Comparison

AboutMyDevice vs MainframeMonitor

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

Head to head
About

AboutMyDevice

Get detailed hardware information about your iPhone and iPad, including SOC, network, system, battery, and display specs. Benchmark your device's performance and compare scores with other users. The app prioritizes speed and privacy, with all data processed on-device.

Highlights
  • Detailed hardware specifications
  • SOC performance benchmarking
  • Network speed test
  • System and battery status
  • Display details
  • Customizable section order
  • On-device data processing
Features
Read full description

AboutMyDevice shows you exactly what's inside your iPhone and iPad — clearly, instantly, and privately. Plus, benchmark your iPhone and iPad System on a Chip (SoC) single-core and multi-core scores for cross-platform comparison with other AboutMyDevice users. Tap into five sections to see the specs that actually matter, pulled live from your device: • SOC — chip architecture, processor cores, active CPUs, clock speed, cache, and supported instruction sets • Network — interfaces, IPv4 and IPv6 addresses, hostname, plus a built-in speed test for latency, download, and upload • System — iOS version, kernel details, locale, time zone, memory, and storage usage • Battery — charge level, charging state, and Low Power Mode status • Display — logical and physical resolution, pixel ratio, orientation, and light/dark appearance DESIGNED TO BE FAST • Swipe left or right to move between sections, or tap to jump straight to one • Reorder the sections to put what you care about first — your layout is remembered next launch • Copy any section to the clipboard with a single tap • Refresh anytime to re-read live values • Built-in light and dark mode PRIVATE BY DESIGN Information does not leave this device. There are no accounts, no tracking, and no data collection. Everything is read on-device and stays there. Whether you're checking specs before a sale, troubleshooting, comparing devices, or just curious about your hardware, AboutMyDevice gives you the full picture in seconds.

About

MainframeMonitor

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.

Highlights
  • 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)
Features
Read full description

Turn your iPhone into a mainframe from the golden age of computing. MAINFRAME MONITOR shows your device's live stats wrapped in a nostalgic CRT console – complete with phosphor glow, scanlines, a boot sequence and satisfying key clicks. Choose between classic GREEN or warm AMBER, each with its own matching app icon. ■ LIVE SYSTEM MONITOR • Battery, CPU, memory and free storage • Uptime, network status and device info • All in real time, right on the glowing screen ■ HOME SCREEN WIDGET • Keep your key system stats always in view • In the same retro CRT style ■ REAL MAINFRAME FEELING • Authentic boot sequence on launch • Scanlines, glow and CRT effects • Terminal-style PF function-key controls ■ HIDDEN CLASSIC GAMES • Snake, Hamurabi, Void Patrol and Bagels • Text-based retro games, just like on the old terminals ■ FAIR & PRIVATE • Completely free • No ads, no trackers, no accounts • All data stays on your device Whether as a stylish system monitor, a home screen widget or a hands-on piece of computing history – MAINFRAME MONITOR brings back the charm of the old data centers. Made with attention to detail. Be sure to check out my other apps right inside the app.

Screenshots

AboutMyDevice4 screens
MainframeMonitor4 screens

Verdict

The call

The clearest difference is rating: MainframeMonitor at 5.0 against AboutMyDevice's 3.5. AboutMyDevice's advantage is update cadence (every 3 days vs every 10 days) and device support (4 vs 2). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

MainframeMonitor holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

AboutMyDevice ships an update every 3 days, MainframeMonitor every 10 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 5 level
AboutMyDevice versus MainframeMonitor: the parameters behind the verdict, then further details
ParameterAboutMyDeviceMainframeMonitor
PriceFreeFree
Rating3.5 (2 ratings)5.0 (1 ratings) — better
Number of ratings2 — better1
Update frequencyEvery 3 days — betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size34 MB24 MB
Age rating4+4+
DeveloperRitwik TakkarRalf Langhoff

Customer experience

AboutMyDevice

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

MainframeMonitor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

AboutMyDevice

No in-app purchases

None

MainframeMonitor

No in-app purchases

Questions

Is AboutMyDevice free?
AboutMyDevice is free to download, with no in-app purchases.
Is MainframeMonitor free?
MainframeMonitor is free to download, with no in-app purchases.
Which has better reviews, AboutMyDevice or MainframeMonitor?
MainframeMonitor is rated higher. AboutMyDevice averages 3.5 out of 5 from 2 ratings, while MainframeMonitor averages 5.0 from 1 ratings.
Do AboutMyDevice or MainframeMonitor have ads?
Neither AboutMyDevice nor MainframeMonitor shows ads.
Which is updated more often, AboutMyDevice or MainframeMonitor?
AboutMyDevice ships an update every 3 days, and MainframeMonitor every 10 days. Most recently, AboutMyDevice was updated on October 12, 2026 and MainframeMonitor on October 14, 2026.

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