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How to choose car rental management software

What to check before you buy car rental software: availability, check-out and check-in, bonds, agreements, payments, website bookings, compliance, your data and how it's priced.

By the BookandManage team · · 6 min read

Most car rental software looks the same in a demo: a calendar, a list of cars, a booking form. The differences show up on a busy Saturday morning, at the end of the month, and the first time a customer disputes a damage charge. This guide is the list of things worth checking before you commit, written from the questions hire businesses ask us most.

Start with your day, not the feature list

Before you look at any software, write down what actually happens in your business on a normal day. For most independent hire businesses it's some version of this:

  1. Enquiries and bookings come in by phone, website, email and walk-in.
  2. Cars go out: payment, bond, licence check, agreement, condition of the car.
  3. Cars come back: fuel, kilometres, lateness, damage, the bond.
  4. Money is chased: part-payments, extensions, charges added after return.
  5. Cars are kept legal and serviced: rego, insurance, inspections, workshop jobs.

Every system you look at should make each of those five faster or safer. If a product is impressive at one and weak at the rest, you'll end up running the rest on spreadsheets again.

1. Availability you can trust

Double-booking is the most expensive mistake a hire business makes in front of a customer, so test availability properly:

  • Does it check the whole hire? A car that's free on the pickup day but booked on day four isn't available.
  • Does it allow turnaround time? A car returned at 10 am usually can't go out at 10 am.
  • Does it know about workshop days? If a service is booked for Thursday, the car shouldn't be offered for Thursday.
  • Does it handle long-term and rent-to-own cars? A car on a two-year contract is not in your hire pool.
  • What happens when a category is full? Good software suggests a similar or better category instead of just saying no.

Ask the vendor to show you a car with a workshop job and an existing booking, then try to book it across both.

2. Check-out and check-in at the counter

The handover is where most disputes start, and where most time is lost. Look for one screen that records, at check-out:

  • what's still owing, and how it was paid;
  • the bond and how it was taken;
  • odometer and fuel;
  • that the licence was sighted and matches the hirer, with a warning if it expires during the hire;
  • the signed agreement.

At check-in, the system should work out late fees, extra kilometres and refuelling from your rates, let you waive a line, and then let you refund the bond, apply it to charges, or hold it while you inspect the car. If staff have to work these out on a calculator, they'll be inconsistent, and customers notice.

3. Bonds and deposits kept apart

A booking deposit secures a booking. A security bond protects you against damage and is meant to come back to the customer. They're different money with different rules, and mixing them up causes real problems: bonds refunded twice, bonds forgotten for months, or a deposit treated as refundable when it wasn't.

Check that the software records them separately, shows you every bond you're holding right now, and holds a bond automatically while damage is being assessed.

4. Agreements customers can sign anywhere

Paper agreements get lost, and an unsigned agreement is a problem you only discover when you need it. Look for:

  • signing on the customer's own phone, from a link or a QR code at the counter;
  • signing on your screen, handed to the customer;
  • a paper option for customers who prefer it, with the scan kept on the booking;
  • your terms, in your layout, not the vendor's template;
  • the signed copy stored with the booking, so anyone can find it later.

One detail worth asking about: who signs? An agreement "signed" by staff typing the customer's name is weak evidence. The customer should sign themselves.

5. Payments: processed or recorded?

This is the question people most often forget to ask. Some rental systems process card payments themselves, through their own payment provider. Others record payments you take with your existing EFTPOS terminal, bank transfer or cash.

Neither is wrong, but they suit different businesses:

  • Processing can be convenient, but you usually pay a percentage of every transaction, and you may need to change how you take money today.
  • Recording keeps your existing terminal and bank, with no per-transaction fee from the software, but someone records each payment.

Whichever you choose, check that every payment is applied to an invoice, that part-payments leave a visible balance, that refunds need someone to approve them, and that payment reminders can go out automatically and stop once a bill is paid.

6. Bookings from the website you already have

Many businesses are told they need a new website to take online bookings. You usually don't. Ask whether the software provides widgets (a search bar, a car listing, an enquiry form) that you paste into your existing site, and whether they can match your colours and fonts.

Then check what happens to a website enquiry: does it land somewhere your team will see it, with who sent it and which page they came from?

7. Fleet compliance and damage

A car on the road past its rego or insurance date is a risk you can't afford. Look for one list of every car's registration, insurance, inspection certificate and service dates, with warnings before they expire. Better still, a warning when a car is booked out past its rego date, so you can renew it before the customer arrives.

For damage, look for inspections with photos and a car diagram at pickup and return, signed off by the customer, and a damage report that follows the problem through to a charge, an insurance claim or a repair.

8. Staff permissions and an audit log

As soon as you have more than one person on the counter, you'll want to control who can void an invoice, approve a refund or change prices. Ask how roles and permissions work, and whether there's an audit log that shows who changed what. You'll need it the first time something goes missing.

9. Your data, in and out

Switching systems is painful, so check both directions before you start:

  • In: can you import your customers and cars from a spreadsheet? Does it check the file first and skip records you already have?
  • Out: can you export your lists, reports and history as CSV at any time, and download everything if you leave?

Software that makes leaving hard is software you'll feel stuck with.

10. How it's priced

Rental software is priced in a few common ways: per vehicle, per user, per booking, or a flat fee per business. Work out what each would cost you today and when you've grown. A per-vehicle price that looks cheap at 15 cars can look very different at 60. A per-user price makes you think twice before giving the weekend casual a login.

Also check what's an add-on. Website bookings, rent-to-own, extra locations and document templates are common extras.

Questions to ask in the demo

Take this list into every demo:

  • Show me a car with a workshop job and a booking, and try to double-book it.
  • Walk me through a check-in with a late return, extra kilometres and half a tank of fuel.
  • Where do I see every bond I'm holding right now?
  • How does a customer sign the agreement if they're not at the counter?
  • Do you process card payments, or record them? What does each payment cost me?
  • How do I add a booking form to my existing website?
  • Which car is next to need its rego renewed?
  • How do I stop a staff member from voiding invoices?
  • How do I get all my data out if I leave?
  • What will I pay at twice my current fleet size?

Where BookandManage fits

We built BookandManage around the five daily jobs above, for independent car hire and rent-to-own businesses. It records payments rather than processing them, works with the website you already have, and costs USD 149 a month per business with unlimited staff, cars and bookings. If you'd like to see it against this checklist, book a demo and bring your questions.