iStat Menus is bjango's highly configurable menu bar system monitor. OneMacTools is one native Mac app with 138 on-device tools for video, PDFs, images, audio and files, plus Mac Clean Up, Mac Health, Dev & Agents and AI Space. Choose iStat Menus for the deepest menu bar monitoring: per-core CPU, GPU, sensors, S.M.A.R.T., fans and fan control; choose OneMacTools if you want says what's wrong in one line and names the app, with one row per app and its helpers.
| OneMacTools | iStat Menus | |
|---|---|---|
| What it is | Native Mac app, 138 tools | System monitor |
| Price | Free download; a licence is $19 once for 1 Mac (launch price $9), or $39, $79 or $99 for 5, 15 or 25 Macs | $11.99 once ($14.99 family pack of 5); also in Setapp (their pricing) |
| Runs on | Mac (macOS 26 or later) | Mac (macOS 13.5 or later) |
| Your files | Processed on your Mac | On your Mac (weather data is online) |
| System stats in the menu bar | ✓ | ✓ |
| Per-app CPU and memory | ✓ | ✓ |
| Battery health | ✓ | Not listed |
| Dev servers and ports | ✓ | Not listed |
| AI assistants can use it (MCP) | ✓ | Not listed |
| Compress video to a target size | ✓ | — |
| Convert video formats | ✓ | — |
| Convert and compress images (incl. HEIC) | ✓ | — |
| Merge, split and compress PDFs | ✓ | — |
| Make scanned PDFs searchable (OCR) | ✓ | — |
| Redact PDFs | ✓ | — |
| Edit the text inside a PDF | — | — |
| Transcribe audio to text | ✓ | — |
| Find duplicate files | ✓ | — |
| Disk space map / storage breakdown | ✓ | — |
| Clean up junk and leftovers | ✓ | — |
| AI apps' disk use (caches, models, chats) | ✓ | — |
| Works from Finder (Quick Actions) | ✓ | — |
| Shortcuts actions | ✓ | Not listed |
| Works offline, files stay on your Mac | ✓ | ✓ |
How we compared: from iStat Menus's own website and documentation, checked 14 October 2026. “Not listed” means we couldn't confirm it there, not that it's missing. Prices change; check theirs. Sources: bjango.com. Something out of date? Tell us.
All 138 tools. Free download, one payment for a licence. 14-day money-back guarantee.
