Why text beats email for reminders
Email open rates for appointment reminders hover around 20–30%. SMS open rates run above 90%, and most texts are read within 3 minutes of arriving. If the goal is actually getting in front of a client before their appointment — not just technically having sent a reminder — text is the format that does the job.
That doesn't mean drop email entirely — it means SMS should carry the reminders that matter most.
The timing that works
- 72 hours before (email): full appointment details and your policy — this one doesn't need to be a text
- 24 hours before (email or SMS): gives clients time to cancel if they need to, so you can rebook the slot
- 2 hours before (SMS): catches same-day forgetfulness, most useful for short appointments like haircuts
Sending more than this starts to feel like spam and can actually increase opt-outs. Three well-timed touches beat five nagging ones.
Match the reminder to your cancellation window
Work backwards from the last point when a cancelled slot can realistically be filled. A busy barber may be able to refill a next-day opening, while a long consultation or mobile appointment may need more notice. Put the cancellation deadline in the earlier email, then use the final SMS as a concise day-of prompt. If your policy and reminder timing contradict each other, clients will not know which deadline applies.
Message wording that gets a response
A good reminder text is short, specific, and gives the client an easy way to act:
Hi Sarah, this is a reminder of your haircut appointment tomorrow at 2:00pm with Jordan at Northline Studio. Reply CANCEL if you need to reschedule.
Notice what this does:
- Names the client, service, time, and staff member — no ambiguity about which appointment
- Includes your business name (texts from an unknown number get ignored or reported as spam)
- Gives a one-word way to act, rather than forcing them to call
Opt-in rules in Canada
Canada’s anti-spam legislation (CASL) governs commercial electronic messages, including SMS. Appointment reminders tied to a service the client actually booked are generally treated as transactional rather than promotional — but the safest approach is still explicit consent at booking (a checkbox or a clear statement that booking includes reminder texts) and an easy opt-out on every message. Don't reuse appointment-reminder consent to send unrelated marketing texts — that's a different consent category.
What to do when someone doesn't respond
Silence isn't confirmation — most clients simply don't reply to a reminder they have every intention of keeping. Treat a non-response as normal, and reserve a phone call for high-value appointments where a no-show would be particularly costly (a long spa treatment, a new-client consultation).
A practical setup checklist
- Confirm that every booking captures a current mobile number and clearly explains transactional reminders.
- Put the appointment time, service, business name, and a cancellation or rescheduling path in each message.
- Align the first reminder with your cancellation-policy window.
- Test the flow with your own number before enabling it for clients.
- Review no-shows, late cancellations, replies, and opt-outs after four weeks; keep the cadence only if it helps clients act in time.
Reminders work best as one layer of a clear attendance process. For higher-cost appointments, combine them with an understandable policy and, where appropriate, appointment deposits rather than sending more messages.
How this looks in Waine
Waine keeps booking confirmations and appointment updates connected to the real appointment record. Paid plans add scheduled email reminders at 72 and 24 hours; Professional and Business add an SMS reminder 2 hours before the appointment. See the exact plan and workflow details on the SMS appointment reminders page.