# Forney vs TC

The clearest difference is price: Forney at Free against TC's $1.99. TC's advantage is update cadence (every 3 months vs every 8 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Forney is free to download; TC costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Forney against 5.0 for TC. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Forney ships an update every 8 months, TC every 3 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Forney | TC |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/forney/id1350241170/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tc-rtd-reference/id6504454500/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 14 MB | 12 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Forney Corporation](https://appshunter.io/developer/1350241169) | [立娜 王](https://appshunter.io/developer/1761096632) |

## 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


### TC

[App page](https://appshunter.io/ios/app/tc-rtd-reference/id6504454500)

This utility app provides quick and accurate conversions between resistance, potential, and temperature for various thermocouples and RTDs. It supports offline use, temperature recording with export, and offers an intuitive interface for field technicians and engineers.

**Highlights:** Thermocouple and RTD conversion, Supports multiple sensor types, Offline functionality, Temperature recording and charting, Export data to Excel, Intuitive user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Forney free?

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

### Is TC free?

TC costs $1.99, with no in-app purchases.

### Which has better reviews, Forney or TC?

Forney and TC are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Forney or TC have ads?

Neither Forney nor TC shows ads.

### Which is updated more often, Forney or TC?

Forney ships an update every 8 months, and TC every 3 months. Most recently, Forney was updated on September 12, 2026 and TC on September 15, 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.*