Comparison

ServerCat vs RegEx Tester

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

RegEx Tester

Features
Read full description

RegEx Tester is a focused, lightweight tool for designing and validating regular expressions on iPhone and iPad. Built natively with the latest version of SwiftUI, it delivers a smooth, modern interface that feels right at home on every device. Create a new pattern from scratch or start with the built-in examples, then see results update as you type. Instant match counts, highlighted previews and clear validity indicators help you refine your regex without switching apps. what you can do • store an unlimited collection of custom patterns • search, sort and edit patterns at any time • duplicate the demo library or delete it to stay clutter-free • test against multiline input with live highlighting • copy any pattern or match to the clipboard in a tap • export or import patterns as JSON for backup and sharing • work entirely offline; nothing leaves your device why it’s different • clean interface, no ads or tracking • built in the latest SwiftUI for performance and future-proofing • fast, on-device processing powered by Apple’s NSRegularExpression • debounced testing keeps the UI responsive, even with large text • full accessibility support and dynamic type • english and italian localisations included RegEx Tester is free to use with no hidden fees. Download it today and build better regular expressions, faster.

Screenshots

ServerCat4 screens
RegEx Tester2 screens

Verdict

The call

The clearest difference is price: ServerCat at Free against RegEx Tester's $0.99. ServerCat also leads on update cadence (every 5 days vs every 5 months) and chart position (#121 vs unranked). RegEx Tester's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.0). On ads and device support 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

ServerCat is free to download; RegEx Tester costs $0.99 up front. ServerCat sells 3 in-app purchases, starting at $5.99 per year. RegEx Tester asks for nothing beyond the download.

UpkeepUpdate frequency

ServerCat ships an update every 5 days, RegEx Tester every 5 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 6 level
ServerCat versus RegEx Tester: the parameters behind the verdict, then further details
ParameterServerCatRegEx Tester
PriceFree — better$0.99
Rating4.6 (996 ratings) — better—
Positive reviews77.3% of reviews—
Number of ratings996 — better—
Update frequencyEvery 5 days — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#121 — better—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size43 MB0 MB
Age rating4+4+
DeveloperEarly Moon, LLCMarco Tini

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)

RegEx Tester

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
None

RegEx Tester

No in-app purchases

Questions

Is ServerCat free?
ServerCat is free to download, with in-app purchases available.
Is RegEx Tester free?
RegEx Tester costs $0.99, with no in-app purchases.
Do ServerCat or RegEx Tester have ads?
Neither ServerCat nor RegEx Tester shows ads.
Which is updated more often, ServerCat or RegEx Tester?
ServerCat ships an update every 5 days, and RegEx Tester every 5 months. Most recently, ServerCat was updated on September 30, 2026 and RegEx Tester on September 21, 2026.

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