Comparison

CableCalc BS7671 vs RET Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CableCalc BS7671

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
Read full description

CableCalc BS7671 is a cable evaluation program fully compliant with BS7671:2018(2024) Requirements for Electrical Installations IEE Wiring Regulations 18th Edition based on IEC/CENELEC Standards. Following the success of previous releases of CableCalc BS7671 over the past 20 years, CableCalc BS7671 has been re-designed for the iPad to provide a intuitive user interface with all the comprehensive features of the Windows software. CableCalc BS7671 will calculate and check for voltage drop, disconnection time, fault current, earth fault data, overload and short circuit data and will produce a detailed print-out for each calculation in PDF format which can be printed to an AirPort compatible printer or emailed. CableCalc BS7671 will perform both single and three-phase calculations for radial, ring and sub main circuits. CableCalc includes a full database of copper cables and generic protective devices and allows you to complete all information relevant to the calculation including any applicable correction factors for temperature, grouping etc. Energy let through values can be entered and calculations can be saved to load back in later. Cable types include: 70°C PVC Armoured & Non Armoured multicore & singles, Twin & earth, 6491x & 6181y Singles 90°C LSF Armoured singles & multicore, 6491b & 6181 Singles, Twin & earth, Flat 3 core & earth 90°C XLPE Armoured & Non Armoured singles & Multicore, 6491b & 6181xy singles FP100, FP200, FP200 Flex, FP400 and Fireforce PH30 Fire rated MICC PVC Sheath/Bare, Heavy & Light Duty CY, SY, YY 70°C PVC Flexible cable, 105°C Tri-Rated singles 60 & 90°C Rubber insulated flexible cable CableCalc is available in the english language only and all cable sizes are metric (mm). BS7671 is the standard for wiring regulations in the United Kingdom.

About

RET Master

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
Read full description

The RET Master app connects wirelessly with a RET Master unit to provide monitor, control, and diagnostic capability of base station antennas equipped with AISG-compliant Remote Electrical Tilt (RET) actuators, Tower Mounted Amplifiers (TMAs), and CommScope SmartBeam devices.

Screenshots

RET Master4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
CableCalc BS7671 versus RET Master: the parameters behind the verdict, then further details
ParameterCableCalc BS7671RET Master
Price$149.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 23 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better9.3
Further details — not scored
Size2 MB63 MB
Age rating4+4+
DeveloperCastline SystemsCommScope, Inc.

Customer experience

CableCalc BS7671

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

RET Master

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CableCalc BS7671

No in-app purchases

None

RET Master

No in-app purchases

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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