Compare 8 free alternatives to assertible.com for Monitoring. Every one of their free tier limits side by side, with the read and catalogue dates we hold.

Best assertible.com Alternatives with Free Tiers (2026)

8 free alternatives in Monitoring. Sorted by pricing stability.

Current assertible.com Situation

Risk Level: stable
Category: Monitoring
Pricing Page: assertible.com/plans

All Free Alternatives (8)

4 of these carry no recorded demerit and are indistinguishable under every signal we hold; their order rotates daily. 4 are demoted with the reason named, and 0 are listed last because they are not generally available or are not a free offer. How we rank.

Left out of this list: Sentry (shares no subtype with this product), Datadog (shares no subtype with this product), Grafana Cloud (shares no subtype with this product), BetterStack (shares no subtype with this product), Axiom (shares no subtype with this product), UptimeRobot (shares no subtype with this product), Pulsetic (shares no subtype with this product), Healthchecks.io (shares no subtype with this product), Prometheus (shares no subtype with this product), Jaeger (shares no subtype with this product), StatusCake (shares no subtype with this product), PagerDuty (shares no subtype with this product), Uptimia (shares no subtype with this product), Hyperping (shares no subtype with this product), incident.io (shares no subtype with this product), AppSignal (shares no subtype with this product), 360 Monitoring (shares no subtype with this product), StatusPile (shares no subtype with this product), bleemeo.com (shares no subtype with this product), Core Web Vitals History (none of this category's subtypes apply), deadmanssnitch.com (shares no subtype with this product), downtimemonkey.com (shares no subtype with this product), economize.cloud (none of this category's subtypes apply), fivenines.io (shares no subtype with this product), incidenthub.cloud (shares no subtype with this product), inspector.dev (shares no subtype with this product), linkok.com (none of this category's subtypes apply), loader.io (none of this category's subtypes apply), MonitorMonk (shares no subtype with this product), OntarioNet.ca CN Test (none of this category's subtypes apply), pagecrawl.io (shares no subtype with this product), pagertree.com (shares no subtype with this product), phare.io (shares no subtype with this product), pingbreak.com (shares no subtype with this product), Pingmeter.com (shares no subtype with this product), pingpong.one (shares no subtype with this product), robusta.dev (none of this category's subtypes apply), Servervana (shares no subtype with this product), Simple Observability (shares no subtype with this product), sitesure.net (shares no subtype with this product), skylight.io (shares no subtype with this product), statusgator.com (shares no subtype with this product), SweetUptime (shares no subtype with this product), syagent.com (shares no subtype with this product), UptimeObserver.com (shares no subtype with this product), uptimetoolbox.com (shares no subtype with this product), Wachete (shares no subtype with this product), SigNoz (shares no subtype with this product), Elastic (shares no subtype with this product), Grafana (shares no subtype with this product). Each is still listed in its category, with the vendor's own words we read that from on its page. How we decide this.

Middleware.io stable
Free
Full-stack observability platform — free forever plan: 100 GB/month data (APM, logs, infrastructure, traces, RUM, synthetics, database, serverless), 1,000 RUM sessions/month, 20,000 synthetic checks/month, 14-day data retention, unlimited users
Monitoring Read and confirmed 2026-10-26
Always Free
Always Free: all non-chargeable Google Cloud metrics, first 1M monitoring API calls/month. Dashboards, alerting, and uptime checks for GCP resources
Monitoring Read 2026-10-25 · catalogue date 2026-08-18
Hacker
Cron job and uptime monitoring — free Hacker plan: 5 monitors, 5-minute check frequency, email, Slack, and webhook alerts, 1 status page (50 subscribers), 12-month data retention, single user
Monitoring Read 2026-11-01 · catalogue date 2026-08-18
New Relic stable
Free
Full observability platform — 100 GB data ingest/month, 1 full platform user, unlimited basic users, 500 synthetic checks, 8+ days retention
Monitoring Read and confirmed 2026-10-24
Free
Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!
Monitoring Read 2026-10-24 · catalogue date 2026-07-08
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-24, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor.
OnlineOrNot stable
Free
Uptime and status page monitoring — free plan: 3 monitors (uptime, keyword, heartbeat), 3-minute check interval, 2 team members, 1 status page, SSL monitoring, multi-location checks, email/Slack/Discord alerts
Monitoring Read 2026-10-24 · catalogue date 2026-07-06
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-24, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor.
Sematext stable
Basic (Free)
Observability platform — Logs: 500 MB/day ingestion, 7-day retention. Monitoring: 3 hosts, 3 containers/host, 30-min data retention, 1 alert rule.
Monitoring Read 2026-10-28 · catalogue date 2026-07-05
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-28, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor.
Free
Superseded: As of 2026-08-28, xitoring.com reads: The page offers a 14-day free trial, and then paid plans starting at $4.99/mo for Uptime + SSL. We are not publishing our stored Xitoring.com terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones.
Monitoring Read 2026-10-29 · catalogue date 2026-07-13
−3 free_tier_withdrawn Recorded free tier removal on 2026-08-28: The page highlights a 14-day free trial, and then lists paid plans starting at $4.99/mo. Unconfirmed. We could not check this change against an archived copy of Xitoring.com's page, so it does not count toward the rating. Source: https://xitoring.com/
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-29, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor.
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
date
2026-11-14
query_key
alternative-to:assertible.com
seed
496a4bbcaed038655b47dbd8ba3083ffdb64b62c3e709fa8a1f874ef00f2c501
tie_count
4

Category Trends

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Frequently Asked Questions

What are the best free alternatives to assertible.com?
We publish no ranking of these. Nothing we record measures popularity or generosity, so naming a best or a top few would be our preference rather than our data. We hold 8 free alternatives to assertible.com, each listed below with its tier, category and the read and catalogue dates we hold. Of those, 4 carry no recorded demerit and are indistinguishable under every signal we hold, so they are listed in an order that rotates daily, 4 are demoted with the reason named. Our ranking rule is published at /criteria.
Is assertible.com's free tier still available?
Yes, assertible.com currently offers a free tier (Free). No pricing changes have been recorded.
How many free alternatives to assertible.com exist?
There are 8 free alternatives to assertible.com tracked on AgentDeals across the Monitoring category.
Has assertible.com changed their pricing?
No, assertible.com has no recorded pricing changes on AgentDeals. This indicates stable pricing.