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SPECIFICTION
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Tessabyte

netmantics.com

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Spec score 7.7 #22 of 33 in Network Testing Software

What it is

Tessabyte measures performance on wired and wireless networks, including speed, packet loss, and jitter. Listed uses include Wi-Fi speed tests, network capacity tests, link quality analysis, stress tests, QoS assessment, and SLA verification. It tests across LAN and Wi-Fi using IPv4, IPv6, TCP, and UDP. Results can chart uplink and downlink speeds, packet loss, and jitter; users can customize payloads and generate reports. The software has client and server components, and multiple clients can connect to one server. The server component is free and can be installed on unlimited Windows, macOS, or Linux machines. Its evaluation version is fully functional for 30 days from first execution. Client licenses are one-time purchases: the 1-user license is $39 as a one-time purchase, and licenses are also listed for three, five, ten, and 25 users. Each Windows or macOS client user license allows installation on up to three personal machines, and one license is required per user. Purchases include technical support and software updates for one year; the license remains usable afterward, with upgrades available separately. Tessabyte is self-hosted, and its maker describes it as intended for professionals who have outgrown iPerf.

Spec sheet

Purpose
Tessabyte measures network performance on wired and wireless networks, including speed, packet loss, and jitter.Read 7 Oct 2026 · netmantics.com
Intended users
The maker describes Tessabyte as crafted for professionals who have outgrown iPerf.Read 7 Oct 2026 · netmantics.com
Platforms
Downloads are listed for Windows, macOS, iOS/iPadOS, and Linux; the Linux download includes only the server daemon.Read 7 Oct 2026 · netmantics.com
Trial
The evaluation version is fully functional for 30 days from first execution.Read 7 Oct 2026 · netmantics.com
Privacy
The EULA says activation is anonymous and the software does not collect, transmit, or share users’ personal information; it may connect to check for updates and activate a license.Read 7 Oct 2026 · netmantics.com
Headquarters
Sheridan, Wyoming, USARead 28 Sep 2026 · netmantics.com
Architecture
Tessabyte uses client and server components and supports multiple clients connecting to one server.Read 7 Oct 2026 · netmantics.com
License limit
Each Windows or macOS client user license allows installation on up to three personal machines, and one license is required per user.Read 7 Oct 2026 · netmantics.com
Metrics and reports
It charts uplink and downlink speeds, packet loss, and jitter, allows payload customization, and can generate reports.Read 7 Oct 2026 · netmantics.com
Protocols
The product supports testing across LAN, Wi-Fi, IPv4, IPv6, TCP, and UDP.Read 7 Oct 2026 · netmantics.com
Server licensing
The server component is free and may be installed on unlimited Windows, macOS, or Linux machines.Read 7 Oct 2026 · netmantics.com
Support contact
The contact page offers help with technical questions, orders, purchase orders, and pre-sales inquiries.Read 7 Oct 2026 · netmantics.com
Updates and support
A purchase includes free technical support and software updates for one year; the license can then continue to be used, with upgrades available separately.Read 7 Oct 2026 · netmantics.com
Use cases
Listed uses include Wi-Fi speed tests, network capacity tests, link quality analysis, stress tests, QoS assessment, and SLA verification.Read 7 Oct 2026 · netmantics.com

Plans and prices

1-user license $39, paid once $39 1 user · Windows and macOS · license permits installation on up to three personal machines Read 7 Oct 2026 · netmantics.com
3-user license $99, paid once $99 (15% off) 3 users · Windows and macOS Read 7 Oct 2026 · netmantics.com
5-user license $149, paid once $149 (25% off) 5 users · Windows and macOS Read 7 Oct 2026 · netmantics.com
10-user license $249, paid once $249 (35% off) 10 users · Windows and macOS Read 7 Oct 2026 · netmantics.com
25-user license $499, paid once $499 (50% off) 25 users · Windows and macOS Read 7 Oct 2026 · netmantics.com

Every Tessabyte plan and price →

Strong points and limits

Strong points

  • Tests speed, packet loss, and jitter.
  • Supports LAN, Wi-Fi, IPv4, IPv6, TCP, and UDP.
  • Multiple clients can connect to one server.
  • The server component is free for unlimited installations.

Limits

  • Evaluation access lasts 30 days from first execution.
  • A license is required per client user.
  • Client licenses cover Windows and macOS, not Linux.
  • Updates and support are included for one year.

Who it suits

Tessabyte suits professionals measuring network quality who want client-server testing across wired or wireless connections. Its free server component can be installed on unlimited Windows, macOS, or Linux machines.

Verdict

Tessabyte offers network metrics, reporting, and a self-hosted client-server arrangement. Check the per-user licensing and client platform limits when planning a deployment.

Where Specifiction places it

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