# Thermal Master vs WireStix Electrical Calculator

The clearest difference is review sentiment: WireStix Electrical Calculator at 100% against Thermal Master's 31%. WireStix Electrical Calculator also leads on rating (5.0 vs 2.7). Thermal Master's advantage is in-app purchases (none vs 1) and ratings volume (19 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WireStix Electrical Calculator sells 1 one-off in-app purchase. Thermal Master asks for nothing beyond the download.

WireStix Electrical Calculator holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Thermal Master has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 31% of Thermal Master's written reviews are positive against 100% of WireStix Electrical Calculator's.

Thermal Master ships an update every 3 weeks, WireStix Electrical Calculator every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Thermal Master | WireStix Electrical Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (19 ratings)](https://appshunter.io/ios/app/thermal-master/id6737389515/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wirestix-electrical-calculator/id6756226045/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 30.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 191 MB | 35 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) | [NanoHawk](https://appshunter.io/developer/1805616299) |

## What reviewers say

### Thermal Master

[App page](https://appshunter.io/ios/app/thermal-master/id6737389515)

This utility app connects to specific thermal camera models, offering enhanced thermal imaging capabilities. It features an upgraded algorithm for clearer heat source detection and supports digital zoom for precise target identification. The app provides lifetime free software upgrades.

**Highlights:** Connects to P, X, DV, and T2Max series thermal cameras, Upgraded Insight+ algorithm for noise suppression, Enhanced heat source visibility, Up to 15x digital zoom, Lifetime free software upgrades

**In-app purchases:** none


### WireStix Electrical Calculator

[App page](https://appshunter.io/ios/app/wirestix-electrical-calculator/id6756226045)

This app simplifies electrical calculations for professionals and DIYers. It provides quick lookups for current, ampacity, and conduit-fill, applying de-rating based on NEC tables. It also serves as a training aid and integrates with a physical wire gauge tool.

**Highlights:** Fast electrical sizing calculations, Lookup current and ampacity, Conduit-fill calculations, Apply de-rating factors, Based on NEC tables, Integrates with physical gauge set

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WS Pro Lifetime Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Thermal Master free?

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

### Is WireStix Electrical Calculator free?

WireStix Electrical Calculator is free to download, with in-app purchases available.

### Which has better reviews, Thermal Master or WireStix Electrical Calculator?

WireStix Electrical Calculator is rated higher. Thermal Master averages 2.7 out of 5 from 19 ratings, while WireStix Electrical Calculator averages 5.0 from 1 ratings.

### Do Thermal Master or WireStix Electrical Calculator have ads?

Neither Thermal Master nor WireStix Electrical Calculator shows ads.

### Which is updated more often, Thermal Master or WireStix Electrical Calculator?

Thermal Master ships an update every 3 weeks, and WireStix Electrical Calculator every 2 weeks. Most recently, Thermal Master was updated on November 4, 2026 and WireStix Electrical Calculator on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*