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Prefix

Powerful, free code profiler for .NET & Java web apps

see alternatives

Table of Contents

Prefix - 2026 Pricing, Features, Reviews & Alternatives

All user reviews are verified by in-house moderators and provider data by our software research team. Learn more

Prefix overview

What is Prefix?

Prefix isn’t your standard code profiler. Not only does is it a code profiler, it displays details per web request so you can understand what your .NET or Java web app is doing & how long it takes.

Built on Stackify's proven APM+ technology. View details of every ASP.NET request, SQL queries, web service calls, key methods, all logs, and more. Provides detailed trace of every web request with no messy config or code changes.

Prefix is a FREE code profiler. Developers can run it on their workstations 24/7 without ever affecting performance. Prefix runs fast on your devBox and is always ready. If you are ready for the next level in code profiling, Stackify offers a Premium version with even more features.

Key benefits of using Prefix

• Find and fix application issue before anyone knows they exist
• Deploy more confidently to QA and production
• Syncs with Stackify's full application lifecycle platform across all environments to give you access and visibility to your code
• This tool couldn't be easier for developers to acquire, use, and get value from—it's free, we just ask for a valid email to activate
• Runs on your workstation; no hassle from IT, never tax your CPU

Starting price

20per user /
per month

Alternatives

with better value for money

Prefix’s user interface

Ease of use rating:

4.7

(29)

Prefix reviews

Overall rating

4.7

Positive reviews

Rating breakdown

Value for money
Ease of use
Features
Customer support
Likelihood to recommend8.74/10

Rating distribution

Pros

“Its not intrusive and will sit quietly monitoring while I run everything locally, it also has a great UI and makes me look around 43% smarter when its on my second screen.”

Verified reviewer

Anonymity request

“Its the most useful tool right now in he market to identify and solve a troubleshoot. Intuitive system, easy to use.”

Jahiezer I.

Desarrollador

“It has helped me so much in writing better code hy reducing how many calls to our database i was making and help me identify exactly why a few pages where taking so long to load.”

Patrick M.

Senior Software Developer

Cons

“The problem was a component that populated a string lookup from the database in the constructor and was not set to be a singleton in the dependency injector container.”

Werner v.

Consultant

“Sometimes it's a little confusing when the prefix icon appears in the system toolbar (on windows) if prefix is really running and taking up a lot of resources or if it's just in a sort-of idle mode.”

Ben B.

“Within 60 seconds of using Prefix I discovered a nested loop that was performing over 100 DB calls that I was completely unaware of.”

Ben B.

Who uses Prefix?

Based on 29 verified user reviews.

Company size

Small Businesses

Enterprises

Midsize Businesses

Top industries

Information Technology and Services

Computer Software

Electrical/Electronic Manufacturing

Financial Services

Others

Use cases

- Not enough reviews

Prefix's features

Features rating:

4.4

(29)

Debugging

(0)

Graphical user interface

(0)

Integrated development environment

(0)

Multiple programming languages supported

(0)

Software development

(0)

Prefix alternatives

Prefix

4.7

(29)

Starting from

/user

Per month

Free trial

Free version

Ease of Use

4.7

Features

4.4

Value for Money

4.9

Customer Support

4.6

Jira

4.5

(15.2K)

visit website

Starting from

7.91

Per month

Free trial

Free version

Ease of Use

4.1

Features

4.4

Value for Money

4.3

Customer Support

4.2

Caspio

4.6

(248)

visit website

Starting from

540

Per month

Free trial

Free version

Ease of Use

4.4

Features

4.4

Value for Money

4.3

Customer Support

4.5

New Relic

4.5

(195)

visit website

Starting from

Free

Free trial

Free version

Ease of Use

4.2

Features

4.5

Value for Money

4.0

Customer Support

4.2

Prefix pricing

Value for money rating:

4.9

Pricing plans

Pricing details:

Free plan

Free trial

Subscription

COMMUNITY EDITION

0.00

PREMIUM EDITION

/user

Per month

User opinions about Prefix price and value

Value for money rating:

4.9

(29)

To see what individual users think of Prefix's price and value, check out the review snippets below.

“Its not intrusive and will sit quietly monitoring while I run everything locally, it also has a great UI and makes me look around 43% smarter when its on my second screen.”

Verified reviewer

Anonymity request

“Its the most useful tool right now in he market to identify and solve a troubleshoot. Intuitive system, easy to use.”

Jahiezer I.

Desarrollador

Prefix integrations (1)

Top integrations

Retrace by Netreo

Prefix support options

Typical customers

Freelancers

Small businesses

Mid size businesses

Large enterprises

Platforms supported

Web

Android

iPhone/iPad

Support options

Email/Help Desk

Prefix FAQs

Q. What type of pricing plans does Prefix offer?

Prefix has the following pricing plans:
Starting from: $0.00
Pricing model: Free, Subscription
Free Trial: Available | (No Credit Card required)

These products have better value for money

Q. Who are the typical users of Prefix?

Prefix has the following typical customers:
Freelancers, Large Enterprises, Mid Size Business, Small Business

Q. What languages does Prefix support?

Prefix supports the following languages:
English

Q. Does Prefix offer an API?

No, Prefix does not have an API available.

Q. What other apps does Prefix integrate with?

Prefix integrates with the following applications:
Retrace by Netreo

Q. What level of support does Prefix offer?

Prefix offers the following support options:
Email/Help Desk

Related categories

Application Development