Skacat- was not indiscriminate. It left fingerprints — a unique TCP window size, a tendency to query SNMP communities named public1, a DNS pattern that used subdomains built like small poems: attic.local, lantern.garden, brass-key.net. Each pattern suggested a personality: precise, amused, poetic. The network smelled faintly of catnip.
Rumors grew into myth. Some said the scan was a benevolent shepherd, corralling devices toward safety. Others whispered it was a scout for darker hands, cataloging soft skins for a future harvest. Parties split: those who patched and thanked the unseen cartographer, those who boarded up and watched the sky. Router Scan 2.60 skacat-
But art and surveillance blur when rooms are dark. Institutions bristled. A municipal ISP threatened legal notices. An academic lab offered cautious congratulations. A lonely security researcher — Milo — saw more than charm. He saw a ledger of risk. He mapped skacat-’s findings and sent a quiet, anonymous note to vulnerable owners: "Update firmware. Close telnet." His notes were practical, hand-delivered like a concerned neighbor. Skacat- was not indiscriminate
I first saw it on a console that was supposed to be boring: a maintenance VM left awake at 03:17. A process listed itself in pale text — Router Scan 2.60 — and beside it, the tag skacat-, like an unread paw print. The process had no PID. It had a heartbeat. The network smelled faintly of catnip
The standard for battery reading since 2005
With coconutBattery you are always aware of your current battery health. It shows you live information about the battery quality in your Mac, iPhone and iPad
macOS 12 Monterey or later | Release notes
A comprehensive view of your battery's health.
Unlock the full potential of your battery analytics. Upgrading to the Plus version gives you access to the latest features and the best experience, while also supporting future development.
| Feature | coconutBattery | coconutBattery Plus |
|---|---|---|
| iPhone/iPad Battery Diagnostic | ||
| Mac Battery Diagnostic | ||
| Save Battery Health Info | ||
| Mac Battery Details in Menu Bar | ||
| iPhone/iPad Battery Details in Menu Bar | ||
| WiFi Support | ||
| Battery Lifetime Analyzer | ||
| Advanced Viewer (SSD stats etc.) | ||
| Custom Printing Templates | ||
| Notifications |
Once you’ve enabled Wi-Fi communication between your Mac and iPhone/iPad, you no longer need a USB connection to check your device’s health through coconutBattery.
The Lifetime Analyzer provides detailed lifetime information, including maximum, minimum, and average temperature, voltage, charge/discharge rate ranges, and battery operating time.
The advanced viewer provides detailed insights about your Mac, iPhone, and iPad.
For Mac, it displays comprehensive information about your internal SSD, including data read and write statistics.
The available information varies by device. Try the free trial to discover what details are accessible for your devices.
Get notified when your Mac battery drops below a set percentage or remaining time. Additionally, receive alerts when your iPhone or iPad battery percentage falls below a customizable threshold.
You can use your own customized HTML templates for printing Mac and iOS device reports.
All available versions of coconutBattery Plus are one-time purchases.
Yes, there is a free trial which can be activated in the app settings. It allows you to start coconutBattery 10 times in Plus-Mode.
coconutBattery is only available via coconut-flavour.com.
Apple switched to a randomized serial number format a few years ago, which prevents reading the manufacturing date for these devices.
| Version | OS Compatibility |
|---|---|
| coconutBattery 3.9.18 | macOS 10.11 El Capitan - macOS 11 Big Sur |
| coconutBattery 3.6.4 | OS X 10.10 Yosemite |
| coconutBattery 3.3.4 | Mac OS X 10.7 Lion - OS X 10.9 Mavericks |
| coconutBattery 2.8 | Mac OS X 10.5 Leopard - Mac OS 10.6 Snow Leopard |
| coconutBattery 2.6.7 | Mac OS X 10.4 Tiger (Power PC) |