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2026 Comparison Guide

ThinkReservations vs Guestline Comparison

ThinkReservations excels for B&Bs, inns and small hotels in the US wanting a polished system with hands-on help. Guestline fits independent hotels and groups in the UK and Ireland (40 to 300 rooms) running events.

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Updated: Aug 2026 · Reviewed by roommaster hospitality experts · 30+ years industry experience
ThinkReservations vs Guestline Comparison dashboard screenshots
Quick Verdict
ThinkReservations focuses heavily on an exceptional support team, a high-converting booking engine, and genuine ease of use, while Guestline stands out for conference and banqueting handling, native distribution, and payments in one architecture

ThinkReservations Overview vs Guestline Overview

ThinkReservations

Best For
B&Bs, inns and small hotels in the US that want a polished, easy system with excellent support.
Core Strength
Exceptionally well-reviewed small-property PMS with booking engine and channel management, known for its support team.
Pricing
Custom quote. Some capabilities are sold as add-on modules, which reviewers say raises the effective price.
Support & Reliability
Among the best-rated support in the category, described as patient and thorough.
Pros
✓ Outstanding customer support ✓ Very easy to learn ✓ Polished booking engine ✓ Strong fit for inns and B&Bs
Cons
✕ Add-on modules raise the real cost ✕ No published pricing ✕ Some rate rules are confusing to configure ✕ Limited fit above ~50 rooms
Target
Bed and breakfasts, inns, boutique hotels and small lodging businesses in the United States.
vs

Guestline

Best For
Independent hotels and small-to-mid groups in the UK and Ireland needing PMS, distribution and conference handling together.
Core Strength
Enterprise-capable cloud PMS unifying reservations, distribution, payments and conference and banqueting in one architecture.
Pricing
From about $250 per user per month. No free tier.
Support & Reliability
Well-rated support team with quick response times, though training costs are noted for smaller hotels.
Pros
✓ Conference and banqueting built in ✓ Strong UK and Ireland presence ✓ Highly configurable per property ✓ Well-reviewed support team
Cons
✕ Steep learning curve for new staff ✕ Reporting needs expansion ✕ Occasional slowdowns and crashes reported ✕ Per-user pricing adds up
Target
Independent hotels, small chains and groups in the UK, Ireland and Europe, typically 40 to 300 rooms.

ThinkReservations vs Guestline: Head-to-Head Breakdown

A closer look at where each platform wins and where it falls short.

ThinkReservations vs Guestline vs roommaster: Full Comparison

ThinkReservations
Guestline
roommaster

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Now, meet roommaster.

roommaster is the modern, cloud-native hospitality platform trusted by thousands of hotels worldwide. Built by hoteliers, for hoteliers.

See why properties are switching from ThinkReservations and Guestline to roommaster in 2026.

30+
Years in hospitality
97%
Client retention
24/7
Live human support
100+
Hospitality integrations
35%
Higher conversion rates
50%
Faster check-in
60%
Mobile booking growth

Migrating from ThinkReservations or Guestline? Easier than you think.

Our team handles the heavy lifting so your operation stays running through the entire switch.

1

Tailored implementation

We assess your operations, plan the setup, and migrate data securely with zero downtime.

2

Comprehensive training

Your team gets hands-on, role-specific training using your real property setup.

3

Ongoing success partnership

A dedicated success manager, continuous updates, and best-practice consulting.

ThinkReservations vs. Guestline: Why Our Customers Choose roommaster

Hotels that evaluated ThinkReservations or Guestline and switched to roommaster share common reasons.

Everything bundled, not sold module by module

PMS, booking engine and channel manager come in one price, so the quote you accept is the bill you pay.

AI voice concierge captures missed revenue

roommaster Concierge answers guest phone calls around the clock and converts missed calls into bookings.

Hundreds of OTAs with real two-way sync

Rates and availability stay accurate across every connected channel. Overbooking protection is automatic.

Group bookings without compromise

Weddings, corporate blocks, family reunions. roommaster handles group reservations end to end.

Payments, billing and POS in one platform

Integrated payment processing connects directly to the PMS and booking engine. No workarounds needed.

Dedicated account manager from day one

Every hotel gets 24/7 live human support plus a named success manager, backed by three decades of hospitality expertise.

Compare more PMS platforms

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Everything you need to know

Common questions about ThinkReservations, Guestline, and roommaster.