DIRS21 One vs. HotelSync Booking Engine: Which Is Right for You?

Updated May 15, 2026  ·  80 verified reviews analyzed

TLDR

We analyzed 80 verified hotelier reviews, compared feature sets, pricing, and real-world case studies to break down where each platform delivers. The right choice depends on your property type and priorities:

DIRS21 by TourOnline AG shines , with exclusive features like Facebook conversion tracking and Tripadvisor Bookings.

HotelSync shines in ease of use and customer support , with exclusive features like Pre-stay emails and Post-stay emails.

See the full breakdown below ↓

How Does DIRS21 One Compare to HotelSync Booking Engine?

Side-by-side ratings based on 80 verified hotelier reviews on HTR.

HTScore
0
83
Likelihood to Recommend
0%
100%
Ease of Use
0.0/5
5.0/5
Customer Support
0.0/5
5.0/5
Value for Money
0.0/5
5.0/5
Starting Price Contact sales From $600/mo
Verified Reviews 0 80

What Are the Pros and Cons of DIRS21 One vs HotelSync Booking Engine?

After analyzing 80 verified reviews, DIRS21 by TourOnline AG users most value its , while HotelSync users highlight automation and efficiency, user-friendly navigation, integration capability. Click any theme to see what reviewers say.

DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
Pros
+ Automation and Efficiency
+ User-Friendly Navigation
+ Integration Capability
+ Mobile Compatibility
Cons
Booking Calendar Functionality
Inventory Tracking Improvements
Payment Tracking Enhancements

DIRS21 by TourOnline AG vs HotelSync: Rankings by Hotel Segment

How each product ranks among Booking Engine vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.

By Hotel Size

Segment DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
Small (10-24 rooms) #13 38 reviews
Mid-Size (25-74 rooms) #19 27 reviews
Large (75-199 rooms) #38 1 reviews

By Property Type

Segment DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
Boutique #20 26 reviews
Luxury #18 22 reviews
Branded / Chain #21 12 reviews
Extended Stay #12 15 reviews

By Region

Segment DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
North America #25 2 reviews
Europe #9 75 reviews
Asia Pacific #27 1 reviews

The Decision

Choosing the right booking engine for your hotel hinges on understanding how each platform addresses your specific needs. DIRS21 by TourOnline AG aims to serve as a comprehensive, highly customizable system with deep integration options, while HotelSync focuses on simplicity, user-friendliness, and broad regional presence. Both products tackle online distribution and direct booking challenges, but they diverge significantly in features, support, and market reach.

Ultimately, your decision should reflect your hotel’s size, growth plans, and technical capacity. Are you prioritizing a feature-rich, modular system or seeking an easy-to-use platform with proven support? Let’s compare these two options in detail.

Is DIRS21 or HotelSync Better for Hotels?

DIRS21 and HotelSync both provide solutions to increase direct bookings and streamline hotel operations. DIRS21 offers a flexible, modular platform designed for hotels seeking extensive customization and integration, especially in European markets. HotelSync emphasizes ease of use, quick deployment, and global reach, with recent reviews indicating high satisfaction among users.

While DIRS21’s review count and recent feedback are limited, the platform’s reputation for customization makes it suitable for hotels with complex needs or those in Europe. Conversely, HotelSync has a robust, recent review base (73 reviews, 14 in the last six months), with a 100% likelihood to recommend. Do you prefer a highly adaptable system or a simple, proven solution? The choice depends on your hotel’s technical readiness and growth ambitions.

HotelSync vs DIRS21: Which Should Your Hotel Choose?

If your hotel needs a straightforward, highly-rated booking engine with quick onboarding and international support, go with HotelSync. It’s ideal for mid-sized to large hotels seeking a reliable, easy-to-implement solution with a 5/5 overall rating and broad regional presence. HotelSync’s recent reviews highlight its simplicity, comprehensive features like pre- and post-stay emails, and strong customer support.

If your hotel requires a highly customizable, modular platform that can integrate with a wide range of partners and adapt to complex workflows, DIRS21 might be better. Its features include Facebook conversion tracking, Tripadvisor bookings, and ADA compliance, making it suitable for hotels that want to optimize online distribution in Europe. However, its review count and recent feedback are limited, so consider your hotel’s capacity for managing a more complex system.

Is DIRS21 or HotelSync Easier to Use?

HotelSync’s UI scores nearly perfect at 4.99/5, with reviews praising its simplicity and straightforwardness. Users mention that even staff with limited tech skills find it intuitive, and onboarding is rated highly at 4.96/5, indicating a smooth start. Customers also cite ease of management and accessibility across devices.

DIRS21’s user ratings are not available, but its focus on customization suggests a steeper learning curve and potentially more complex onboarding processes. Its review count is zero, and there are no recent user comments to support ease of use claims. Edge: HotelSync.

Which Has Better Features: DIRS21 or HotelSync?

DIRS21 boasts 30 shared features plus 3 exclusive features like Facebook conversion tracking, Tripadvisor bookings, and ADA compliance, tailored for European markets. It’s more feature-rich in niche integrations but lacks automation and email marketing functionalities.

HotelSync offers 30 shared features but also includes 10 unique ones such as pre- and post-stay emails, automated reporting, booking abandonment recapture, and multiple payment options including Stripe, Apple Pay, and Google Pay. Its emphasis on automation and guest engagement features gives it an edge. Edge: HotelSync.

Which Has Better Customer Support: DIRS21 or HotelSync?

HotelSync’s support is rated at 4.97/5, with recent reviews emphasizing its responsive, helpful team. Hoteliers describe the support as “excellent,” with clear onboarding and ongoing assistance, which is critical for rapid implementation and troubleshooting.

DIRS21’s support ratings are unavailable, and with no recent reviews, it’s difficult to assess support quality. Its absence of customer feedback on support suggests HotelSync’s support quality is more reliable and proven. Edge: HotelSync.

Which Has More Integrations: DIRS21 or HotelSync?

DIRS21 excels with 31 verified partners, including major players like Oracle Hospitality, RateBoard GmbH, and HotelPartner Revenue Management, offering extensive customization options for European hotels. Its broad partner network supports complex distribution needs.

HotelSync has 11 verified integrations, including key systems like WuBook, GuestJoy, Stripe, and PriceLabs. While fewer, these integrations cover essential revenue management and payment functions, with shared partners like SiteMinder and The Hotels Network. Edge: DIRS21.

Which Do Hoteliers Rate Higher: DIRS21 or HotelSync?

HotelSync enjoys a strong reputation, with a 5/5 overall rating from 69 reviews, and recent feedback highlights its ease of use and support. Hotels of various types—luxury, boutique, city center—rate it highly, indicating broad appeal.

DIRS21’s reviews are nonexistent, so there is no recent user feedback or ratings to evaluate. Given HotelSync’s large, recent review base, it clearly holds the higher customer satisfaction score. Edge: HotelSync.

How Much Do DIRS21 and HotelSync Cost?

DIRS21’s pricing is not publicly available, which may indicate customized quotes or higher costs, typical for enterprise or highly tailored solutions. HotelSync charges a flat fee of $600 per month, with no free tier or setup fees, offering transparent, predictable pricing.

Your budget and willingness to invest upfront will influence your choice. HotelSync’s clear pricing makes it easier to plan and compare against your budget constraints.

What Type of Hotel Should Use DIRS21?

  • Hotels that need extensive customization and integration, particularly in Europe.
  • Properties with complex workflows requiring modular, scalable systems.
  • Hotels seeking to enhance their online direct booking efforts with advanced tracking and compliance features.
  • Teams that value a flexible platform tailored to specific operational needs.

Not ideal if your hotel prefers a simple, plug-and-play solution or has limited technical staff.

What Type of Hotel Should Use HotelSync?

  • Hotels seeking a straightforward, quick-to-deploy booking engine.
  • Mid-sized or large properties wanting strong automation features like emails and analytics.
  • Hotels in regions outside Europe needing broad international support.
  • Properties prioritizing ease of use and support over extensive customization.

Not ideal if your hotel requires highly specific integrations or a customized European-focused platform.

The Bottom Line for Hotels

DIRS21 by TourOnline AG offers a customizable and extensive booking system suited for hotels with complex distribution needs, especially in Europe. Its limited recent review data makes it harder to assess current user satisfaction, but its feature set and partner network are impressive.

HotelSync provides a highly-rated, easy-to-use booking engine with recent positive reviews, broad integrations, and automation features. It’s ideal for hotels that want a reliable, straightforward platform with strong support and transparent pricing.

If your hotel values deep customization, regional specialization, and extensive integrations, choose DIRS21. Its flexibility supports growth and complex needs but demands more management.

If your priority is a simple, proven solution with excellent support and automation, HotelSync is the better option. Its recent reviews and high satisfaction ratings make it a safe, scalable choice for most mid- to large-sized hotels.

In summary, for most hotels—especially those seeking quick deployment, ease of use, and strong support—HotelSync emerges as the preferable choice. For hotels needing a highly tailored, scalable European platform, DIRS21 remains a compelling option, provided your team can manage its complexity.

How Much Do DIRS21 One and HotelSync Booking Engine Cost?

Booking Engine pricing is rarely straightforward. Here is what we know from each vendor's public pricing data. Always request a custom quote for your property size.

DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
Starting Price From $600/mo

Which Features Does DIRS21 One Have That HotelSync Booking Engine Doesn't (and Vice Versa)?

According to HTR's product database, DIRS21 One and HotelSync Booking Engine share 30 features. Here are the key differences — features one has that the other lacks.

Feature DIRS21 by TourOnline AG DIRS21 by TourOnline AG HotelSync HotelSync
ADA Compliant
Automated reporting
Booking abandonment recapture
Facebook conversion tracking
Post-stay emails
Pre-stay emails
Social Media Integration/Bookings
Stripe
Tripadvisor Bookings

Showing top differences. 1 more features differ between these products.

Real-World Results: DIRS21 by TourOnline AG vs HotelSync by Business Goal

We analyzed 2 verified case studies to compare what hotels actually achieve with each platform across four key business objectives.

Increase Operational Efficiency
DIRS21 by TourOnline AG DIRS21 by TourOnline AG

No published case study for this goal yet.

HotelSync Hotel Porto Palace Mid-Size
+ Reducing weekly time to manually make reservations, check-ins and all front-desk operations.
+ By implementing OTA Sync Property Management System they have more time to dedicate to and directly communicate with guests booking through OTA channels via chat, thanks to the Omni-channel inbox and CRM.
+ Onboarding, training, and new feature use is simplified thanks to quick and easy access to customer support and knowledge base.

"This system is easy to implement, a lot of our team has previously used Opera on premise, but with OTA Sync we get more functionalities and system is way more user friendly for sma..."

Gordana Sundic
Gordana Sundic
Front Desk Manager
Improve Guest Experience
DIRS21 by TourOnline AG DIRS21 by TourOnline AG

No published case study for this goal yet.

HotelSync Hotel Rajska Mid-Size
+ Using OTA Sync software, the team has achieved a 73% increase in overall productivity compared to the period when they were not using the software.
+ In addition to the mobile application, a notable enhancement is the SPA & Wellness module, which has enabled the hotel to offer high-quality services to guests. Managing appointments and overseeing spa reservations during the winter season has significantly streamlined operations during peak times.
+ The focus on guest communication and personalized services during guest stays has led to an increase in guest satisfaction and loyalty.

"The app has saved us a lot of time, it's very easy to monitor and use, providing comprehensive control and access to all reports in just a few clicks. Additionally, our staff quick..."

DIRS21 by TourOnline AG vs HotelSync: The Bottom Line

DIRS21 by TourOnline AG
DIRS21 by TourOnline AG
0.0/5 from 0 reviews

Unique capabilities

Facebook conversion tracking Tripadvisor Bookings ADA Compliant
0.0/5 ease of use 0.0/5 support 31 integrations
Visit Profile
HotelSync
HotelSync
5.0/5 from 80 reviews

What hoteliers love

Automation and Efficiency 100% positive

OTA Sync's automation capabilities reduce manual intervention, saving hotel staff valuable time. Users mentioned that features like the PMS streamline... OTA Sync's automation capabilities reduce manual intervention, saving hotel staff valuable time. Users mentioned that features like the PMS streamline operations, such as front desk management and housekeeping coordination.

User-Friendly Navigation 100% positive

The software is recognized for its ease of use, which adds value to the hotel management process. It allows easy management of reservations and effici... The software is recognized for its ease of use, which adds value to the hotel management process. It allows easy management of reservations and efficient guest communication, leading to a smooth operation and enhanced guest satisfaction.

Integration Capability 100% positive

OTA Sync users appreciate how the software seamlessly integrates with channel managers and additional systems, increasing hotel efficiency and improvi... OTA Sync users appreciate how the software seamlessly integrates with channel managers and additional systems, increasing hotel efficiency and improving the booking process. This helps in synchronizing reservations and managing room inventories effectively.

Where hoteliers push back

Booking Calendar Functionality 50% negative

Some users suggest improvements in the booking calendar tool, particularly in maintaining group booking visibility. This would aid hoteliers in managi... Some users suggest improvements in the booking calendar tool, particularly in maintaining group booking visibility. This would aid hoteliers in managing reservations and recognizing group structures easily.

Inventory Tracking Improvements 100% negative

Despite the software's overall efficiency, some reviews highlighted the need for better inventory tracking options, particularly concerning additional... Despite the software's overall efficiency, some reviews highlighted the need for better inventory tracking options, particularly concerning additional services, which could enhance the overall functionalities of the software.

Unique capabilities

Pre-stay emails Post-stay emails Automated reporting Booking abandonment recapture Social Media Integration/Bookings
5.0/5 ease of use 5.0/5 support 11 integrations
Visit Profile

Where the ratings diverge most

Overall Rating HotelSync 5.0 vs 0.0 (+5)
Ease of Use HotelSync 5.0 vs 0.0 (+5)
Customer Support HotelSync 5.0 vs 0.0 (+5)
Value for Money HotelSync 5.0 vs 0.0 (+5)
Onboarding HotelSync 5.0 vs 0.0 (+5)

Frequently Asked Questions About DIRS21 One vs HotelSync Booking Engine

Can DIRS21 One replace HotelSync Booking Engine?

It depends on your requirements. DIRS21 One and HotelSync Booking Engine share many core Booking Engine features, but each has unique capabilities. DIRS21 One offers 31 verified integration partners, while HotelSync Booking Engine offers 11. Review the feature comparison above to see where they differ before switching.

Which is better for small or independent hotels?

Small hotels should prioritize ease of use and fast onboarding. HotelSync Booking Engine leads in ease of use at 5.0/5 vs 0.0/5. Look for transparent pricing and a trial or demo option. Filter reviews on each product page by property size to hear from hotels like yours.

Do DIRS21 One or HotelSync Booking Engine offer a free plan?

DIRS21 One: No. HotelSync Booking Engine: No. Neither product currently offers a free tier. Most Booking Engine vendors offer demos or trials — request one from each to evaluate before committing.

How Does HTR Evaluate and Rank DIRS21 One and HotelSync Booking Engine?

The HT Score is a composite ranking that considers 4 criteria groups and over a dozen variables to help hoteliers objectively compare hotel technology products. DIRS21 by TourOnline AG has an HT Score of 0 and HotelSync has 83. Here is how the score is calculated.

Criteria Group Weight What It Measures
Customer Ratings & Reviews

How highly do users recommend this product?

Ratings Score, Review Volume, Share of Voice, Review Depth, Review Recency, Success Stories

The most heavily weighted factor. Analyzes average satisfaction ratings (likelihood to recommend, ease of use, support, ROI), total review count relative to category peers, review recency (at least 20 reviews in the trailing 6 months), and share of voice across unique hotel clients to detect selection bias.

Partner Ecosystem

How highly do tech partners recommend this company?

Partner Recommendations, Integration Quantity, Integration Quality

Evaluates partner recommendations as expert votes of confidence, the number of verified integrations, and ecosystem quality — the average HT Scores of integration partners. Products with higher-quality integration ecosystems are more likely to deliver a connected tech stack.

Customer Centricity

How customer-centric is this organization?

Certified Support, Review Consistency, Profile Completeness

Assesses whether the company has earned HTR Customer Support Certification, maintains consistent review collection over time (an indicator of feedback-driven culture), and keeps product profiles complete with capabilities, screenshots, pricing, and features.

Reach, Staying Power & Resources

How extensive is this company's reach and resourcing?

Geographic Reach, Staying Power, Company Resources, Trending Score

Measures global presence (countries and regions served), years in business as a stability proxy, team headcount as a resource proxy, and a trending score based on trailing-twelve-month buyer inquiries, reviews, partner recommendations, and press activity.

Customer ratings and reviews are by far the most important factor in the HT Score algorithm. HTR does not accept payment for higher rankings. All reviews are verified — only hotel industry practitioners with confirmed affiliations can submit ratings. View full HT Score methodology →

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