Comparison

Cable Calc vs KEWPAT

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

Head to head
About

Cable Calc

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
Read full description

A cable size calculator based on BS 7671 for calculating single phase and three phase radial circuits and single phase ring final circuits. Calculate the minimum required cable size based on the tables within BS 7671 and print or save the results. STEP 1: Enter your design criteria and select a cable type. STEP 2: Select an installation method, ambient temperate and grouping. Option to enter a circuit reference and circuit description. Option to enter a client name and installation address. Option to add a signatory. Check out our full collection of electrical apps & software packages for electricians at https://www.procertssoftware.com/apps/

About

KEWPAT

This app streamlines portable appliance testing (PAT) and test and tag procedures for iPhones and iPads. It allows manual logging of results, remote control of specific testers, and comprehensive data storage for multiple customers and sites. Users can customize fields, scan barcodes, and attach photos for detailed record-keeping.

Highlights
  • Manual PAT testing data logging
  • Remote control of Kewtech SMARTPAT
  • Import/export data with SimplyPats software
  • Barcode scanning for data entry
  • Photo capture with annotations
  • Customizable user-defined lists
  • Risk assessment tool for retest periods
Features
Read full description

PAT (Portable Appliance) Testing / Test and Tag App for your iPhone or iPad. Designed to work with SimplyPats - Data can be imported and exported too and from SimplyPats Version 7 or SimplyPats Version 7 Manual Plus Edition PAT Testing Software** (for Windows OS). Manually log your PAT Testing Results using your iPhone or iPad, and if you own a Kewtech SMARTPAT you can control the PAT Tester via Remote mode using the App. The Database used by KEWPAT is capable of storing large amounts of PAT Test Data between single (if in-house Testing) or multiple (if PAT Testing as a Contractor) Customers, and is designed to be compatible with the SimplyPats Manual Plus or Downloading Edition software, available seperately. Information such as the Customer Contact details, Sites, Locations, Appliance Id's, Descriptions, Retest Periods as well as detailed Test Results can all be entered and stored. If you need to record extended information such as: Make, Model, Fuse, Serial Number, Price and Repair info and other information, you can choose to display the Extra Info screen during the Test Sequence. Detailed Visual Test Information can also be recorded with individual checks for Socket, Plug, Switch, Flex and Body as well as OK for continued use and suitable for the environment it’s operating in. As with the Extra info, this is an optional screen that can be turned on during the Test Sequence, otherwise just an overall Visual Test status will be recorded. Fields with the "Hold For List" option let you either type information in using the on screen keyboard, or select pre-defined entries from a list. You can add your own entries to any list which is a great way of entering frequently used Appliance Descriptions, Sites, Locations, Notes, Makes and Models etc. Scanning of Barcodes are supported for data entry of Appliance Id or Serial Numbers. QR Codes can be read using your main camera where they have been printed out via the KEWPAT App using a compatible Bluetooth Printer (available separately). Limits and Results for each test are pre-configured but can be overwritten or selected from a list. The Resistance Calculator can also be used to set the Limit for Earth Bond in Manual Mode. Both Visual and Electrical Retest Periods can be set manually or calculated automatically using the Risk Assessment tool. Support for taking photos is included. The App can be configured in various ways depending on what PAT Testing information you need to record. Features at a glance: - Export Data to SimplyPats** - Import SimplyPats Data Files (ideal for repopulating the App with Data) - Remote Control Kewtech SMARTPAT. - Quick Manual entry of data for non downloadable PAT machines. - Barcode Scanning.* - Take Photos.* - Annotations (Arrows) on Photos. - Comprehensive search and Filter of test results. - Easy Custom Test setup for SMARTPAT. - User definable lists for Appliance Descriptions, Sites, Locations. - Extra Notes fields, Make Model, Appliance Serial Number which can be switched off if not wanted. - IET COP Rev 4 Extended Visual Questions (again can be switched off is simple Visual Pass and Fail required. - Ability to print labels using a Compatible Bluetooth Printer. - Multiple Barcode label formats including QR and Code39. - Inbuilt Resistance calculator to calculate resistance of Cables by CSV and length. - Inbuilt Risk calculator to give suggested IET COP Rev 4 retest periods. - Collect customer signature on App on completion of work. - Email summary of tests direct to Customer. - Ability to store 10's of thousands of assets and test results. - Flip between Dark or Light Colour schemes. - Charge and repair Codes compatible with SimplyPats. - Repeat Last Test using SMARTPAT. - Auto increment Appliance Id (inc Alpha Prefix). * Certain features or functionality may depend on your device and the hardware available. Features may change without notice

Screenshots

Cable Calc4 screens
KEWPAT3 screens

Verdict

The call

The clearest difference is price: KEWPAT at Free against Cable Calc's $14.99. KEWPAT also leads on review sentiment (35% vs 17%). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

Scorecard3 real differences Β· 5 level
Cable Calc versus KEWPAT: the parameters behind the verdict, then further details
ParameterCable CalcKEWPAT
Price$14.99Free β€” better
Positive reviews16.7% of reviews34.8% of reviews β€” better
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 β€” better12.0
Further details β€” not scored
Size3 MB12 MB
Age rating4+4+
DeveloperPro Certs Software LtdRSR Systems Ltd

Customer experience

Cable Calc

Written reviews12 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

KEWPAT

Written reviews23 reviews
Positive34.8%
Neutral21.7%
Negative43.5%

In-app purchases

None

Cable Calc

No in-app purchases

None

KEWPAT

No in-app purchases

Questions

Is Cable Calc free?
Cable Calc costs $14.99, with no in-app purchases.
Is KEWPAT free?
KEWPAT is free to download, with no in-app purchases.
Do Cable Calc or KEWPAT have ads?
Neither Cable Calc nor KEWPAT shows ads.
Which is updated more often, Cable Calc or KEWPAT?
Cable Calc ships an update every 4 months, and KEWPAT every 4 months. Most recently, Cable Calc was updated on September 12, 2026 and KEWPAT on September 11, 2026.

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