# CableCalc BS7671 Lite vs ExiCalculator

The clearest difference is update cadence: ExiCalculator at every 10 months against CableCalc BS7671 Lite's every 34 months. CableCalc BS7671 Lite's advantage is iOS requirement (7.0 vs 15.0). 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.

CableCalc BS7671 Lite ships an update every 34 months, ExiCalculator every 10 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CableCalc BS7671 Lite | ExiCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 1 MB | 11 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castline Systems](https://appshunter.io/developer/561044559) | [Endress and Hauser Instruments International AG](https://appshunter.io/developer/513969520) |

## What reviewers say

### CableCalc BS7671 Lite

[App page](https://appshunter.io/ios/app/cablecalc-bs7671-lite/id561044556)

This app calculates electrical circuits, including current carrying capacity, volt drop, and correction factors for PVC cable. It provides a detailed summary of checks for ring, radial, and lighting circuits.

**Highlights:** Ring, radial, and lighting circuit calculations, Current carrying capacity checks, Volt drop calculations, Correction factor application, Operating temperature analysis, Maximum Zs and minimum cpc size checks, Detailed summary of results

**Features:** macOS Compatibility

**In-app purchases:** none


### ExiCalculator

[App page](https://appshunter.io/ios/app/exicalculator/id1225917778)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CableCalc BS7671 Lite free?

CableCalc BS7671 Lite is free to download, with no in-app purchases.

### Is ExiCalculator free?

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

### Do CableCalc BS7671 Lite or ExiCalculator have ads?

Neither CableCalc BS7671 Lite nor ExiCalculator shows ads.

### Which is updated more often, CableCalc BS7671 Lite or ExiCalculator?

CableCalc BS7671 Lite ships an update every 34 months, and ExiCalculator every 10 months. Most recently, CableCalc BS7671 Lite was updated on October 6, 2026 and ExiCalculator on October 10, 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.*