# Cable Calc vs Tradecert

The clearest difference is review sentiment: Tradecert at 96% against Cable Calc's 17%. Tradecert also leads on price (Free vs $14.99) and update cadence (every 10 days vs every 4 months). Cable Calc's advantage is iOS requirement (11.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Tradecert is free to download; Cable Calc costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cable Calc ships an update every 4 months, Tradecert every 10 days. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Cable Calc | Tradecert |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Positive reviews | 16.7% of reviews | **96.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 103 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Tradecert Ltd](https://appshunter.io/developer/1747113748) |

## What reviewers say

### Cable Calc

[App page](https://appshunter.io/ios/app/cable-calc/id1044306956)

Calculate the minimum required cable size for single and three-phase circuits based on BS 7671 standards. Input design criteria, installation methods, and environmental factors to determine appropriate cable dimensions. Save or print detailed results for your projects.

**Highlights:** Calculate single and three-phase radial circuits, Calculate single-phase ring final circuits, Based on BS 7671 standards, Enter design criteria, Select cable type, installation method, ambient temperature, and grouping, Save or print results, Add circuit and client details

**Features:** macOS Compatibility

**In-app purchases:** none


### Tradecert

[App page](https://appshunter.io/ios/app/tradecert-ai-electrical-certs/id6502862218)

This app streamlines the creation and management of electrical certificates and reports for UK electricians. It uses AI to auto-fill forms, perform calculations, and identify potential issues, ensuring compliance with BS7671 and Part P regulations. Work offline and collaborate with your team in real-time.

**Highlights:** AI-powered certificate and report generation, Offline creation and saving of documents, 18th Edition and Part P compliance, AI Uploads for distribution board data, Live multi-user collaboration, Customizable company branding

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cable Calc free?

Cable Calc costs $14.99, with no in-app purchases.

### Is Tradecert free?

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

### Do Cable Calc or Tradecert have ads?

Neither Cable Calc nor Tradecert shows ads.

### Which is updated more often, Cable Calc or Tradecert?

Cable Calc ships an update every 4 months, and Tradecert every 10 days. Most recently, Cable Calc was updated on September 12, 2026 and Tradecert 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.*