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 107 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:
Glowing.io shines .
Zingle shines in ease of use and customer support — especially for independent properties (4.8/5) , with exclusive features like Guest History and SMS text messaging.
Side-by-side ratings based on 107 verified hotelier reviews on HTR.
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| Starting Price | Contact sales | Contact sales |
| Verified Reviews | 0 | 107 |
After analyzing 107 verified reviews, Glowing.io users most value its , while Zingle users highlight communication, ease of use, auto messages. Click any theme to see what reviewers say.
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Communication
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Ease of use
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Auto messages
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Response time
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Customization
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Technical glitches
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Platform integration
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How each product ranks among Guest Messaging Software vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.
By Hotel Size
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| Small (10-24 rooms) ▾ | — | #12 8 reviews |
| Mid-Size (25-74 rooms) ▾ | — | #11 25 reviews |
| Large (75-199 rooms) ▾ | — | #3 42 reviews |
| X-Large (200+ rooms) ▾ | — | #4 25 reviews |
By Property Type
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| Boutique ▾ | — | #10 44 reviews |
| Luxury ▾ | — | #8 47 reviews |
| Branded / Chain ▾ | — | #8 48 reviews |
| Extended Stay ▾ | — | #11 7 reviews |
By Region
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| North America ▾ | — | #5 103 reviews |
| Europe | — | #18 1 reviews |
Choosing between Glowing.io and Zingle for your hotel's guest messaging needs comes down to your specific priorities and operational requirements. Both platforms address the core challenge of communicating effectively with guests across multiple messaging channels, but they diverge significantly in features, user experience, and market presence. With Zingle holding a larger review base and more recent feedback, it currently stands as the more established choice for most hoteliers. But which product truly suits your hotel’s unique needs?
Are you prioritizing ease of use, feature depth, or integration capabilities? Understanding these differences will help you make a confident decision on the right platform for your team.
Both Glowing.io and Zingle aim to streamline guest communication, but they serve different segments and levels of complexity. Glowing.io offers a unified messaging approach across SMS, WhatsApp, and Facebook Messenger, tailored for hotels wanting a straightforward, multi-platform messaging tool. Zingle, however, provides a broader suite of features, including automation, analytics, and integrations, making it suitable for hotels seeking a more comprehensive guest engagement system.
Zingle’s recent reviews and higher ratings suggest it’s more trusted by hotels currently using and evaluating guest messaging software. Given its larger review count (107 compared to Glowing.io's none), Zingle’s user feedback is more recent and diverse. Does your hotel need a simple messaging tool or a feature-rich platform with automation and analytics? The answer will guide your choice.
If your hotel needs a quick, effective way to communicate with guests via popular messaging apps, Glowing.io is a solid option. It’s designed to connect guests and staff through familiar platforms without overwhelming your team with unnecessary features. However, if you’re looking for a platform that offers automation, detailed analytics, and integrations with other property systems, Zingle is the clear winner, especially considering its superior review score and recent positive feedback.
For properties prioritizing ease of onboarding, staff training, and rapid deployment, Zingle’s high usability rating (4.73/5) makes it ideal. Conversely, if your hotel prefers a straightforward, less complex solution that covers the basics, Glowing.io could suffice, but it’s less reviewed and lacks the extensive feature set.
Based on current ratings, Zingle’s user interface and onboarding experience are rated at 4.73/5, nearly perfect, with many reviews emphasizing its intuitive design and quick setup. Users report that staff can learn the platform rapidly and manage conversations efficiently, reducing training time and boosting productivity.
Glowing.io, with no recent reviews or user feedback available, is difficult to evaluate on ease of use. Its lack of recent data suggests it may not be as actively maintained or adopted by users as Zingle.
Edge: Zingle.
Zingle offers 13 unique features, including WhatsApp integration, automated replies, message routing, guest history, analytics dashboards, and chatbot booking agents. These tools support advanced automation, personalization, and data-driven insights, enhancing the guest experience and operational efficiency.
Glowing.io, with no exclusive features listed, provides basic messaging across SMS, WhatsApp, and Facebook Messenger but lacks the automation, analytics, and AI-driven capabilities Zingle offers. For hotels seeking a feature-rich, scalable system, Zingle’s extensive functionalities give it a decisive edge.
Edge: Zingle.
Zingle is highly rated (4.58/5) for support, with many reviews praising its responsive customer success team and smooth onboarding process. Guests often mention that Zingle’s support staff are quick to answer and helpful, which contributes to a positive experience.
Glowing.io’s support ratings are unavailable, and with no recent reviews, it’s uncertain how responsive or effective their support remains. Given Zingle’s current strong support scores, it clearly provides a more reliable customer service experience.
Edge: Zingle.
Zingle has 16 verified integrations, including popular PMS and CRM systems like Opera, HotSOS, Uniguest, and SiteMinder. Its open API also allows for custom integrations, expanding its flexibility for larger hotel chains and complex tech stacks.
Glowing.io, with only 3 verified partners, offers fewer out-of-the-box integrations, limiting its compatibility with other hotel systems. For hotels that rely on a broader ecosystem of software, Zingle’s extensive integration options are a clear advantage.
Edge: Zingle.
Zingle’s reviews, though currently limited in volume, are overwhelmingly positive, especially among resorts and branded hotels. Its recent reviews highlight high satisfaction in ease of use, support, and automation, leading to a 9.46/5 NPS score.
Glowing.io has no available recent reviews or ratings. With no recent user feedback, it’s impossible to gauge current user satisfaction. Based on existing data, Zingle’s ratings and reviews position it as the more trusted platform.
Edge: Zingle.
Pricing details for both platforms are not publicly available, suggesting they may tailor quotes based on hotel size and needs. The absence of transparent pricing means you should contact vendors directly for estimates and package options.
The core difference lies in their capabilities and market presence. Zingle, with a 4.68/5 rating based on 107 reviews and a broad feature set, offers a highly adaptable platform suitable for hotels of all sizes. Glowing.io, while potentially suitable for basic messaging needs, lacks recent reviews and a comparable feature depth.
Choose Zingle if your hotel needs automation, integrations, and proven support; it’s the more established and trusted option currently. Glowing.io may be appropriate if your requirements are limited to simple messaging, but it’s less tested in today’s hotel environment.
For most hotels seeking a reliable, feature-rich, and well-supported guest messaging system, Zingle remains the clearer choice. Its recent reviews and extensive feature set make it the safer, smarter investment for improving guest engagement and operational efficiency.
Guest Messaging Software 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.
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According to HTR's product database, Glowing.io and Medallia Zingle share 8 features. Here are the key differences — features one has that the other lacks.
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| Automated Replies | ||
| Guest History | ||
| Message Routing | ||
| SMS text messaging | ||
| Secured Data Protection | ||
| Whatsapp Integration |
Showing top differences. 1 more features differ between these products.
What hoteliers love
Users find Zingle excels in facilitating easy and quick communication with guests, allowing issues to be resolved before escalating. This adaptability... Users find Zingle excels in facilitating easy and quick communication with guests, allowing issues to be resolved before escalating. This adaptability has led to elevated guest satisfaction and lessened workload on staff. The ability to handle multiple guest inquiries simultaneously and send mass messages is viewed as a significant strength.
Zingle's user-friendly interface is frequently praised, making it easy for hotel staff to learn and efficiently handle guest messages. This ease of us... Zingle's user-friendly interface is frequently praised, making it easy for hotel staff to learn and efficiently handle guest messages. This ease of use extends to both the web platform and mobile application.
Auto messaging is appreciated for handling routine communications and improving response times. However, there were critiques about auto responses not... Auto messaging is appreciated for handling routine communications and improving response times. However, there were critiques about auto responses not always reflecting the current status accurately, which could lead to guest confusion.
Where hoteliers push back
Users generally appreciate Zingle's customization options for both messages and the platform itself. However, some new users found it challenging to c... Users generally appreciate Zingle's customization options for both messages and the platform itself. However, some new users found it challenging to customize certain features to fit their specific needs, suggesting room for improvement in flexibility.
Although most users are satisfied with Zingle, some have pointed out technical issues such as system crashes, message delays, and synchronization prob... Although most users are satisfied with Zingle, some have pointed out technical issues such as system crashes, message delays, and synchronization problems with PMS, affecting overall efficiency and user experience.
Unique capabilities
Where the ratings diverge most
It depends on your requirements. Glowing.io and Medallia Zingle share many core Guest Messaging Software features, but each has unique capabilities. Glowing.io offers 3 verified integration partners, while Medallia Zingle offers 16. Review the feature comparison above to see where they differ before switching.
Small hotels should prioritize ease of use and fast onboarding. Medallia Zingle leads in ease of use at 4.7/5 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.
Glowing.io: No. Medallia Zingle: No. Neither product currently offers a free tier. Most Guest Messaging Software 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. Glowing.io has an HT Score of 0 and Zingle has 19. 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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