# Electrical Calculations vs Contract Risk

The clearest difference is ads: Contract Risk at none against Electrical Calculations's shown. Contract Risk also leads on update cadence (daily vs every 3 weeks). Electrical Calculations's advantage is iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months and Contract Risk sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Electrical Calculations ships an update every 3 weeks, Contract Risk daily. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | Contract Risk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (126 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 65 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Tobias Bystrek](https://appshunter.io/developer/1762986302) |

## What reviewers say

### Electrical Calculations

[App page](https://appshunter.io/ios/app/electrical-calculations/id993232048)

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

**Highlights:** Wire size and voltage drop calculations, Power, current, and resistance calculations, Motor performance and connection diagrams, Electronic component calculations, Extensive unit conversions, PDF report generation, Support for IEC, CEI, NEC, CEC standards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $3.99 | per 3 months |
| PRO Version (1 year) | $7.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### Contract Risk

[App page](https://appshunter.io/ios/app/contract-risk-ai-scanner/id6760469052)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly | $1.99 | per 7 days |
| Annual | $8.99 | per year |


## Frequently asked questions

### Is Electrical Calculations free?

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

### Is Contract Risk free?

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

### Do Electrical Calculations or Contract Risk have ads?

Electrical Calculations shows ads; Contract Risk does not.

### Which is updated more often, Electrical Calculations or Contract Risk?

Electrical Calculations ships an update every 3 weeks, and Contract Risk daily. Most recently, Electrical Calculations was updated on September 25, 2026 and Contract Risk on September 21, 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.*