# Glartek vs TC

The clearest difference is price: Glartek at Free against TC's $1.99. Glartek also leads on update cadence (fortnightly vs every 3 months). TC's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

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

Glartek ships an update fortnightly, TC every 3 months. Both last shipped on September 15, 2026.

## The numbers

| Metric | Glartek | 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 | **Fortnightly** | Every 3 months |
| Monetization | — | Paid |
| Size | 159 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glartek](https://appshunter.io/developer/1528705541) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### Glartek

[App page](https://appshunter.io/ios/app/glartek/id1528705539)

**Features:** Vision Pro support

**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 Glartek free?

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

### Is TC free?

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

### Do Glartek or TC have ads?

Neither Glartek nor TC shows ads.

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

Glartek ships an update fortnightly, and TC every 3 months. Most recently, Glartek was updated on September 15, 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.*