# Thermal Cam vs EV Calc

The clearest difference is price: Thermal Cam at Free against EV Calc's $0.49. Thermal Cam also leads on iOS requirement (11.2 vs 17.0). EV Calc's advantage is update cadence (every 2 days vs every 8 months). On ads, in-app purchases and device support there is nothing between them.

Thermal Cam is free to download; EV Calc costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermal Cam ships an update every 8 months, EV Calc every 2 days. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Thermal Cam | EV Calc |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/thermal-cam/id1247237565/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 0 MB |
| Requires iOS | **11.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ONO TAKESHI](https://appshunter.io/developer/1247237564) | [Akihiro Sakai](https://appshunter.io/developer/6798064804) |

## What reviewers say

### Thermal Cam

[App page](https://appshunter.io/ios/app/thermal-cam/id1247237565)

This app displays infrared camera images on your iPhone or iPad by tethering. It allows for temperature measurement, contrast adjustment, and saving 2D/3D images. Requires separate infrared camera hardware.

**Highlights:** Tethered infrared camera image display, Temperature measurement by tapping, Adjustable contrast for images, 2D and 3D image saving, Multiple color settings for infrared video, Remote viewing up to 50 meters

**Features:** macOS Compatibility

**In-app purchases:** none


### EV Calc

[App page](https://appshunter.io/ios/app/ev-calc/id6814673994)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Cam free?

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

### Is EV Calc free?

EV Calc costs $0.49, with no in-app purchases.

### Do Thermal Cam or EV Calc have ads?

Neither Thermal Cam nor EV Calc shows ads.

### Which is updated more often, Thermal Cam or EV Calc?

Thermal Cam ships an update every 8 months, and EV Calc every 2 days. Most recently, Thermal Cam was updated on October 18, 2026 and EV Calc on October 26, 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.*