# CableCalc BS7671 vs RET Master

The clearest difference is review sentiment: RET Master at 100% against CableCalc BS7671's 50%. RET Master also leads on price (Free vs $149.99) and update cadence (every 4 months vs every 23 months). On ads, in-app purchases and iOS requirement there is nothing between them.

RET Master is free to download; CableCalc BS7671 costs $149.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CableCalc BS7671 ships an update every 23 months, RET Master every 4 months. The most recent releases landed on June 6, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | CableCalc BS7671 | RET Master |
| --- | --- | --- |
| Price | $149.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ret-master/id877778973/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 63 MB |
| Requires iOS | **9.0** | 9.3 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castline Systems](https://appshunter.io/developer/561044559) | [CommScope, Inc.](https://appshunter.io/developer/461547737) |

## What reviewers say

### CableCalc BS7671

[App page](https://appshunter.io/ios/app/cablecalc-bs7671/id665882941)

This application performs comprehensive electrical cable calculations compliant with BS7671:2018(2024) standards. It checks for voltage drop, disconnection time, fault current, and overload data, generating detailed PDF reports. Supports single and three-phase calculations for various circuit types and includes extensive cable databases.

**Highlights:** BS7671:2018(2024) compliant calculations, Voltage drop, disconnection time, fault current checks, Single and three-phase calculations, Radial, ring, and sub main circuits, Detailed PDF report generation, Extensive cable and protective device database, Correction factor application

**In-app purchases:** none


### RET Master

[App page](https://appshunter.io/ios/app/ret-master/id877778973)

This application enables wireless monitoring, control, and diagnostics for base station antennas. It connects to a RET Master unit to manage devices like Remote Electrical Tilt actuators and Tower Mounted Amplifiers.

**Highlights:** Wireless monitoring, Antenna control, Diagnostic capabilities, RET actuator management, TMA integration, CommScope SmartBeam support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CableCalc BS7671 free?

CableCalc BS7671 costs $149.99, with no in-app purchases.

### Is RET Master free?

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

### Do CableCalc BS7671 or RET Master have ads?

Neither CableCalc BS7671 nor RET Master shows ads.

### Which is updated more often, CableCalc BS7671 or RET Master?

CableCalc BS7671 ships an update every 23 months, and RET Master every 4 months. Most recently, CableCalc BS7671 was updated on June 6, 2026 and RET Master on June 2, 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.*