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    FourSight vs UptimeRobot

    Looking for a UptimeRobot alternative?

    Commercial use allowed on every plan — including Free — plus 8 check types, 4-region quorum consensus, and flat pricing from $16/mo for 50 monitors with 1-minute checks.

    FourSight is an UptimeRobot alternative built for commercial workloads: the Free plan allows business use (10 monitors, no card), Starter is $16/mo for 50 monitors with 1-minute checks, and every check runs from 4 regions with quorum consensus — so you switch because of UptimeRobot's 2025 repricing without inheriting single-region false positives.

    Why switch?

    FourSight vs UptimeRobot: the breakdown

    This page is for the moment after the renewal quote or the terms-of-service email — when you're actively deciding whether to switch away from UptimeRobot, not researching what it is. (If you're still on the policy question, our guide Can You Use UptimeRobot for Commercial SaaS? covers it neutrally; if you only care about cost, the UptimeRobot pricing breakdown prices every tier.)

    First, the case for staying: UptimeRobot has been a default pick since 2010 for good reason. Its brand recognition is real, its mobile apps for iOS and Android are genuinely good (something FourSight doesn't offer today), and most reviews on G2 and Capterra are positive. Two things changed the calculation in 2025 — the plan restructuring that legacy users report made renewals dramatically more expensive, and the repositioning of the free tier as non-commercial (both detailed in the dated section above). For hobby sites, none of this matters much. For businesses, it converted a free dependency into a purchasing decision.

    The technical trade-offs matter once you're paying. UptimeRobot's check architecture is single-location per scheduled run, with a confirmation re-check from another location on failure. That catches hard outages but is structurally weaker against regional network blips, CDN routing problems, and short availability dips — the classic sources of false positives — than running every check from multiple regions in parallel. Paid tiers shorten the interval to 60 seconds; the architecture stays the same.

    FourSight is built specifically for the case where uptime data has to be trustworthy enough to drive on-call paging, customer-facing SLA reporting, and revenue protection. Every check fans out to four regions (US, Canada, Europe, APAC) in parallel, and an incident only opens when a quorum agrees the endpoint is down. Add SSL expiry, DNS drift, domain expiry via RDAP, keyword, port, and heartbeat/cron monitoring under flat plan pricing, and the comparison stops being about the cheapest monitor and starts being about how often you get paged for nothing.

    If your business depends on the monitor being right — not just present — evaluate both products on architecture and policy, not just the per-monitor price. This page lays out both sides, including where UptimeRobot is still the better pick, and ends with the migration steps if you decide to move.

    The timeline

    What changed at UptimeRobot in 2025–26?

    Most people searching for an UptimeRobot alternative in 2026 aren't unhappy with the product — they're reacting to two specific changes. Here's what actually happened, with dates, so you can decide whether they affect you.

    2025

    Plan restructuring and reported price increases

    In 2025 UptimeRobot restructured its paid plan lineup. Users on older legacy plans reported steep renewal increases when moved onto the new structure — community threads on r/selfhosted and dev.to cited jumps of 400% or more for some legacy configurations (as reported by users; individual outcomes vary and UptimeRobot's current published prices are lower for new signups). If you're a legacy customer, compare your renewal quote against current market pricing before auto-renewing.

    2025

    Free tier restricted to non-commercial use

    Alongside the restructuring, UptimeRobot's terms and help-center pages began positioning the free plan for personal, non-commercial use, with businesses expected to move to paid plans (as announced/published by UptimeRobot; verify the current policy on uptimerobot.com). Thousands of small businesses had quietly run production monitoring on the 50-monitor free tier for years — this change is what sent most of them shopping.

    2026

    Where that leaves buyers

    UptimeRobot remains a capable, well-known product with fair new-customer pricing. But if you're a business that was on the free tier, you now have to pay someone — which makes July 2026 the right moment to compare what each dollar buys: check types, regions, consensus, status pages, and alerting, not just monitor counts.

    All UptimeRobot policy and pricing details above are third-party facts, as reported in community threads and as published by UptimeRobot as of July 2026. Policies and prices change — verify against uptimerobot.com before making a decision.

    Advantages

    Why teams choose FourSight over UptimeRobot

    Commercial use allowed — even on Free

    UptimeRobot's free tier is positioned for non-commercial use (as published in its 2025 terms). FourSight's Free plan explicitly allows monitoring business sites, client projects, and revenue apps — 10 monitors, no credit card.

    4-region quorum consensus on every plan

    UptimeRobot verifies an outage by re-checking from another location. FourSight checks from US, Canada, Europe & APAC in parallel and only opens an incident when a quorum agrees — a structurally stronger defense against 3 AM false positives.

    8 check types under one flat price

    HTTP, keyword, SSL expiry, DNS drift, domain expiry (RDAP), ping, TCP/UDP port, and heartbeat/cron — all included from the Growth plan ($40/mo) with no per-feature add-ons.

    30-second intervals and escalation policies

    Growth and Pro check every 30 seconds (Scale: 15 seconds) from 4 regions, with escalation policies, maintenance windows, and incident timelines included rather than sold as add-ons.

    Status pages included on every plan

    Every FourSight plan includes at least one hosted public status page — up to 25 white-label pages on Scale. No status-page add-on math.

    Pricing

    Pricing: FourSight vs UptimeRobot

    Per-monitor, UptimeRobot's entry plan is cheaper than FourSight's — we won't pretend otherwise. The math below shows what each tier actually includes, so you can price the difference against what it buys. (For the cost-only deep dive, see the [dedicated UptimeRobot pricing comparison](/compare/uptimerobot-pricing).)

    Scenario FourSight UptimeRobot
    10 monitors, commercial project Free — $0. Commercial use allowed, 4-region quorum, email alerts, 1 status page. Free tier is non-commercial only (per 2025 policy) — a business needs Solo at ~$8/mo billed annually.
    50 monitors, 1-minute checks Starter — $16/mo ($144/yr annual). Slack + HMAC webhooks, maintenance windows, 2 status pages. Solo — ~$8/mo billed annually. Cheaper, but single-location checks and 60-second fastest interval.
    100 monitors, team access, all check types Growth — $40/mo ($360/yr annual). 30s intervals, all 8 types incl. heartbeat, escalation policies, 5 status pages. Team — ~$34/mo. Similar price; 60s intervals, no DNS-drift checks, no quorum consensus.
    250–500+ monitors, SMS, white-label Pro — $80/mo (250 monitors, SMS included) / Scale — $160/mo (500+, white-label, 25 status pages, SLA). Enterprise — from ~$54/mo depending on volume and features; SMS via credits.

    UptimeRobot figures as published July 2026 — verify with the vendor. UptimeRobot restructured plans in 2025, and legacy-customer pricing may differ from new-signup pricing. FourSight prices are from our public pricing page (annual billing ≈ 25% discount).

    FourSight Free: 10 monitors, 4-region quorum checks, email alerts, 1 status page — commercial use allowed. UptimeRobot Free: 50 monitors at 5-minute intervals, but positioned for non-commercial use only (as published July 2026 — verify with the vendor).

    FourSight Starter ($16/mo): 50 monitors, 1-minute intervals, Slack & webhook alerts, maintenance windows, 2 status pages. UptimeRobot's entry Solo plan is cheaper (~$8/mo billed annually, as published July 2026 — verify with the vendor) — but single-location checking, and commercial workloads are pushed off the free tier entirely.

    FourSight Growth ($40/mo): 100 monitors, 30-second intervals, all 8 check types, escalation policies, multi-user orgs, 5 status pages. UptimeRobot's Team tier (~$34/mo, as published July 2026 — verify with the vendor) is priced similarly but checks each monitor from one location at a time and runs at 60-second intervals.

    Full FourSight plan details are on the pricing page — five flat tiers, annual billing ≈ 25% off, no per-monitor surprise fees.

    Want the cost-only deep dive? See the UptimeRobot pricing comparison.

    Feature comparison

    Side-by-side comparison

    Feature FourSight UptimeRobot
    Monitoring
    HTTP monitoring
    Ping monitoring
    Keyword / content checks Growth+
    Port monitoring Growth+
    SSL certificate expiry Growth+ Paid plans
    Domain expiry tracking Growth+ (RDAP) Paid plans
    DNS drift detection Growth+
    Heartbeat / cron monitoring Growth+ Paid plans
    Parallel multi-region checks (4 regions)
    Quorum-based consensus
    Fastest interval 30s (15s on Scale) 60s (paid)
    Alerting
    Email alerts
    Slack alerts Starter+
    Webhook alerts Starter+ (HMAC-signed) Paid plans
    SMS alerts Pro+ (included) Paid / credits
    Escalation policies Growth+
    Mobile app (iOS/Android)
    Status Pages & Ops
    Public status page included Every plan Limited on Free
    Custom CSS / white-label pages Pro+ / Scale Paid plans
    Incident management with timelines Starter+ Basic
    Maintenance windows (recurring) Starter+ Paid plans
    Pricing & Policy
    Free plan monitors 10 50
    Free plan commercial use Allowed Non-commercial only*
    Entry paid plan $16/mo (50 monitors) ~$8/mo (annual)*
    100 monitors, team features $40/mo (Growth) ~$34/mo (Team)*

    * UptimeRobot figures as published July 2026 — verify current plans, prices, and policies with the vendor. FourSight figures reflect our current published plans.

    Honest take

    Who should choose which

    Comparison pages usually pretend the writer's tool wins every scenario. Here's the fair version — when FourSight is the right call, and when UptimeRobot still is.

    Choose FourSight if…

    FourSight is the better fit when the cost of a missed or false alert is higher than the cost of the tool.

    • You run a commercial product and want a free tier (or paid plan) that explicitly allows business use — no gray area after UptimeRobot's 2025 policy change.
    • You need SSL expiry, DNS drift, domain expiry, port, keyword, or heartbeat/cron checks alongside HTTP — under one flat price instead of scattered add-ons.
    • Your team is tired of being paged at 3 AM for single-region blips: 4-region quorum consensus is the entire design premise.
    • You want status pages, incident timelines, escalation policies, and maintenance windows included rather than billed as extras.
    • You publish or sell against an uptime SLA and need multi-region evidence to back the number.

    Choose UptimeRobot if…

    UptimeRobot is still the right answer in a few specific situations, and we'll say so plainly.

    • You're monitoring personal projects or non-revenue endpoints: 50 free monitors (non-commercial) beats FourSight's 10.
    • You want a polished native mobile app for on-the-go monitoring — UptimeRobot's iOS/Android apps are a real strength FourSight doesn't match today.
    • You want the absolute lowest paid entry price: Solo at ~$8/mo (annual, as published July 2026) undercuts FourSight Starter at $16/mo.
    • Brand longevity matters to your stakeholders — UptimeRobot has run since 2010 and isn't going anywhere.

    Migration

    How to migrate from UptimeRobot to FourSight

    There's no import tool — FourSight doesn't have a CSV importer today, and we won't pretend otherwise. But monitors are just URLs plus a check type, so manual re-creation is fast: most teams re-create 20 monitors in under 15 minutes.

    Estimated time: 10–20 minutes for a typical 10–30 monitor setup; ~45 minutes for 50+
    1. 1

      Export your UptimeRobot monitor list

      From the UptimeRobot dashboard, copy your monitor URLs, types, and intervals (the API or a manual copy of the Monitors page both work). You only need URL, check type, and interval — historical data can't move between vendors anyway.

    2. 2

      Create a FourSight account

      Sign up at foursight.cloud — no credit card. The Free plan includes 10 monitors with 4-region quorum consensus and allows commercial use, which is enough to pilot the migration before paying anything.

    3. 3

      Re-create monitors by hand

      Use Add Monitor for each URL, picking HTTP, Ping, SSL, DNS, Domain, Keyword, Port, or Heartbeat. Each monitor takes 20–30 seconds. Match your UptimeRobot intervals, or tighten them (1-min on Starter, 30s on Growth).

    4. 4

      Wire up alert channels

      Add Email, Slack, Webhook, or SMS destinations under Notifications. If you used UptimeRobot's webhook, note the payload format differs — FourSight webhooks are HMAC-signed; see our docs for the schema.

    5. 5

      Run both in parallel for 7–14 days

      Leave UptimeRobot running until you've seen FourSight catch at least one real incident (or a test one — take a staging box down) and confirmed the alert path end to end.

    6. 6

      Rebuild the status page and cancel

      Recreate your public status page in FourSight, point any custom domain at it, then downgrade or cancel UptimeRobot at the end of your billing cycle.

    No credit card. No import tool needed — monitors are just URLs plus a check type.

    FAQ

    Common questions

    Is UptimeRobot free for commercial use?

    Based on UptimeRobot's 2025 policy change, its free plan is positioned for personal, non-commercial use — businesses are expected to move to a paid plan (as published in UptimeRobot's terms and help center as of July 2026; verify with the vendor). FourSight's Free plan explicitly allows commercial use: 10 monitors, 4-region quorum checks, email alerts, and a status page, with no credit card required.

    Can I migrate from UptimeRobot to FourSight?

    Yes. There's no CSV importer today, so you re-create monitors by hand — each one is just a URL plus a check type, and most teams re-create 20 monitors in under 15 minutes. Run both tools in parallel for a week before cancelling.

    Does FourSight have a free plan like UptimeRobot?

    Yes. FourSight Free includes 10 monitors, multi-region quorum validation, email alerts, and a hosted status page — no credit card, and commercial use is allowed. UptimeRobot's free tier offers more monitors (50) but is positioned for non-commercial use.

    How does multi-region consensus work?

    Every check runs in parallel from 4 regions (US, Canada, Europe, APAC). FourSight only opens an incident when a quorum of regions agree the endpoint is down, so a single region's network blip won't trigger a false alert.

    How much did UptimeRobot's prices go up in 2025?

    There's no single number. New-customer pricing remained competitive, but users on legacy plans reported renewal increases of 400% or more in community threads when moved to the restructured lineup (as reported on r/selfhosted and dev.to; individual outcomes vary — check your own renewal quote). The bigger change for most small businesses was the free tier being repositioned as non-commercial.

    Is FourSight more expensive than UptimeRobot?

    At the entry tier, yes: Starter is $16/mo vs UptimeRobot Solo at ~$8/mo billed annually (as published July 2026 — verify with the vendor). The difference funds 4-region quorum checks, HMAC-signed webhooks, maintenance windows, and included status pages. At the 100-monitor team tier the prices converge (~$34 vs $40), and FourSight includes 30-second intervals, escalation policies, and all 8 check types.

    Does FourSight have a mobile app like UptimeRobot?

    No — that's an honest UptimeRobot advantage. FourSight alerts route through email, Slack, HMAC-signed webhooks, and SMS (Pro+), which is how most on-call teams receive pages on mobile, but there's no dedicated iOS/Android app today.

    Can I import my UptimeRobot monitors into FourSight automatically?

    Not yet — there is no CSV or API importer today, and we'd rather tell you that than surprise you. Monitors are re-created manually; each is just a URL plus a check type, and most teams re-create 20 monitors in under 15 minutes.

    Can I keep my UptimeRobot status page URL?

    No tool can take over another vendor's hostname. You can recreate the page in FourSight and point a custom domain at it, or 301-redirect the old URL via your CDN once you're ready to cut over.

    How long until I'm paged after an outage?

    On Growth and above, FourSight checks every 30 seconds across 4 regions. A quorum confirms within 1–2 check cycles, so most real outages are paged within 60–90 seconds — without the false pages single-region checkers generate.

    Further reading

    References & UptimeRobot reviews

    First-party docs and independent directories so you can verify the comparison above.

    The verdict

    UptimeRobot is still a fine product — and for personal projects its free tier remains the category's most generous. But if the 2025 repricing or the non-commercial free-tier policy is what brought you here, you're a business buyer now, and businesses should buy architecture: FourSight's 4-region quorum, 8 check types, included status pages, and explicit commercial-use permission make it the more defensible choice from $16/mo.

    Ready to switch from UptimeRobot?

    No credit card required. 10 free monitors. Multi-region consensus from day one.