I have a 2009 White MacBook running High Sierra thanks to the patch utility. Everything works almost perfectly except that the brightness is a bit finicky. I encountered this after the upgrade to Sierra and solved using another utility. I upgraded to High Sierra and it appeared to fix the issue… until the latest update. Found this utility and it is really handy — I can assign keyboard shortcuts (unused F5 and F6) to adjust the brightness. Also, it remembers my last setting. So very glad to have found this utility.

I have an M1 MacBook Pro connected to an external LG monitor (that I use with a seperate fullsize Magic Keyboard and trackpad). I use the Macbook as a 2nd monitor on my left and the LG as a big main monitor. I just wanted to be able to turn the brighntess down at night without having to go into my monitor UI settings which is complicated. but this app works great!I can just use the slider on the mac toolbar to adjust the brightness. And it only affects the external monitor. I can still control my MacBook brightness with its built in touch bar, or control center. this is exactly what I needed and I cant believe its free?? the hotkey programming does not work for me tho, but im still happy I found this app.

The first fifty percent of the slider dims the apple display backlight (having no effect on external displays). Then, the lower fifty percent apply a “veil” of gray (by manipulating the color output). This works on all monitors. However , the native apple display birghtness has already been turned all the way down, then further. So on the lower half, the apple screen is darker than the other external monitors. And when turned all the way up, the paple display is exceedingly bright compared to the others.There should be the option to control each kind of dimming separately. With all the different types of monitors and setups, giving users more control to adapt to their situation is most appropriate. Kudos for trying to make a simple interface but it needs a little more thought on the settings configuration.

I love this app and have been using it for years, but there's one little bug with it that could be fixed to make it perfect.I plug my Macbook into different resolution monitors (at home and office for instance) and the "grey layer" does not resize when I switch monitor, so it only partly cover the screen and looks broken. Every time I have to manually close the app, and re-open it again so it set itself up with the proper screen size.

I have "macbook" new one with big sur and big external monitor. I wanted an app to lower the brightness of the external monitor when I have my macbook closed (which is like 99% of the time). This thing was so easy to install and worked instantly. I turned the brightness down to like 50% which makes it so much easier on my eyes. This app is so cool I'm like how is it free does the developer have like a paytron or something?

I have 2 monitors - the primary is dimmed nicely with this app. The 2nd monitor it has no effect whatsoever. I was using Shades on Lion and it worked beautifully on both monitors. But given the shortage of such apps available, this works better than the alternative. (I see people saying it should work on 2 monitors - is there a trick to make that work?)? I don’t have brightness option on my Mac for some reason, so this is an essential app for me - glad to find something that does work. Wish it worked better.

My Touch Bar stopped working a while ago, and certain apps that I use turn the brightness down all the way (for VR applications, etc). When those apps crash, the brightness stays completely off, making it impossible for me to turn it back up. With this app you can set a custom shortcut to turn the brightness up or down, without using the Touch Bar. Saved my bacon!

I’m using an ultrawide AOC monitor with my macbook pro, along with a mechanical keyboard that is not manufactured by Apple either. This app works PERFECTLY with my monitor and I am now not only able to control the brightness from the new convenient menu bar slider, but using the preferences settings in this app, I was also able to map brightness up and brightness down to two function keys on my non-Apple keyboard! I’M SO HAPPY! THANK YOU!

For a single monitor, this works very well, but it works weird when combining two monitors, e.g. a native Macbook Pro screen with an external monitor. It would be really great if it had separate controls for each. However, it's free, and it doesn't claim to support two monitors well, so I'll give it 5 stars.

I have a 2015 iMac (retina) plus two Dell P2715Q 4K monitors connected to it.When I move the slider it changes the main display and one of the two Dells intermittently but not in unison, meaning I can’t get any kind of workable setting with it. The third monitor is unaffected.My advice would be to figure out how to make it work with multiple monitors (including the Dell and other brand 4K & 5K monitors which are now the only option for the iMac), reliably and then put this app up and charge $2-$5 for it.

I am sure there are people for who the dimming overlay part of the app is nice, but without the ability to separate the two functions, it becomes useless for a group of people, as evident from the reviews. I picked up the app in order to dim the screen on my laptop when controlling it via Screen Sharing on another computer. But, because of the overlay, it also dims the Screen Sharing screen. How hard would it be to have an option to not apply the overlay?

I like the theory if not practice of this app. When just using a laptop single-monitor setup, it’s great.When you plug in a second display, I would expect it to only adjust the brightness of the screen whose menu bar you are accessing, but it’s not – brightness happens on all monitors that support it.Further more, turning off the backlight didn’t work on my external USB Type C monitor, so the first half of the brightness adjustment slider does nothing there, and then opacity-dims it in the lower half.