# TC vs Mila's Pressure Converter

The clearest difference is price: Mila's Pressure Converter at Free against TC's $1.99. Mila's Pressure Converter also leads on update cadence (monthly vs every 3 months). TC's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Mila's Pressure Converter is free to download; TC costs $1.99 up front. Mila's Pressure Converter sells 3 in-app purchases, starting at $0.99 per month. TC asks for nothing beyond the download.

TC ships an update every 3 months, Mila's Pressure Converter monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TC | Mila's Pressure Converter |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | — |
| Size | 12 MB | 11 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [立娜 王](https://appshunter.io/developer/1761096632) | [Scott DeSapio](https://appshunter.io/developer/403110618) |

## What reviewers say

### 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


### Mila's Pressure Converter

[App page](https://appshunter.io/ios/app/milas-pressure-converter/id6760728884)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pressure Converter PRO Monthly | $0.99 | per month |
| Pressure Converter PRO Yearly | $4.99 | per year |
| Pressure Converter PRO Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is TC free?

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

### Is Mila's Pressure Converter free?

Mila's Pressure Converter is free to download, with in-app purchases available.

### Do TC or Mila's Pressure Converter have ads?

Mila's Pressure Converter shows ads; TC does not.

### Which is updated more often, TC or Mila's Pressure Converter?

TC ships an update every 3 months, and Mila's Pressure Converter monthly. Most recently, TC was updated on November 4, 2026 and Mila's Pressure Converter on October 31, 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.*