# ThermalSight vs Thermal Imager

The clearest difference is update cadence: ThermalSight at every 2 months against Thermal Imager's every 30 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ThermalSight ships an update every 2 months, Thermal Imager every 30 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | ThermalSight | Thermal Imager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 30 months |
| Size | 36 MB | 53 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Everbest Machinery Industry Co.,Ltd](https://appshunter.io/developer/564470332) | [Smart iMeters](https://appshunter.io/developer/6775329697) |

## What reviewers say

### ThermalSight

[App page](https://appshunter.io/ios/app/thermalsight/id6473887919)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermal Imager

[App page](https://appshunter.io/ios/app/thermal-imager/id6502282920)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThermalSight free?

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

### Is Thermal Imager free?

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

### Do ThermalSight or Thermal Imager have ads?

Neither ThermalSight nor Thermal Imager shows ads.

### Which is updated more often, ThermalSight or Thermal Imager?

ThermalSight ships an update every 2 months, and Thermal Imager every 30 months. Most recently, ThermalSight was updated on November 4, 2026 and Thermal Imager on November 4, 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.*