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AWS AppSync vs IBM App Connect comparison

 

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

AWS AppSync
Ranking in Cloud Data Integration
23rd
Average Rating
8.0
Reviews Sentiment
6.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
IBM App Connect
Ranking in Cloud Data Integration
13th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
26
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Cloud Data Integration category, the mindshare of AWS AppSync is 1.0%, up from 0.4% compared to the previous year. The mindshare of IBM App Connect is 3.6%, down from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Data Integration Market Share Distribution
ProductMarket Share (%)
IBM App Connect3.6%
AWS AppSync1.0%
Other95.4%
Cloud Data Integration
 

Featured Reviews

Akil Saji - PeerSpot reviewer
AWS Cloud Developer at Mobil80 Solutions and Services Pvt. Ltd.
Ease of creating APIs with ongoing updates needed for automation
AWS has made it easy for developers like me to create and manage GraphQL APIs. The ease of use is a main advantage, allowing even beginners to start from scratch and learn through AppSync. Before AWS, developing and managing APIs was quite complex. AWS provided AppSync, which assists developers and startup founders. Startups blooming everywhere benefit from this service, welcoming those who lack prior knowledge. When working on AWS, I notice that Amazon regularly implements new features. For instance, with the Lambda service, AWS is transitioning from an old editor to a new one. Similarly, AppSync frequently introduces updates and changes. This trend is making the user interface more accessible, even for individuals without a technical background. Additionally, the cost is attractive, as AWS operates on a pay-as-you-go basis. These factors make AppSync both easy to use and cost-effective.
Emirhan Guven - PeerSpot reviewer
Team Leader, Software Development at a manufacturing company with 11-50 employees
Transforms data efficiently and navigates licensing challenges with ease
The transition between version 12 and version 13 presents some challenges. While version 12 had approximately 10 features, version 13 includes around 200 features with cloud platform compatibility. The learning curve for developers moving from version 12 to 13 could be smoother. When using new components, better context explanations would be beneficial. In version 13, accessing new features requires connecting through a web browser, which can be challenging to understand. The explanation of new features could be more user-friendly.

Quotes from Members

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

Pros

"AWS has made it easy for developers like me to create and manage GraphQL APIs."
"AWS has made it easy for developers like me to create and manage GraphQL APIs."
"Support for multiple data sources and formats is a fantastic feature."
"I like the adapters. The adapters help us achieve scalability. If you want to connect to SAP, there's an adapter. Salesforce? There's an adapter. You want to connect to another system? There's likely an adapter for that."
"There is a friendly interface for configuration, and integration is made easy."
"We use IBM App Connect for the integration between the applications."
"Very scalable, flexible, and user-friendly."
"App Connect's best feature is that it can be deployed in a container."
"It has different type of interfaces that can integrate with companies."
"It's stable to use, connect with the cloud, and to deploy."
"I recommend IBM App Connect Enterprise to everyone."
 

Cons

"Moving to other clouds is impossible without significantly rearchitecting your applications."
"In AppSync, assigning roles and permissions to APIs is necessary for accessing other AWS services. Automating this task when creating APIs would be beneficial."
"In AppSync, assigning roles and permissions to APIs is necessary for accessing other AWS services. Automating this task when creating APIs would be beneficial."
"In the next release, I would like to get some quality connectors."
"The addition of string functionality would be a benefit, particularly in the ESQL space that IBM already uses internally."
"The platform is somewhat expensive and hard to predict in terms of cost."
"One more important point is that if IBM improves its CI/CD capabilities, it will make a big difference. Right now, I have to create my own CI/CD setup from scratch for every client, which is inefficient."
"When we do a version upgrade of the system, the platform is kind of complicated."
"I've been using IBM App Connect for about twenty-five years, and while I like it, there are some areas for improvement. The trace policy is ridiculous, and the biggest issue is the cost—it's expensive. People would use it much more if the price point weren't so high."
"They reply in one or two hours at most, but they could be better."
"The user interface of IBM App Connect can be a little bit more user-friendly, I would say because the first-time developer is onboarded while using IBM App Connect, he or she may get a little intimidated or daunted looking at all the options available or the pipelines, et cetera."
 

Pricing and Cost Advice

"Licensing fees are paid on a monthly basis, and it is a pay-as-you-go model."
"IBM App Connect's pricing is high compared to other products."
"The licensing cost for IBM App Connect is very high."
"The cost depends upon the consumer."
"It is very expensive if we want to scale."
"The solution's pricing isn't cheap, but you can get good discounts based on your competitive deal."
"Initially, App Connect was quite expensive because the cost was based on the number of processors we used. However, it's now based on containers, which means we can be more specific about our consumption and get a better price."
"The price could be better."
"App Connect is not cheap."
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Top Industries

By visitors reading reviews
No data available
Manufacturing Company
16%
Financial Services Firm
15%
Computer Software Company
11%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise4
Large Enterprise21
 

Questions from the Community

What is your experience regarding pricing and costs for AWS AppSync?
We initially had limited knowledge about AWS costs. As beginners, we ran many instances for over a month. Consequently, we received a bill from Amazon for around $20, which was unexpected. This hig...
What needs improvement with AWS AppSync?
In AppSync, assigning roles and permissions to APIs is necessary for accessing other AWS services. Automating this task when creating APIs would be beneficial. Regular updates might soon address th...
What is your primary use case for AWS AppSync?
Our company handles in-house projects and serves clients globally. My role with AppSync involves creating GraphQL APIs. There are different types of APIs, such as REST API, GraphQL API, and WebSock...
What do you like most about IBM App Connect?
I like the adapters. The adapters help us achieve scalability. If you want to connect to SAP, there's an adapter. Salesforce? There's an adapter. You want to connect to another system? There's like...
What is your experience regarding pricing and costs for IBM App Connect?
Configuration time varies by implementation. For insurance companies with simple JDBC connections, the process is straightforward. However, companies requiring multiple configurations for ODBC, JDB...
What is your primary use case for IBM App Connect?
I am a developer specializing in IBM App Connect. We have a customer interested in comparing ESB tools, such as webMethods, which was previously owned by Software AG company before IBM acquired the...
 

Also Known As

AppSync
IBM Cast Iron
 

Overview

 

Sample Customers

ACBL, Puresec, IDT, ASU, Public Good, cookpad, ALDO, ticketmaster
United Way of Allegheny County, Saint-Gobain CPS, Ricoh, SunTrust Banks Inc.
Find out what your peers are saying about AWS AppSync vs. IBM App Connect and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.