Capstone

Capstone,worked out.

An iPhone app for the Australian electrical Capstone assessment. Type each answer with its unit, then follow every step of the working.

Try a question

Coming to the App Store

Unofficial study app. Not affiliated with or endorsed by any government, regulator, TAFE or registered training organisation.

Capstone on iPhone: a series-resistance question with its circuit drawing, answered 79 Ω and marked Correct.

Capstone asks for the working,

not just the answer.

Type the number, pick its unit.

Tap the part on the circuit.

Put the steps in order.

Then follow every step of the working.

Question types

  1. Type the answer and its unit.

    Calculated questions take a number and a unit, the way you’d write them on paper: 79 Ω, 1.5 %, 10.9 A. Choose the wrong unit and the app tells you which one your number fits.

    Capstone on iPhone: a three-phase voltage-drop question answered 1.5 % and marked Correct, with the line “The drop between lines is (3 × 40 × 50) ÷ 1000 = 6 V”.

  2. Tap the part on the diagram.

    Circuit questions ask you to find a part in the drawing, like the fuse in this circuit. Tap its symbol on the circuit, or choose it from a list.

    Capstone on iPhone: a circuit drawing with the question “Tap the symbol that represents a fuse in this circuit” and the fuse symbol selected.

  3. Follow every step of the working.

    After each answer, open the working: what to do and why, the formula, the numbers put in, and the result. Save a working to come back to, and add your own note.

    Capstone on iPhone: the Working sheet, “Add the resistances, because they are in series”, then Formula R total = R1 + R2 + R3, Substitute 10 Ω + 47 Ω + 22 Ω, Result 79 Ω.

  4. Clear the questions you missed.

    Wrong answers go to Mistakes, grouped by chapter. Each one clears once you get it right on two later days.

    Capstone on iPhone: the Mistakes screen showing three mistakes to review, grouped by chapter, each with progress such as 0 of 2.

Try one from the app:

Three of the 81 questions in this version, word for word, marked the way the app marks them. Questions are written for this app and haven’t been independently reviewed. Report anything that looks wrong.

Chapter 2 · DC, AC and three-phase calculations

In the figure, R1 = 10 Ω, R2 = 47 Ω and R3 = 22 Ω.

The working so far is R total = 10 Ω + 47 Ω + …

Finish it: what is the total resistance?

R110 ΩR247 ΩR322 Ω
Unit

Show working
  1. Add the resistances, because they are in series.
  2. FormulaR total = R1 + R2 + R3
  3. SubstituteR total = 10 Ω + 47 Ω + 22 Ω
  4. ResultR total = 79 Ω

Chapter 2 · DC, AC and three-phase calculations

A load uses 1.8 kW of real power and 2.0 kVA of apparent power. What is its power factor?

Show working
  1. Divide real power by apparent power.
  2. Formulapf = P ÷ S
  3. Substitutepf = 1.8 kW ÷ 2.0 kVA
  4. Resultpf = 0.9

Chapter 8 · Cable selection, voltage drop and fault-loop design

A 400 V three-phase submain, 50 m long, carries 40 A per phase.

Its cable’s supplied example voltage-drop factor is 3 mV/A·m. This three-phase factor gives the drop between lines.

What is the drop as a percentage of 400 V?

Unit

Show working
  1. Find the drop in volts, then express it as a percentage of the line voltage, 400 V.
  2. FormulaVd = (mV/A·m × I × L) ÷ 1000; %Vd = Vd ÷ V × 100
  3. SubstituteVd = (3 × 40 × 50) ÷ 1000
  4. SubstituteVd = 6000 ÷ 1000 = 6 V
  5. Substitute%Vd = 6 ÷ 400 × 100
  6. Result%Vd = 1.5%

How a week with Capstone runs.

Set the date once. Then each week, practise, go back over what you missed, and see where you stand.

  1. Set your Capstone date.

    Tell the app when you sit the assessment and how many sessions fit in a week. Today counts down the weeks and lines up each session.

    From the Today screen: “6 weeks to your Capstone”, then today’s session of about 25 minutes with Ohm’s law and power, Review mistakes and Questions to revisit.

  2. Do today’s session.

    A session works through a few sections of a chapter, with mistakes to review and questions to revisit beside it. Timed practice is there when you want the clock.

    From a practice question: the answer 79 Ω marked Correct, “In series, R total = 10 + 47 + 22 = 79 Ω”, with Finish and Show working.

  3. Go back over mistakes.

    Questions you got wrong wait in Mistakes until you get each one right on two later days.

    From the Mistakes screen: three mistakes to review and a Review 3 button.

  4. See where you stand.

    Progress shows how much of each chapter is secure and what’s left, chapter by chapter.

    From the Progress screen: chapters 2, 3, 7 and 8 with rings, such as “20 of 37 secure · 30 seen” for DC, AC and three-phase calculations.
A timber house frame and a drum of copper cable on red soil at first light, under a wide dawn sky.

A weekly run, not a daily streak.

Choose how many sessions fit your week. Hit that number and your run keeps going, however the days fall.

From the Today screen: This week, 1 of 3 sessions, with Tuesday done; “Hit 3 sessions in a week to keep your run going”; Run: 3 weeks.

81 questions, four chapters.

This version has 81 practice questions and 18 teaching cards from chapters 2, 3, 7 and 8. It doesn’t cover every Capstone topic.

Teaching cards walk through worked examples, such as three resistors in series across 230 V. Paid Lifetime includes questions and chapters added in later updates.

  • Chapter 2 illustration: a multimeter in a rubber holster.

    Chapter 2

    DC, AC and three-phase calculations

    37 questions

  • Chapter 3 illustration: a clipboard with a two-resistor circuit and a pencil.

    Chapter 3

    Circuit diagrams

    8 questions

  • Chapter 7 illustration: a panel meter with a needle.

    Chapter 7

    Maximum demand and phase allocation

    16 questions

  • Chapter 8 illustration: a drum of cable.

    Chapter 8

    Cable selection, voltage drop and fault-loop design

    20 questions

Try it free, then choose.

Capstone is free to download. Before you choose, you can answer a sample question, set up your study plan and take a quick check of up to six questions.

  • 7-day trial

    Free

    • Full access for seven days
    • Once per Apple Account
    • No automatic charge and nothing to cancel

  • Weekly

    A$7.99 a week

    • Full access while you subscribe
    • Charged when you confirm, with no free trial
    • Renews weekly until you cancel in your Apple Account

  • Lifetime

    A$39.99 once

    • Full access, including questions and chapters added in later updates
    • One payment that never renews
    • Comes back with Restore purchase on a new iPhone signed in to the same Apple Account

You choose a plan inside the app. Prices are in Australian dollars. The App Store shows the price in your currency, and the payment terms, before you confirm. Apple handles billing and refunds. Purchases aren’t shared through Family Sharing.

Common questions

Is this the official Capstone assessment?

No. Capstone is a revision app, not an assessment.

Unofficial study app. Not affiliated with or endorsed by any government, regulator, TAFE or registered training organisation.

Does timed practice match the real assessment?

No. Timed practice is revision practice, not a copy of any provider’s assessment, and your results are revision measures, not a prediction of any assessment result. Ask your trainer or registered training organisation how your own assessment runs.

Who wrote the questions?

Questions are written for this app and haven’t been independently reviewed. If an answer, working step or diagram looks wrong, tap Report a problem on the Show working sheet, or email josh@kovus.dev.

Do I need an account?

No. There’s no account and no sign-in. Your answers, progress and study plan are stored on your iPhone, and the app works offline.

How does the free trial work?

Choose Lifetime and start the seven-day free trial with a free App Store transaction. Full access lasts seven days from that transaction. There’s no automatic charge and nothing to cancel. You can buy paid Lifetime or subscribe to Weekly during or after the trial, only if you choose.

The trial is available once per Apple Account. Reinstalling the app or erasing study data doesn’t restart it.

What does Lifetime include?

Paid Lifetime is a one-time purchase: you pay once and it never renews. It covers everything in Capstone, including questions and chapters added in later updates, for as long as Capstone is available and supports your iPhone’s version of iOS.

Which iPhones does it run on?

Capstone needs an iPhone with iOS 26 or later.

Is there an Android version?

No. Capstone is made for iPhone.

What comes with me to a new iPhone?

Your study data is kept in the app’s data on your iPhone, which iPhone backups include. If you set up a new iPhone from a backup or with Quick Start, your progress can come across. Restore purchase brings back Full access, not study data.

More answers are on the support page.

On its way to the App Store.

Capstone is for iPhone with iOS 26 or later. The download link goes here the day it’s released.

Try a question meanwhile

Coming to the App Store