirect, approve, or stop • Voice in, code out • Review diffs and merge on mobile Take the reins from anywhere. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rein.build © 2026 Workman Trading Company, LLC

Screenshots

ServerCat4 screens
Rein4 screens

Verdict

The call

The clearest difference is update cadence: Rein at every 2 days against ServerCat's every 5 days. ServerCat's advantage is chart position (#61 vs unranked) and device support (3 vs 1). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ServerCat sells 3 in-app purchases, starting at $5.99 per year and Rein sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ServerCat ships an update every 5 days, Rein every 2 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 8 level
ServerCat versus Rein: the parameters behind the verdict, then further details
ParameterServerCatRein
PriceFreeFree
Rating4.6 (1K ratings) — better—
Positive reviews77.3% of reviews—
Number of ratings1K — better—
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#61 — better—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size43 MB87 MB
Age rating4+12+
DeveloperEarly Moon, LLCWorkman Trading Company, LLC

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
Show 2 more
  • Add support for Telnet and other protocols
  • Improve terminal experience (e.g., Tmux bindings, font customization)

Rein

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

ServerCat

Subscriptions1
  • Premium Annual Subscription7 Days trial$5.991 Year
One-time2
  • Premium Upgrade Discount$5.99
  • ServerCat Lifetime Premium$18.99
2 purchases

Rein

Subscriptions2
  • Rein Pro: Monthly$9.991 Month
  • Rein Pro: Annual$79.991 Year

Questions

Is ServerCat free?
ServerCat is free to download, with in-app purchases available.
Is Rein free?
Rein is free to download, with in-app purchases available.
Do ServerCat or Rein have ads?
Neither ServerCat nor Rein shows ads.
Which is updated more often, ServerCat or Rein?
ServerCat ships an update every 5 days, and Rein every 2 days. Most recently, ServerCat was updated on October 12, 2026 and Rein on October 4, 2026.

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