Which Appointment Booking Software Suits a Small Business Budget

Straight answer: For most small businesses, Setmore or SimplyBook.me on a low-tier paid plan (£8 to £16 a month) covers everything you need, while Fresha suits businesses that would rather pay per booking than a fixed fee. The mistake nearly everyone makes isn't picking the wrong tool, it's picking a free plan that quietly costs them more in lost bookings than a £15 subscription ever would.

What "budget" means when you're small

When a client tells me they need something for "a small business budget", they usually mean under £30 a month. That's a fair number. Most decent booking tools sit between £0 and £45 a month for a single-location business with one to five staff. Anything above that and you're either paying for enterprise features you don't need, or you've picked the wrong tier by accident.

The confusing bit is that every provider prices differently. Some charge per user, some per location, some per booking volume, and one charges nothing upfront but takes a slice of every card payment. You can't compare them on price alone until you know which model matches how you take bookings.

The actual price of the main tools right now

Here's what you're really looking at, based on current published pricing:

• Setmore: free for one user with unlimited bookings. Paid plans start around £6 to £9 per user per month, billed annually, rising to roughly £12 monthly.
• SimplyBook.me: free plan for up to 50 bookings a month. Basic plan around £8 a month for 500 bookings, Standard around £24 a month for 1,500 bookings, Premium around £45 a month unlimited.
• Acuity Scheduling: Emerging plan around £14 a month, Growing around £22, Powerhouse around £42, all cheaper if paid annually.
• Calendly: free single-user plan is fine for consultants taking one type of meeting. Standard is around £10 per user monthly, Teams around £14.
• Square Appointments: free for one location and one user. Plus plan around £24 a month, Premium around £58 a month, plus card processing fees on top.
• Fresha: no subscription fee at all for the core booking system, but you pay roughly 2.19% plus 20p per card transaction and extra for marketing tools like SMS reminders.

None of these prices are fixed forever, providers change them every year, so check the current figures before you commit. But the shape of the market stays the same: free plans exist mainly to get you hooked, and the real usable tier starts around £8 to £16 a month.

The uncomfortable bit nobody selling you software wants to say

Here's what most comparison articles skip. The free plan is not the cheapest option for a business that takes bookings every day. It looks cheapest on the spreadsheet. It isn't cheapest in your bank account.

Free plans strip out the two features that stop you losing money: automated SMS or email reminders, and card details on file so a no-show costs the client something, not just you. I worked with a mobile beauty therapist last year who was running her diary through Instagram DMs and a free scheduling link. She was losing roughly four appointments a week to no-shows, at an average of £45 a booking. That's £180 a week, over £700 a month, vanishing because nobody reminded the client and nobody had a card on file to charge a cancellation fee.

We moved her to Fresha with automated reminders and a required card on file for new clients. Her no-show rate dropped from around 18% to under 5% within six weeks. She paid transaction fees she didn't pay before, roughly £40 to £60 a month depending on volume, but she got back nearly £600 a month in appointments that would otherwise have quietly disappeared. The "free" version of her booking system was costing her ten times what the paid one did. Nobody selling booking software puts that comparison in their pricing table, because it makes the free plan look like a trap, which for a business taking regular client appointments, it usually is.

Match the pricing model to how you book

This is where most small businesses waste money, not on the subscription itself but on paying for the wrong structure.

• If you take high volume, low value bookings (a barber shop, a nail bar), a flat monthly fee like SimplyBook.me or Setmore beats a per-transaction model, because Fresha's percentage fee adds up fast across dozens of small bookings a day.
• If you take low volume, high value bookings (a consultant, a coach, a photographer), a free or near-free tool like Calendly's basic plan is often enough, because you're not losing enough revenue per no-show to justify paying for card-on-file protection.
• If you've got two to five staff sharing a calendar, check whether the provider charges per seat. Setmore and Acuity both do, and that £9 a month quietly becomes £45 a month once you add four team members.

I've written a longer walk-through of this exact decision, matching booking volume and business type to the right tool, in how to choose an appointment booking system that works for your business, if you want the fuller version of this logic.

Step by step: how to pick without wasting a month testing tools

This is the process I use with clients, in this order:

• Step 1: Work out your real average no-show rate for the last three months. Most owners guess this at half the real number. Check your actual diary.
• Step 2: Multiply that by your average booking value. That figure is what card-on-file and reminders are worth to you monthly, and it tells you whether a paid plan pays for itself.
• Step 3: Check how many staff need their own calendar. If it's one, ignore per-seat pricing entirely and look at flat-fee tools first.
• Step 4: Test the free trial with real bookings for one week, not fake test appointments. You'll spot the annoying bits, like clunky rescheduling or ugly confirmation emails, faster with real clients.
• Step 5: Check the cancellation policy and data export before you sign anything annual. Some providers make it needlessly hard to get your client list out if you leave.

If you're setting this up for the first time from scratch, the mechanics of connecting your calendar, payment processor and website are covered in how to set up an online booking system for your business.

Features you'll pay for and never open

Most mid-tier and top-tier plans bundle in things small businesses rarely touch: class scheduling for group sessions, membership and package selling, inventory tracking, and multi-location reporting dashboards. If you're a one to three person business, you're often paying £15 to £20 extra a month for a dashboard you'll open twice a year.

Before you upgrade a tier because a feature "sounds useful", write down the last time you needed it. If the answer is never, don't pay for it. This is where booking software companies make real margin, upselling features to businesses that will never use them, dressed up as "growth plans".

If you're deciding between the scheduling side of things and a wider platform, how to choose online scheduling tools for client bookings breaks down the difference between a scheduler and a full booking system, which matters more than people think when comparing prices, because you might be comparing a £10 scheduler against a £40 full business platform and wondering why one's cheaper.

Many buyers now see an AI answer before any website, and my data on AI Overviews for software searches shows where that answer comes from.

Multiple staff changes the maths completely

A solo consultant and a five-person clinic should never use the same pricing tier, but a lot of small businesses copy whatever a friend recommended without checking staff-based pricing. Per-seat plans can double or triple your monthly cost the moment you add team members, and some providers charge for staff who only need view access, not full calendar control.

If you've got more than one person taking bookings, it's worth reading through how to set up online booking tools for multiple staff before you pick a plan, because the setup choices you make early (shared calendar vs individual logins) directly affect which pricing tier you need.

Where AI fits into this, and where it doesn't

A few booking platforms now advertise "AI scheduling assistants" that predict no-shows or auto-fill gaps in your diary. For a small business under five staff, this is mostly marketing dressing on a small feature. It doesn't move the needle the way reminders and card-on-file do. If AI is part of your wider business plan rather than one bolted-on booking feature, it's worth thinking about separately, and if you're weighing up outside help on that front, an AI consultant for small business can tell you honestly whether it's worth paying for or whether it's noise.

Also worth a quick check if you're UK-based and storing client contact details and payment info: not every booking tool handles data the way UK law requires, and the marketing pages don't always tell you the truth about it. Worth a read before you commit any client data to a new system.

You may also be wondering: what is an AI appointment setter and can it book calls?

My honest recommendation by business size

• Solo, low no-show risk (consultants, coaches, freelancers): Calendly free or Standard plan, around £0 to £10 a month.
• Solo or two-person, appointment-based with real no-show risk (therapists, tutors, mobile trades): Setmore or SimplyBook.me Basic, around £6 to £16 a month.
• Three to ten staff, high volume walk-in style (salons, barbers, clinics): Fresha for the transaction model, or SimplyBook.me Standard for the flat fee, depending on your average ticket size.
• Multi-location or franchise-style: Acuity Powerhouse or Square Premium, but budget for these, they're rarely under £40 a month once you add all locations.

If none of that quite fits your setup, the closest thing to a decision tree for matching business type to booking app is in how to find a booking app that suits your business type, which goes deeper into industry-specific quirks than I've covered here.

Related reading: davinci resolve learning curve.

Related: software (this site).

If you are still choosing, my roundup of online booking software and scheduling tools compares the main options.

Frequently asked questions

Is there a free appointment booking software good enough for a small business?

Yes, for very low no-show risk businesses like consultants or coaches taking one meeting type, Calendly's free plan or Setmore's single-user free plan cover the basics. For businesses with regular client no-shows and card-based cancellation fees, the free tier usually costs more in lost bookings than a paid plan would.

What is the cheapest paid appointment booking software?

SimplyBook.me's Basic plan and Setmore's entry paid tier are typically the cheapest usable options, both sitting around £6 to £9 a month for a single user with reminders and payment collection included.

Do appointment booking apps charge transaction fees on top of the subscription?

Some do and some don't. Fresha charges no subscription but takes roughly 2.19% plus 20p per card transaction. Square Appointments and some Acuity plans charge subscription plus separate card processing fees. Setmore and SimplyBook.me's paid plans mostly avoid extra transaction fees unless you add specific payment integrations.

How much should a small business realistically budget monthly for booking software?

Between £8 and £30 a month covers the vast majority of small businesses with one to five staff. If your quote comes in above £45 a month for that size of business, check whether you're paying for features you'll never use, like group class scheduling or multi-location reporting.

Useful references

• the UK government's business support pages

Want this done for you? See free online booking tools for small business.