Quick Verdict#

Nova Uptime is an all-in-one monitoring platform covering uptime, email deliverability records, content changes, domain expiry, and WhatsApp alerts — all for $99/year, billed once. HetrixTools is a specialized monitoring suite built for hosting providers, offering deep IP blacklist scanning and server monitoring across two separate products you purchase independently. Different tools built for different audiences.

TL;DR: Nova Uptime wins on email health analysis, content change tracking, failure screenshots, WhatsApp alerts, and bundled one-time pricing. HetrixTools wins on the free tier, check interval speed, IP blacklist scale (94 lists), server monitoring, and white-label status pages — particularly if you run a hosting business.

Overview#

What Is Nova Uptime?#

Nova Uptime is an all-in-one website monitoring platform by Antifragile Technologies (Dubai, UAE). It combines uptime monitoring, SSL certificate tracking, domain expiry detection (RDAP + WHOIS across 1,400+ TLDs), email deliverability monitoring (MX, SPF, DKIM, DMARC analysis scored against 60+ blacklists), URL content change tracking with text diffs, and Puppeteer-based failure screenshots — all in a single dashboard with a single billing relationship.

Nova Uptime uses one-time annual pricing. You pay once per year with no auto-renewal and no subscription lock-in.

What Is HetrixTools?#

HetrixTools launched in 2015 and has carved out a specific niche: hosting providers, web hosts, and VPS resellers. Customers include Shockbyte, KnownHost, and GGServers, along with 50+ hosting companies that use HetrixTools for uptime and IP reputation management.

The important thing to understand about HetrixTools is that it sells two separate products with independent pricing: an uptime monitor and a blacklist monitor. You manage two dashboards, receive two invoices, and configure two accounts. This is not a limitation — it reflects how HetrixTools was built, as a platform serving hosting providers who genuinely need both capabilities at enterprise scale. But it is a meaningful distinction if you expected a single product.

Feature Comparison#

Feature	Nova Uptime	HetrixTools
Uptime Monitoring	59s checks (Agency)	1-min checks (all plans, including Free)
SSL Certificate Tracking	30/14/7-day alerts	Included
Domain Expiry Monitoring	RDAP + WHOIS, 1,400+ TLDs	Included
Email Health (MX/SPF/DKIM/DMARC)	60+ blacklists, A-F grading	Not available
IP Blacklist Monitoring	60 lists (via email health)	94 lists, separate product
CLI Tool	`npm i -g novauptime` (all plans, including Free)	Not available
Bulk Import	Up to 100 domains at once	Not available
Activity Log / Audit Trail	Full audit trail with diffs	Not available
Incident Codes	Unique INC-XXXXXX per incident	Not available
Ongoing "Still Down" Alerts	Hourly reminders until recovery	Not available
Notification Pause	Mute alerts during maintenance (monitoring continues)	Not available
Domain Folders / Tags	Color-coded tags + filtering	Not available
Content Change Monitoring	Text diffs + screenshots	Keyword monitoring only
Failure Screenshots	Puppeteer-based	Not available
Server Monitoring	Not available	Included
Heartbeat / Cron Monitoring	Not available	Included
WhatsApp Alerts	All plans (including Free)	Not available
Email Alerts	All plans (including Free)	All plans
SMS / Voice Alerts	Not available	Included
Slack / Discord / Teams / Telegram	Not available	20+ integrations
Webhooks	HMAC-signed (Pro+)	Available
Multi-Location Confirmation	Single location	12 locations simultaneous
Maintenance Mode	Not available	Available
Network Diagnostics on Outage	Not available	Available
Nameserver Change Detection	Not available	Available
White-Label Status Pages	Embeddable widget	Full white-label
Team Members	Up to 20 (Agency)	Available
API Access	All plans (including Free)	Available
Free Plan	5 domains, 15-min checks	15 monitors, 1-min checks
Pricing Model	One-time annual	Two separate subscriptions

Pricing Comparison#

Nova Uptime Pricing#

Free: $0/year — 5 domains, 5 URLs, 5 email health domains, 15-min checks
Pro: $99/year — 100 domains, 100 URLs, 5-min checks, screenshots, WhatsApp, API
Agency: $699/year — 1,000 domains, 1,000 URLs, 59s checks, 20 team members

No subscriptions. No auto-charges. Pay once per year.

HetrixTools Pricing#

HetrixTools sells two products separately. You choose and pay for each independently.

Uptime Monitor:

Free: 15 monitors, 1-min checks, 4 check locations
Pro: $9.95/month ($99.95/year) — 30 monitors
Business: $19.95/month ($199.95/year) — 60 monitors
Enterprise: $49.95/month ($499.95/year) — 200 monitors

Blacklist Monitor (separate purchase):

Free: 32 IPs monitored, 24-hr check cycle, standard blacklists
Personal: $9.95/month
Pro: $19.95/month
Business: $39.95/month — up to ~4,096 IPs, 94 blacklists
Enterprise: $99.95/month — up to 16,384 IPs, 94 blacklists

Side-by-Side Cost Comparison#

Scenario	Nova Uptime	HetrixTools
100 domains uptime only	$99/yr (Pro)	$199.95/yr (Business)
100 domains + email/blacklist	$99/yr (everything bundled)	~$439.95/yr (Business Uptime + Business Blacklist)
1,000 domains uptime	$699/yr (Agency)	$499.95/yr (Enterprise)
Free tier monitors	5 (15-min)	15 (1-min)

The pricing picture shifts depending on what you need. If you only want uptime monitoring for 200 or fewer domains, HetrixTools Enterprise at $499.95/year is comparable to Nova Agency at $699/year. But if you also want IP blacklist monitoring at scale, adding HetrixTools Business Blacklist ($479.95/year) brings combined annual cost to around $720/year for both products — before considering that Nova Uptime includes email record analysis and content change monitoring at no additional charge.

Where Nova Uptime Wins#

1. Email Record Analysis vs. IP Blacklist Scanning#

This distinction matters and is worth stating precisely. HetrixTools checks whether IP addresses (your mail servers) appear on blacklists. Nova Uptime does that too (60 blacklists), but also analyzes your email configuration records: MX, SPF, DKIM, and DMARC.

These are different problems. An IP blacklist check tells you whether you are currently listed somewhere. An email record analysis tells you whether your email authentication is configured correctly in the first place — whether your SPF policy is too permissive, whether DKIM is present, whether your DMARC policy is actually enforcing anything.

If your SPF record has a misconfiguration that silently allows spoofing, HetrixTools will not catch it. Nova Uptime will flag it with a letter grade deduction and a specific recommendation. For businesses concerned about email deliverability rather than bulk IP reputation management, this distinction is significant.

2. Failure Screenshots#

When Nova Uptime detects your site is down, it captures a Puppeteer-rendered screenshot of what the page looks like at that moment and attaches it to the incident notification. Recovery screenshots are captured when the site comes back online.

HetrixTools does not capture failure screenshots. If your site goes down at 3 AM and recovers before you wake up, you have no visual record of what the error page displayed. Nova Uptime creates that audit trail automatically.

3. Content Change Monitoring#

Nova Uptime monitors URLs for content changes — detecting when page text changes, generating line-level text diffs, and capturing before/after screenshots. This is useful for tracking competitor pricing pages, monitoring government regulation pages, or verifying that your own content has not been modified unexpectedly.

HetrixTools offers keyword monitoring (checking whether a specific keyword is present or absent) but not content diff tracking. If a page changes significantly but your monitored keyword is still there, HetrixTools will not alert you.

4. WhatsApp Alerts#

Nova Uptime sends downtime alerts via WhatsApp on all plans (including Free) (Free includes 1 number, Pro 3, Agency 5). For teams across the Middle East, South Asia, Latin America, and Europe where WhatsApp is the primary communication platform, this is often the alert channel most likely to get an immediate response.

HetrixTools supports email, SMS, voice calls, Slack, Discord, Telegram, PagerDuty, Microsoft Teams, and 20+ other integrations — but not WhatsApp. It covers more integration destinations overall, but misses WhatsApp specifically.

5. Single Billing Relationship#

Nova Uptime is one product with one invoice. HetrixTools is two products. If you need both uptime and blacklist monitoring, you are managing two plans, two renewal dates, and two admin interfaces. For most businesses, that is unnecessary friction.

Where HetrixTools Has an Edge#

1. Built for Hosting Providers#

HetrixTools was designed specifically for the hosting industry, and it shows. White-label status pages let resellers present monitoring under their own brand. The IP blacklist monitoring scales to 16,384 IPs across 94 blacklists — something a VPS reseller managing hundreds of server IPs genuinely needs. Server monitoring, heartbeat checks, and network diagnostics on outage round out a feature set that fits hosting operations precisely.

If you run a web hosting business or VPS operation, HetrixTools is purpose-built for your workflow in a way that Nova Uptime, with its focus on website owners and agencies, is not.

2. Free Tier and Check Interval Speed#

HetrixTools' free plan includes 15 monitors with 1-minute check intervals at no cost. Nova Uptime's free plan offers 5 domains at 15-minute intervals. For developers evaluating the tool or running low-traffic personal projects, HetrixTools' free tier is meaningfully more capable.

On check speed, HetrixTools runs paid plans at 1-minute intervals across 12 simultaneous geographic locations. Nova Uptime runs paid checks at 5-minute intervals on Pro and 59-second intervals on Agency, from a single location. If sub-minute multi-location confirmation is a hard requirement, HetrixTools has an architectural advantage there.

3. White-Label Status Pages and Ecosystem Integrations#

HetrixTools offers full white-label status pages — useful for agencies and hosting companies that present client-facing dashboards under their own brand. Nova Uptime offers an embeddable widget that displays status on your own pages, but not a fully white-labeled standalone status page product.

HetrixTools also has a broader integration ecosystem: 20+ destination channels including Slack, Discord, Teams, PagerDuty, Telegram, and others. Nova Uptime focuses on email, WhatsApp, and webhooks. If your incident management workflow is deeply integrated with PagerDuty or Slack workflows, HetrixTools connects more natively.

Our Take: HetrixTools is a legitimate, well-built tool — particularly if you are a hosting provider who needs to monitor hundreds of server IPs across 94 blacklists and present white-labeled dashboards to clients. It has been doing that since 2015. For website owners, SaaS teams, and agencies who need uptime monitoring alongside email deliverability analysis, content change tracking, and failure screenshots, Nova Uptime delivers more complete coverage at a lower combined cost without managing two separate products.

Use Case Recommendations#

Choose Nova Uptime if you:#

Run a SaaS, agency, or ecommerce operation and need uptime + email health in one place
Want email record analysis (SPF, DKIM, DMARC) to catch deliverability issues before they affect campaigns
Need failure and recovery screenshots to document incidents for clients or internal post-mortems
Want WhatsApp alerts for immediate mobile notification
Prefer a single product, single billing relationship rather than managing two separate tools
Need content change monitoring with text diffs on monitored URLs
Want one-time annual pricing rather than recurring subscriptions

Consider HetrixTools if you:#

Run a web hosting or VPS reseller business that needs IP reputation management at scale
Need IP blacklist scanning across 94 blacklists for large pools of mail server IPs
Require server monitoring and heartbeat checks alongside uptime
Need white-label status pages to present under your own brand to clients
Rely on Slack, PagerDuty, or Teams workflows for incident escalation
Want multi-location simultaneous confirmation from 12 geographic nodes
Need the free tier for 15 monitors at 1-minute intervals

Verdict#

HetrixTools earned its 50+ hosting company customers by doing specific things exceptionally well: IP blacklist monitoring at scale, white-label presentation, and server-level diagnostics purpose-built for the hosting industry. If that describes your business, it is a strong tool.

For the broader category of website owners, digital agencies, and SaaS teams — the people who need to know whether their site is up, whether their emails are reaching inboxes, whether their content has changed, and whether their domain is about to expire — Nova Uptime provides more complete monitoring in a single dashboard, at a lower combined cost, with no recurring subscription.

Ready to monitor more than just uptime? Start free — no credit card required

Frequently Asked Questions#

Is Nova Uptime a HetrixTools alternative?#

For website owners, agencies, and SaaS teams, yes. Nova Uptime replaces the need for separate uptime and email health tools. For hosting providers who need IP blacklist monitoring across 16,000+ IPs and 94 blacklists with white-label dashboards, HetrixTools is purpose-built for that workflow in a way Nova Uptime is not.

Does HetrixTools monitor email deliverability?#

HetrixTools monitors IP addresses against blacklists — it tells you whether your mail server IPs are listed. It does not analyze your DNS-based email records (SPF, DKIM, DMARC). Nova Uptime checks both: IP blacklists (60 lists) and email authentication records, with scored recommendations for fixing misconfigurations.

Does Nova Uptime offer failure screenshots?#

Yes. Nova Uptime captures a Puppeteer-rendered screenshot when a domain goes down and again when it recovers. Both are attached to incident notifications. HetrixTools does not offer failure screenshots.

How much does HetrixTools cost for both uptime and blacklist monitoring?#

At the Business tier, HetrixTools Uptime costs $199.95/year and Blacklist Monitor costs $479.95/year — a combined total of approximately $680/year, billed separately. Nova Uptime Agency at $699/year includes uptime, email health, content change monitoring, domain expiry, and failure screenshots as a single bundled product.

Does HetrixTools support WhatsApp alerts?#

No. HetrixTools supports email, SMS, voice calls, and 20+ integrations including Slack, Discord, Telegram, and PagerDuty — but not WhatsApp.

Can I use both tools together?#

Yes. Nova Uptime's API (available on all plans, including Free) allows integration with external systems. Some teams use Nova Uptime for email health and content monitoring while using HetrixTools for hosting-specific IP reputation management. They serve different enough purposes that they can complement each other for hosting businesses that also need deliverability monitoring.

Pricing and features verified as of March 2026. Visit hetrixtools.com and novauptime.com for current information.

Nova Uptime vs HetrixTools: Full Comparison & Best Alternative