# Thermal Light vs LotusScreen

The clearest difference is price: LotusScreen at Free against Thermal Light's $1.99. LotusScreen also leads on iOS requirement (12.0 vs 16.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Thermal Light | LotusScreen |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/thermal-light/id476998738/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Paid | — |
| Size | 2 MB | 31 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Clear Solutions](https://appshunter.io/developer/444062170) | [ETK](https://appshunter.io/developer/1031621775) |

## 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


### LotusScreen

[App page](https://appshunter.io/ios/app/lotusscreen/id1576144070)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Light free?

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

### Is LotusScreen free?

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

### Do Thermal Light or LotusScreen have ads?

Neither Thermal Light nor LotusScreen shows ads.

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

Thermal Light ships an update weekly, and LotusScreen weekly. Most recently, Thermal Light was updated on September 8, 2026 and LotusScreen on September 17, 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.*