# M2go Sensor vs TC

The clearest difference is price: M2go Sensor at Free against TC's $1.99. TC's advantage is update cadence (every 3 months vs every 55 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

M2go Sensor is free to download; TC costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

M2go Sensor ships an update every 55 months, TC every 3 months. The most recent releases landed on February 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | M2go Sensor | 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 55 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 2 MB | 12 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [taskit](https://appshunter.io/developer/830597040) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### M2go Sensor

[App page](https://appshunter.io/ios/app/m2go-sensor/id1166199314)

**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 M2go Sensor free?

M2go Sensor is free to download, with no in-app purchases.

### Is TC free?

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

### Do M2go Sensor or TC have ads?

Neither M2go Sensor nor TC shows ads.

### Which is updated more often, M2go Sensor or TC?

M2go Sensor ships an update every 55 months, and TC every 3 months. Most recently, M2go Sensor was updated on February 9, 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.*