# Thermal Kit vs Smart Imager

The clearest difference is update cadence: Smart Imager at every 3 weeks against Thermal Kit's every 4 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.

Thermal Kit ships an update every 4 months, Smart Imager every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Thermal Kit | Smart Imager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 53 MB | 60 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [深圳市承恩热视科技有限公司](https://appshunter.io/developer/1700843354) | [zhuhai jida huapu instrument co.,Ltd](https://appshunter.io/developer/1620346225) |

## What reviewers say

### Thermal Kit

[App page](https://appshunter.io/ios/app/thermal-kit/id6504614889)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Imager

[App page](https://appshunter.io/ios/app/smart-imager/id6755418060)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Kit free?

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

### Is Smart Imager free?

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

### Do Thermal Kit or Smart Imager have ads?

Neither Thermal Kit nor Smart Imager shows ads.

### Which is updated more often, Thermal Kit or Smart Imager?

Thermal Kit ships an update every 4 months, and Smart Imager every 3 weeks. Most recently, Thermal Kit was updated on October 25, 2026 and Smart Imager on October 25, 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.*