
IBM AIX
Reviews
Star rating
Rank in Operating System
Pros and cons
Pros
- Security/Safety
- Stability
- Speed/Performance
- Reliability
- Long-Term Support
- New Features
Cons
- High Cost
- Skill Requirements
- Time-Consuming
- Unfriendly Interface
- Usage Difficulty
- Limited Apps/Store
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 14.7% |
| Mid-Market | 26.5% |
| Enterprise | 58.8% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2024 Q4 | 2 | 4.0 |
| 2025 Q3 | 1 | 4.0 |
| 2025 Q4 | 3 | 4.7 |
| 2026 Q1 | 4 | 4.6 |
| 2026 Q2 | 8 | 4.2 |
| 2026 Q3 | 1 | 4.5 |
Satisfaction ratings
What reviewers say
Enterprise-grade stability, security and performance on IBM Power
“BM AIX is a highly stable, secure and reliable enterprise operating system. Its tight integration with IBM Power hardware, excellent virtualization through PowerVM, mature administration tools and strong workload management capabilities make it particularly well suited for missio”
High Performance and Stability with Room for Usability Improvements
“I like IBM AIX's high stability and reliability, which is really important for me. Its strong security features and system management tools stand out. The performance is excellent, especially for database, cloud computing, and enterprise applications, and it supports virtualizati”
Exceptional Stability and Reliability for Mission-Critical IBM Power Systems
“its exceptional stability, high reliability for mission-critical workloads, and tight integration with IBM Power Systems.”