# MainframeMonitor vs BatteryCtrl for SwitchBot Plug

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MainframeMonitor | BatteryCtrl for SwitchBot Plug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mainframemonitor/id6809454680/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 24 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Langhoff](https://appshunter.io/developer/1706183785) | [SHADOW'S WORKS LLC.](https://appshunter.io/developer/1036020400) |

## What reviewers say

### MainframeMonitor

[App page](https://appshunter.io/ios/app/mainframemonitor/id6809454680)

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:** macOS Compatibility

**In-app purchases:** none


### BatteryCtrl for SwitchBot Plug

[App page](https://appshunter.io/ios/app/batteryctrl-for-switchbot-plug/id6811319509)

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*