# RedRay Thermal vs Kashf Lens

The clearest difference is update cadence: Kashf Lens at weekly against RedRay Thermal's every 11 months. RedRay Thermal's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

RedRay Thermal ships an update every 11 months, Kashf Lens weekly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RedRay Thermal | Kashf Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Size | 73 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [深圳市承恩热视科技有限公司](https://appshunter.io/developer/1700843354) | [Azziz Mimouni](https://appshunter.io/developer/1877626721) |

## What reviewers say

### RedRay Thermal

[App page](https://appshunter.io/ios/app/redray-thermal/id6738339535)

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

**In-app purchases:** none


### Kashf Lens

[App page](https://appshunter.io/ios/app/kashf-lens-sensor-explorer/id6759244520)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RedRay Thermal free?

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

### Is Kashf Lens free?

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

### Do RedRay Thermal or Kashf Lens have ads?

Neither RedRay Thermal nor Kashf Lens shows ads.

### Which is updated more often, RedRay Thermal or Kashf Lens?

RedRay Thermal ships an update every 11 months, and Kashf Lens weekly. Most recently, RedRay Thermal was updated on October 13, 2026 and Kashf Lens on October 3, 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.*