Mackerel vs MetricFire

Mackerel has no write-up on Specifiction yet; its figures are above.

MetricFire is a web and API service that runs Graphite and Grafana for monitoring metrics, dashboards, and alerting. Custom application metrics can arrive over TCP, UDP, HTTP POST, or StatsD without an agent or SDK. Built-in Graphite alerting connects with Slack, PagerDuty, and email. Listed integrations include AWS, Azure, Google Cloud Platform, Heroku, Telegraf, Prometheus, Redis, and PostgreSQL, alongside Kubernetes, serverless, and synthetic monitoring. Intro costs $16 a month billed annually and includes 500 metrics, six-month retention, 30-second resolution, two team users, 10 alerts, and unlimited dashboards. Basic is $84 a month billed annually with 1,000 metrics and two-year retention; Core is $429 a month billed annually with 5,000 metrics and the same listed allowances. A custom plan is available by contacting MetricFire. There is no free plan, but a 14-day trial is offered.