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 131 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:
Adumo online shines .
Sertifi by Flywire shines in ease of use and customer support — especially for brand properties (0.0/5) , with exclusive features like Payment Tokenization and 3-D Secure Payments.
Side-by-side ratings based on 131 verified hotelier reviews on HTR.
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| Starting Price | Contact sales | From $100/mo |
| Verified Reviews | 0 | 131 |
After analyzing 131 verified reviews, Adumo online users most value its , while Sertifi by Flywire users highlight ease of use, payment processing efficiency, security measures. Click any theme to see what reviewers say.
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Ease of Use
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Payment Processing Efficiency
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Security Measures
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Document Management
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Integration with Other Systems
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User Role Management
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Customizability
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How each product ranks among Payments Processing Software vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.
By Hotel Size
| Segment | Adumo online |
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|---|---|---|
| Small (10-24 rooms) | — | #5 1 reviews |
| Mid-Size (25-74 rooms) ▾ | — | #1 36 reviews |
| Large (75-199 rooms) ▾ | — | #1 63 reviews |
| X-Large (200+ rooms) ▾ | — | #1 29 reviews |
By Property Type
| Segment | Adumo online |
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| Boutique ▾ | — | #1 35 reviews |
| Luxury ▾ | — | #1 61 reviews |
| Branded / Chain ▾ | — | #1 86 reviews |
| Extended Stay ▾ | — | #2 9 reviews |
By Region
| Segment | Adumo online |
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| North America ▾ | — | #1 121 reviews |
| Europe | — | #4 1 reviews |
| Asia Pacific | — | #1 1 reviews |
| Middle East ▾ | — | #1 5 reviews |
Choosing between Adumo online and Sertifi by Flywire hinges on your hotel’s specific needs for payment processing. Adumo online offers no recent reviews or user feedback, making it difficult to assess its current usability or support, while Sertifi by Flywire boasts over 129 reviews with recent feedback, emphasizing ease of use, security, and robust features. Your team must decide whether to prioritize a platform with proven reliability and extensive functionality or consider an unreviewed option that may lack current support and user insights.
Sertifi by Flywire clearly dominates in market presence and user confidence, given its higher review count and recent activity. The decision ultimately depends on whether your hotel values proven support and a feature-rich environment or remains open to exploring less transparent options.
Adumo online and Sertifi by Flywire serve distinct purposes in hotel payment processing. Adumo online, with no recent reviews or user ratings, offers a payment platform that appears to lack the depth of features and integrations available in Sertifi. Sertifi, on the other hand, is trusted by over 20,000 hospitality businesses, with recent reviews highlighting its ease of use, security, and comprehensive payment features.
While Adumo online might seem like a straightforward solution, its absence of recent user feedback raises questions about ongoing support, feature development, and overall usability. Sertifi’s recent review activity and high NPS score of 9.4/10 demonstrate its strong reputation in the industry. Are you comfortable choosing a platform without recent validation, or do you prefer a solution with a proven track record and active user base?
If your hotel needs a well-supported, feature-rich payment platform that simplifies transactions and enhances security, Sertifi by Flywire is the clear choice. It offers 20 exclusive features such as payment tokenization, 3-D Secure payments, and multi-currency settlements, along with integrations with major systems like Salesforce and Opera. Its user ratings are high, and recent reviews praise its ease of use and customer support.
If, however, your hotel is considering a less proven, possibly simpler payment solution without the need for extensive features or integrations, Adumo online might seem tempting, but the lack of user feedback and recent activity makes it hard to recommend confidently. Do you prioritize a platform with a proven track record or one with uncertain support and capabilities?
Sertifi by Flywire’s ease of use is rated at 4.78/5, supported by over 129 recent reviews praising its intuitive interface, quick onboarding, and straightforward payment and document management. Users highlight its user-friendly design, making it easy for staff and clients to navigate without extensive training.
Adumo online, with no recent reviews or ratings, offers no recent insights into its UI or onboarding experience. The lack of user feedback suggests potential usability issues or limited support resources. Edge: Sertifi by Flywire.
Sertifi by Flywire offers a suite of 20 unique features, including PCI compliance, multi-currency settlements, refund management, and Pay by Link, making it highly versatile for hotel operations. Its capabilities extend to secure payment tokenization and integrations with major payment processors, streamlining workflows.
Adumo online provides no specific features or integrations, making it impossible to evaluate its functionalities. Given Sertifi’s extensive feature list and recent positive reviews, it clearly provides a broader, more valuable set of tools. Edge: Sertifi by Flywire.
Sertifi by Flywire is rated 4.59/5 based on over 129 reviews, with users praising its quick issue resolution and supportive onboarding. Recent feedback underscores its responsiveness and reliability, critical for hotel teams needing dependable support.
Adumo online’s review count is zero, and there are no recent or historical ratings available, raising concerns about ongoing support and customer service. Without recent support reviews, Sertifi’s established reputation makes it the more reliable choice. Edge: Sertifi by Flywire.
Sertifi by Flywire integrates with seven verified partners, including Oracle Hospitality, Stripe, and Infor, along with other major platforms, facilitating seamless workflows. Adumo online has just one verified integration with Yanolja Cloud Solution, limiting its connectivity.
The broad integration ecosystem of Sertifi enhances its utility for hotels with complex systems or multiple platforms, making it more adaptable. Edge: Sertifi by Flywire.
Sertifi by Flywire’s recent reviews and high NPS score of 9.4/10 indicate strong user satisfaction, especially among luxury and branded hotels, which constitute a large segment of its users. Conversely, Adumo online has no reviews or ratings, preventing any meaningful comparison.
Given the recent activity and positive feedback, Sertifi is clearly favored by hoteliers. Its ratings across hotel segments suggest broader acceptance and trust in its platform. Edge: Sertifi by Flywire.
Adumo online does not disclose any pricing details, suggesting it might follow a custom or unpublicized pricing approach. Sertifi by Flywire charges a base fee of $100 per month, with no implementation or setup fees, making it transparent and predictable for hotel budgets.
The clear pricing structure of Sertifi allows you to evaluate ROI more effectively, whereas Adumo online’s cost remains uncertain. If cost transparency is essential, Sertifi offers a distinct advantage.
Not ideal if your hotel requires comprehensive features, multiple integrations, or proven support, given the lack of recent reviews and transparency.
Not ideal if your hotel operates on a very tight budget without room for the $100 monthly fee or if you require a solution with fewer features and simpler integration.
Sertifi by Flywire stands out as the more reliable, feature-packed, and well-rated payment processing solution. Its extensive capabilities, integrations, and active customer support deliver a comprehensive package that hotels can confidently depend on.
Choose Sertifi if your hotel needs a proven, secure, and flexible platform that can scale with your operations. If your hotel only requires basic payment acceptance without the need for advanced features or support, and you're willing to accept the uncertainty surrounding Adumo online, then that might be worth considering—but the lack of recent reviews makes it a risky choice.
In conclusion, for most hotels prioritizing security, features, and support backed by recent user feedback, Sertifi by Flywire is the clear recommendation.
Payments Processing 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.
| Adumo online |
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| Starting Price | — | From $100/mo |
According to HTR's product database, Adumo online and Sertifi by Flywire (Payments) share 0 features. Here are the key differences — features one has that the other lacks.
| Feature | Adumo online |
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| 3-D Secure Payments | ||
| Accepts American Express | ||
| PCI Compliance | ||
| Pay by Link | ||
| Payment Tokenization | ||
| Pre-Authorizations |
Showing top differences. 8 more features differ between these products.
What hoteliers love
Sertifi is frequently highlighted for its user-friendly interface, making it simple for both hotel staff and clients to navigate. The reduction in tim... Sertifi is frequently highlighted for its user-friendly interface, making it simple for both hotel staff and clients to navigate. The reduction in time and effort required for training new users is appreciated, simplifying the onboarding process.
Sertifi's payment processing is praised for its speed and efficiency, allowing clients to make payments quickly and securely. The ability to set up pa... Sertifi's payment processing is praised for its speed and efficiency, allowing clients to make payments quickly and securely. The ability to set up payment schedules and send secured payment links is seen as a significant time-saver, allowing hotels to reduce administrative tasks and increase cash flow.
Users consistently commend Sertifi for its strong security features, which are crucial for handling sensitive payment data. The PCI compliance ensures... Users consistently commend Sertifi for its strong security features, which are crucial for handling sensitive payment data. The PCI compliance ensures that transactions are secure, making both customers and hotels feel confident in processing payments through the system.
Where hoteliers push back
Many users appreciate Sertifi's integration capabilities with systems like Salesforce and Opera, which streamline operations by reducing the need for... Many users appreciate Sertifi's integration capabilities with systems like Salesforce and Opera, which streamline operations by reducing the need for manual entries and checks.
There are critical mentions regarding the management of user roles, such as difficulties in revoking user access after leaving a company. Users sugges... There are critical mentions regarding the management of user roles, such as difficulties in revoking user access after leaving a company. Users suggest improvements for handling permissions and user deactivation.
Unique capabilities
Where the ratings diverge most
It depends on your requirements. Adumo online and Sertifi by Flywire (Payments) share many core Payments Processing Software features, but each has unique capabilities. Adumo online offers 1 verified integration partners, while Sertifi by Flywire (Payments) offers 7. Review the feature comparison above to see where they differ before switching.
Small hotels should prioritize ease of use and fast onboarding. Sertifi by Flywire (Payments) 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.
Adumo online: No. Sertifi by Flywire (Payments): No. Neither product currently offers a free tier. Most Payments Processing 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. Adumo online has an HT Score of 0 and Sertifi by Flywire has 94. 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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