Comparison

CableCalc BS7671 vs LiquidText Prepaid

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

LiquidText Prepaid

Review, organize, and connect information from documents and webpages. Extract key facts, draw connections between ideas, and annotate content. Ideal for research, writing, and studying.

Highlights
  • Import documents and webpages
  • Extract and organize excerpts
  • Connect ideas across documents
  • Annotate PDFs, Word, and PowerPoint
  • Side-by-side document comparison
  • Create mind maps
  • Instant OCR for scanned documents
Read full description

* Includes the same features as our consumer version of LiquidText, but designed to work with Apple's Volume Purchase Program, so some paid features are included in the purchase price. * *** Named “Most Innovative iPad App of the Year” by Apple App Store *** LiquidText offers a fast, natural way to review, gather, and organize information across all your documents and webpages—then apply the results to writing reports, meeting prep, or simply studying. Pull out key facts and connect them together, squeeze a document to compare sections, draw a line to connect ideas in different documents, comment on multiple pages at once, build upon your thoughts, and much more. ► WHAT PEOPLE ARE SAYING: * "If you want to experience the power of going beyond paper, you can download LiquidText" – Cult of Mac * One of Macworld’s Top 24 Apps for iPad Pro * One of Time Magazine's Ten Best apps for iPad Pro * "There's a better way to organize your research, and the app is it." – iMore, Serenity Caldwell * “All you need for deep research projects.” – Macworld, Jackie Dove * "The world changed with...LiquidText" – Law360, Paul Kiesel * "LiquidText may just be *the* app for reviewing and annotating PDFs using Apple's tablet and stylus." – CIO Magazine, James Martin ► LIQUIDTEXT’S COMPLETE FEATURE SET INCLUDES: (Note that to use features with a *, a subscription to our premium service is required. You can also get some of these features with a one-time purchase instead.) Import • Create a workspace and import all the documents and web pages you need • Compatible with PDF, Word, and PowerPoint document types • Import from Dropbox, iCloud Drive, Box, email, and more • Import content from webpage or send to LiquidText directly from Safari • Instant OCR to select text in scanned documents; do a full document-OCR to search as well!* • Import documents & metadata directly from reference managers (supports Zotero and Mendeley)* Interact • Pull excerpts from all the documents in your project into the Workspace area • Add your own notes (typed or written) to the Workspace area • Freely draw on your notes, or on the workspace itself • Organize excerpts and notes into groups • Connect anything - draw live “ink links” that span pages, documents, notes, and more • Create mind-maps by drawing “ink links” connecting your excerpts/notes to one another • Get context - tap notes and excerpts to find original source Compare • Pinch a document to compare different distant pages side by side • Collapse text to see annotated parts side-by-side • Collapse text to view search results(s) side-by-side • Import unlimited number of documents into a project, view up to 3 at once Annotate • Freely draw* or highlight on your document, notes, or the workspace itself • Add margin notes/comments to text, images, notes, and excerpts • Comment on two or more selections simultaneously • Make comments that link to multiple documents at once • Replace document with a newer version (and annotations are brought to new doc)* Search • Search for keywords across all your LiquidText documents • Find keywords in title or text of your documents • Bulk highlight, tag, or link to your search results* Share • Export your project as a PDF (includes your Workspace and documents) • Export your project as a Word file (converts your notes/excerpts into a linear document) • Send a full LiquidText file for those with the app. • Send files by email or to Dropbox, iCloud Drive, Zotero, and more* Sync & Backup* • Real-time, cross-platform sync • Continuous cloud backup • Multi-device display: • All your devices are updated in realtime • Use your desktop or tablet as additional displays for your tablet, or vice versa • Use your tablet for freehand inking while viewing and keyboarding on your desktop See our terms of use at https://www.liquidtext.net/terms-of-use Learn more at LiquidText.net | Better Than Paper

Verdict

The call

The clearest difference is price: LiquidText Prepaid at $79.99 against CableCalc BS7671's $149.99. LiquidText Prepaid also leads on update cadence (every 2 months vs every 23 months). CableCalc BS7671's advantage is in-app purchases (none vs 6) and ads (none vs shown). On review sentiment and device support 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

CableCalc BS7671 costs $149.99 and LiquidText Prepaid $79.99 up front. LiquidText Prepaid sells 6 in-app purchases, starting at $9.99 per month. CableCalc BS7671 asks for nothing beyond the download.

UpkeepUpdate frequency

CableCalc BS7671 ships an update every 23 months, LiquidText Prepaid every 2 months. The most recent releases landed on June 6, 2026 and August 26, 2026 respectively.

Scorecard6 real differences · 4 level
CableCalc BS7671 versus LiquidText Prepaid: the parameters behind the verdict, then further details
ParameterCableCalc BS7671LiquidText Prepaid
Price$149.99$79.99 — better
Rating—4.7 (372 ratings) — better
Positive reviews50.0% of reviews53.7% of reviews — better
Number of ratings—372 — better
Update frequencyEvery 23 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPad
Requires iOS9.0 — better15.0
Further details — not scored
Size2 MB279 MB
Age rating4+17+
DeveloperCastline SystemsLiquidText, Inc.

Customer experience

CableCalc BS7671

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

LiquidText Prepaid

All ratings372 ratings
Positive93.5%
Neutral2.2%
Negative4.3%
Written reviews147 reviews
Positive53.7%
Neutral16.3%
Negative29.9%

In-app purchases

None

CableCalc BS7671

No in-app purchases

6 purchases

LiquidText Prepaid

Subscriptions4
  • LiquidText Live, Monthly, Ent7 Days trial$9.991 Month
  • LiquidText Unlmt, Monthly, Ent7 Days trial$11.991 Month
  • LiquidText Live, Yearly, Ent7 Days trial$94.991 Year
Show 1 more
  • LiquidText Unlmtd, Yearly, Ent7 Days trial$118.991 Year
One-time2
  • LiquidText Pro 2023$7.99
  • LiquidText Pro 2023$49.99

Questions

Is CableCalc BS7671 free?
CableCalc BS7671 costs $149.99, with no in-app purchases.
Is LiquidText Prepaid free?
LiquidText Prepaid costs $79.99, and also offers in-app purchases.
Do CableCalc BS7671 or LiquidText Prepaid have ads?
LiquidText Prepaid shows ads; CableCalc BS7671 does not.
Which is updated more often, CableCalc BS7671 or LiquidText Prepaid?
CableCalc BS7671 ships an update every 23 months, and LiquidText Prepaid every 2 months. Most recently, CableCalc BS7671 was updated on June 6, 2026 and LiquidText Prepaid on August 26, 2026.

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