# Thermal Light vs GaugeControl

The clearest difference is review sentiment: GaugeControl at 100% against Thermal Light's 50%. GaugeControl also leads on price (Free vs $1.99) and rating (5.0 vs 2.6). Thermal Light's advantage is update cadence (weekly vs every 6 weeks). On ratings volume, ads, in-app purchases and iOS requirement there is nothing between them.

GaugeControl is free to download; Thermal Light costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GaugeControl holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 50% of Thermal Light's written reviews are positive against 100% of GaugeControl's.

Thermal Light ships an update weekly, GaugeControl every 6 weeks. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Thermal Light | GaugeControl |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/thermal-light/id476998738/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gaugecontrol/id6450934826/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 2 MB | 25 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Clear Solutions](https://appshunter.io/developer/444062170) | [Kurt Wubbels](https://appshunter.io/developer/1695803424) |

## What reviewers say

### Thermal Light

[App page](https://appshunter.io/ios/app/thermal-light/id476998738)

This app measures the temperature of extremely hot objects by analyzing the light they emit. It's designed for users working with materials like iron, steel, and copper, offering a cost-effective alternative to specialized thermometers.

**Highlights:** Measures temperatures from 1000F to 2700F, Uses black body radiation analysis, Calibrated against certified IR thermometer, Cost-effective alternative to IR thermometers, Supports iron, steel, and ceramics

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

**In-app purchases:** none


### GaugeControl

[App page](https://appshunter.io/ios/app/gaugecontrol/id6450934826)

Customize the appearance and functionality of your device's gauges. Adjust warning thresholds and modify displayed parameters to suit your preferences. This utility offers a personalized user interface experience.

**Highlights:** Customize gauge appearance, Configure warning levels, Modify displayed parameters, Personalize user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Light free?

Thermal Light costs $1.99, with no in-app purchases.

### Is GaugeControl free?

GaugeControl is free to download, with no in-app purchases.

### Which has better reviews, Thermal Light or GaugeControl?

GaugeControl is rated higher. Thermal Light averages 2.6 out of 5 from 5 ratings, while GaugeControl averages 5.0 from 4 ratings.

### Do Thermal Light or GaugeControl have ads?

Neither Thermal Light nor GaugeControl shows ads.

### Which is updated more often, Thermal Light or GaugeControl?

Thermal Light ships an update weekly, and GaugeControl every 6 weeks. Most recently, Thermal Light was updated on September 8, 2026 and GaugeControl on September 7, 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.*