Relay

Relay

Martello Systems
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About

Relay is customer messaging and appointment-operations software for salons, barbers, lash and brow studios, med spas, tattoo studios, pet groomers and other appointment businesses. It brings texts, email, calls, web chat, form inquiries, and connected Facebook and Instagram messages into a shared customer inbox. Businesses can publish booking links, sync calendars with Google Calendar, check availability for conflicts, send appointment reminders, prompt clients to rebook, and notify waitlisted customers when a slot opens. Automated workflows can text back missed callers and follow up with leads. Relay's AI can draft replies for staff approval or send automatic replies, depending on settings. The optional AI Front Desk answers calls and books appointments. The service also includes contact records, forms, pipelines, and API access on qualifying paid plans. Relay is web-based and connects to Martello's stack, including Mycel, its shared business knowledge layer.

About

Time Slot is a WordPress plugin for adding appointment booking to a business website. Site owners configure services, staff schedules, business hours, breaks, holidays, advance notice and buffer times, then publish a booking form using a block, shortcode or supported page-builder widget. The WordPress dashboard supports appointment, service, staff and customer management. The free plugin includes schedule settings, coupons and email confirmations. Time Slot Pro adds payments through Stripe, PayPal or Mollie, two-way Google Calendar sync, SMS notifications through Twilio, reminder emails, custom form fields and customer self-service tools. The product is designed for businesses and professionals that accept appointments or reservations, with documented use cases spanning personal and professional services, fitness, education, events, property services, repairs and recreation.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Appointment businesses, startups, and tech companies that handle customer messages and booking.

Audience

Small businesses and professionals who need an easy way to accept online appointment bookings, including salons, healthcare providers, coaches, educators, fitness professionals, and other service-based businesses using WordPress.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$49/month
A free plan is available. Paid plans start at $49/month or $539/year; annual billing includes one month free. Plans include different contact, seat, messaging, and AI allowances. Extra seats, usage beyond included allowances, and optional modules may cost extra.
Free Version Supported
Free Trial Not Supported

Pricing

$79/year
The free core plugin is available. Time Slot Pro starts at $79/year for one website. Pro subscriptions renew annually and include a 30-day money-back guarantee.
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Martello Systems
Founded: 2026
United States
relaycustomerops.com

Company Information

Time Slot
Founded: 2022
United States
timeslotplugins.com

Alternatives

Alternatives

VOLIXTA

VOLIXTA

HELLO SITE
BarbrFlow

BarbrFlow

Core Haven Labs
SMS Reminder

SMS Reminder

CK Digital
Clienteka

Clienteka

PLWebsites
Booknetic

Booknetic

FS Code
ClicAs

ClicAs

Grupo Clic

Categories

Categories

Appointment Scheduling Features

Appointment Reminders Supported
Automated Scheduling Supported
Calendar Sync Supported
Client Database Supported
Group Scheduling Not Supported
Mobile Access Supported
Multi-Location Not Supported
Online Booking Supported
Online Payments Supported
Recurring Appointments Not Supported
Room Booking Management Not Supported

Integrations

Google Calendar Supported
Beaver Builder Not Supported
Elementor Not Supported
Instagram Supported
Mollie Not Supported
Mycel Supported
PayPal Not Supported
Stripe Not Supported
Twilio Not Supported

Integrations

Google Calendar Supported
Beaver Builder Supported
Elementor Supported
Instagram Not Supported
Mollie Supported
Mycel Not Supported
PayPal Supported
Stripe Supported
Twilio Supported
Claim Relay and update features and information
Claim Relay and update features and information
Claim Time Slot and update features and information
Claim Time Slot and update features and information