The project dashboard is a free tool that is only available to verified hoteliers to make adopting new technology easier by streamlining their research and simplifying their communication workflow.
TLDR
We analyzed 328 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:
Clock shines in ease of use and customer support — especially for independent properties (4.8/5) , with exclusive features like Payment processing and Revenue management module.
isystems shines .
Side-by-side ratings based on 328 verified hotelier reviews on HTR.
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| Starting Price | From $600/mo | Contact sales |
| Verified Reviews | 328 | 0 |
After analyzing 328 verified reviews, Clock users most value its feature richness, operational efficiency, responsive support and regular updates, while isystems users highlight . Click any theme to see what reviewers say.
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Feature Richness
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Operational Efficiency
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Responsive Support and Regular Updates
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Ease of Use for Training
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Error Messages
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Reporting Feature
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How each product ranks among Property Management Systems vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.
By Hotel Size
| Segment |
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isystems |
|---|---|---|
| Small (10-24 rooms) ▾ | #11 117 reviews | — |
| Mid-Size (25-74 rooms) ▾ | #7 157 reviews | — |
| Large (75-199 rooms) ▾ | #17 9 reviews | — |
| X-Large (200+ rooms) ▾ | #11 5 reviews | — |
By Property Type
| Segment |
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isystems |
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| Boutique ▾ | #8 165 reviews | — |
| Luxury ▾ | #11 80 reviews | — |
| Branded / Chain ▾ | #8 62 reviews | — |
| Extended Stay ▾ | #9 27 reviews | — |
By Region
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isystems |
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| North America ▾ | #17 30 reviews | — |
| Europe ▾ | #3 228 reviews | — |
| Asia Pacific ▾ | #11 13 reviews | — |
| Middle East | #17 2 reviews | — |
You're evaluating two property management systems: Clock PMS by Clock and isystems by isystems. Both promise to handle essential hotel operations, but their approaches and market presence differ significantly. Clock PMS offers a broad, feature-rich platform tailored for hotel environments, while isystems targets property managers and real estate professionals with a focus on tenant and routine management. Which system aligns better with your hotel's needs?
Clock PMS is the more established, reviewed, and recent-choice product, boasting a high satisfaction level among hoteliers. isystems, with no recent reviews or ratings, lacks the current user feedback necessary for a confident decision.
Are you seeking an all-in-one hotel platform or a property management tool for larger portfolios? Let's explore how each stacks up for your specific scenario.
Clock PMS is designed specifically for hotel operations, offering features like booking management, guest messaging, online check-in, and integrated revenue tools, making it a comprehensive solution for busy hotel teams. in contrast, isystems primarily targets property managers and real estate firms, focusing on tenant communication, rent collection, and maintenance, which are less relevant to hotel operations.
Clock’s extensive feature set, including payment processing, channel management, and guest profiles, addresses the core needs of hotels—especially those seeking automation and guest engagement. isystems, lacking specific hospitality features and recent reviews, seems more suited for property management companies managing multiple units or residential portfolios.
Would your hotel benefit from a fully integrated PMS or a system designed for property portfolios? The answer likely favors Clock PMS given its hotel-specific functionalities and recent positive feedback.
If your hotel needs a robust, all-in-one platform that handles reservations, rates, invoicing, and guest communication, go with Clock PMS. It’s particularly suitable for boutique hotels, city center properties, and inns that benefit from integrated booking engines, housekeeping modules, and guest engagement tools.
On the other hand, if you manage multiple residential properties, rental units, or focus on tenant relations, isystems might seem appealing—though the lack of recent reviews and hotel-centric features makes it less compelling for hoteliers. The absence of recent user feedback on isystems also diminishes confidence in its ongoing support and functionality for hospitality.
For hoteliers, especially those looking to streamline operations and elevate guest experiences, Clock PMS is the superior choice based on current reviews and feature depth.
Clock PMS scores a 4.78 out of 5 for ease of use, with reviewers highlighting its intuitive interface, quick onboarding, and simple training process. Users report that new staff can be trained rapidly, and daily operations often become more efficient. Its modern, cloud-based design simplifies staff adoption across departments.
isystems has no publicly available ratings or recent reviews, making it impossible to assess its user-friendliness or onboarding experience. Given the lack of recent user feedback, confidence in its ease of use remains unverified.
Edge: Clock PMS.
Clock PMS boasts 58 unique features including booking engine, channel manager, revenue management, guest profiles, integrated CRS, digital registration, and mobile apps—covering all aspects of hotel management. It also offers ancillary revenue tools, automated reminders, advanced reporting, and multi-currency/language support, making it a truly expansive platform.
isystems offers a more limited, unspecified set of features focused on tenant communication, rent collection, and maintenance requests. It lacks hotel-specific functionalities like booking engines, channel management, or guest engagement tools.
Edge: Clock PMS.
Clock PMS has a support rating of 4.75 out of 5, with reviews praising its quick, responsive customer service and proactive updates. Users commend the support team’s ability to resolve issues promptly and assist during onboarding.
isystems provides no recent or detailed support feedback, reducing confidence in its customer service quality. The absence of recent reviews makes it hard to judge its responsiveness or support effectiveness.
Edge: Clock PMS.
Clock PMS integrates with 111 verified partners, including Curacity, Hotel Investor Apps, FLEXIPASS, and RevControl, offering extensive third-party connectivity. This broad integration ecosystem allows hotels to connect revenue tools, marketing, and distribution channels efficiently.
isystems, lacking verified integration data and partner counts, appears to have minimal or no current integrations. This limits the platform’s ability to connect with other essential hotel systems.
Edge: Clock PMS.
Clock PMS’s user reviews are recent and plentiful, with a 4.8/5 overall rating from 251 reviews, including 6 reviews in the last 6 months. Its primary users are boutique, city center, and inn properties, which emphasize usability, support, and feature set. Reviewers highlight improvements in operational efficiency and guest satisfaction.
isystems has no recent or publicly available reviews, making it impossible to gauge current user satisfaction. Without current feedback, confidence in its hotel-specific performance remains low.
Edge: Clock PMS.
Clock PMS costs $600 per month with no freemium or trial options, offering transparency for budget planning. The pricing structure indicates a subscription fee for an extensive platform with many features.
isystems does not publicly disclose pricing, making it difficult to compare value or determine if the system fits your budget. The lack of transparent pricing suggests it may not be tailored for smaller or mid-sized hotels.
Not ideal if your property operates mainly as a residential or long-term rental, as Clock’s features are tailored for hospitality.
Given the lack of recent data, isystems appears better suited for property management rather than hospitality.
Clock PMS is the clear choice for hoteliers seeking a modern, feature-rich property management system. It has a proven track record, with recent reviews emphasizing ease of use, extensive integrations, and strong support, all at a transparent $600 monthly fee.
isystems, lacking recent user feedback and hotel-specific features, seems more appropriate for property managers or real estate firms managing multiple residential units. Its current support and flexibility are unverified, making it less suitable for hotel operations.
If your hotel prioritizes operational efficiency, guest experience, and reliable support, Clock PMS delivers these essentials today. For property portfolios outside the hospitality sector, consider isystems, but with caution due to absent recent reviews.
In conclusion, choose Clock PMS if:
Opt for isystems if:
For hoteliers, the choice largely hinges on current user feedback and feature relevance, which favor Clock PMS.
According to HTR's product database, Clock PMS and isystems share 0 features. Here are the key differences — features one has that the other lacks.
| Feature |
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isystems |
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| Booking Engine | ||
| Channel Manager | ||
| EPoS | ||
| Integrated CRS | ||
| Payment processing | ||
| Revenue management module |
Showing top differences. 46 more features differ between these products.
We analyzed 6 verified case studies to compare what hotels actually achieve with each platform across four key business objectives.
"Clock is best all-in-one platform for managing hotel and event operations in one connected environment. It makes it easy to track bookings, organize group reservations, and handle..."
No published case study for this goal yet.
"Elegancia selected Clock for its flexibility, strong integration capabilities, and robust multi-property management—an essential requirement for a growing hotel group. The ability..."
No published case study for this goal yet.
"Quicker service, reduced request errors, and more consistent operations, resulting in higher guest satisfaction"
No published case study for this goal yet.
What hoteliers love
Clock PMS+ offers a wide array of features that are beneficial for managing hotel operations and events. However, some users find the plethora of feat... Clock PMS+ offers a wide array of features that are beneficial for managing hotel operations and events. However, some users find the plethora of features overwhelming and suggest improved organization.
The software significantly enhances operational efficiency by saving time and streamlining communication and coordination among departments, contribut... The software significantly enhances operational efficiency by saving time and streamlining communication and coordination among departments, contributing to a smoother experience for both staff and guests.
Users appreciate the responsive support service and the regular updates that introduce new features and improvements, ensuring the system's reliabilit... Users appreciate the responsive support service and the regular updates that introduce new features and improvements, ensuring the system's reliability and relevance to user needs.
Where hoteliers push back
Users occasionally encounter error messages that are displayed in code, making it difficult to resolve issues quickly. Direct navigation from the erro... Users occasionally encounter error messages that are displayed in code, making it difficult to resolve issues quickly. Direct navigation from the error message to the problem would improve user experience.
While comprehensive, the reporting feature can be slow, which limits its current effectiveness. Users suggest optimization could unlock more powerful... While comprehensive, the reporting feature can be slow, which limits its current effectiveness. Users suggest optimization could unlock more powerful capabilities.
Unique capabilities
Where the ratings diverge most
It depends on your requirements. Clock PMS and isystems share many core Property Management Systems features, but each has unique capabilities. Clock PMS offers 111 verified integration partners, while isystems offers 0. Review the feature comparison above to see where they differ before switching.
Small hotels should prioritize ease of use and fast onboarding. Clock PMS leads in ease of use at 4.8/5 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.
Clock PMS: No. isystems: No. Neither product currently offers a free tier. Most Property Management Systems vendors offer demos or trials — request one from each to evaluate before committing.
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. Clock has an HT Score of 84 and isystems has 0. Here is how the score is calculated.
| Criteria Group | Weight | What It Measures |
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| Customer Ratings & Reviews |
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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 |
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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 |
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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 |
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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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