# Forney vs OPTICHECK Temperature Mobile

The clearest difference is iOS requirement: OPTICHECK Temperature Mobile at 9.0 against Forney's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Forney ships an update every 8 months, OPTICHECK Temperature Mobile every 4 months. The most recent releases landed on September 30, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Forney | OPTICHECK Temperature Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/forney/id1350241170/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 14 MB | 59 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Forney Corporation](https://appshunter.io/developer/1350241169) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## What reviewers say

### Forney

[App page](https://appshunter.io/ios/app/forney/id1350241170)

This utility app provides real-time monitoring of combustion processes via a connected hardware detector. It clearly indicates flame status and offers detailed insights into flame intensity across IR and UV spectrums. The app is designed for safety monitoring and fault diagnosis.

**Highlights:** Flame on/off status indication, Flame intensity details (IR/UV), Flame discrimination settings, System fault display, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### OPTICHECK Temperature Mobile

[App page](https://appshunter.io/ios/app/opticheck-temperature-mobile/id1485401520)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Forney free?

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

### Is OPTICHECK Temperature Mobile free?

OPTICHECK Temperature Mobile is free to download, with no in-app purchases.

### Do Forney or OPTICHECK Temperature Mobile have ads?

Neither Forney nor OPTICHECK Temperature Mobile shows ads.

### Which is updated more often, Forney or OPTICHECK Temperature Mobile?

Forney ships an update every 8 months, and OPTICHECK Temperature Mobile every 4 months. Most recently, Forney was updated on September 30, 2026 and OPTICHECK Temperature Mobile on October 19, 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.*