Direct answer: at annual pricing, 50/100/200 monitors and 3–5 users, uptime/synthetic monitoring in 2026 costs about: 50 monitors + 3 users — Checkly 24, UptimeRobot 33, Better Stack 87; 100 monitors + 3 users — UptimeRobot 33, Checkly 40, Better Stack 87; 200 monitors + 5 users — UptimeRobot 67, Checkly 104, Better Stack 145 USD per month. Checkly is lowest at 50 monitors; UptimeRobot is lowest at 100–200; Better Stack is the most expensive for checks alone, but bills per responder with unlimited monitors and bundles on-call/status pages/logs/monitoring. If you only need HTTP/ping availability, UptimeRobot’s unit price is hard to beat; if you need API/browser synthetic transactions, Checkly’s check allowance matters more; if you already pay 29/responder for on-call, Better Stack’s unlimited monitors may beat buying a separate monitoring tool.
This guide is for SRE, operations and procurement teams running website/API availability, synthetic transactions, SSL/DNS checks, status pages and alerting. Data cut-off: 6 November 2026; prices come from the US pricing pages of Checkly, UptimeRobot and Better Stack, in USD, excluding tax; all TCOs are editorial calculations, not vendor quotes. “Monitor/check/responder/seat” mean different things, so official facts, editorial assumptions and non-comparable items are kept separate.
Checkly Starter 24/month includes 50 uptime, 3k browser/25k API checks and 3 users; Team 64/month includes 75 uptime, 12k browser/100k API and 10 users, with extra 25 monitors at 8. UptimeRobot Team 33/month includes 100 monitors/3 seats; Scale 67/month includes 200 monitors/5 seats. Better Stack is 29/responder/month with unlimited monitors, on-call/status/logs included. Checkly wins at 50 monitors, UptimeRobot at 100–200; Better Stack sells “unlimited + all-in-one”.
Three meters: monitor tier, check allowance, responder
Checkly: Hobby 0 (10 uptime, 2-minute, 1 user); Starter 24/month annual with 50 uptime, 1-minute, 3 users, 3k browser/25k API checks; Team 64/month with 75 uptime, 30-second, 10 users, 12k browser/100k API; extra 25 uptime monitors cost 8/month; browser overage 6.50/1k, API overage 2.60/10k. UptimeRobot: Free 50 monitors/5-minute; Solo 12/month (10 monitors, 60-second, 1 seat); Team 33/month (100 monitors, 30-second, 3 seats); Scale 67/month (200 monitors, 15-second, 5 seats); SMS/voice credits extra. Better Stack: Free 10 monitors/heartbeats and one status page; Responder 29/month annual or 34 monthly, unlimited monitors, including on-call/incident/status pages/logs/traces and unlimited phone/SMS.
| Platform/tier | Annual monthly price | Monitors/allowance | Users/boundary |
|---|---|---|---|
| Checkly Hobby | 0 | 10 uptime; 1,000 browser/10k API | 1 user; 2-minute |
| Checkly Starter | 24 | 50 uptime; 3k browser/25k API | 3 users; 1-minute |
| Checkly Team | 64 | 75 uptime; 12k browser/100k API | 10 users; 30-second; extra 25 monitors 8 |
| UptimeRobot Team | 33 | 100 monitors | 3 seats; 30-second |
| UptimeRobot Scale | 67 | 200 monitors | 5 seats; 15-second |
| Better Stack Responder | 29/responder | Unlimited monitors | On-call/status/logs/unlimited phone&SMS included |
Sources: Checkly Pricing, UptimeRobot Pricing and Better Stack Pricing (US, accessed 6 November 2026). USD, excluding tax; Checkly/UptimeRobot use annual prices; Better Stack uses Responder annual price. SMS/voice, extra seats, status pages, logs/traces, support and migration are separate.
Three tiers: Checkly lowest at 50, UptimeRobot at 100–200
Monitors/responders only, annual: 50 monitors + 3 users — Checkly 24, UptimeRobot 33 (100 tier, oversized), Better Stack 87 (3 responders); 100 monitors + 3 users — UptimeRobot 33, Checkly 40 (50 tier + 2 × 25 extra), Better Stack 87; 200 monitors + 5 users — UptimeRobot 67, Checkly 104 (75 tier + 5 × 25 extra), Better Stack 145 (5 responders). Annual: 288/396/1,044; 396/480/1,044; 804/1,248/1,740. Better Stack is always “responders × 29”, so more monitors make it relatively cheaper, but at 50–200 it is still above the other two.
| Scenario | Checkly | UptimeRobot | Better Stack |
|---|---|---|---|
| 50 monitors + 3 users | 24.00 | 33.00 | 87.00 |
| 100 monitors + 3 users | 40.00 | 33.00 | 87.00 |
| 200 monitors + 5 users | 104.00 | 67.00 | 145.00 |
Editorial calculation, not a quote. Checkly = Starter/Team fee + max(0, monitors − 50/75)/25 × 8; UptimeRobot = Team/Scale annual monthly fee (100/200 monitors included); Better Stack = responders × 29. Excludes tax, SMS/voice, extra seats, status pages, logs/traces, API/browser overage, support and migration; UptimeRobot’s 50-monitor case uses the 100-monitor Team tier because there is no 50-monitor paid tier.
Why the ranking flips: monitor tier vs check allowance vs responder
UptimeRobot’s cost jumps by monitor tier: 100 monitors 33, 200 monitors 67, with a lower unit price at higher tiers; at 50 monitors you can only buy the 100 tier, so it is above Checkly. Checkly combines “uptime monitors + synthetic check allowance”: 50 monitors at 24 is cheap, but each extra 25 monitors is 8, so 200 is 104; heavy browser/API checks are extra. Better Stack is 29 per responder with unlimited monitors: 3 people 87, 5 people 145, the same from 10 to 1,000 monitors; it gets relatively cheaper as monitors grow but is above the other two at 50–200. Ask first “will monitor count keep growing?” and “do we need browser/API synthetic transactions?”.
| Platform | Cost driver | 50 monitors | 200 monitors | Most-missed item |
|---|---|---|---|---|
| Checkly | Monitor tier + check allowance | 24 | 104 | Browser/API overage, users |
| UptimeRobot | Monitor tier + seats | 33 | 67 | No 50 tier; SMS credits |
| Better Stack | Responders | 87 | 145 | Unlimited monitors; on-call/logs included |
Editorial calculation, not a quote. Excludes tax, SMS/voice, extra seats, status pages, logs/traces, check overage, support and migration; “50 monitors” uses UptimeRobot’s 100-monitor tier and “200 monitors” uses Checkly Team + extra 25 blocks.
Feature boundaries: availability, synthetic transactions, all-in-one
UptimeRobot is more “URL/ping/port/SSL/DNS availability + alerts + status pages”, fitting many lightweight monitors; Checkly is more “uptime + API/browser synthetic transactions”, able to run Playwright checks for login/checkout flows, but monitors/checks/users are tier-limited; Better Stack is “monitoring + on-call + status pages + logs/traces” all-in-one, billed per responder with unlimited monitors, fitting teams that already keep alerting/on-call/logs together. For HTTP 200 checks only, UptimeRobot’s 100/200 tiers are cheapest; for browser transactions, Checkly’s allowance is worth more; to reduce tool count, Better Stack’s overall bill may be lower.
| Capability | UptimeRobot | Checkly | Better Stack |
|---|---|---|---|
| HTTP/ping/port/SSL/DNS | Yes | Yes | Yes |
| API/browser synthetic | Limited | Yes (Playwright/API) | Partial/by product |
| Monitor count | Tiers 50/100/200 | 50/75 + extra 25 | Unlimited |
| Users/seats | 1/3/5 | 1/3/10 | Unlimited members |
| On-call/status/logs | Status pages/integrations | Status pages/alerting | On-call/status/logs included |
| Typical use | Many lightweight monitors | Synthetic transactions | All-in-one observability |
Sources: the three official pricing pages (accessed 6 November 2026). This is a public tier overview; check types, regions, frequency, SLA, status pages, logs/traces and compliance depend on tier/contract. No feature-equivalence assumption is made.
Which option fits which scenario?
Up to 50 monitors, uptime/synthetic only: Checkly Starter 24; 100–200 lightweight HTTP/ping: UptimeRobot Team/Scale 33/67; need Playwright/API transactions such as login/checkout: Checkly Team from 64, with check allowance; want unlimited monitors and on-call/status/logs in one: Better Stack 29/responder, 87 for 3 and 145 for 5; enterprise compliance/private regions/custom frequency: all three Enterprise quotes. If monitor count will keep growing, Better Stack’s “per person, not per monitor” is more resistant; if only availability and the count is stable, UptimeRobot’s tier price is lower.
| Scenario | First choice | Why | Check first |
|---|---|---|---|
| ≤50 monitors/uptime | Checkly Starter | 24 includes 50 monitors/3 users | Check allowance, regions |
| 100–200 lightweight monitors | UptimeRobot Team/Scale | 33/67 includes 100/200 | No 50 tier, SMS credits |
| API/browser synthetic | Checkly Team | Playwright/API allowance | Overage, concurrency, users |
| Unlimited monitors/all-in-one | Better Stack | 29/responder, on-call/logs included | Responders, feature tier |
| Enterprise compliance/private regions | All three Enterprise | Contract/compliance/custom | SLA, residency, support |
| Personal/trial | Free tiers | Zero cost | Monitor/frequency/user caps |
Sources: the three official pricing pages (accessed 6 November 2026). This is an editorial decision matrix, not vendor advice; detection latency, false-positive rate, global node quality, synthetic stability and support response were not tested.
What should procurement and acceptance specify?
At least ten things: monitor count/type, check frequency, regions/nodes, API/browser transactions, users/seats, alert channels, status pages, SLA/support, data retention, migration/integrations. Run a 2–4 week POC on real monitors and record detection latency, false positives/misses, synthetic success rate, alert delivery, status pages and the bill; do not compare only “price per monitor”.
- Monitors: HTTP/ping/port/SSL/DNS, count and growth; third-party service monitors.
- Frequency: 1/2/5-minute, regions, retries; whether high frequency costs extra.
- Synthetic: API/browser/Playwright, steps, concurrency, check allowance.
- Users: seats/members, RBAC, SSO, audit.
- Alerts: email/SMS/phone/chat/webhook; SMS credits.
- Status pages: page count, subscribers, custom domain, white-label.
- Data: raw/aggregated retention, export, API.
- SLA: availability, support response, status page, regions.
- Contract: annual/monthly, seat/monitor changes, overage, renewal uplift.
- POC: 2–4 weeks of real monitors; latency, false positives, synthetic, alerts, status page and bill.
FAQ
What is cheapest for 50 monitors?
Checkly Starter 24, UptimeRobot Team 33, Better Stack 3 responders 87 per month. Checkly includes 50 uptime/3 users/3k browser/25k API; UptimeRobot only sells a 100-monitor tier at this level; Better Stack is per responder and expensive for 50 monitors.
What about 100–200 monitors?
100: UptimeRobot 33, Checkly 40, Better Stack 87; 200: UptimeRobot 67, Checkly 104, Better Stack 145. UptimeRobot has the lowest tier price; Checkly has stronger synthetic allowance; Better Stack is unlimited monitors but per responder.
What if monitors grow to 500/1,000?
Better Stack stays responders × 29 (87 for 3, 145 for 5) with unlimited monitors; Checkly adds 8 per 25, so 500 is about 64 + 17 × 8 = 200; UptimeRobot at 500 requires a Scale/Enterprise quote. With many monitors and a small team, Better Stack’s per-person model resists growth.
Is Checkly’s cost in checks or monitors?
Both: Starter is 50 monitors/3 users/3k browser/25k API; Team is 75 monitors/10 users/12k browser/100k API; extra monitors are 8 per 25, browser overage 6.50/1k and API 2.60/10k. For heavy synthetic use, model check allowance first, not just monitor count.
Why is UptimeRobot 33 for 50 monitors?
Paid tiers are 10/100/200 monitors, so 50 requires the 100-monitor tier at 33; if you only need 50, Checkly at 24 is cheaper. UptimeRobot’s advantage is the 100/200 tier unit price and 15-second frequency.
What does Better Stack’s 29 include?
Responder includes on-call/incident, unlimited monitoring, status pages, logs/traces entry and unlimited phone/SMS, billed per responder rather than per monitor. At 50–200 monitors it is usually above the other two, but with many monitors/tools the overall bill may be lower.
What hidden costs should we expect?
SMS/voice credits, extra seats, status page/subscribers, browser/API overage, logs/traces, SSO/audit, enterprise SLA/private regions, migration/integration and tax. UptimeRobot SMS/voice uses credits; Checkly checks/users are tier-limited; Better Stack’s higher features/logs tiers are extra.
Can we compare only “price per monitor”?
No. UptimeRobot bills by monitor tier, Checkly by monitors + checks + users, Better Stack by responder; the same 100 monitors can be 33/40/87, a 2.6× spread. Use your own 30-day monitor count, check types, frequency and users in a POC.
Research method and limitations
This article separates “official facts” from “editorial modelling”: Checkly Starter/Team prices, monitor/check allowances and extra-monitor price, UptimeRobot Team/Scale monitor tiers and seats, and Better Stack Responder annual price/unlimited monitors come from the three US pricing pages (accessed 6 November 2026); the 50/100/200-monitor totals are arithmetic on published unit prices, not vendor quotes. It does not compare detection latency, false-positive rate, global node quality, synthetic stability or support response.
Eight limitations: (1) only US public list prices are used, excluding tax, discounts, commitments and regional differences; (2) monitors/responders only, excluding SMS/voice credits, extra seats, status pages, browser/API overage, logs/traces, support and migration; (3) the products are not feature-equivalent: UptimeRobot is lightweight availability, Checkly is synthetic transactions, Better Stack is all-in-one; (4) the 50-monitor case uses UptimeRobot’s 100 tier, and the 200-monitor case uses Checkly Team + extra 25 blocks; (5) detection latency, false positives/misses, node coverage, synthetic success and failover were not tested; (6) Pingdom, Datadog Synthetics and Grafana Synthetic Monitoring are excluded; (7) enterprise contracts may include volume pricing; public annual prices are used; (8) prices and terms can change by contract, region and exchange rate. Treat this as a monitor-tier conversion template and replace assumptions with a 2–4 week real-monitor POC.
Sources and basis
- Checkly, Pricing: checklyhq.com/pricing. Hobby 0 (10 uptime/1 user/2-minute); Starter 24/month (50 uptime/3 users/3k browser/25k API); Team 64/month (75 uptime/10 users/12k browser/100k API); extra 25 monitors 8; browser overage 6.50/1k, API 2.60/10k. Accessed 6 November 2026.
- UptimeRobot, Pricing: uptimerobot.com/pricing. Free 50 monitors/5-minute; Solo 12/month (10 monitors/1 seat); Team 33/month (100 monitors/3 seats/30-second); Scale 67/month (200 monitors/5 seats/15-second); SMS/voice credits extra. Accessed 6 November 2026.
- Better Stack, Pricing: betterstack.com/pricing. Free 10 monitors/heartbeats and one status page; Responder 29/month annual (34 monthly), unlimited monitors, including on-call/incident/status pages/logs/traces and unlimited phone/SMS. Accessed 6 November 2026.
Data cut-off 6 November 2026; prices are public list prices excluding tax; all models are editorial calculations. This is not procurement advice.