--- title: Apple OS X Mountain Lion Reviews meta\_title: 'Apple OS X Mountain Lion Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 221 reviews by the users' company size, role or industry to find out how Apple OS X Mountain Lion works for a business like yours. aggregate\_rating: rating\_value: 4.2 review\_count: 221 scale: '5' date\_modified: '2026-08-09' parent\_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure --- # Apple OS X Mountain Lion Reviews & Product Details 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](https://www.g2.com/sellers/apple) Discussions [Apple OS X Mountain Lion Community](https://www.g2.com/products/apple-os-x-mountain-lion/discuss) Solution Type All-in-One Show More ## Value at a Glance Averages based on real user reviews. ### Time to Implement 1 month ### Return on Investment 19 months [ View More Pricing Information ](https://www.g2.com/products/apple-os-x-mountain-lion/pricing) ## Top-Rated Alternatives [ ![Windows 7](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Windows 7") Windows 7 4.2/5(903) ](https://www.g2.com/products/windows-7/reviews) [ ![Ubuntu](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ubuntu") Ubuntu 4.5/5(2,399) ](https://www.g2.com/products/ubuntu/reviews) [ ![Windows 8](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Windows 8") Windows 8 3.7/5(583) ](https://www.g2.com/products/windows-8/reviews) [ View All Alternatives ](https://www.g2.com/products/apple-os-x-mountain-lion/competitors/alternatives) ## User Insights Average based on 221 real user reviews. Implementation Time 1 month Perceived Cost $$$$$ [Log in to unlock pricing and user insights](/login) ## Apple OS X Mountain Lion Integrations (2) What do users say about integrations? Integration information sourced from real user reviews. [ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Apple iOS ](https://www.g2.com/products/apple-ios/reviews)[ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Microsoft 365 ](https://www.g2.com/products/microsoft365/reviews) Show More ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") UI Verified User in Information Technology and Services Small-Business (50 or fewer emp.) 10/18/2023 "Best OS in its time" 5/5 What do you like best about Apple OS X Mountain Lion? I loved the UI graphics the most. It is a shame that Apple has faded out that look and feel. The system was well built, stable, virus free, powerful and easy to use. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? There was not much to dislike on Mountain Lion. It was very complete for the Apple eco system at the time. As they continued on sunetting backwards compatibility, I kept yearning for the nostalgic 90s. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Mountain Lion was my main OS of my Macintosh desktops and laptops. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Dheeraj D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Dheeraj D.") DD Dheeraj D. Module Lead Software Engineer Enterprise (\> 1000 emp.) 6/7/2023 "Mountain lion is a nice macos with great features" 4/5 What do you like best about Apple OS X Mountain Lion? Being an iOS developer I like its notification and messages functionality which is more like a Mobile experience. For software outside of app store it give an option to choose from only app store or download any other. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? There are not much downsides but I felt that auto save feature sometimes creates confusion for the file location. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? - It has great notification center where I need to drag two fingers to see the list of all notification it is really helpful. - Improved iMessges to support images as well. It seems like it overall improved the boot time of my mac. - Great Xcode running experience. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite SM Shawn M. Owner, Marketer, Graphic Artist Small-Business (50 or fewer emp.) 6/6/2023 Business partner of the seller or seller's competitor, not included in G2 scores. "Mountain Lion was a great OS, but that was years ago" 4/5 What do you like best about Apple OS X Mountain Lion? Each new version of Apple's OS makes improvements on past versions and Mountain Lion was no exception to this rule. Lots of great new features (at the time). Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Anymore, the only problem with it is that it's completely outdated. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Currently, it's not solving any problems because the software was retired years ago. Review collected by and hosted on G2.com. Show More 9/19/2023 Validated ReviewerIncentivizedSource: G2 invite ![Pearce M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pearce M.") PM Pearce M. Associate Director - User Services Mid-Market (51-1000 emp.) 10/19/2023 "Easy to use, very stable" 5/5 What do you like best about Apple OS X Mountain Lion? It just worked! No issues or bugs! Also the update was minimal in effort. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Nothing! Everything just works! This update was a can't-miss! Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? It ensured my system was up to date. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Computer Networking](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Networking") UC Verified User in Computer Networking Small-Business (50 or fewer emp.) 8/10/2023 "Mountain Lion Review" 3.5/5 What do you like best about Apple OS X Mountain Lion? The 3 things I would say I liked the best about Apple OS X Mountain Lion is: 1) iCloud Integration 2) Messages 3) AirPlay Mirroring Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? The three things that disappointed me with Apple OS X Mountain Lion are: 1) Lack of compatability 2) Limited Siri Integration 3) Removal of Rosetta Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Apple OS X Mountain Lion brought forward some great tools that greatly helped improve productivity and efficiency within businesses and education. Allowing people to have one platform for many different things including iMessage and several other iCloud synchronizations. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Michael R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Michael R.") MR Michael R. Adjunct Professor Enterprise (\> 1000 emp.) 9/12/2023 "Best operating system, period" 4/5 What do you like best about Apple OS X Mountain Lion? Beautiful user interface, features that "just work," integration with Apple hardware Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Cannot run it without Apple hardware, high cost of 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? Daily work tasks, i.e. spreadsheets, emails, Word documents, speaking with colleagues Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Nilay L.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Nilay L.") NL Nilay L. Freelancer Fulltime Small-Business (50 or fewer emp.) 7/8/2023 "great user interface and useful option for any type of user" 5/5 What do you like best about Apple OS X Mountain Lion? I like the interface and performance of the OS. there are lot's of useful option are provided in Finder for searching and tagging documets. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Installing Java Development Kit or any other development related libraries is a but complex. also it do not support NTFS file system. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? I can develop mobile apps for iOS platform via Xcode software which is not possible without this. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Harry R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Harry R.") HR Harry R. Small-Business (50 or fewer emp.) 6/6/2023 "I switched from this OS a fair while ago but it was great at the time" 3/5 What do you like best about Apple OS X Mountain Lion? As with all Apple operating system version they cater very nicely to the creative who doesn't want to get their hands dirty. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? A lack of control of what can and can't be done in the operating system but this is prevalent with all Apple OS's Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? It allowed me to interface with all of my work tools and most of my leisure ones as well Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Real Estate](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Real Estate") UR Verified User in Real Estate Small-Business (50 or fewer emp.) 8/11/2023 "Best Mac Operating System" 5/5 What do you like best about Apple OS X Mountain Lion? Its the fastest operating system for me no lag issues Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? its old so you need to update the operating system. it needs to be automatic Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? the automatic update. its old so you need to update it Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") UC Verified User in Computer Software Small-Business (50 or fewer emp.) 6/7/2023 "I'm a big fan of apple and their products." 5/5 What do you like best about Apple OS X Mountain Lion? More refined UX & Intuitive new features. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? There are no downsides as far as im concerned. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? The most up do date Mac operating system. Including refined classic apple features. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ## Questions about Apple OS X Mountain Lion? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about Apple OS X Mountain Lion ](https://www.g2.com/products/apple-os-x-mountain-lion/discussions/new) GU Guest User • Last activity over 2 years ago Is OS X Mountain Lion free? 1 Upvote 1 [ Join the conversation ](https://www.g2.com/discussions/is-os-x-mountain-lion-free) ![Abdillah Z.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Abdillah Z.") AZ Abdillah Zarkasy • Last activity over 5 years ago better this app is updated to increase capacity 1 Upvote 1 [ Join the conversation ](https://www.g2.com/discussions/42281-better-this-app-is-updated-to-increase-capacity) [ View all Discussions ](https://www.g2.com/products/apple-os-x-mountain-lion/discuss) ## Pricing Insights Averages based on real user reviews. ### Time to Implement 1 month ### Return on Investment 19 months ### Perceived Cost $$$$$ [ View More Pricing Information ](https://www.g2.com/products/apple-os-x-mountain-lion/pricing) Apple OS X Mountain Lion Comparisons ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_fb03e3ee10eb2580ca8fc8a37cd589c7/apple-macos-sierra.jpeg "Product Avatar Image") macOS Sierra 4.5/5(484) [ Compare Now ](https://www.g2.com/compare/apple-os-x-mountain-lion-vs-apple-macos-sierra) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_ee59f4628496af6c043b6fc02782c7d7/apple-os-x-el-capitan.jpg "Product Avatar Image") OS X El Capitan 4.4/5(265) [ Compare Now ](https://www.g2.com/compare/apple-os-x-el-capitan-vs-apple-os-x-mountain-lion) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_bed616139052a54ed9edfb8911a5b7bc/windows-7.png "Product Avatar Image") Windows 7 4.2/5(903) [ Compare Now ](https://www.g2.com/compare/apple-os-x-mountain-lion-vs-windows-7) ##### ##### Apple OS X Mountain Lion Features Memory Management - Operating System RAM management Device Management - Operating System I/O management Backup and Recovery - Operating System Data backup Error Detection - Operating System System operations monitoring [ View More Features ](https://www.g2.com/products/apple-os-x-mountain-lion/features) ## Work at Apple? 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