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Case study from an App Store review, 13 October 2026

One Less Tool to Carry: Light Checks for a Sole Trader Electrician

A self-employed electrician keeps basic light level checks on the phone already in their pocket, and saves the van kit for the jobs that need it.

One Less Tool to Carry: Light Checks for a Sole Trader Electrician

App Store review

Simple and Useful

“The app makes checking light levels convenient. I like having the readings available on my phone instead of carrying another tool for basic checks.”

Mahmdallah, Sparks-elecricl, 13 October 2026

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Worked example

The scenario below is illustrative. It is not a description of the reviewer’s business; it shows how an electrical business like the one in the review would use Lux Meter Pro.

The situation

Think of a self-employed electrician doing domestic work: lighting replacements, kitchen installs, socket repairs and general maintenance, often five or six small jobs in a day. Working alone means every stage of the job is yours, from the first call to explaining the finished work to the customer.

A light meter is useful a few times a week, which is exactly the kind of tool that stays in the van when you need it and gets carried when you do not. For a quick indication of whether a hallway is as dim as the customer thinks, going back out for an instrument is friction that stops the check happening at all.

How Lux Meter Pro fits

Lux Meter Pro turns the phone into the quick check. Open the app, take the reading, and the card shows the lux value with a photo, the time and the location. The question gets answered while you are standing in the hallway with the customer.

On a downlight swap from halogen to LED, a reading before and after shows the homeowner what changed. On a maintenance visit, a few readings across a dim stairwell show whether the problem is the fittings, the lamps or the decor.

Readings save to the Readings tab, so the record lives with the job rather than on the back of an invoice pad, and any reading can be exported as a PDF if the customer wants it.

What it changes for the business

  • No separate instrument for basic checks, so the check actually happens.
  • Readings in the room, in the conversation with the homeowner.
  • A tidy record per job for a one-person business with no office to type things up.

Key takeaway

For a sole trader, the most valuable tool is the one you never have to remember to bring.

Phone readings are indicative. For formal verification against a lighting specification, use a calibrated meter.

Try It on Your Next Job

Lux Meter Pro is free to download. Readings, lighting grids, emergency light testing and BS 5266-1 certificates from your iPhone.

Download on the App Store

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