# TopInfrared vs WireStix Electrical Calculator

The clearest difference is review sentiment: WireStix Electrical Calculator at 100% against TopInfrared's 40%. WireStix Electrical Calculator also leads on rating (5.0 vs 3.5). TopInfrared's advantage is ratings volume (52 vs 1) and iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. TopInfrared sells 1 one-off in-app purchase and WireStix Electrical Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

WireStix Electrical Calculator holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: TopInfrared has 52 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of TopInfrared's written reviews are positive against 100% of WireStix Electrical Calculator's.

TopInfrared ships an update every 3 weeks, WireStix Electrical Calculator every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TopInfrared | WireStix Electrical Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (52 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wirestix-electrical-calculator/id6756226045/reviews)** |
| Number of ratings | **52** | 1 |
| Positive reviews | 39.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 518 MB | 35 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [NanoHawk](https://appshunter.io/developer/1805616299) |

## What reviewers say

### TopInfrared

[App page](https://appshunter.io/ios/app/topinfrared/id6452017744)

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

**Highlights:** High-resolution thermal imaging (256x192), Precise temperature detection, Insulation inspection, Circuit board examination, High heat sensitivity (40mk), Low power consumption

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Features | $19.99 | one-time |


### 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WS Pro Lifetime Unlock | $0.99 | one-time |
| WireStix Pro - Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is TopInfrared free?

TopInfrared is free to download, with in-app purchases available.

### Is WireStix Electrical Calculator free?

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

### Which has better reviews, TopInfrared or WireStix Electrical Calculator?

WireStix Electrical Calculator is rated higher. TopInfrared averages 3.5 out of 5 from 52 ratings, while WireStix Electrical Calculator averages 5.0 from 1 ratings.

### Do TopInfrared or WireStix Electrical Calculator have ads?

Neither TopInfrared nor WireStix Electrical Calculator shows ads.

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

TopInfrared ships an update every 3 weeks, and WireStix Electrical Calculator every 2 weeks. Most recently, TopInfrared was updated on October 24, 2026 and WireStix Electrical Calculator on October 25, 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.*