Software Alternatives, Accelerators & Startups

Assertible VS IsDown.app

Compare Assertible VS IsDown.app and see what are their differences

Assertible logo Assertible

Assertible software provides you with a simple and quick way to monitor your web services. It comes with automated QA tools that users can utilize to test and monitor their web services on different platforms and environments.

IsDown.app logo IsDown.app

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.
  • Assertible Landing page
    Landing page //
    2021-10-15
  • IsDown.app Landing page
    Landing page //
    2023-11-06
  • IsDown.app Notifications in Slack, Email, Google Chat, PagerDuty, Datadog, and more.
    Notifications in Slack, Email, Google Chat, PagerDuty, Datadog, and more. //
    2024-05-08
  • IsDown.app Dashboard with all your vendor status
    Dashboard with all your vendor status //
    2024-05-08
  • IsDown.app Public or Private Status Pages
    Public or Private Status Pages //
    2024-05-08

IsDown is a powerful vendor monitoring platform that centralizes the status of thousands of cloud services into one easy-to-use dashboard. It helps teams stay ahead of service outages by aggregating official status updates from over 3,200 SaaS and cloud providers.

Key Features: โ€ข Unified Monitoring: Keep track of all your critical vendors in a single place. โ€ข Real-Time Alerts: Receive instant notifications via Slack, Email, or other integrations when a service experiences issues. โ€ข Customizable Notifications: Filter alerts by service components and severity to focus on what matters most. โ€ข Historical Data: Access historical uptime and incident reports to assess vendor reliability over time. โ€ข Seamless Integrations: Connect with tools like Slack, Microsoft Teams, PagerDuty, and Datadog to streamline your workflow.

Ideal for teams relying on multiple external services, IsDown ensures youโ€™re always informed about vendor performance, allowing you to respond proactively to disruptions.

Assertible features and specs

  • User-Friendly Interface
    Assertible provides a clean and intuitive interface that makes it easy for users to create, run, and manage tests without requiring extensive technical knowledge.
  • Automated API Testing
    The platform supports automated API testing, which helps in ensuring that APIs function correctly and consistently over time.
  • Continuous Integration Support
    Assertible integrates seamlessly with continuous integration tools, which helps in embedding API testing into the development workflow.
  • Environment Management
    Users can manage different environments (development, staging, production) effortlessly, enabling them to conduct tests across various stages of deployment.
  • Monitors and Alerts
    The tool can continuously monitor APIs and send alerts if any issues are detected, helping teams to promptly address problems.
  • Comprehensive Test Reports
    Assertible provides detailed test reports that offer insights into test results, helping teams analyze failures and improve API quality.

Possible disadvantages of Assertible

  • Pricing Structure
    For some users, the pricing can be considered high, especially for small businesses or independent developers who may not need all the features.
  • Learning Curve
    Although user-friendly, there can be a learning curve for users new to API testing tools or integrated testing workflows.
  • Limited Free Plan
    The free plan may have limitations in terms of features, tests, and monitoring capabilities, which may not be sufficient for all users.
  • Customization Limitations
    Some users may find limitations in customization options for specific testing needs, especially complex scenarios that require highly tailored tests.
  • Dependency on Internet Connectivity
    Since Assertible is a cloud-based service, it requires a stable internet connection, which could pose challenges if connectivity is an issue.

IsDown.app features and specs

  • Status Dashboard
  • Multiple Profiles for same account
  • Slack App
  • Zapier Integration
  • Scheduled maintenances feed
  • Weekly Digest
  • Datadog Integration
  • Uptime Monitoring
  • Keyword Monitoring
  • SSL Monitoring
  • PagerDuty Integration

Assertible videos

Assertible demo for API testing

IsDown.app videos

No IsDown.app videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Assertible and IsDown.app)
Developer Tools
23 23%
77% 77
Monitoring Tools
0 0%
100% 100
API Tools
100 100%
0% 0
APIs
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, IsDown.app should be more popular than Assertible. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Assertible mentions (1)

IsDown.app mentions (5)

  • Build or Buy Your Third-Party Monitoring System: Decision Guide
    Consider your growth trajectory. Will you be monitoring 10 services or 1000? Commercial solutions like IsDown are designed to scale effortlessly, while custom solutions often require significant rework as requirements grow. - Source: dev.to / 9 days ago
  • Best Downdetector Alternatives for Outage Monitoring in 2025
    Among them, IsDown stands out as a robust, business-focused solution. With real-time alerts, aggregated data from thousands of services, seamless integrations, and customizable dashboards, IsDown helps businesses stay ahead of outages and reduce downtime. Its combination of official updates and crowdsourced insights ensures accurate and timely information for faster response times. - Source: dev.to / 3 months ago
  • Bring third-party incidents into Better Stack
    The Better Stack integration is included with every paid IsDown plan. Sign up for a free 14-day trial โ€” or open Alerts & Integrations in your current IsDown account and add Better Stack now. Your team will see live incidents from AWS, Stripe, GitHub, and hundreds more, all inside the queue they already trust. - Source: dev.to / 5 months ago
  • Connect all your vendors status pages to your Better Stack account
    Now you can monitor third-party outages right in your Better Stack account with https://isdown.app . What will you get? Single incident feed โ€“ Internal alerts and third-party outages appear in the same view. - Source: Hacker News / 5 months ago
  • Ask HN: How did your startup get the first payment?
    I would say almost from day 1. Even at a lower price, it's an important step to validate an idea. When people need to put their credit card in and give you money, it's another level of commitment that I don't think you will have with a free plan. It is a level of commitment from the user but also from you. If you're getting paid, it's expected that, for example, if a service is down/not working, you need to fix... - Source: Hacker News / about 3 years ago

What are some alternatives?

When comparing Assertible and IsDown.app, you can also consider the following products

HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

UptimeRobot - Free Website Uptime Monitoring

API Fortress - API performance, accuracy, and uptime testing. Without code.

StatusGator - Early outage alerts for every app you rely on

Hoppscotch - Open source API development ecosystem

Ping Bot - Reliable monitoring for your servers, vendors, and infrastructure.