Power Calculator vs Cable Calc+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Power Calculator
This app provides a straightforward calculator designed for the electrical industry, offering tools for power and lighting calculations. It helps users determine generator and UPS requirements, convert units, and calculate fuel consumption. Suitable for both professionals and casual users needing electrical calculations.
- KW, kVA, and Amps calculation
- Generator requirements calculation (single/three phase)
- UPS requirements calculation (single/three phase)
- Lumens and Watts conversion
- Generator fuel consumption calculation
- Generator power calculation
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A simple no fuss calculator for electrical industry professionals & casual users alike. Incorporates a range of electrical power & lighting calculators: • KW and kVA and Amps • Calculate generator requirements (single or three phase) • Calculate UPS requirements (single or three phase) • Convert Lumens & Watts • Generator Fuel Consumption • Generator Power Calculator
Cable Calc+
This tool assists electrical contractors by calculating cable selection and voltage drop for installations up to 25KW and 100A. It supports various cable types and includes reference methods, educational videos, and a guide to electrical test instruments.
- Cable selection calculator
- Voltage drop calculator
- Supports various cable types (SWA, Fire proof, Tri rated, Twin and earth)
- Reference methods
- Electrical test instrument guide
- Educational videos
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For over 100 years, Megger has been the premier provider of electrical test equipment and measuring instruments for power applications. The free iPhone app includes a Cable Calc tool useful to every electrical contractor Features: A comprehensive cable selection & volt drop calculator tool. for installations up 25KW 100A. Cables include: √ SWA 2, 3 and 4 core XLPE √ SWA 2, 3 7 4 core PVC √ Fire proof √ Tri rated √ Twin and earth With a range of reference methods A guide to the use of electrical test instruments Videos Plus more
Screenshots
Verdict
The clearest difference is review sentiment: Power Calculator at 84% against Cable Calc+'s 38%. Power Calculator also leads on rating (4.5 vs 4.0). Cable Calc+'s advantage is iOS requirement (8.0 vs 17.6). On price, ratings volume, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Power Calculator holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 84% of Power Calculator's written reviews are positive against 38% of Cable Calc+'s.
Power Calculator ships an update every 2 months, Cable Calc+ every 4 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Power Calculator | Cable Calc+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 84.2% of reviews — better | 37.5% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Power Continuity Limited | Megger |
Customer experience
Power Calculator
Cable Calc+
In-app purchases
Power Calculator
No in-app purchases
Cable Calc+
No in-app purchases
Questions
Is Power Calculator free?
Is Cable Calc+ free?
Which has better reviews, Power Calculator or Cable Calc+?
Do Power Calculator or Cable Calc+ have ads?
Which is updated more often, Power Calculator or Cable Calc+?
Other comparisons
