MainframeMonitor

MainframeMonitor

Retro CRT System Monitor

1 ratings
Free

Rating summary
1
0
0
0
0

Details

Released
September 10, 2026
Updated
October 26, 2026

Features

MainframeMonitor screenshot #1 for iPhone
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MainframeMonitor screenshot #9 for iPhone
iphone
iphoneDuo
ipad
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About

Transform your iPhone into a vintage mainframe with a nostalgic CRT display. Monitor live system stats like battery, CPU, and memory, all within an authentic retro console experience. Includes hidden classic text-based games.

✓Live system monitoring (battery, CPU, memory, storage)
✓Home screen widgets
✓Authentic CRT effects (glow, scanlines)
✓Retro boot sequence
✓Hidden classic text-based games
✓Customizable color themes (Green, Amber)
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What's New in MainframeMonitor

3.0

October 26, 2026

PARALLEL SYSPLEX • Couple iPhone, iPad and Mac (to be released soon) on your local network (Bonjour) • Sysplex panel with CPU, memory and battery of all devices • New commands: D XCF, D XCF,S,SYS1, RO SYS1 and RO *ALL • XCF messages show when a system joins or is lost • Orderly sign-off (quiesce) when a device is locked NETWORK PRIVACY • IEA910A notice before the first data transmission • New overview PF7 > N Network Services with Yes/No/Ask • EXT lamp indicates internet traffic • Trace Route also works without location lookup TRACE ROUTE (PF9) • Every hop with IP, location and round-trip time • ASCII world map of the route • Report printout on virtual continuous paper, ready to share NEW MEASUREMENTS • Latency panel: ping, jitter, packet loss, NTP clock drift • Network: subnet mask/CIDR, DNS servers, 5G/LTE • Storage: block size and sectors • Memory: virtual memory, page-in/page-out • Biometric status of Face ID and Touch ID NEW DISPLAYS • IBM 3290 gas plasma in neon orange • Tektronix 4014 storage tube • Unique switch effect for each display and matching app icons AND ALSO • New interactive IPL sequence • Historic data center intro • COBLIB as an ISPF member list with data sheets • "About Mainframe" with intro film • Panels grouped by topic • Expanded operator guide • New screensaver styles • And much more...

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FAQ

What is MainframeMonitor?

MainframeMonitor is a free iOS app that transforms your device into a vintage mainframe computer. It displays live system statistics on a nostalgic CRT screen with authentic retro effects and includes hidden classic text-based games.

Does MainframeMonitor have ads?

No, MainframeMonitor is completely free with no ads, no trackers, and no accounts required. All your data stays on your device.

What system stats can MainframeMonitor show?

MainframeMonitor displays live battery level, CPU usage, memory usage, free storage, device uptime, network status, and other device information.

Can I use MainframeMonitor on my Home Screen?

Yes, MainframeMonitor offers a home screen widget that allows you to keep your key system stats visible in the same retro CRT style.

What classic games are included in MainframeMonitor?

MainframeMonitor includes hidden text-based retro games such as Snake, Hamurabi, Void Patrol, and Bagels, reminiscent of old terminal games.

What devices does MainframeMonitor support?

MainframeMonitor is supported on iPhone and iPad devices.

How often is MainframeMonitor updated?

The latest version, 1.5, was released on September 30, 2026, indicating regular updates from the developer.

What is the age rating for MainframeMonitor?

MainframeMonitor has an age rating of 4+, making it suitable for a wide range of users.