Bra Size Calculator vs SimplyBook.me: Which Is Better in 2026?

Bra Size Calculator turns underbust and bust measurements into a starting band and cup size. Supports quick or six-measurement modes, sister sizes, US/UK/EU/FR/AU conversions, and an optional try-on journal. Measurements stay on your device. A size to try—not a guarantee of fit.

SimplyBook.me is an all-in-one online booking system for service-based businesses that want to accept appointments, manage clients, take payments and grow — without building any of it themselves. It is one of the most feature-rich booking platforms available, with a modular approach that lets each business switch on exactly the capabilities it needs.

What is SimplyBook.me?

SimplyBook.me gives you a customizable booking website or a widget you embed on your own site, so clients can book around the clock. Behind it sits client management, automated reminders, payment processing, and a large library of add-on "custom features" — memberships, classes, gift cards, intake forms and more — that you enable as required, so the system grows with the business rather than overwhelming it on day one.

Who it's for

SimplyBook.me serves a wide spread of industries: beauty and wellness, medical and healthcare, fitness, education, legal, events and personal services. It scales from solo practitioners to large, multi-location enterprises, and its compliance features make it suitable even for healthcare settings that need to handle sensitive data carefully.

Key features

• Customizable booking websites and embeddable widgets
• Automated reminders and updates via WhatsApp, SMS and email
• Payment processing through Stripe, PayPal and other providers
• Calendar sync with Google Calendar and Outlook
• Client and admin mobile apps
• Memberships, packages and class scheduling
• A point-of-sale (POS) system for in-person transactions
• Social-media booking via Facebook, Instagram and Google, plus AI setup assistants

Reminders that actually reach clients

No-shows are the quiet tax on any appointment business, and SimplyBook.me fights them hard with automated reminders across WhatsApp, SMS and email — meeting clients on whichever channel they actually check. Combined with the option to require payment or deposits at booking, it gives service businesses real levers to protect their calendar and their revenue.

Modular features that fit any business

SimplyBook.me's design philosophy is a core booking engine plus a menu of custom features you toggle on. Need memberships, gift cards, class scheduling, intake forms, a POS or social booking? Switch them on; ignore what you do not need. That modularity is why such different businesses — a barber, a clinic, a driving school, a spa chain — can each shape it to their exact workflow without paying for bloat.

Enterprise-grade trust

For businesses handling sensitive bookings, SimplyBook.me brings serious credentials: ISO 27001 certification, GDPR compliance, HIPAA-enabling features and multi-location management, backed by live human support with wide weekday availability. That combination of flexibility and trust is why it is used well beyond small shops, into larger and regulated organizations.

Sell in person and online

SimplyBook.me is not limited to taking bookings — it helps businesses sell across every touchpoint. Its built-in POS handles in-person transactions at the counter, while memberships, packages and gift cards create recurring and prepaid revenue that smooths out cash flow. Clients can even book directly from a business's Facebook, Instagram or Google profile, turning social presence into actual appointments. Together these turn a booking page into a small commerce engine for a service business.

Why choose SimplyBook.me

For a service business that wants a powerful, flexible booking system it can tailor precisely — from reminders and payments to memberships, POS and compliance — SimplyBook.me is one of the most capable choices on the market. A free trial with no card required makes it easy to try, and the modular features mean it fits everything from a solo provider to a multi-site enterprise.