---
title: "FourSight Pricing — Free Uptime Monitoring to $160/mo, Flat Rates"
description: "Free: 10 monitors, no card, commercial use OK. Paid from $16/mo for 50 monitors with 1-min checks. All plans include 4-region consensus. No per-monitor fees."
lang: en
json-ld: |
  [
    {
      "@context": "https://schema.org",
      "@type": "SoftwareApplication",
      "@id": "https://foursight.cloud/#software",
      "name": "FourSight",
      "applicationCategory": "BusinessApplication",
      "operatingSystem": "Web",
      "description": "Multi-region website monitoring with 8 check types and 4 global regions.",
      "image": "https://foursight.cloud/og-image.png",
      "url": "https://foursight.cloud",
      "offers": [
        {
          "@type": "Offer",
          "priceCurrency": "USD",
          "priceValidUntil": "2027-12-31",
          "availability": "https://schema.org/OnlineOnly",
          "url": "https://foursight.cloud/pricing",
          "name": "Free",
          "price": "0",
          "description": "10 monitors, 5-min intervals, email alerts"
        },
        {
          "@type": "Offer",
          "priceCurrency": "USD",
          "priceValidUntil": "2027-12-31",
          "availability": "https://schema.org/OnlineOnly",
          "url": "https://foursight.cloud/pricing",
          "name": "Starter",
          "price": "16",
          "description": "50 monitors, 1-min intervals, Slack & webhooks",
          "priceSpecification": {
            "@type": "UnitPriceSpecification",
            "price": "16",
            "priceCurrency": "USD",
            "billingDuration": "P1M"
          }
        },
        {
          "@type": "Offer",
          "priceCurrency": "USD",
          "priceValidUntil": "2027-12-31",
          "availability": "https://schema.org/OnlineOnly",
          "url": "https://foursight.cloud/pricing",
          "name": "Growth",
          "price": "40",
          "description": "100 monitors, 30s intervals, all 8 types, Slack & webhooks",
          "priceSpecification": {
            "@type": "UnitPriceSpecification",
            "price": "40",
            "priceCurrency": "USD",
            "billingDuration": "P1M"
          }
        },
        {
          "@type": "Offer",
          "priceCurrency": "USD",
          "priceValidUntil": "2027-12-31",
          "availability": "https://schema.org/OnlineOnly",
          "url": "https://foursight.cloud/pricing",
          "name": "Pro",
          "price": "80",
          "description": "250 monitors, 30s intervals, priority support",
          "priceSpecification": {
            "@type": "UnitPriceSpecification",
            "price": "80",
            "priceCurrency": "USD",
            "billingDuration": "P1M"
          }
        },
        {
          "@type": "Offer",
          "priceCurrency": "USD",
          "priceValidUntil": "2027-12-31",
          "availability": "https://schema.org/OnlineOnly",
          "url": "https://foursight.cloud/pricing",
          "name": "Scale",
          "price": "160",
          "description": "500+ monitors, 15s intervals, SLA, white-label",
          "priceSpecification": {
            "@type": "UnitPriceSpecification",
            "price": "160",
            "priceCurrency": "USD",
            "billingDuration": "P1M"
          }
        }
      ]
    },
    {
      "@context": "https://schema.org",
      "@type": "FAQPage",
      "mainEntity": [
        {
          "@type": "Question",
          "name": "Is the free plan really free for business use?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes — FourSight's free plan allows commercial use. Monitor client sites, production apps, and anything you're paid to keep online: 10 monitors, 4-region consensus, email alerts, and a status page, permanently free with no card."
          }
        },
        {
          "@type": "Question",
          "name": "How does pricing work?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Each plan includes a fixed number of monitors for a flat monthly price. You can also purchase additional monitors in blocks of 50 on Starter and Growth plans."
          }
        },
        {
          "@type": "Question",
          "name": "Can I switch plans at any time?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes. Upgrades are prorated immediately. Downgrades take effect at the end of your current billing period."
          }
        },
        {
          "@type": "Question",
          "name": "Is there a free trial for paid plans?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "We don't offer time-limited trials, but the Free plan is permanent — start there and upgrade whenever you're ready."
          }
        },
        {
          "@type": "Question",
          "name": "What payment methods do you accept?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "We accept all major credit and debit cards via Stripe. Invoicing is available for Scale plans on request."
          }
        },
        {
          "@type": "Question",
          "name": "What happens if I exceed my monitor limit?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "You won't be able to create new monitors until you upgrade, add more monitor blocks, or remove existing ones. Existing monitors continue to run."
          }
        },
        {
          "@type": "Question",
          "name": "Do annual plans auto-renew?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes, annual plans renew automatically. You can cancel or switch to monthly at any time from your billing settings."
          }
        },
        {
          "@type": "Question",
          "name": "How do additional monitor blocks work?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Starter and Growth plans can add monitors in blocks of 50. You can add up to 200 additional monitors (4 blocks)."
          }
        }
      ]
    },
    {
      "@context": "https://schema.org",
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://foursight.cloud/"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Pricing",
          "item": "https://foursight.cloud/pricing"
        }
      ]
    }
  ]
---

[FourSight ](/)

[Features](/#features)[Pricing](/pricing)[Guides](/guides)[Glossary](/glossary)[FAQ](/faq)

[Login](/auth)[Start free](/auth?signup=true)

[Start free](/auth?signup=true)

Transparent pricing

# Simple, flat-rate pricing

Start free with 10 monitors. Upgrade for more monitors, faster checks, and advanced monitor types — no per-monitor fees.

MonthlyAnnual

Save 20%

## Free

For side projects and personal sites.

$0 forever 

-   Up to 10 monitors
-   HTTP & Ping monitor types
-   5-minute check intervals
-   Multi-region validation (4 regions)
-   Email alerts only
-   1 status page
-   24-hour history
-   Incident timeline

[Start free](/auth?signup=true)

## Starter

For indie devs & small SaaS teams.

$16 /month 

-   Up to 50 monitors (expandable)
-   HTTP & Ping monitor types
-   1-minute check intervals
-   Multi-region validation (4 regions)
-   Email, Slack & Webhook alerts
-   Up to 2 status pages
-   14-day history & charts
-   Incident management
-   Maintenance windows
-   Single user

Additional monitorsNone — 50 monitors total 

[Get started](/auth?signup=true&redirect=%2Fapp%2Fbilling%3Fcheckout%3Dstarter%26billing%3Dmonthly)

Most Popular

## Growth

For teams that need comprehensive monitoring.

$40 /month 

-   Up to 100 monitors (expandable)
-   All 8 monitor types incl. Heartbeat (HTTP, Ping, SSL, DNS, Domain, Keyword, Port, Heartbeat)
-   30-second check intervals
-   Multi-region validation (4 regions)
-   Email, Slack & Webhook alerts
-   Up to 5 status pages
-   30-day history & charts
-   Escalation policies
-   Maintenance windows (one-time & recurring)
-   Multi-user orgs with roles

Additional monitorsNone — 100 monitors total 

[Get started](/auth?signup=true&redirect=%2Fapp%2Fbilling%3Fcheckout%3Dgrowth%26billing%3Dmonthly)

## Pro

For funded startups and agencies.

$80 /month 

-   Up to 250 monitors (expandable)
-   All 8 monitor types incl. Heartbeat
-   30-second check intervals
-   Multi-region validation (4 regions)
-   Email, Slack, Webhook & SMS alerts
-   Up to 10 status pages with custom CSS
-   90-day history & charts
-   Advanced incident timelines
-   Unlimited escalation policies
-   Maintenance windows (one-time & recurring)
-   Multi-user orgs with role-based access
-   Priority support

[Get started](/auth?signup=true&redirect=%2Fapp%2Fbilling%3Fcheckout%3Dpro%26billing%3Dmonthly)

## Scale

For agencies and serious SaaS teams.

$160 /month 

-   500+ monitors
-   All 8 monitor types incl. Heartbeat
-   15-second check intervals
-   Multi-region validation (4 regions)
-   All alert channels + phone support
-   Up to 25 status pages with custom domains
-   1-year history & charts
-   SLA guarantee
-   White-label status pages
-   Unlimited escalation policies
-   Multi-user orgs with role-based access
-   Dedicated support

[Get started](/auth?signup=true&redirect=%2Fapp%2Fbilling%3Fcheckout%3Dscale%26billing%3Dmonthly)

Prefer invoicing? [Contact sales](mailto:sales@tetracorehq.com)

## How billing works

1

#### Choose a plan

Pick the tier that matches your monitor count and check interval needs.

2

#### Add monitors

Need more? Add monitors in blocks of 50 at a per-monitor rate.

3

#### One flat price

Pay a single monthly or annual fee — base plan plus any add-on blocks.

## How FourSight compares

Like-for-like at 50 monitors, as published July 2026 — verify current rates with each vendor.

Tool

~50 monitors

Notes

FourSight

$16/mo (Starter)

1-min checks, 4-region consensus, status pages included

Hyperping

$24/mo

50-monitor tier

Better Stack

from $29/mo

entry tier; strong logs/incident tooling

Pingdom

~$50–65/mo

scales to ~$95–124/mo at 100 monitors

Full breakdowns in the [comparison library](/compare).

## How the free plans compare

Free tiers as published mid-2026 — each has a different strength; verify current terms with each vendor.

Free tier

Monitors

Interval

Regions per check

Commercial use

First paid tier

FourSight

10

5 min

4 (quorum consensus)

Allowed

$16/mo (Starter)

UptimeRobot

50

5 min

single location

Positioned non-commercial (2025 policy)

~$8/mo (Solo)

Better Stack

10

up to 30 sec

not published as consensus

Aimed at personal projects

~$25/mo

The honest read: UptimeRobot's free tier has the most monitors, Better Stack's checks the fastest, and FourSight's is the one that allows commercial use and validates every check from four regions before alerting. Details in [the pricing comparisons](/compare/uptimerobot-pricing).

## Pricing FAQ

### Is the free plan really free for business use?

### How does pricing work?

### Can I switch plans at any time?

### Is there a free trial for paid plans?

### What payment methods do you accept?

### What happens if I exceed my monitor limit?

### Do annual plans auto-renew?

### How do additional monitor blocks work?

## Ready to get started?

No credit card required for the free plan.

[Sign up free](/auth?signup=true) [Login](/auth)

FourSight 

© 2026 [TetraCore](https://tetracorehq.com/). All rights reserved.

FourSight is a TetraCore product — Bowling Green, Ohio.

Product

[Pricing](/pricing)[Guides](/guides)[Glossary](/glossary)[FAQ](/faq)[About](/about)[For Agencies](/solutions/agencies)[For Startups](/solutions/startups)[Privacy](/privacy)[Terms](/terms)

Features

[Cron Job & Heartbeat Monitoring](/features/cron-job-monitoring)[SSL Certificate Monitoring](/features/ssl-monitoring)[Status Pages](/features/status-pages)[Domain Expiry Monitoring](/features/domain-expiry-monitoring)[DNS Monitoring](/features/dns-monitoring)[Port Monitoring](/features/port-monitoring)

Compare

[All comparisons](/compare)[vs UptimeRobot](/compare/uptimerobot-alternative)[vs StatusCake](/compare/statuscake-alternative)[vs Freshping](/compare/freshping-alternative)[vs Pingdom](/compare/pingdom-alternative)[vs Pulsetic](/compare/pulsetic-alternative)[vs Better Stack](/compare/better-stack-alternative)[vs Uptime Kuma](/compare/uptime-kuma-alternative)[vs Cronitor](/compare/cronitor-alternative)[vs Healthchecks.io](/compare/healthchecks-alternative)[vs Hyperping](/compare/hyperping-alternative)

Pricing Guides

[UptimeRobot Pricing](/compare/uptimerobot-pricing)[StatusCake Pricing](/compare/statuscake-pricing)[Pingdom Pricing](/compare/pingdom-pricing)[Better Stack Pricing](/compare/better-stack-pricing)[Uptime Kuma Pricing](/compare/uptime-kuma-pricing)[Cronitor Pricing](/compare/cronitor-pricing)[Healthchecks.io Pricing](/compare/healthchecks-pricing)[Hyperping Pricing](/compare/hyperping-pricing)[Pulsetic Pricing](/compare/pulsetic-pricing)