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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
22nd
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
12th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
25
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Cloud Data Integration category, the mindshare of AWS AppSync is 0.6%, up from 0.5% compared to the previous year. The mindshare of IBM App Connect is 5.1%, up from 3.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Data Integration
 

Featured Reviews

Akil Saji - PeerSpot reviewer
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
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."
"Support for multiple data sources and formats is a fantastic feature."
"AWS has made it easy for developers like me to create and manage GraphQL APIs."
"Very scalable, flexible, and user-friendly."
"It can handle API conversions with mapping and transformation rules, simplifying the development process."
"The most valuable feature is the security."
"It has different type of interfaces that can integrate with companies."
"The transformation capabilities in IBM App Connect are particularly beneficial."
"I would say that the most valuable feature is the array of connectors and integration tools."
"The most valuable feature is the user-friendliness of the application."
"It's a powerful application for collaboration. It has many features for customization and integration."
 

Cons

"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."
"Moving to other clouds is impossible without significantly rearchitecting your applications."
"IBM needs to enhance and have a stronger offering for the event streaming part because this is the future needed for the containerization and the new integration requirement."
"The installation of containers could be simplified, as it currently requires a senior-level installer."
"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."
"IBM App Connect is scalable. From the administration side, they need to improve the RBAC model, as well as the clustering of this product. It will be good if we can start up the cluster, via IBM Connect Console. Some other products like MuleSoft, are providing this type of administration. MuleSoft is easy to use and user friendly."
"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."
"The addition of string functionality would be a benefit, particularly in the ESQL space that IBM already uses internally."
"More connectors could be available for the product as some of the third-party software doesn't have default connectors."
"The interface could be better."
 

Pricing and Cost Advice

"Licensing fees are paid on a monthly basis, and it is a pay-as-you-go model."
"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 licensing cost for IBM App Connect is very high."
"IBM App Connect's pricing is high compared to other products."
"The cost depends upon the consumer."
"App Connect is not cheap."
"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."
"The price could be better."
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Top Industries

By visitors reading reviews
Financial Services Firm
20%
Computer Software Company
17%
Healthcare Company
10%
Real Estate/Law Firm
8%
Computer Software Company
14%
Financial Services Firm
14%
Educational Organization
11%
Manufacturing Company
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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: July 2025.
862,077 professionals have used our research since 2012.