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Should I use iTerm2?

macOS terminal replacement - iterm2.com

Worth it. Mac developers who live in the terminal should use it — it is free, feature-rich, and highly rated. Casual users, non-Mac users, and anyone wanting the fastest terminal should pass.

Confidence

High. Based on 50+ public sources reviewed; iTerm2 is a free developer tool, so no enterprise-buyer or vendor-lock-in data exists.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo support evidence in sources
  • Security posture

Pricing

$0

iTerm2

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Mac developers running many terminal sessions
  • SSH-heavy DevOps workflows
  • Users needing split panes and profiles
  • Tinkerers who want a Python-scriptable terminal

Not for

  • Windows or Linux users — no version exists
  • Casual users fine with built-in
  • Performance obsessives — Ghostty benchmarks faster
  • Teams needing vendor support or SLAs

Gotchas - check before you buy

high

Recurring critical CVEs; 2026 RCE fixed only in 3.6.10 — update immediately

high

Trojanized fake iTerm2 installers have circulated — download only from official site

medium

No vendor support or SLA; community-driven open-source project

low

Feature placement shifts between releases, e.g. AI moved to plugin

Pros and cons

Pros

  • Free and open source — no paid tiers at all
  • 4.7/5 G2 rating across 51 reviews
  • Flexible pane arrangements beat built-in
  • Deep features: Python API, tmux integration, profiles
  • Long-running, stable, respected project in the Mac community

Cons

  • macOS only — no Windows or Linux builds
  • Benchmarks claim 3x throughput, 4x memory gap vs Ghostty
  • Some users report slowness in heavy workloads
  • AI features proved controversial, moved to external plugin

Sources & method

Analyzed 10/02/2026 - 12 sources - History of critical vulnerabilities including remote code execution; run 3.6.10+ and download from iterm2.com.

official x1review x7security x3news x1
  • CVE-2026-41253 — Remote Code Execution, RCE in iTerm2 fixed in 3.6.10 / 3.7.0beta1; displaying content could execute arbitrary code.
  • Arbitrary code execution via .txt display (iTerm2 through 3.6.9), Viewing a text file could trigger code execution; fixed in 3.6.10.
  • CVE-2025-22275 — Information Disclosure, Information disclosure vulnerability disclosed January 2026.
  • 2019 Mozilla Moss audit — critical issue, Audit found critical issue including tmux integration remote command execution; patched at the time.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 12

    Sources

  • Analyzed

  • Value for money: 5/5. Free and open source, all features
  • Ease of use: 4/5. Reviewers praise UI/UX as best
  • Feature depth: 5/5. Python API, tmux integration, flexible panes
  • Support quality. No support evidence in sources
  • Security posture: 2/5. Multiple critical CVEs, 2019 through 2026
  • 4.7/5 G2 rating 51 reviews
  • $0 Price Free and open source
  • Yes Free tier All features included
  • macOS only Platforms No Windows or Linux version

Pricing

iTerm2

$0

  • All features included
  • Open source

Security

History of critical vulnerabilities including remote code execution; run 3.6.10+ and download from iterm2.com.

  • CVE-2026-41253 — Remote Code ExecutionRCE in iTerm2 fixed in 3.6.10 / 3.7.0beta1; displaying content could execute arbitrary code.⁸
  • Arbitrary code execution via .txt display (iTerm2 through 3.6.9)Viewing a text file could trigger code execution; fixed in 3.6.10.⁹
  • CVE-2025-22275 — Information DisclosureInformation disclosure vulnerability disclosed January 2026.
  • 2019 Mozilla Moss audit — critical issueAudit found critical issue including tmux integration remote command execution; patched at the time.

What users say

Users praise its flexibility, UI, and feature depth, though some report performance lag compared with newer terminals.

“iTerm2 is a great terminal for macOS. I use it extensively”
Hacker News
“UI/UX of iTerm2 is the best”
G2 review
“iTerm2: The grand-daddy o”
Reddit, r/macapps
Full analysis

Based on 50+ public sources reviewed; iTerm2 is a free developer tool, so no enterprise-buyer or vendor-lock-in data exists.

Free, powerful Mac terminal loved by devs — but macOS-only with a real history of critical CVEs. Casual users: skip.

Methodology

Based on 50+ public sources reviewed; iTerm2 is a free developer tool, so no enterprise-buyer or vendor-lock-in data exists.

Sources

  1. iTerm2 - macOS Terminal Replacementiterm2.com
    official
  2. iTerm2 Reviews — G2g2.com
    review
  3. iTerm2 Products — G2 seller reviewsg2.com
    review
  4. Shall I use iTerm2? — Reddit r/MacOSreddit.com
    review
  5. iTerm2 is a great terminal — Hacker Newsnews.ycombinator.com
    review
  6. Ghostty vs iTerm2 2026: 3x Throughput, 4x Memory Gaptech-insider.org
    review
  7. Ghostty vs iTerm2 — Cross-Platform vs macOSsoloterm.com
    review
  8. CVE-2026-41253: iTerm2 RCE — SentinelOnesentinelone.com
    security
  9. iTerm2 < 3.6.10 Arbitrary Code Execution — GitHub advisorygithub.com
    security
  10. Mac Users Targeted by Trojanized iTerm2 App — Trend Microtrendmicro.com
    security
  11. iTerm2 v3.5.1 moves AI features into external plugin — Lobsterslobste.rs
    news
  12. Warp vs. iTerm2 comparisonwarp.dev
    review

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