Download Diagnostics Tools for Mac

Diagnostics

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Featured Software:

Techtool Pro - Techtool Pro is feature-packed with benefits that all Mac users need for comprehensive diagnostics, repair, and maintenance.
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Techtool Pro 13.0.2 [ 2021-01-29 | 275 MB | $129.99 New / Upgrade $29.99+ | OS X 10.11/10.12/10.13/10.14/10.15/11.0 | 13731 | 5 ]

Techtool Pro is feature-packed with benefits that all Mac users need for comprehensive diagnostics, repair, and maintenance.

CPUTest 0.2 [ 2007-03-23 | 378 KB | Freeware | OS X 10.3/10.4/10.5 | 6423 | 4 ]

GUI/Wrapper for the selftest command of Glucas. This command can be used to stress test a CPU and its cooling system.

fseventer 2.7.6 [ 2010-08-02 | 556Kb | Freeware | OS X 10.4/10.5/10.6/10.7/10.8/10.9 | 6792 | 4 ]

Observes filesystem changes using the same underlying API as Spotlight.

ACLr8 1.3.1 [ 2014-08-10 | 4 KB | Freeware | OS X 10.1/10.2/10.3/10.4/10.5/10.6/10.7/10.8/10.9 | 5792 | 3 ]

Command-line tool written in Python that will analyze your entire hard drive searching for files that cause the "ACL found but not expected" errors in disk utility, and remove all ACL from them.

Remote Control Diagnostics 1.4.1 [ 2014-07-27 | 348 KB | Freeware | OS X 10.4/10.5/10.6/10.7/10.8/10.9 | 4467 | 4 ]

Helps you identify the source of issues where, when you press a button on your Apple® Remote, nothing happens.

coconutBattery 3.9.5 [ 2021-03-19 | 13.8 MB | Freeware | macOS 10.12/10.13/10.14/10.15/11.0/11.1/11.2 | 9555 | 5 ]

coconutBattery keeps you aware of your current battery health with live information about your battery.

WhatRoute 2.4.3 [ 2021-04-27 | 41.3 MB | Freeware | OS X 10.10/10.11/10.12/10.13/10.14/10.15/11.0/11.1/11.2 | 5548 | 3 ]

WhatRoute is a network diagnostic utility designed for Macintosh computers.

TM Error Logger 3.2.6 [ 2016-04-22 | 3.1 MB | Freeware | OS X 10.5/10.6/10.7/10.8/10.9/10.10/10.11 | 5961 | 2 ]

Time Machine error reporting program.

AppleJack 1.6 [ 2010-07-12 | 327 KB | Freeware | OS X 10.4/10.5/10.6 | 10090 | 3 ]

Ueer friendly troubleshooting assistant for Mac OS X.

SystemLoad 2.1 [ 2013-08-07 | 2.8 MB | Freeware | OS X 10.6/10.7/10.8/10.9 | 4771 | 4 ]

Diagnostic application assisting you in the detection of cooling or power supply problems.

SlimBatteryMonitor 1.5 [ 2009-09-30 | 1.1 MB | Freeware | OS X 10.5/10.6 | 5786 | 4 ]

SlimBatteryMonitor is a replacement power gauge for Apple's Mac OS X that tracks both laptop batteries and many UPS batteries.

Battery Guard 1.1.1 [ 2012-10-05 | 0.1 MB | Freeware | OS X 10.6/10.7/10.8 | 2576 | 1 ]

Battery Guard tells you how long your battery will last.

Compressor Repair 2.4 [ 2021-05-07 | 1.8 MB | Freeware | OS X 10.8/10.9/10.10/10.11/10.12/10.13/10.14/10.15/11.0/11.1/11.2/11.3 | 10296 | 3 ]

Checks for problems that could be preventing Compressor from operating correctly.

Battery Health 2 v. 1.92 [ 2020-11-19 | 6.6 MB | Freeware | OS X 10.7/10.8/10.9/10.10/10.11/10.12/10.13/10.14/10.15 | 4742 | 4 ]

With Battery Health, you can easily see all the important information about your MacBook's battery.

Battery Health Monitor 1.5 [ 2008-08-23 | 3.4 MB | Freeware | OS X 10.2/10.3/10.4/10.5 | 6446 | 3 ]

Free utility for MacBook, PowerBook and iBook owners that monitors virtual all battery health parameters and displays them in an easy-to-read format.

Preferential Treatment 1.1.8 [ 2007-11-06 | 499 KB | Freeware | OS X 10.2/10.3/10.4/10.5 | 6493 | 3 ]

Application will check your preference files (both in your user’s preference folder and the system’s preference folder) for corruption by using the “plutil” command line tool.

Battery Guru 1.9.1 [ 2018-08-16 | 1.0 MB | Freeware | OS X 10.6/10.7/10.8/10.9/10.10/10.11/10.12 | 5120 | 4 ]

Battery Guru will place a number in your menu bar that is constantly reading and updating the current power output (or input) of your battery.

iBatt 2.0.1 [ 2007-01-31 | 419 KB | Shareware $19.00 | All | 12845 | 3 ]

iBatt is a complete battery analyzer for Mac laptops. Track your battery in real-time, or view historical logs. See how your battery compares with other laptops of your type from around the world.

xScan 4.5.3 [ 2020-09-08 | 7.7 MB | Shareware $19.00 | OS X 10.9/10.10/10.11/10.12/10.13/10.14/10.15 | 8977 | 3 ]

Designed to help you monitor the behavior and health of your Mac in a simple and straightforward manner.

Download TG Pro (formerly Temperature Gauge Pro)

TG Pro (formerly Temperature Gauge Pro) 2.55 [ 2021-01-17 | 11.9 MB | Shareware $20.00 | OS X 10.11/10.12/10.13/10.14/10.15/11.0 | 4815 | 4 ]

Keep your Mac cool while controlling fan speeds, monitoring temperatures and finding faulty sensors.

Download Print Therapy (was Printer Setup Repair)

Print Therapy (was Printer Setup Repair) 7.0.4 SLE [ 2011-07-13 | 648 KB | Shareware $29.95+ | OS X 10.6/10.7 | 4988 | 3 ]

Utility to diagnose and repair problems with the OS X printing system.

Watts 1.3.3 [ 2012-11-04 | 3.4 MB | Shareware $6.95 | OS X 10.5/10.6/10.7/10.8 | 4923 | 4 ]

Watt is a calibration tool for your Mac battery.

IPNetMonitorX 2.7.3 [ 2019-03-18 | 5.5 MB | Shareware $70.00 | OS X 10.9/10.10/10.11/10.12/10.13/10.14 | 5630 | 2 ]

Network troubleshooting toolkit for debugging Internet service problems and optimizing performance.

FruitJuice 2.0.252 / 2.5.2 [ 2020-12-07 | 11.6 MB | Shareware $9.99 | OS X 10.9/10.10/10.11/10.12/10.13/10.14/10.15/11.0 | 2854 | 3 ]

Calculates the optimal minimum time you should be running on battery power each day based on the way you actually use your laptop.