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Epsilon3 Reviews & Product Details

Epsilon3 Overview

What is Epsilon3?

Epsilon3 is the first AI-powered procedure management software for complex operations. Our software empowers teams to streamline complex workflows—from engineering and manufacturing to testing, certification, and live operations—within high-stakes and highly regulated industries. Trusted by industry leaders like NASA, Blue Origin, Firefly Aerospace, Sierra Space, Redwire, Shift4, AeroVironment, and Commonwealth Fusion Systems, as well as other commercial and government organizations, our secure, web-based tools help reduce errors, boost efficiency, and ensure quality and traceability at every step. Built by engineering leaders from SpaceX, NASA, and Google. Backed by Y Combinator, Lux Capital, and other reputable investors. Drive Mission Success with Epsilon3!

Epsilon3 Details
Product Website
Languages Supported
English
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Product Description

Software for complex engineering, testing, and operational procedures. At Epsilon3, we modernize space missions and complex engineering and testing by building the industry standard of operational software. We are a team of engineering and design leaders from Northrop, Google, and SpaceX, where we ran operations first-hand to bring American astronauts to the ISS. Current mission tools are neglected in a program lifecycle, creating inefficiency, errors, and added costs over the course of a project. Epsilon3 arms operators with the best possible tools throughout an entire project’s lifecycle, which result in 10X more efficiency and operator-friendliness.

How do you position yourself against your competitors?

Epsilon3’s Strengths: why we built our complex operations software and how it works differently than others.
- Procedures and tracking tests
- Data collection and traceability
- Multiple operator sign-off
- User-friendly
- Integrative and Streamlined


Seller Details
Seller
Epsilon3
Company Website
Year Founded
2021
HQ Location
Los Angeles, California
Twitter
@Epsilon3Inc
888 Twitter followers
LinkedIn® Page
www.linkedin.com
22 employees on LinkedIn®
Description

Epsilon3 was purpose-built to help teams manage complex work—from engineering, assembly, and testing to certification and live operations—within highly regulated industries like aerospace, energy, robotics, life sciences, and manufacturing. NASA, Blue Origin, Sierra Space, Redwire, AeroVironment, Commonwealth Fusion Systems, and many other innovative teams use our secure web-based platform to plan and execute mission-critical procedures. Built by engineering leaders from SpaceX, NASA, and Google. Backed by Y Combinator, Lux Capital, and other reputable investors. Drive Mission Success with Epsilon3!


Max M.
MM
Overview Provided by:

Recent Epsilon3 Reviews

Verified User
U
Verified UserEnterprise (> 1000 emp.)
4.5 out of 5
"easy to use, and new features"
check on billing of material, look up projects and current and past work being done
JC
jason c.Enterprise (> 1000 emp.)
5.0 out of 5
"Epsilon3 Review"
Very easy to navigate for tech buys and engineering steps
Verified User
U
Verified UserEnterprise (> 1000 emp.)
3.5 out of 5
"Epsilon Review // Shift4"
I like that you can clearly select steps, after one step what do you need to do when multiple results can occur. It is also great that guides/arti...
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Epsilon3 Security
Get security information from Epsilon3 to help you buy the right software. View Security Information
Epsilon3 security information includes:
GDPR (General Data Protection Regulation)
SOC 2 (System and Organization Controls 2)
NIST Cybersecurity Framework (National Institute of Standards and Technology)

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251 Epsilon3 Reviews

4.2 out of 5
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251 Epsilon3 Reviews
4.2 out of 5
251 Epsilon3 Reviews
4.2 out of 5

Epsilon3 Pros and Cons

How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Cons

Overall Review Sentiment for Epsilon3Question

Time to Implement
<1 day
>12 months
Return on Investment
<6 months
48+ months
Ease of Setup
0 (Difficult)
10 (Easy)
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LM
Mechanical Engineer II
Mid-Market(51-1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
(Original )Information
What do you like best about Epsilon3?

I use Epsilon3 almost daily when deployed to our test site, and semi regularly when working from the office.

Compared to other test procedure writing/execution software I have used, Epsilon3 has the most functionality, smoothest operation (in terms of loading in a web browser and allowing steps to be executed quickly and easily), and most logical user interface (no hidden buttons, well labelled etc.).

We have also moved to version control of high level test and operational procedures, and the ability to suggest edits, add redline/blueline steps to procedures as they are conducted is a very effective way to save suggested changes without unapproved changes to the released procedures.

We also work at a remote test site which has limited network coverage. Epsilon3 has worked flawlessly, allowing us to continue testing and completing procedures even with intermittent network access.

The ability to have simple logic/numerical calculations built into run steps is also a great feature, eliminating the need for operators to do manual calculations in high stress environments.

Coming from our other software packages, procedures can be far more easily written and implemented, even for inexperienced users.

I can't comment on customer/technical support as I still haven't had to use it! Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

I don't have any notable dislikes of Epsilon3! Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Epsilon3 has been invaluable for execution of testing activities which need to follow a defined procedure. When conducting tests, we need to be able to focus on the task at hand. Having an efficient, non laggy software package is critical for this to avoid unnecessary distractions and time lost while testing. Epsilon3 has provided this. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks for the review! You can already add photos to any run step in the comment field or by dragging and dropping a photo or clicking add attachment and taking a photo from the camera directly. You can also use the attachment field input type to require a photo on a given step.

Sebastian H.
SH
STAHR Structures Teamlead
Mid-Market(51-1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
What do you like best about Epsilon3?

I really like how intuitive the tool is. I had to create new procedures during a launch campaign with only little time to spare. Althougth I only had little prior experience with epsilon I was able to create the checklists I needed without spending much time on learning to use the tool. I also like that the tool is web based. As long as you know your login data you can use it on any device anywhere. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

The print function could use some refinement. At least in Firefox when you print a checklist epsilon only uses the standard print function of the webbrowser, which outputs non-ideal documents. Sometimes a workstep gets cut in halve at the end of the page and the rest is printed on the next page. This can be a bit confusing when you are working under pressure at the launch pad. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Helps me to quickly create checklists/procedures which keep me from making mistakes while working on fligth hardware. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks! Sorry about the issues with print; we'll work to improve that!

Simona T.
ST
Customer service representative
Enterprise(> 1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
What do you like best about Epsilon3?

Its intuitive interface makes it easy to follow procedures and coordinate across teams, reducing errors and time delays—critical benefits in industries where precision and efficiency are paramount. The platform’s integration capabilities with other data sources and tools help create a seamless, centralized place for monitoring processes and sharing updates. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

One potential drawback of Epsilon3 could be its learning curve for teams who are new to digital procedure management or transitioning from traditional methods. Adapting complex workflows to the platform’s structure may initially require time and training, especially for teams unfamiliar with similar systems. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Improved Accuracy and Consistency: By digitizing procedures, Epsilon3 reduces errors that might occur with manual processes, ensuring that everyone follows the latest version of any given procedure.

Increased Efficiency: With faster access to procedures, an intuitive interface, and built-in tracking, teams can save time and focus on executing their tasks rather than managing paperwork. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks for the feedback! We are working on some ways to make the new user experience and initial training easier.

Zachary H.
ZH
Engine Test Co-Lead
Mid-Market(51-1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
(Original )Information
What do you like best about Epsilon3?

Epsilon3 makes it very easy to create procedures by giving many options to build upon. The ability to assign reviewers, and give users different roles that they are allowed to sign off on are most helpful to me. There are many different ways to create steps for procedures with pretty much any form of user input - photos, checkboxes, user type input as well as more automated integration types. It has made what used to be printed out procedures to a much smoother, faster way of working Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

Repeating procedures can be sometimes hard to manage if something is being repeated many times. It would be nice if the old sections that are now being repeated could be hidden and not take up limited space on the side bar. You could have option to show them and of course see them when procedure is over but ultimately they are out of the way to not confuse where you are at the time of running them. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Constantly having to print out procedures is a hassle, editing them had no formal way of reviewing and ultimately was changing an excel sheet. Epsilon 3 allowed reviewers to be assigned and formarlized the release of procedures that had been reviewed for safety, and correctness Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks, Zachary! This is super helpful feedback. We're working on some improvements for how we handle repeats and the UI around that, so we will take your ideas into account.

Edvinas B.
EB
Customers representative
Enterprise(> 1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
(Original )Information
What do you like best about Epsilon3?

It is a great platform to find all relatable informaiton for work. There are multiple topics that are devided even deeper with more advanced and useful information that helps to resolve different questions and issues.

Also, it is great to grow as professioanl and develop individual skills. Has many interesting features. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

It is hard to find the specific answer that you are looking for it. It takes longer than usual to gather all necessary information to faster proceed with problem solving. Sometimes it is hard get with user interface.

Very generic topics are provided and quite less topics with specific or very nische questions being written. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Epsilon3 help with procedures in work environemnt. Benefiting to get better knowledge as profesional and as individual. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks, Edvinas, for the review! I'm sorry that sometimes it's hard to navigate around or gather the necessary info. We would love to make this easier in the future!

Verified User in Financial Services
UF
Enterprise(> 1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
What do you like best about Epsilon3?

We, in our company, use Epsilon 3 daily. I think Epsilon3 is a good knowledge base tool for procedures. It’s really helpful because it breaks down each article into clear, simple steps. This can be especially useful for new team members as it makes it easier to learn and follow the process. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

I’m not a fan of the interface (it looks a little old) and the procedure titles with the codes can be a bit confusing which makes it harder to search for the right knowledge base and is a little time consuming.

While it can be helpful for new hires, it can be frustrating for senior team members. The procedure sections are not searchable until they are opened, so using ctrl+f doesn’t always work correctly unless each section containing the specific keyword is opened first. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

We use Epsilon3 as a knowledge base for our internal company's articles and guides. Some of these cover technical topics, which help me and others in the company find the right troubleshooting steps when needed, others focus on procedures - like resetting customer passwords or updating their account information on file. As I mentioned earlier - it's a great tool for the new hires as the procedures can be organized in step by step guides, making them easy to follow. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks! We'll work to make procedure search inside procedures better!

Vilius R.
VR
Paymets Support Representative
Enterprise(> 1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
What do you like best about Epsilon3?

I like epsilon3 because it has step by step guides on how to solve a problem, or how to perform a task. I use it a couple times per week, because the job that I'm working, requires me to research information in this platform. It is quite easy to use, because the search engine is pretty good, and its easy to find topics that I want. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

I think Epsilon3 sometimes lacks the simplicity, it is quite complex and not very intuitive at first, when you just start using it. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Epsilon3 helps me solve problems like troubleshooting credit card readers, it gives an instruction how they work, and how to configure specific settings on it. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks for the feedback! We are working on some ways to simplify the UI while also keeping it as powerful as it is.

Gintaras N.
GN
Supervisor
Enterprise(> 1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
(Original )Information
What do you like best about Epsilon3?

Running the procedures, when built right, it's really easy to understand the steps that you have to take. It's really good for Customer Support, guides are intergrated really great and easy to use. I use the app every single day with no issues at all. There's millions of features that you can implement like adding numbers, it calculating for you. Seems like it was really easy to implement the app to our company. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

Sometimes the app works a bit slower, nothing too big but just a note. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Easy steps for calls, it makes it easy to follow instructions on a call, shows scipts, you can put numbers in and with commands it will calculate what you need. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks, Gintaras! Sorry to hear about the occasional performance issues; we are working to speed things up very soon!

Verified User in Airlines/Aviation
UA
Mid-Market(51-1000 emp.)
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Validated Reviewer
Verified Current User
Review source: G2 invite on behalf of seller
Incentivized Review
What do you like best about Epsilon3?

- clear and straight forward signature loop

- time stamped steps, etc work well

- great capability to export the time stamps for data analysis later

- typed notes much faster and neater than our old method of e-pdf with e-pen scribbles. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

- can't seem to make a comment which NEEDs to be reviewed/signed. As in, a comment which is a dependency to a whole card being signed (minor thing)

- browsing for the procedures / runs isn't the easiest, luckily the search works well enough

- sometimes hard to find the procedure and not the run.

- would be great to have the flight test limitations section as hyperlinks to our jira boards where they detail the limitations (this might be up to the test card creator, i can't tell) Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

We needed a piece of software to have test procedures which can be signed, timestamped and commented (timestamped too). It does this very well Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks for the feedback! We recently released some search-related updates that will help with some of those points and will look into the rest.

AL
Propulsion Development Engineer
Small-Business(50 or fewer emp.)
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Validated Reviewer
Review source: G2 invite on behalf of seller
(Original )Information
What do you like best about Epsilon3?

i really enjoy how it interfaces with the user with the planning is completed. it is user friendly and I also enjoy that it is not difficult to learn how to use. Review collected by and hosted on G2.com.

What do you dislike about Epsilon3?

I would really love it if the checkboxes to make sure users have read the steps were on the right side instead of the left. The reason behind this is that it forces the user to completely read the steps rather than click it when it is on the left side. I also would like Epsilon3 to have the capanility to have different fonts and colors for the wording. There are times I want to highlight a step or a value and I cannot bold, italicize, underline, color the words in green or red.

Also when I am inputing data values from procedures and I have to look at about 50 runs on the same procedure this is very difficult. i want to run a procedure with a specific name or number so when i look through all the data it is easy to see which one it is rather than me geussing based ont he time it ran. I also want to see who started the run on that procedure. Review collected by and hosted on G2.com.

What problems is Epsilon3 solving and how is that benefiting you?

Having a common location for production and test work orders. Having a location where the whole company follows a format on how to do production and testing. Review collected by and hosted on G2.com.

Response from Max Mednik of Epsilon3

Thanks, Angelica! This is great feedback! You can already name/number runs manually using tags and operations, and it already shows on the left side who started the run. You can also already use Markdown to format the text however you want except color, which is by design since the app reserves certain colors like red for warnings/errors. We'll definitely discuss the rest of your feedback with our design team!