Free
£0no account
The canvas and the simulation with every explanation, the home installation devices, the realistic view, the multimeter, exercises and a first fault board, sharing, and joining a class.
Open the simulatorPricing
Learning is free, without an account. Plans add devices, exam practice, saved circuits, and tools for running a class.
Basic
£21.49for 3 months
no renewal, about £7.16 a month
Everything free, plus motors and control devices, every fault board and endless fault practice, exam-style boards, the installation tester, your circuits saved online, your course progress on your phone and computer (start on the computer at school, carry on on your phone), and short live class sessions (3 followers, 20 minutes).
Open the simulatorTeacher
£9.99per month
Everything in Basic, your progress on phone and computer included, plus the exercise builder with rules for learners, unlimited live class sessions, the single-line diagram export, and professional mode.
Open the simulatorSchool
Per schoolper year, by invoice
The teacher plan for every teacher at your school, one invoice, and a pilot semester for the first schools. Optional: Basic for your students at a school price.
Write to usPrices in pounds sterling, VAT included. Cancel any time; refunds within 14 days. Terms · Refunds
Compare plans
| Feature | Free | Basic | Teacher | School |
|---|---|---|---|---|
| Simulator | ||||
| Canvas, live simulation, and explanations of every result | ✓ | ✓ | ✓ | ✓ |
| Fault tracing, protection curves, RCDs, selectivity | ✓ | ✓ | ✓ | ✓ |
| Earthing systems, touch voltage, cable heating, and insulation failure | ✓ | ✓ | ✓ | ✓ |
| Realistic view and consumer units | ✓ | ✓ | ✓ | ✓ |
| Professional mode | — | — | ✓ | ✓ |
| Devices | ||||
| Home installation on one or three phases: supply, PEN split on a PEN bar, earth electrode, MCBs, RCDs and RCBOs of type AC, A, F, and B, switches, push-buttons, staircase timer, lamps, BS 1363 socket-outlets, heaters, appliances with electronics (washing machine, heat pump, EV charger), and consumer units | ✓ | ✓ | ✓ | ✓ |
| Motors: single- and three-phase, with a terminal box for star or delta | — | ✓ | ✓ | ✓ |
| Control: contactors, overload relays, latching and time relays | — | ✓ | ✓ | ✓ |
| Measurement | ||||
| Multimeter (V AC, Ω) and results table | ✓ | ✓ | ✓ | ✓ |
| Installation tester on your own circuits: continuity, insulation, loop impedance, RCD trip time and current, phase sequence | — | ✓ | ✓ | ✓ |
| Saving and sharing | ||||
| Your circuit kept in this browser | ✓ | ✓ | ✓ | ✓ |
| My circuits: saved online, on any device | — | ✓ | ✓ | ✓ |
| Course and exercise progress synced between your phone and computer | — | ✓ | ✓ | ✓ |
| No account needed | ✓ | Passes: pay now, sign in later | — | — |
| Share links | ✓ | ✓ | ✓ | ✓ |
| Picture export with the wirewhy.com mark | ✓ | ✓ | ✓ | ✓ |
| Single-line diagram: view | ✓ | ✓ | ✓ | ✓ |
| Single-line diagram: download and print | — | — | ✓ | ✓ |
| Exercises | ||||
| Built-in exercises that check themselves | ✓ | ✓ | ✓ | ✓ |
| Exam-style boards | One | ✓ | ✓ | ✓ |
| Exercise builder: build, try, and publish your own exercises, with rules for learners | — | — | ✓ | ✓ |
| Play exercises others share | ✓ | ✓ | ✓ | ✓ |
| Teaching | ||||
| Join a live class session | ✓ | ✓ | ✓ | ✓ |
| Host a live class session | — | 3 followers, 20 min | Unlimited | Unlimited |
| Several teachers, one invoice | — | — | — | ✓ |
| Basic for your students, at a school price (optional) | — | — | — | ✓ |
Billing questions
How do I cancel?
Any time, with Manage subscription in the Account dialog. Your plan stays active until the end of the month you have paid for; nothing more is charged.
Is there a free trial?
No: most of WireWhy is free without an account, so you see what you get before paying. The passes (3 months, 30 days) end by themselves, and any payment can be refunded within 14 days.
Can I get a refund?
Yes: a full refund within 14 days of any payment. See the refund policy.
Which currency, and is VAT included?
Prices are in pounds sterling and include VAT. Paddle, our reseller, issues the receipt; businesses can add their VAT number.
How do schools pay?
By invoice, for the whole school for a year, optionally with Basic for your students at a much lower price per student. Write to us for a quote and a pilot semester.