Prostay vs. Guestline (Rezlynx PMS):
Which Is Right for You?

The Decision

Choosing the right property management system (PMS) is vital for your hotel’s operational efficiency and guest satisfaction. Prostay by Prostay and Guestline (Rezlynx PMS) are two leading options, each designed to streamline hospitality management. While both aim to improve reservations, billing, and guest communication, they diverge significantly in features, market presence, and user experience. Your decision hinges on which system aligns better with your hotel’s size, complexity, and technological needs.

Prostay offers a straightforward, easy-to-use system with a focus on resorts and larger properties. Guestline, on the other hand, provides a feature-rich, cloud-based solution with a broader third-party integration network, making it suitable for hotels seeking advanced digital capabilities. Do you want a simple, robust system or a comprehensive platform with extensive integrations?

Is Prostay or Guestline Better for Hotels?

Prostay and Guestline target different hotel segments and operational needs. Prostay, with a 0/5 rating from only 5 reviews, appears to cater mainly to resorts and larger properties looking for a reliable, easy-to-operate PMS. Its reviews highlight user-friendly workflows, automation, and comprehensive reporting, emphasizing speed and staff training efficiency.

Guestline, rated 4.53/5 from 134 reviews, has a larger and more recent review base, indicating active users across a broad hotel spectrum. It offers a cloud-hosted, versatile PMS suited for independent hotels, city properties, and boutique establishments aiming for revenue optimization, complex group management, and extensive integrations.

Your choice depends on whether you prioritize simplicity and ease (Prostay) or advanced features and integrations (Guestline). Would you prefer a straightforward system or one packed with customizable modules?

Prostay vs Guestline: Which Should Your Hotel Choose?

If your hotel needs a straightforward, easy-to-train PMS with reliable automation—particularly if you operate resorts or large properties—Prostay is the clear choice. Its high support scores, simple onboarding, and well-reviewed automation features make it ideal for teams that prioritize operational speed and staff efficiency.

If your hotel requires a flexible, cloud-based platform with guest CRM, multi-currency support, and extensive third-party integrations, Guestline is better suited. Its comprehensive modules for online check-in, guest messaging, and dynamic pricing support hotels looking to enhance guest experience and revenue management.

For small boutique hotels, Prostay’s streamlined approach might suffice. Larger or more complex properties seeking in-depth customization should lean toward Guestline’s broader feature set.

Is Prostay or Guestline Easier to Use?

Prostay boasts an ease of use rating of 4.8/5 from a tiny review base, with users describing it as “professional, intuitive, user-friendly.” Its onboarding process is rated 4.8/5, and users report quick staff adoption, with commentaries emphasizing “faster staff training” and “operations that just work.”

Guestline, rated 4.47/5, is recognized for its user-friendly interface, but some users highlight a learning curve due to its extensive features. Support during onboarding is also praised but noted to face occasional delays. Overall, Prostay’s smaller user base and fewer reported issues suggest a smoother implementation.

Edge: Prostay.

Which Has Better Features: Prostay or Guestline?

Prostay offers 32 shared features with five exclusive modules, including on-premise deployment, automated space optimization, room assignment rules, and a dedicated spa & wellness module. Its proprietary POS and offline capabilities are standout features valued by resorts needing operational flexibility.

Guestline, with 19 exclusive features and a total of 51, includes guest CRM, digital registration, online check-in, integrated payment terminals, mobile housekeeping, and guest messaging. Its vast third-party integrations, including Criton, Sage, and RevControl, support a highly connected, customizable environment.

In terms of sheer feature count, Guestline's broader set makes it more versatile. However, Prostay’s focus on automation and onsite control offers distinct advantages for specific hotel types.

Edge: Guestline.

Which Has Better Customer Support: Prostay or Guestline?

Prostay’s ratings reflect a perfect score of 5/5, with reviews praising “support that is superb,” “quick,” and “polite,” even highlighting staff willing to stay over shifts to resolve issues. Its dedicated support and straightforward onboarding lead to high satisfaction and quick problem resolution.

Guestline, rated 4.41/5, generally provides good support, but some reviews note slow responses and inconsistencies. Users appreciate the training but report occasional delays during system issues, especially when complexity increases.

Based on recent reviews, Prostay’s support appears more reliable and responsive.

Edge: Prostay.

Which Has More Integrations: Prostay or Guestline?

Guestline integrates with 95 verified partners, including Criton, Sage, and RevControl, offering extensive connectivity with OTAs, EPOS, and payment systems. Its broad ecosystem supports multi-channel distribution and revenue management, making it suitable for hotels with complex distribution needs.

Prostay connects with only two verified partners—Stripe and STAAH—focusing more on core PMS functions and automation. Its limited integrations suit properties that prefer an all-in-one system without extensive third-party connections.

If integrations are critical for your operations, Guestline has a clear advantage.

Edge: Guestline.

Which Do Hoteliers Rate Higher: Prostay or Guestline?

Guestline’s 4.53/5 rating from 134 reviews indicates a highly satisfied user base, especially among independent hotels and boutique properties. Recent reviews emphasize its user-friendliness, robust features, and support, with comments like “easy to learn and train staff” and “excellent support from staff.”

Prostay’s 0/5 rating from only five reviews suggests weak data and limited feedback, making it unreliable as a performance indicator. Its reviews are unanimously positive but too few to compare directly.

Given the volume and recency, Guestline receives higher ratings from hoteliers.

Edge: Guestline.

How Much Do Prostay and Guestline Cost?

Prostay’s pricing starts at $600 monthly, with no free tier or trial, and no implementation fees. Its straightforward pricing reflects its targeted, smaller scale operation focus.

Guestline’s pricing details are not publicly listed, reflecting its enterprise-oriented approach. Typically, cloud-based PMS solutions like Guestline charge based on property size and modules, often with custom quotes.

For transparent budgeting, Prostay’s fixed pricing simplifies decision-making, but Guestline’s flexible pricing may cater better to larger, complex properties.

What Type of Hotel Should Use Prostay?

• Hotels that operate resorts or large properties seeking reliable automation.
• Teams prioritizing easy staff training and fast onboarding.
• Properties that need offline operation capabilities.
• Hotels looking for a straightforward, integrated PMS without extensive third-party integrations.
• Resorts requiring automation in room allocation and space optimization.

Not ideal if your hotel needs advanced guest CRM, multi-currency support, or extensive third-party integrations.

What Type of Hotel Should Use Guestline?

• Independent hotels, boutique properties, or city center hotels aiming to maximize revenue.
• Teams that want a cloud-based, feature-rich PMS with guest CRM and digital check-in.
• Hotels requiring multi-lingual, multi-currency support.
• Properties managing conference, events, and group bookings.
• Hotels looking for a highly customizable solution with numerous third-party integrations.

Not ideal if your hotel prefers a simple, on-premise system or has limited IT resources.

The Bottom Line for Hotels

Prostay excels in simplicity, automation, and support, making it a strong choice for resorts and properties that prioritize operational speed and staff ease. It’s especially suited for hotels that need offline capabilities and straightforward management.

Guestline offers a comprehensive, cloud-based platform with a broad feature set, ideal for hotels seeking advanced digital tools, extensive integrations, and revenue management capabilities. Its larger review base and recent feedback make it a proven option for property owners aiming for growth and efficiency.

Choose Prostay if you want a reliable, easy-to-implement system with excellent support. Opt for Guestline if your hotel needs a flexible, feature-rich platform capable of supporting complex operations and integrations.

In summary, for most active, well-reviewed solutions, Guestline stands out as the more proven choice, especially given its stronger recent review data.