1. Cost: One key difference between OpsGenie and Zenduty is the cost. OpsGenie offers a variety of pricing plans, including a free plan with limited features and paid plans starting at $9 per month. On the other hand, Zenduty offers a 14-day free trial and then charges $4 per user per month for their basic plan. The cost of both solutions can vary depending on the number of users and additional features required.

2. Integration Options: OpsGenie provides a wide range of integrations with popular monitoring, alerting, and collaboration tools such as Nagios, New Relic, Slack, and JIRA. Zenduty also offers integrations with various tools like Prometheus, Grafana, Datadog, and Microsoft Teams. However, OpsGenie has a more extensive list of integrations available, providing users with a greater flexibility in connecting different systems and services.

3. Incident Management Features: OpsGenie focuses heavily on incident management and offers advanced features like on-call scheduling, escalation policies, and automatic alert routing based on predefined rules. Zenduty also provides similar incident management capabilities, including on-call rotations and escalations. However, OpsGenie offers more granular control over incident workflows and allows users to define complex routing rules based on various criteria, giving them more flexibility in managing and resolving incidents.

4. Team Collaboration: Both OpsGenie and Zenduty offer team collaboration features to facilitate communication and coordination during incident response. OpsGenie includes features like team dashboards, collaboration notes, and direct integrations with popular communication tools like Slack and Microsoft Teams. Zenduty also provides team collaboration functionality, allowing users to communicate through in-app chat and collaborate on resolving incidents. However, OpsGenie's integration options with communication tools provide more seamless collaboration capabilities.

5. Scalability and Reliability: OpsGenie and Zenduty both offer scalable and reliable solutions for managing incidents. However, OpsGenie has been in the market for a longer time and has established itself as a reliable platform with a large user base. It has a proven track record of handling high volumes of alerts and providing a stable service. Zenduty, although relatively newer, also boasts of a robust infrastructure and promises scalability. However, OpsGenie's longer tenure in the market and larger user base could potentially provide a more mature and stable solution.

6. Mobile App: OpsGenie and Zenduty both provide mobile applications for incident management on the go. OpsGenie's mobile app offers comprehensive functionality, allowing users to manage alerts, view incidents, and collaborate with the team seamlessly. Zenduty's mobile app also provides similar features and enables users to stay connected and respond to incidents on their mobile devices. Both apps are available on both iOS and Android platforms.

In Summary, OpsGenie and Zenduty differ in terms of cost, integration options, incident management features, team collaboration capabilities, scalability, and reliability.