IBM App Connect
Reviews
Star rating
Rank in Enterprise Service Bus (ESB)
Pros and cons
Pros
- Integrations
- Automation
- Easy Integrations
- Customization
- Ease of Use
- Automation Features
Cons
- Learning Curve
- Difficult Learning
- Poor Documentation
- Workflow Issues
- Developer Dependency
- Expensive
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 20.9% |
| Mid-Market | 38.6% |
| Enterprise | 40.6% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2024 Q4 | 1 | 5.0 |
| 2025 Q1 | 3 | 4.7 |
| 2025 Q2 | 3 | 4.8 |
| 2025 Q3 | 3 | 4.7 |
| 2026 Q3 | 1 | 5.0 |
Satisfaction ratings
What reviewers say
Decade-Long Perspective: The evolution and modernization of IBM ACE
“The ability to deploy integrations anywhere—on-premise, in a private cloud, or in a public cloud Moving away from the heavy, centralized architecture of "brokers and execution groups," IBM completely re-architected the platform around lightweight, independent "integration serv”
Review of IBM ACE
“Best application for enterprises connection and sharing the data across verious on promises and cloud.”
Over the years ACE keeps getting better and more exciting to use!
“I like that IBM App Connect makes it easier to connect different systems and application, whether they’re in the cloud or on-prem. Even though there is a learning curve, once you get a hang of the tool and gain some experience it is incredibly powerful and easy to use. Over the y”