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NetMonitor is a network utility for the rest of us. Graphs network activity of local and remote computers. Records traffic activity. Calculate total traffic between dates. Measures traffic speed. Highly customizable.


  • Traffic Log.
  • Traffic Calculator.
  • Traffic Reports (html & xml).
  • Stopwatch.
  • 7 Graph types, 5 Scaling options, Auto Scaling mode, 4 Scrolling directions, Transparency & Grid.
  • Textual display of throughput, interval data through & total data through.
  • Updates dynamically in sync with network configuration more...

What's New

Version 4.7.4:
  • [Update] - OS X 10.9 compatible


  • OS X 10.6 or later

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Net Monitor User Discussion

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rw49 Member IconReview+12

I wrote to the author asking about a Mavericks update and he replied within the hour with the one word "Tomorrow" and here it is. Great and thanks a lot.

Reply1 reply
Version 4.7.4

Things seem a little broken on dual monitors in Mavericks. It's disappearing and reappearing (and sometimes duplicating) on each monitor. Anyone else?

Stefanoaz Member IconComment+7

Net Monitor 4.7.3 has been my best option for bandwidth monitoring in the menubar - very configurable. But upon launch on OS 10.9, it exits immediately with the message: "version not compatible - check for a newer version."

There is no newer version on Guy's site or the app store. I made sure the security settings were (re)set to allow all applications, since Apple saw fit not to respect my previous setting in 10.8, when I updated.

The present V4.7.3 does not run on 10.9.

Reply2 replies
Version 4.7.3

Same issue.


4.7.4 fixes the problem in OS 10.9. Thanks to the developer.

Sanchai Member IconReview+116

On my Macbook Pro with Retina display running Mountain Lion 10.8.2, Net monitor 4.7.2 run fine but with one bug.

When I drag net Monitor on to the Dock, the icon won't show up as it should be. Net Monitor appear as a blank space with app name on the Dock.

Only when I start Net Monitor the icon on the doc would appear. ANd the icon turnto blank space as Net Monitor has been close down

Small bug but annoying. FIx please

Reply2 replies
Version 4.7.2

Sorry. After reboot, the Net Monitor icon on the dock work as it should be. So please ignore my post


This is a Mountain Lion bug. Not Net Monitor related. Still valid though.

Natehootner Member IconReview+1

Simply the best! Guy took a bit of time but the 4.7.0 release for Mountain Lion is a free update for old license holders and works flawlessly, as usual. Thanks much!

Reply0 replies
Version 4.7.0
Smoobly Member IconComment+1

Aaargh! Net Monitor is great. I paid for it, run it on all my Macs, and miss it when I have to use another. But! I just upgraded my development MBP to Mountain Lion, and so far the only software I was running under Lion that I can no longer run (and has no update) is Net Monitor.

Catastrophe! Please, Guy Meyer, can we have a new version that gets along with Mountain Lion? Thanks.

Reply4 replies
Version 4.5.4

me too. please update!

T.S. Kelso

Looks like Net Monitor is now in the App Store ($9.99). Not sure why this isn't on Guy's web site. Guess we get to pay for it again!


thanks. paying full price again is not very appealing.

Hal Itosis

Pay AGAIN?!?!
I paid twice before already.


Mikofox Member IconComment+29

This app has a ton of features and I especially like the PPP controls for restarting a VPN.
BUT it remains relatively useless for me, as it cannot monitor true WAN traffic, i.e. between router and modem to get a total of BW usage by all clients. I assume it does not handle SNMP. If one could select the WAN interface it would be great.

Reply0 replies
Version 4.5.4
keskeseksa Member IconReview+4

Finally the best small application is out on 10.7.
I agree it deserves 5 stars.
Unfortunately it did not register as requiring an update on "AppFresh".
This app is the MUST I recommend to all my Mac friends.

Reply0 replies
Version 4.5.3
Mugsy! Member IconReview+1

I hate not having this app in my menubar. When I upgraded to Lion I nearly had to revert to Snow Leopard because Net Monitor wouldn’t load. Well thanks for the update, and all is well again in my little world.

I did try Menu Metres and one other utililty but they just didn’t cut the mustard. (Not for monitoring and displaying Network usage) I love how I can set Net Monitor up and organise it to display exactly how I want it to.

This is a great app. It doesn’t do everything, but it does everything it does, brilliantly! This and ASM are two utilities I just have to have in my menubar.

Keep up the good work! Thanks again for the update.

Reply3 replies
Version 4.5.3

Hello Mugsy,
What is ASM?


ASM stands for "application switcher menu” and can be downloaded here http://vercruesse.de/software or from http://download.cnet.com/ASM/3000-2094_4-10058963.html among others.

It’s a utility to put the old Mac OS 7-9 “Application Menu” back into the menu bar.

I hate using my Mac without it! :-)




You're right, it's awesome!

Mbt Member IconReview+8

This is one of the nicest pieces of software I've ever had for my Mac. Easy to use and excellent GUI. I can't imagine why it has only a four star rating. Should be a six (out of five) star rating.

Reply0 replies
Version 4.5.3
Ozean Member IconReview+59

Great app that I have used for many OS X revisions – I am happy that it has been updated for Lion too, as the subtle and nicely configurable display of network activity in my menu bar helps me troubleshoot problem, recognize strange activities and generally feel like a really tech savvy guy ;-)

One nitpick: the app icon needs to be updated to the full resolution that is supported under Lion.

Reply0 replies
Version 4.5.3
user icon+8
Version 4.7.1
user icon+30
Version 4.7.1
user icon+
Alexander Werner
Version 4.5.3
user icon+0
Version 4.5.3
> 4 34


Current Version (4.x)


Downloads 94,172
Version Downloads 4,615
License Shareware
Date 27 Oct 2013
Platform Intel 64 / OS X
Price $10.00
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