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:
TigerTMS shines .
Zingle shines in ease of use and customer support — especially for independent properties (4.8/5) , with exclusive features like Mobile Friendly and Guest History.
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, TigerTMS 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 innLine by TigerTMS and Medallia Zingle hinges on your hotel’s specific needs for guest communication and operational management. Both products aim to improve guest engagement, but their focus and capabilities differ significantly. innLine emphasizes voice messaging, wake-up calls, and room status updates, while Zingle offers extensive multichannel messaging, automation, and integrations. Your decision should align with whether you prioritize voice-centric solutions or comprehensive messaging automation.
While innLine’s core strength is its specialized voice and room management features, Zingle’s broader messaging platform with more recent reviews and higher ratings makes it more appealing for modern, contactless guest interactions. Do you need a specialized voice solution or a versatile guest messaging system?
innLine by TigerTMS targets hotels seeking to streamline internal communications and operational tasks through voice messaging, wake-up calls, and room status updates integrated directly with their Property Management System. Its focus is on enhancing operational efficiency and reducing staff workload with automated voice features.
Conversely, Zingle by Medallia excels in multichannel guest interaction, supporting SMS, Facebook Messenger, WhatsApp, and AI-driven automations. With 107 reviews and an average rating of 4.68/5—far surpassing innLine’s 0/5—Zingle has a more recent, active user base and a proven track record of high satisfaction.
The fundamental difference: innLine is best if your hotel needs voice-based communications and operational tools, but Zingle is better if your priority is contactless, multi-channel guest messaging with automation. Which aligns more with your hotel’s guest service goals?
If your hotel needs a sophisticated, multi-channel communication platform capable of automating guest interactions, Zingle is the better fit. Its extensive feature set—such as automated replies, guest history, secure data, and integrations with systems like Opera—addresses the demands of modern hospitality.
If your hotel’s focus is on voice messaging, wake-up calls, and internal room status management, innLine by TigerTMS is more appropriate. Its tailored features are designed for operational efficiency, especially if your team prefers voice communication over text-based messaging.
For hotels prioritizing ease of use, broad integrations, and recent positive reviews, Zingle should be your choice. Conversely, for those seeking specialized voice and operational tools, innLine remains relevant but may lack the extensive modern messaging features.
Zingle’s user interface is rated 4.73/5, with many reviews praising its intuitive design and simple onboarding process. Users have noted that staff find it straightforward to adapt, and its mobile app enhances accessibility.
innLine, however, has no current review data, making its usability less clear. Given Zingle’s high rating and recent reviews emphasizing ease of use, it clearly leads in this area.
Edge: Zingle.
Zingle boasts 21 features, including guest history, photo sharing, secured data protection, Facebook Messenger and WhatsApp integration, automated replies, message routing, chatbot booking, and analytics dashboard. These features support a comprehensive, automated contactless guest experience.
innLine offers voice messaging, wake-up calls, and room status updates but lacks the broad feature set Zingle provides. With no additional features listed beyond core voice and room management, innLine’s feature count is significantly lower.
The distinct advantage: Zingle’s extensive feature suite caters to modern, multichannel communication needs.
Edge: Zingle.
Zingle’s support ratings are 4.58/5, with many reviews highlighting quick, helpful responses and strong onboarding. Customers appreciate the responsiveness and ongoing support, which contribute to high satisfaction.
innLine has no recent review data, leaving support quality unverified. Based on available information, Zingle’s support is clearly superior.
Edge: Zingle.
innLine integrates with 28 verified partners, including major PMS systems like Stayntouch, Oracle Hospitality, and Mews, as well as various industry-specific solutions. Its wide range of integrations supports seamless operational workflows.
Zingle offers 16 verified integrations, including key players like Opera, HotSOS, and SiteMinder, but fewer than innLine. Its integrations are highly rated, especially for contactless deployment.
However, in terms of sheer quantity and variety, innLine has a slight edge.
Edge: innLine.
Since innLine has no recent reviews, Zingle’s user ratings are more reliable. Zingle’s 107 reviews give it an overall rating of 4.68/5, with high marks across multiple segments—independent hotels (4.75/5), branded hotels (4.69/5), and resorts (4.72/5).
InnLine’s lack of recent reviews makes it impossible to determine current user satisfaction. Therefore, Zingle’s ratings are a more trustworthy indicator of performance.
Edge: Zingle.
Both innLine and Zingle do not publicly list their pricing, which is typical for enterprise-grade solutions. Pricing likely depends on hotel size, features, and integration needs, requiring direct contact for quotes.
Your best approach is to request tailored proposals from both vendors to compare value directly based on your hotel’s scale and requirements.
Not ideal if you want multichannel messaging, automation, or contactless guest interactions—innLine is less suitable for tech-forward, contactless experiences.
Not ideal if your hotel primarily needs voice messaging or internal room management without a focus on guest-facing multichannel communication.
Zingle and innLine serve different core needs—Zingle is a flexible, multi-channel messaging platform with automation, while innLine centers on voice messaging and operational updates.
Choose innLine if your hotel relies on voice calls, wake-up management, and room status updates, especially if your team prefers traditional communication methods. Its niche focus suits hotels needing operational tools integrated with their PMS.
Opt for Zingle if your hotel values high guest engagement, automated communication, and contactless experiences. Its broad feature set, recent reviews, and high ratings make it the better choice for modern hospitality environments.
If you need a contactless, multi-channel guest messaging solution, Zingle’s overall performance and recent customer satisfaction make it the clear winner. For operational voice and room management needs, innLine remains relevant but is less suited for current guest engagement trends.
According to HTR's product database, innLine (by Tiger TMS) and Medallia Zingle share 0 features. Here are the key differences — features one has that the other lacks.
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| Guest History | ||
| Mobile Friendly | ||
| Open API | ||
| Photo Sharing | ||
| SMS text messaging | ||
| Secured Data Protection |
Showing top differences. 9 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. innLine (by Tiger TMS) and Medallia Zingle share many core Guest Messaging Software features, but each has unique capabilities. innLine (by Tiger TMS) offers 28 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.
innLine (by Tiger TMS): 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. TigerTMS 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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