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Tempo vs Activity Monitor: which do you need?
Updated · 4 min read
Activity Monitor is Apple's built-in tool for inspecting every process on your Mac. Tempo is a menu bar monitor for everyday awareness. They overlap less than you might think, and many people use both.
Side by side
| Tempo for Mac | Activity Monitor | |
|---|---|---|
| Live value in the menu bar | ✓ | — |
| Dashboard of every vital at once | ✓ | — |
| History | 30 days, kept on your Mac | Only while the window is open |
| Alerts (CPU, memory, storage, battery) | ✓ | — |
| Busiest apps with icons | Top 10 | Every process |
| Sort by CPU, memory, energy | ✓ | ✓ |
| Disk and network per process | — | ✓ |
| Sample or inspect a process | — | ✓ |
| Quit / force quit | ✓ | ✓ |
| Light and dark appearance | ✓ | ✓ |
| Price | One-time purchase | Free, built in |
Where Activity Monitor wins
- It's free and already installed.
- It shows every process with every detail, including per-process disk and network use.
- It can sample a process and show its open files, which helps when debugging.
Where Tempo wins
- The number you care about is always in the menu bar; no need to open anything.
- 30 days of history, so you can see what happened yesterday or last week.
- Alerts tell you when CPU stays high, memory pressure rises, storage runs low or the battery drops.
- A focused view: the ten busiest processes with their app icons, instead of hundreds of rows.
Which should you use?
Use Tempo for everyday awareness and early warnings, and Activity Monitor for deep investigation of a specific process. For other options, see the best Activity Monitor alternatives.