--- title: Calibre App Reviews meta\_title: 'Calibre App Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how Calibre App works for a business like yours. date\_modified: '2024-10-06' parent\_category: name: Monitoring url: https://www.g2.com/categories/monitoring --- # Calibre App Reviews & Product Details Calibre App is a web performance monitoring solution. * * * Seller [Calibre App](https://www.g2.com/sellers/calibre-app) Discussions [Calibre App Community](https://www.g2.com/products/calibre-app/discuss) Show More ## Top-Rated Alternatives [ ![Uptime.com](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Uptime.com") Uptime.com 4.6/5(387) ](https://www.g2.com/products/uptime-com/reviews) [ ![Freshping by Freshworks](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Freshping by Freshworks") Freshping by Freshworks 4.6/5(993) ](https://www.g2.com/products/freshping-by-freshworks/reviews) [ ![Dynatrace](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Dynatrace") Dynatrace 4.5/5(1,366) ](https://www.g2.com/products/dynatrace/reviews) [ View All Alternatives ](https://www.g2.com/products/calibre-app/competitors/alternatives) MM Marla M. Customer Support Small-Business (50 or fewer emp.) 4/15/2019 Business partner of the seller or seller's competitor, not included in G2 scores. "I love Calibre! It can make a PDF or epub into a mobi (which makes it work on my Kindle Paperwhite)" 5/5 What do you like best about Calibre App? Calibre is easy to use, and you can change the meta data of the files. For example, you can change the title or author if you want to suit your needs (it's often not quite right). Review collected by and hosted on G2.com. What do you dislike about Calibre App? Sometimes the author doesn't populate correctly, but you can change that in the metadata box before converting to the format you want. Review collected by and hosted on G2.com. Recommendations to others considering Calibre App: Definitely get the Calibre App! It will let you convert PDF or EPUB into MOBI so that you can read ebooks on your Kindle. Review collected by and hosted on G2.com. What problems is Calibre App solving and how is that benefiting you? I learn a lot for my business through reading via my Kindle Paperwhite. Since a lot of ebooks are in PDF or epub, and not in MOBI, I can't read them on my Kindle Paperwhite without Calibre. Calibre solves that problem. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ### There are not enough reviews of Calibre App for G2 to provide buying insight. Below are some alternatives with more reviews: [ 1 ![Uptime.com Logo](https://images.g2crowd.com/uploads/product/hd_favicon/6a11b214e01e403568ab6d54cb4c0f46/uptime-com.svg "Uptime.com Logo") Uptime.com 4.6 (387) Get notified by SMS or email if your website is down. Uptime checks your website at one minute intervals from 30 different locations across 6 continents. ](https://www.g2.com/products/uptime-com/reviews "Uptime.com")[ 2 ![Freshping by Freshworks Logo](https://images.g2crowd.com/uploads/product/hd_favicon/9e39a7018c30082ee835a784b1ab994a/freshping-by-freshworks.svg "Freshping by Freshworks Logo") Freshping by Freshworks 4.6 (993) Freshping is a simple Uptime & Performance monitoring tool which helps monitoring uptime/downtime, outages and performance of websites, APIs, web services, web applications with instant outage/down time alerts. ](https://www.g2.com/products/freshping-by-freshworks/reviews "Freshping by Freshworks")[ 3 ![Dynatrace Logo](https://images.g2crowd.com/uploads/product/hd_favicon/1512659484/dynatrace.svg "Dynatrace Logo") Dynatrace 4.5 (1,366) Dynatrace has redefined how you monitor today’s digital ecosystems. AI-powered, full stack and completely automated, it’s the only solution that provides answers, not just data, based on deep insight into every user, every transaction, across every application. The world’s leading brands trust Dynatrace to optimize customer experiences, innovate faster and modernize IT operations with absolute confidence. ](https://www.g2.com/products/dynatrace/reviews "Dynatrace")[ 4 ![SolarWinds Observability Logo](https://images.g2crowd.com/uploads/product/hd_favicon/af917f02e5d5dda08cf58d16d36f6a8d/solarwinds-worldwide-llc-solarwinds-observability.svg "SolarWinds Observability Logo") SolarWinds Observability 4.3 (865) SolarWinds® Observability is a comprehensive full-stack observability solution designed to meet the diverse needs of modern organizations, regardless of their size. This solution provides deep visibility into hybrid ecosystems, enabling users to monitor and manage both on-premises and cloud environments effectively. By optimizing performance and ensuring availability across distributed hybrid IT infrastructures, SolarWinds Observability supports organizations in navigating the complexities of their IT environments. Targeted at IT professionals and organizations that require robust monitoring capabilities, SolarWinds Observability caters to a wide range of use cases. It is particularly beneficial for businesses operating in hybrid environments, where the integration of on-premises and cloud resources is essential. The solution allows users to gain a holistic view of their networks, applications, databases, and user experiences, thereby facilitating better decision-making and operational efficiency. This is especially crucial in today’s fast-paced digital landscape, where downtime can significantly impact service reliability and customer satisfaction. One of the standout features of SolarWinds Observability is its built-in intelligence powered by AIOps capabilities. This functionality accelerates issue remediation by enabling users to detect, troubleshoot, and resolve problems more efficiently. The advanced predictive analysis and anomaly-based alerts help organizations proactively address potential issues before they escalate, ultimately reducing downtime and enhancing service reliability. Additionally, the solution's log pattern analysis further streamlines the troubleshooting process, allowing IT teams to focus on strategic initiatives rather than being bogged down by operational challenges. SolarWinds Observability offers flexibility in deployment, providing users with the option to choose between self-hosted and SaaS models. The self-hosted option integrates seamlessly with other SolarWinds services, such as security and storage monitoring, while the SaaS option is tailored for deeper monitoring of custom and cloud-based applications. This adaptability ensures that organizations can select the deployment method that best aligns with their operational needs and infrastructure. Moreover, SolarWinds Observability stands out by consolidating multiple monitoring tools into a single, integrated solution. This not only simplifies the monitoring process but also helps organizations reduce costs associated with managing disparate systems. By offering comprehensive visibility across hybrid IT environments, SolarWinds Observability empowers organizations to optimize their operations and enhance overall performance. ](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews "SolarWinds Observability")[ 5 ![Datadog Logo](https://images.g2crowd.com/uploads/product/hd_favicon/1498834114/datadog.svg "Datadog Logo") Datadog 4.4 (726) Datadog is a monitoring service for IT, Dev and Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into actionable insight. ](https://www.g2.com/products/datadog/reviews "Datadog")[ 6 ![LogicMonitor Logo](https://images.g2crowd.com/uploads/product/hd_favicon/858e8aec2bd0531fc134f88e4d5f87a9/logicmonitor.svg "LogicMonitor Logo") LogicMonitor 4.5 (644) LogicMonitor is the SaaS-based, automated performance monitoring platform that provides agile IT Ops teams with the visibility and actionable metrics they need to ensure the availability of services and applications running on complex and distributed infrastructure. ](https://www.g2.com/products/logicmonitor/reviews "LogicMonitor")[ 7 ![IBM Instana Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_24bb2b0b5af8e7d875ea09d767bcb097/ibm-instana.jpg "IBM Instana Logo") IBM Instana 4.4 (479) Instana automatically discovers, maps, and monitors all services and infrastructure components across on-prem and cloud, providing AI-driven application context, issue remediation to enhance IT operations. Instana’s zero-configuration dashboards help reduce toil for SRE and DevOps teams, helping them spend more innovating than troubleshooting. Its automated playbooks seamlessly address common issues and precise ML-driven alerts help manage rapid change, thereby enhancing infrastructure availability. These capabilities in help in predicting and managing IT budgets to support increase in demand during peak cycles.​ ](https://www.g2.com/products/ibm-instana/reviews "IBM Instana")[ 8 ![Site24x7 Logo](https://images.g2crowd.com/uploads/product/hd_favicon/5ad72fdfd9ed75a6bfae1b8c7a6ed6c4/site24x7.svg "Site24x7 Logo") Site24x7 4.6 (467) An all-in-one cloud monitoring service for DevOps and IT operations with broad monitoring capabilities covering applications, servers, networks, public and private clouds, websites and web apps. ](https://www.g2.com/products/site24x7/reviews "Site24x7")[ 9 ![Better Stack Logo](https://images.g2crowd.com/uploads/product/hd_favicon/7f9686ffb53943dec7d85971f2a1c373/better-stack.svg "Better Stack Logo") Better Stack 4.8 (343) Better Stack is a unified observability tool that helps you ship higher‑quality software faster. Monitor everything from websites to servers. Schedule on-call rotations, get actionable alerts, and resolve incidents faster than ever. Visualize your entire stack, aggregate all your logs into structured data, and query everything like a single database with SQL. Made to fit into your workflow with over 100+ integrations. ](https://www.g2.com/products/better-stack/reviews "Better Stack")[ 10 ![UptimeRobot Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_5174801a420fbd0562da518311a6ae2a/uptimerobot.png "UptimeRobot Logo") UptimeRobot 4.7 (309) Website monitoring ](https://www.g2.com/products/uptimerobot/reviews "UptimeRobot") [Show More](#) ## Questions about Calibre App? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about Calibre App ](https://www.g2.com/products/calibre-app/discussions/new) GU Guest User What is Calibre App used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-calibre-app-used-for) [ View all Discussions ](https://www.g2.com/products/calibre-app/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. [ View More Pricing Information ](https://www.g2.com/products/calibre-app/pricing) ## Work at Calibre App? Claim this profile to respond to reviews, update product info, and reach in-market buyers. [ Claim this profile ](https://www.g2.com/products/calibre-app/claim_requests/new?utm_medium=profile-footer-claim-cta&utm_source=g2) ##### Categories on G2 [Website Monitoring](https://www.g2.com/categories/website-monitoring) ##### Explore More [What are the best field sales software and recruitment tools for high-volume hiring across multiple locations?](https://www.g2.com/discussions/what-are-the-best-field-sales-software-and-recruitment-tools-for-high-volume-hiring-across-multiple-locations)[Which visual configuration platforms are rated highest for ecommerce and manufacturing customization by enterprise teams that have actually deployed them at scale?](https://www.g2.com/discussions/which-visual-configuration-platforms-are-rated-highest-for-ecommerce-and-manufacturing-customization-by-enterprise-teams-that-have-actually-deployed-them-at-scale)[Is Guidewire PolicyCenter worth it for a carrier that needs enterprise-grade underwriting and rating capabilities, or does Duck Creek Policy offer equivalent functionality at lower integration complexity?](https://www.g2.com/discussions/is-guidewire-policycenter-worth-it-for-a-carrier-that-needs-enterprise-grade-underwriting-and-rating-capabilities-or-does-duck-creek-policy-offer-equivalent-functionality-at-lower-integration-complexity) [Best-rated software for controlling company expenses](https://www.g2.com/discussions/which-of-these-top-tools-is-best-for-controlling-company-expenses)[Highly rated voice recognition services for call centers](https://www.g2.com/discussions/highly-rated-voice-recognition-service-for-call-centers)[Which co-browsing platforms integrate with leading CRM systems to automatically log session transcripts into customer records, for an enterprise contact center?](https://www.g2.com/discussions/which-co-browsing-platforms-integrate-with-leading-crm-systems-to-automatically-log-session-transcripts-into-customer-records-for-an-enterprise-contact-center) [Show MoreShow Less](javascript:void(0);)