# Temp Logger App vs MainframeMonitor

The clearest difference is rating: MainframeMonitor at 5.0 against Temp Logger App's 1.0. MainframeMonitor also leads on update cadence (every 10 days vs every 2 months). Temp Logger App's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

MainframeMonitor holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Temp Logger App ships an update every 2 months, MainframeMonitor every 10 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Temp Logger App | MainframeMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/temp-logger-app/id1173712794/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mainframemonitor/id6809454680/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 39 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TZONE DIGITAL TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1129067230) | [Ralf Langhoff](https://appshunter.io/developer/1706183785) |

## What reviewers say

### Temp Logger App

[App page](https://appshunter.io/ios/app/temp-logger-app/id1173712794)

Record and log temperature and humidity data. This utility tool helps you track environmental conditions over time. It provides a simple interface for data recording and management.

**Highlights:** Temperature recording, Humidity logging, Environmental data tracking, Data management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Temp Logger App free?

Temp Logger App 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, Temp Logger App or MainframeMonitor?

MainframeMonitor is rated higher. Temp Logger App averages 1.0 out of 5 from 1 ratings, while MainframeMonitor averages 5.0 from 1 ratings.

### Do Temp Logger App or MainframeMonitor have ads?

Neither Temp Logger App nor MainframeMonitor shows ads.

### Which is updated more often, Temp Logger App or MainframeMonitor?

Temp Logger App ships an update every 2 months, and MainframeMonitor every 10 days. Most recently, Temp Logger App was updated on October 10, 2026 and MainframeMonitor on October 14, 2026.

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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.*