Apple OS X Mountain Lion Reviews & Product Details

Name: Apple OS X Mountain Lion
Rating: 4.2 (222 reviews)

OS X Mountain Lion, version 10.8, is the ninth major release of Apple's desktop operating system for Macintosh computers, launched on July 25, 2012. This release introduced over 200 new features, many inspired by iOS, to enhance user experience and system functionality. Key Features and Functionality: - iCloud Integration: Seamless synchronization of Mail, Contacts, Calendar, Messages, Reminders, Notes, and iWork documents across all Apple devices. - Messages App: Replaces iChat, bringing iMessage to the Mac, allowing users to send messages to anyone with an iPhone, iPad, iPod touch, or another Mac. - Notification Center: Provides a unified view of alerts from Mail, Calendar, Messages, Reminders, system updates, and third-party apps. - System-wide Sharing: Enables easy sharing of links, photos, videos, and other files without switching apps, with integrated support for services like Facebook, Twitter, Flickr, and Vimeo. - Facebook Integration: Allows posting of photos, links, and comments directly from apps, adds Facebook friends to Contacts, and enables status updates from Notification Center. - Dictation: System-wide voice input mechanism that converts speech to text, requiring an internet connection. - AirPlay Mirroring: Wirelessly mirrors the Mac's screen to an Apple TV, facilitating presentations and media sharing. - Game Center: Brings the iOS gaming network to Mac, allowing users to play and share games with friends. - Gatekeeper: A security feature that helps protect the Mac from malicious software by allowing users to control which apps can be installed. Primary Value and User Solutions: OS X Mountain Lion enhances the Mac experience by integrating features familiar to iOS users, promoting a cohesive ecosystem across Apple devices. The deep iCloud integration ensures that users' data remains consistent and accessible, while features like Notification Center and system-wide sharing streamline daily tasks. Security is bolstered with Gatekeeper, and productivity is enhanced through tools like Dictation and AirPlay Mirroring. Overall, Mountain Lion offers a more connected, secure, and user-friendly environment for Mac users.

Seller

Apple

Discussions

Apple OS X Mountain Lion Community

Solution Type

All-in-One

Value at a Glance

Averages based on real user reviews.

Time to Implement

1 month

Return on Investment

19 months

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Top-Rated Alternatives

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User Insights

Average based on 222 real user reviews.

Implementation Time

1 month

Perceived Cost

$$$$$

Apple OS X Mountain Lion Integrations

(2)

Integration information sourced from real user reviews.

Apple OS X Mountain Lion Reviews FAQs

Generated using AI

Last updated: Nov 01, 2026

What is Apple OS X Mountain Lion, and what problem is it built to solve?

Apple OS X Mountain Lion is a Mac operating system that brought Mac use closer to the Apple mobile-device experience. Users describe it as helping connect Macs with iPhones and iPads through synced information, messaging, and notifications.

What company sizes and industries is Apple OS X Mountain Lion the best fit for?

Apple OS X Mountain Lion has the strongest fit with small-business and mid-market environments, with positive use also represented in larger organizations. The industries with the clearest presence include software and IT, along with education.

How long does it take to implement Apple OS X Mountain Lion across a team?

The most common reported time to go live is under one day, so implementation appears quick when the required Mac hardware and software are ready.

What customer support options does Apple OS X Mountain Lion provide, and how do users find the overall support experience?

The support experience is mixed: users describe help as useful and efficient when they reached out, while others report a less satisfying experience.

What tools and platforms does Apple OS X Mountain Lion integrate with, and how do these integrations help users get more value from the product?

Apple OS X Mountain Lion has 2 listed integrations, spanning Apple-device and workplace productivity categories.

Apple ecosystem: Apple iOS
Workplace productivity: Microsoft 365

These connections fit the product’s use as a Mac platform alongside Apple devices and familiar work tools, supporting a more connected day-to-day workflow.

What features or capabilities could make Apple OS X Mountain Lion even more useful?

The most useful improvements would address compatibility and make the system easier to keep usable on aging hardware.

Broaden compatibility with newer applications and devices to reduce friction when software or hardware changes.
Extend support for older Macs and provide ongoing security updates for systems that remain in use.
Improve performance and stability on older hardware, where slowdowns and application issues can interrupt work.

Is Apple OS X Mountain Lion considered safe and secure for handling data?

Apple OS X Mountain Lion has security controls that users valued, including safeguards around installing software. However, the operating system is no longer supported and does not receive security updates, making it a poor choice for handling sensitive data today.

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Suresh k.

Senior Software Engineer

Mid-Market (51-1000 emp.)

3/17/2022

"Apple OS X Mountain Lion"

4.5/5

What do you like best about Apple OS X Mountain Lion?

Easy to use and develop software programs and very handy. Most of useful tools supported. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

Not Major dislike. All ok with OS. Some time system got hangup, may be hardware or installed software issue. Review collected by and hosted on G2.com.

Verified User in Primary/Secondary Education

Mid-Market (51-1000 emp.)

1/6/2022

"Pretty Good, Classic"

4.5/5

What do you like best about Apple OS X Mountain Lion?

I like that it is intuitive to use-- our org has a wide level of proficiency. Too many changes can halt productivity. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

It can be tedious to customize features to your computer or find a critical operation. The search bar helps but isn't always accurate in helping. Review collected by and hosted on G2.com.

Recommendations to others considering Apple OS X Mountain Lion:

It is not the most updated iOS, but it is dependable and a classic. I recommend it to anyone, as frequent updates can really hurt certain programs. Mountain Lion has enabled me to use a software I love, Smartmusic, because the software is compatible. Review collected by and hosted on G2.com.

What problems is Apple OS X Mountain Lion solving and how is that benefiting you?

I have been asked to teach in a hybrid setting. This allows me to deliver my lesson to two modalities concurrently. Review collected by and hosted on G2.com.

Kevin P.

Teacber

Enterprise (> 1000 emp.)

4/29/2021

"Apple OS X Mountain Lion Review"

4/5

What do you like best about Apple OS X Mountain Lion?

Apple OS X Mountain Lion is very user-friendly. I have used both Apple and Windows 10, and I have to say that OS X has certain features that are unbeatable. I use airplay quite a bit, so airplay is an awesome feature (as well as overall compatibility with Apple products), and autosave enhancements have been a lifesaver for someone who creates and edits many documents. Airdrop is also a super convenient feature. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

As much as I do like the Airplay feature, it is irritating that my older devices (such as an older Apple TV) are no longer compatible with this newer operating system. Certain actions like scroll direction and resize window changes can also be frustrating. Review collected by and hosted on G2.com.

Recommendations to others considering Apple OS X Mountain Lion:

For someone trying to run a business or someone who works remotely, using this system would be ideal. Reliability, security, compatibility with other devices, and ease of use are almost unbeatable. The only issue is the price (which can be quite high compared to other operating systems), as well as incompatibility (or difficulty of compatibility) with non-apple products. Review collected by and hosted on G2.com.

What problems is Apple OS X Mountain Lion solving and how is that benefiting you?

One huge advantage is syncing between devices, which I use with my iPhone and iPad. This is very important since certain tasks are more convenient to perform on one device over another; this feature is essential. Also, relatedly, is the Airplay feature (which I already mentioned), which is very important for presentations, and also for my own entertainment. Review collected by and hosted on G2.com.

Verified User in Music

Small-Business (50 or fewer emp.)

9/8/2021

"Apple OS Mountain Lion - Good . . . But . . ."

3.5/5

What do you like best about Apple OS X Mountain Lion?

Mountain Lion was a very stable OS platform for people using media software such as Pro Tools 10.3 and early versions of Logic Pro, Final Cut Pro and photo and image editing software. Using a Mac Pro (2009-2012 'cheese grater' models) with plenty of RAM and a solid video card, Mountain Lion provided the speed and power to do most multimedia production. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

Mountain Lion got left behind when Apple's OS moved to Mavericks. Many stable programs were not fully compatible with Mavericks through to High Sierra (although there were some adventurous folks who used older software and were successful). As software multimedia programs upgraded, Mountain Lion could not support programs with the newer bells and whistles. Review collected by and hosted on G2.com.

What problems is Apple OS X Mountain Lion solving and how is that benefiting you?

I used Apple OS X Mountain Lion for many recording projects ranging from music to post-production to great success. There were few issues with Finder and programs rarely crashed. If someone has older software (such as the above stated programs) and hardware, Mountain Lion is a stable and powerful - but dated operating system. Review collected by and hosted on G2.com.

Ruth E.

Coordinator Of Volunteers

Small-Business (50 or fewer emp.)

7/30/2021

"Apple OS 10 (X) real deal"

5/5

What do you like best about Apple OS X Mountain Lion?

It is much cleaner and user friendly. Has a lot of new features for novice and expert users. The best thing is it is free to update from the old system. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

The installation can be long because it is a big file size so it can take a few hours depending on your system and internet. For me, it took 3 hours to complete the whole process. Review collected by and hosted on G2.com.

Recommendations to others considering Apple OS X Mountain Lion:

Make sure you install or update during off-peak hours, have fast Internet and lots of storage. At least the minimum that is required. Always backup your data in case something goes wrong during installation. Review collected by and hosted on G2.com.

What problems is Apple OS X Mountain Lion solving and how is that benefiting you?

No more slowness and completing tasks is much faster. The benefits I realized are that the response time is faster and smoother. Apps run much faster and no more glitches occur. Review collected by and hosted on G2.com.

Nick B.

Systems Engineer

Mid-Market (51-1000 emp.)

Originally submitted 12/14/2021

"OS X Mountain Lion"

3.5/5

What do you like best about Apple OS X Mountain Lion?

The UI improvements in OS X Mountain Lion make the OS easier to navigate. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

The response time for some of the system functions could be improved Review collected by and hosted on G2.com.

Matt D.

consultant

Mid-Market (51-1000 emp.)

1/4/2022

"IT GETS BETTER"

0.5/5

What do you like best about Apple OS X Mountain Lion?

Not Much- It has disabled a lot of apps and my VPN to the office no longer works Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

It has disabled a lot of apps and my VPN to the office no longer works Review collected by and hosted on G2.com.

Ayano J.

Project Manager

Small-Business (50 or fewer emp.)

11/26/2021

"Great optimization"

4/5

What do you like best about Apple OS X Mountain Lion?

I find the optimization of apps very useful. It is faster and cleaner than the previous version. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

There are a lot of extra updates to add-on, but overall there is not much that I can complain about. Review collected by and hosted on G2.com.

Verified User in Construction

Small-Business (50 or fewer emp.)

4/6/2022

"Good OS"

2.5/5

What do you like best about Apple OS X Mountain Lion?

An older operating system but stable and full of features Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

App compatibility in 2022 is sparse at best. Review collected by and hosted on G2.com.

JeriBeth S.

Freelance Web Developer

Information Technology and Services

Mid-Market (51-1000 emp.)

11/23/2021

"OSX Mountain Lion is roaring"

5/5

What do you like best about Apple OS X Mountain Lion?

The OS is stable and supports older programs like Microsoft, Adobe, and others that now require a subscription. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

Some glitches such as programs crashing when using software before a patch or update was released to fix the issue. Review collected by and hosted on G2.com.