# CL Controls vs TC

The clearest difference is price: CL Controls at Free against TC's $1.99. CL Controls also leads on update cadence (every 2 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

CL Controls ships an update every 2 weeks, TC every 3 months. The most recent releases landed on September 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CL Controls | TC |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tc-rtd-reference/id6504454500/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 27 MB | 12 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [常州诚磊阀门科技股份有限公司](https://appshunter.io/developer/1736668646) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### CL Controls

[App page](https://appshunter.io/ios/app/cl-controls/id6479630451)

**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 CL Controls free?

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

### Is TC free?

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

### Do CL Controls or TC have ads?

Neither CL Controls nor TC shows ads.

### Which is updated more often, CL Controls or TC?

CL Controls ships an update every 2 weeks, and TC every 3 months. Most recently, CL Controls was updated on September 20, 2026 and TC on October 2, 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.*