Quick Answer
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ntopng costs Free to $1.5K per year as of May 2026. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available

ntopng true cost runs -100% above the listed $0-$1499/year price as of May 2026. For a 25-person team, expect ~$562 in year-one costs vs the $225,000 base license. Key hidden costs: annual maintenance renewal: 25% of license cost if renewed within 1 month after expiration, or 75% for late renewals - adds $75-$375+/year for professional through enterprise l, hardware infrastructure costs: ntopng requires dedicated hardware or vms with 8-32gb+ ram depending on network size, costing $1,000-$10,000+ upfront, storage costs for historical data: packet capture and flow data retention requires significant disk space, estimate $500-$3,000+ for storage infrastructure. Verified from 4 sources by CostBench.

Hidden Costs Breakdown

1

Annual maintenance renewal: 25% of license cost if renewed within 1 month after expiration, or 75% for late renewals - adds $75-$375+/year for Professional through Enterprise L

2

Hardware infrastructure costs: ntopng requires dedicated hardware or VMs with 8-32GB+ RAM depending on network size, costing $1,000-$10,000+ upfront

3

Storage costs for historical data: packet capture and flow data retention requires significant disk space, estimate $500-$3,000+ for storage infrastructure

4

Professional services: complex deployments or custom integrations require consulting at $150-$250/hour, typically $2,000-$10,000 for enterprise implementations

5

Training costs: while ntopng has good documentation, effective use of advanced features may require training at $500-$2,000 per person

6

Perpetual license renewals: after first year, must pay 25% of license cost annually to continue receiving updates and support, or 75% for late renewals

7

Enterprise L Bundle additional costs: bundled tools (nProbe, nScrub) each have separate pricing that adds to Enterprise L base cost, potentially $1,000-$5,000+/year

8

Integration development: custom integrations with SIEM, ITSM, or automation platforms require development effort, $1,000-$5,000 depending on complexity

9

Scaling limitations: Community edition has feature restrictions that may force upgrade to Professional ($299/year) or Enterprise ($899-$1,499/year) as network grows

Example: True Cost for 25 Users

License (25 × $750 × 12) $225,000/yr
Implementation (one-time) +$15,000–$50,000
Premium Support (20%) +$45,000/yr
Training (25 × $500) +$12,500
Admin (part-time) +$15,000–$25,000/yr
Estimated Year 1 Total ~$562
That's roughly 0.0× the advertised license price.