# Power Conversion Calc vs Electrical Toolkit by HCP

The clearest difference is update cadence: Electrical Toolkit by HCP at every 8 days against Power Conversion Calc's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Power Conversion Calc ships an update every 3 months, Electrical Toolkit by HCP every 8 days. The most recent releases landed on September 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Power Conversion Calc | Electrical Toolkit by HCP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (68 ratings)](https://appshunter.io/ios/app/electrical-toolkit-by-hcp/id6743806467/reviews)** |
| Number of ratings | — | **68** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 6 MB | 42 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Codefied Inc.](https://appshunter.io/developer/660163441) |

## What reviewers say

### Power Conversion Calc

[App page](https://appshunter.io/ios/app/power-conversion-calc/id6483929959)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electrical Toolkit by HCP

[App page](https://appshunter.io/ios/app/electrical-toolkit-by-hcp/id6743806467)

This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

**Highlights:** Conduit bending calculations, NEC-compliant conduit fill, Residential load calculations, Power and Ohm's Law calculators, Wire sizing and voltage drop, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Power Conversion Calc free?

Power Conversion Calc is free to download, with no in-app purchases.

### Is Electrical Toolkit by HCP free?

Electrical Toolkit by HCP is free to download, with no in-app purchases.

### Do Power Conversion Calc or Electrical Toolkit by HCP have ads?

Neither Power Conversion Calc nor Electrical Toolkit by HCP shows ads.

### Which is updated more often, Power Conversion Calc or Electrical Toolkit by HCP?

Power Conversion Calc ships an update every 3 months, and Electrical Toolkit by HCP every 8 days. Most recently, Power Conversion Calc was updated on September 12, 2026 and Electrical Toolkit by HCP on September 24, 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.*