Comparison

MainframeMonitor vs BatteryCtrl for SwitchBot Plug

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

Head to head
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.

About

BatteryCtrl for SwitchBot Plug

Read full description

Battery Controller for SwitchBot Plug is a battery longevity utility designed to communicate directly with your SwitchBot Plug Mini over Bluetooth Low Energy (BLE) to prevent battery degradation and swelling caused by prolonged overcharging. Through native iOS Shortcuts & App Intents integration, you can automate full background power cutoff and resumption based on your device's exact battery level. ---------------------------- ◆ Key Features ---------------------------- 1. Native iOS Shortcuts & Automation Integration Powered by App Intents, the app provides instant actions: "Turn On Plug" and "Turn Off Plug". Simply set up an iOS Automation (e.g., Turn OFF at 80%, Turn ON at 20%) to keep your battery healthy automatically—even when your iPhone is locked and sleeping. 2. Direct BLE Control (No Hub, No Login) No SwitchBot account or cloud subscription needed. Your iOS device pairs directly with the SwitchBot Plug Mini via Bluetooth, ensuring private, responsive, and reliable operation. 3. Quick Controls & Local History Logs Test your smart plug right from the dashboard. Review timestamped execution logs within the app anytime. 4. Privacy-First Zero analytics, zero ads, zero data collection. All settings and logs stay strictly on your device. ---------------------------- ◆ Supported Devices ---------------------------- - SwitchBot Plug Mini (US & JP models) * A SwitchBot Hub is NOT required. ---------------------------- ◆ Disclaimer ---------------------------- This app is an independent third-party utility developed by SHADOW'S WORKS LLC. and is not affiliated with or endorsed by SwitchBot (Woan Technology).

Screenshots

MainframeMonitor4 screens
BatteryCtrl for SwitchBot Plug1 screens

Verdict

The call

MainframeMonitor and BatteryCtrl for SwitchBot Plug are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
MainframeMonitor versus BatteryCtrl for SwitchBot Plug: the parameters behind the verdict, then further details
ParameterMainframeMonitorBatteryCtrl for SwitchBot Plug
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size24 MB2 MB
Age rating4+4+
DeveloperRalf LanghoffSHADOW'S WORKS LLC.

In-app purchases

None

MainframeMonitor

No in-app purchases

None

BatteryCtrl for SwitchBot Plug

No in-app purchases

Questions

Is MainframeMonitor free?
MainframeMonitor is free to download, with no in-app purchases.
Is BatteryCtrl for SwitchBot Plug free?
BatteryCtrl for SwitchBot Plug is free to download, with no in-app purchases.
Do MainframeMonitor or BatteryCtrl for SwitchBot Plug have ads?
Neither MainframeMonitor nor BatteryCtrl for SwitchBot Plug shows ads.

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