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ReadMe vs Zscaler Software [Private Offer Only] comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

ReadMe
Ranking in AWS Marketplace
35th
Average Rating
8.6
Number of Reviews
4
Ranking in other categories
No ranking in other categories
Zscaler Software [Private O...
Ranking in AWS Marketplace
458th
Average Rating
7.6
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Featured Reviews

TejaswiniAleti - PeerSpot reviewer
Member Technical at ADP
Centralized API documentation has improved collaboration and reduces onboarding time
Overall, I have had a positive experience with ReadMe, but there are a few areas where I think it could improve. One is customization. While it is easy to create clean documentation, making deeper UI or layout customizations can be somewhat limiting without additional effort. Having more built-in customization options would help teams tailor the developer portal to their branding and documentation needs. I would also like to see more advanced analytics. It would be useful to have richer insights into which APIs are viewed most frequently, where developers spend the most time, and which document pages generate the most support requests. Those metrics could help us continuously improve our documentation. Another improvement would be the tighter integration with Git-based development workflows. While synchronizing documentation works well, making documentation updates, previews, and reviews even more seamless as part of the pull request process would improve the developer experience. All of these are not major issues. They are enhancements that would make an already solid platform even better. Overall, ReadMe has worked well for our API documentation needs. An additional improvement I would like to see is better support for documentation versioning and change tracking. In enterprise applications, APIs evolve over time, and having more intuitive tools to compare versions and clearly highlight changes would make it easier for both internal teams and external consumers to adopt new API versions. I would also appreciate more built-in collaboration features, such as richer review workflows or commenting capabilities for documentation changes before they are published. That would make it easier for developers, QA teams, and technical writers to review documentation together and keep it accurate. Other than those enhancements, I think ReadMe is an easy-to-use platform that has met our API documentation needs. I do not have any major concerns beyond the improvements I already mentioned.
Carlos Snel - PeerSpot reviewer
Executive Director at Aquila ICT Solutions
Zero trust security has provided flexible protection and inspects real-time traffic effectively
From my perspective, I think about Zscaler Software [Private Offer Only], not much could be improved. It is working very well. The only thing is about the POP presence, where you hook into a continent or country. In some countries, South America has some coverage, but not as much as for instance North America or Europe. If you talk with large enterprises or multinationals that are everywhere in the world present, they might need something in Africa. Africa is also a continent where you have more and more enterprises having their subsidiaries there. Africa is not covered very thoroughly, in my opinion. It only has South Africa with points of presence and then Egypt. It is either very up north or very down south. If you are in the middle of Africa, which is an extremely large continent, then you have delays and latencies. That is not very nice. However, that is not only counting for Zscaler Software [Private Offer Only]; this is also for all competitors. I am working with Cato Networks now for more than a year and the same story applies to them. I also know other competitors of Zscaler Software [Private Offer Only] which have even less coverage. It is not something that I think everyone is keen on to expand in Africa because they do not see much traffic. However, if you have multinationals that are operating in Africa, then you cannot offer very good quality service because you have large latency if they are in the middle of Africa. Not even in the middle of Africa; if you talk about under Morocco, then you either connect to Cairo or you connect to Spain. Spain is closest, but if you always have redundancy, and if Spain falls out for whatever reason, even though that is not happening much because the data centers are very stable, then you have an enormous latency going to Cairo. Coming with this to more North Africa, if you talk about Angola and Mozambique in the middle of Africa, then you do not have much choice. You always have a lot of latency there. That is unfortunate. On the technical terms, that is where I stand. I mentioned this before, and it is still the same. I think I talked with you a few years back about this; I think three or four years ago. I mentioned exactly this topic then, and it is still the same. The other thing is, I think in terms of software, they are doing their best. They are buying in firms and buying in solutions, so they are expanding, and that is fine. I would rather say to Zscaler Software [Private Offer Only] to have better customer service because Zscaler Software [Private Offer Only], even with large enterprises and huge companies that I work for, they notice that Zscaler Software [Private Offer Only] service management is different. They are very big and they have less attention to client matters. If that would improve, it would be the best for Zscaler Software [Private Offer Only] to have better customer success managers, but more attention to clients and more direct interface to the deep core of the company for client matters if they have questions or specific things that they do not currently have. If I have something with the client, I have sometimes to escalate to the vice president that I know because I worked with him before, and that is unfortunate. That should not be necessary to go that route. You should have things arranged directly with an account manager or customer success manager of your client if you have problems, or at least have responses saying, this is impossible, we cannot do that because of this, this, this, whatever. At least you should have an answer. I think in the future, everyone in the branch is focusing on AI and quantum computing as a mix. I think on that end, everyone in the domain is working hard to find the best solutions against those two challenges. I think Zscaler Software [Private Offer Only] is doing their best as well there. That is the challenge for the upcoming years, to get the best answers to it. Eventually, they will compete with the same; fight it back with the same power. That means also with quantum computing or specially designed AI to attack back when attackers are attacking. I am not the genius saying that there will be a sort of war game coming up in the future in this domain. However, they are working on it, as all the others are doing, and I think that is absolutely the focus for the coming years because that is where everyone has concern about.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Instead of investing time in documentation, ReadMe can document entire APIs quickly and we can just go and do a review, saving a lot of time instead of spending a couple of days or three days on documentation."
"Overall, if your organization wants to improve the developer experience, reduce repetitive support questions, and provide a centralized and professional API portal, I think ReadMe is a strong choice."
"Previously, our documentation was split up, but now it is unified through ReadMe, which gives a clear overview and is very easy to navigate, acting as a single source of truth for our business and providing more stability."
"With ReadMe serving as a clear, self-service developer portal, our partners can now complete their integration in a fraction of the time, which has accelerated project delivery timelines, improved our partner satisfaction, and optimized engineering promises."
"Zscaler Software is very beneficial for my clients, reducing time by at least more than 50%, improving specific metrics through encrypted threat detection, increasing productivity, and reducing the workload of the analyst so they can respond faster."
"Zscaler Software [Private Offer Only] itself, I think it is pretty good and I only get compliments from clients that are using it after the implementation; they like it."
"I use Zscaler Software [Private Offer Only]'s real-time traffic inspection feature and find it helpful."
 

Cons

"We could probably have more advanced analytics, multi-domain support, or something similar, and advanced access controls."
"ReadMe is a software-as-a-service offering only, and there is no way to self-host ReadMe."
"On a scale of one to ten, I rate ReadMe overall as eight out of ten. I choose eight out of ten because it is a very strict platform with limited customization."
"One is customization. While it is easy to create clean documentation, making deeper UI or layout customizations can be somewhat limiting without additional effort."
"I would rather say to Zscaler Software [Private Offer Only] to have better customer service because Zscaler Software [Private Offer Only], even with large enterprises and huge companies that I work for, they notice that Zscaler Software [Private Offer Only] service management is different."
"Regarding Zscaler Software [Private Offer Only], to be honest, we do not like it."
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Top Industries

By visitors reading reviews
Construction Company
42%
Healthcare Company
11%
Comms Service Provider
11%
Outsourcing Company
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What needs improvement with ReadMe?
ReadMe is a very new tool and I have not used it much, but what we are doing right now is great, so I do not think there is any improvement needed. One thing is that I think there is some limitatio...
What is your primary use case for ReadMe?
Our main use case for ReadMe is that we will be having a lot of APIs and we wanted to document them very well. We were using Swagger, but ReadMe provides more interactive API documentation with goo...
What advice do you have for others considering ReadMe?
ReadMe is deployed in our organization in a dev environment where we do testing and documentation. We use it in a dev environment which is only accessible for our organization. We use Azure as our ...
What needs improvement with Zscaler Software [Private Offer Only]?
One area for improvement for Zscaler Software is that they should have their dependency on AI validated and verified. Because if they are a service provider, they are doing a good job, but they hav...
What is your primary use case for Zscaler Software [Private Offer Only]?
Zscaler Software provides cloud security as the use case for my clients.
 

Comparisons

No data available
 

Overview

Find out what your peers are saying about ReadMe vs. Zscaler Software [Private Offer Only] and other solutions. Updated: October 2026.
921,523 professionals have used our research since 2012.