JoltMile Help
How each part of the app works, why it asks for what it asks for, and how every figure is calculated.
Logging a shift
What each step of the shift wizard asks for, why, and what happens to it afterwards.
Getting startedUpdated 29/09/2026
Business mileage and the distance calculator
How JoltMile applies the 55p and 25p approved rates, tracks your 10,000-mile threshold, and works out distances from postcodes.
Mileage & expensesUpdated 29/09/2026
How JoltMile works out your fuel cost
Cost per mile from your own MPG and price per litre, with a weekly UK average price from the government fuel data.
Mileage & expensesUpdated 29/09/2026
Expenses and receipts
Recording what you spend, which costs are allowable, how to claim only the business share of a part-personal cost, and where it all lands on your tax return.
Mileage & expensesUpdated 29/09/2026
How JoltMile handles insurance costs
Annual, monthly or per-hour cover, turned into a daily rate and spread across the driving it covers.
InsuranceUpdated 29/09/2026
How JoltMile calculates your true hourly rate
The difference between gross, business and true £/hr, and exactly what each one subtracts.
Earnings & profitabilityUpdated 29/09/2026
Take-home pay, and how it differs from current balance
One figure counts every cost you had. The other counts only the cost of the driving. Both are true, and they answer different questions.
Earnings & profitabilityUpdated 29/09/2026
How JoltMile estimates your tax
Income tax and Class 4 National Insurance on your running profit, using the 2026/27 bands.
HMRC & taxUpdated 29/09/2026
Reading the Earnings summary
Your tax year month by month and week by week, and why a rate for a period is never an average of rates.
Earnings & profitabilityUpdated 29/09/2026
The Self Assessment screen
What each figure means, how it maps to your tax return, and what the CSV and PDF exports contain.
HMRC & taxUpdated 29/09/2026
Other income, PAYE and your tax estimate
Adding a job, rent or another trade, entering the tax already taken off your payslips, and how it changes your figures.
HMRC & taxUpdated 29/09/2026
Your data: backup, export and deletion
What JoltMile stores, who can read it, and how to get all of it out or remove it entirely.
Getting startedUpdated 29/09/2026
Your JoltMile subscription as a claimable expense
Why a JoltMile subscription appears in your expenses automatically, where the figure comes from, and why you cannot edit it.
Mileage & expensesUpdated 29/09/2026
Getting started with JoltMile
What to set up before your first shift, what to do in your first week, and which figures to ignore until you have some history behind them.
Getting startedUpdated 29/09/2026
The JoltMile app for iPhone
Where to get it, how to sign in, what it does, how paying through Apple works, and what your account on the website is for.
Getting startedUpdated 29/09/2026
Reading your Earnings tab
What the big number is, what the two rings mean, and how This month and This week differ from your year to date.
Earnings & profitabilityUpdated 29/09/2026
The shift log and its columns
Finding a shift, what each figure against it means, and editing or deleting one.
Earnings & profitabilityUpdated 29/09/2026
Every setting, and what it changes
What each section of Settings does, which figures it moves, and which of them are safe to change once you have started logging.
Getting startedUpdated 29/09/2026
Account and billing
The free plan, what a subscription includes, how to cancel, what happens to your records afterwards, and where to find your invoices.
Getting startedUpdated 29/09/2026
The distance calculator
The postcode-to-postcode calculator was part of the web dashboard. How miles are worked out in the app instead.
Mileage & expensesUpdated 29/09/2026
Deadline reminders
The Self Assessment dates JoltMile tracks for you, how it works out which ones apply, and how to turn them off.
HMRC & taxUpdated 29/09/2026
When something looks wrong
Figures that do not match, shifts that have not synced and totals that surprise you, with the handful of causes that explain almost all of them.
Getting startedUpdated 29/09/2026
Your privacy and how your data is protected
What JoltMile stores about you, who can reach it, what it is never used for, and how to get all of it back or delete it.
Getting startedUpdated 29/09/2026
Working offline
What happens when the signal goes, what is safe to do without one, and how your work gets back to your account afterwards.
Getting startedUpdated 29/09/2026
Asking Jolt
What the in-app assistant can answer, where its answers come from, and the things it will not do for you.
Getting startedUpdated 29/09/2026
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