--- 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.) 4/16/2025 "OS X Mountain lion go links" 5/5 What do you like best about Apple OS X Mountain Lion? user experience Notification Center - A centralized system for managing alerts and notifications from apps iCloud integration - Deeper integration with Apple's cloud services Messages app - Replaced iChat and brought iMessage functionality to Mac AirPlay Mirroring - Ability to wirelessly stream Mac content to Apple TV Dictation - System-wide voice-to-text functionality Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Gatekeeper restrictions - Default security settings limited non-App Store software installation Performance issues - Some users experienced slowdowns, especially on older hardware Battery life problems - Many reported decreased battery life after upgrading Compatibility issues - Some older applications didn't work properly Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Gatekeeper restrictions - Default security settings limited non-App Store software installation Performance issues - Some users experienced slowdowns, especially on older hardware Battery life problems - Many reported decreased battery life after upgrading Compatibility issues - Some older applications didn't work properly Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Charan R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Charan R.") CR Charan R. Associate Data Scientist Enterprise (\> 1000 emp.) 8/29/2025 "Review Apple OS X Mountain Lion" 4.5/5 What do you like best about Apple OS X Mountain Lion? The Mountain Lion version of apple OS has very good ICloud integration with improved performance compared to other versions Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? there are compatibility issues for a few appy which could be dissappointing . the later versions of the macos are slightly better ffeatures Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? New features like Notification center is good. 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.) 9/24/2025 "Very good expirience, very good the grafiphic" 4/5 What do you like best about Apple OS X Mountain Lion? OS X Mountain Lion for bringing the integrated, familiar experience of iOS to the Mac, with key features like Notification Center, which centralized alerts, and iCloud integration, which synced files and messages across devices. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? You need to have always access to cloud to use all the funtionality well. Sometime the performance are not soo godd Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? I use mac only as normal user i'm not a businness user Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![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.) 11/4/2025 "Effortlessly Easy to Use" 3.5/5 What do you like best about Apple OS X Mountain Lion? It is easy to use. It is light weight and doesnt affect application performance. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Needed spend hours on learning and working with it. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? solved problems with Mac integration with Apple's iOS devices and system security and user experience Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic UM Umberto M. IT technician Small-Business (50 or fewer emp.) 9/9/2025 "Fantastic OS" 4/5 What do you like best about Apple OS X Mountain Lion? Is very simply and clear to use. Very fast when you start it. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Many time block it but if restart the system is all ok. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Nothing Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Medical Devices](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Medical Devices") UM Verified User in Medical Devices Mid-Market (51-1000 emp.) 9/23/2025 "Apple" 2.5/5 What do you like best about Apple OS X Mountain Lion? Never heard of it before. And can not comment on it Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? I do not know this device. I am unaware of the dislikes Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? I need more information to assess it. Review collected by and hosted on G2.com. Show More 10/2/2025 Validated ReviewerIncentivizedSource: G2 invite ![Jasjit V.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jasjit V.") JV Jasjit V. System administrator Small-Business (50 or fewer emp.) 2/3/2025 "MacOSX Mountain Loin" 4.5/5 What do you like best about Apple OS X Mountain Lion? The graphical user interface of MacosX Mountainlion is easy to use and security features make it secure OS. installation can be done easily if one is upgrading from snowlepoard. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? App store is missing and new apps cannot be nstalled. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Internet access is easy using the macOsx inbult browser named Safari. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Lucas G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Lucas G.") LG Lucas G. Business Developer Small-Business (50 or fewer emp.) 3/3/2025 "Super fluid, no pain points" 5/5 What do you like best about Apple OS X Mountain Lion? It makes my experience way more easier, I find it way more efficient than the previous OS version Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Nothing to complain at the moment, I can't underline problems. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? No specific problem expect maybe little lags on the previous version Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Kahin W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kahin W.") KW Kahin W. Crypto Trader Small-Business (50 or fewer emp.) 9/20/2024 "Apple OS X Mountain Lion: Smooth Performance and Enhanced Features" 5/5 What do you like best about Apple OS X Mountain Lion? What I like best about Apple OS X Mountain Lion is its seamless integration with iCloud, making it easy to sync and access files across all Apple devices, along with improved system performance and smooth multitasking capabilities. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? Only how the OS is not compatiable with some softwares. 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 solves the problem of cross-device file management and communication by integrating iCloud, Messages, and Notification Center seamlessly across Apple devices. This benefits me by keeping all my files, messages, and notifications synced in real-time, saving time and making it more efficient to stay organized and connected without needing third-party apps or services. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Keith S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Keith S.") KS Keith S. Project Manager Small-Business (50 or fewer emp.) 2/16/2024 "Everything You Would Expect from Apple" 5/5 What do you like best about Apple OS X Mountain Lion? I love the easy navigation and usability of the software. I have been an apple user for over 20 years and have watched their software become more and more refined. Apple OS X Mountain Lion is everything that I expect from Apple software. It seemlessly connects to all of my other apple devices. I've also had very good experience with contacting their customer support when I had questions. Review collected by and hosted on G2.com. What do you dislike about Apple OS X Mountain Lion? The only thing I disliked is that it made my laptop run a little slower. I have an old macbook pro and it isn't quit powerful enough to run the software at its fullest potential. Review collected by and hosted on G2.com. What problems is Apple OS X Mountain Lion solving and how is that benefiting you? Without Apple OS X Mountain Lion, my computer would not have an operating software. It allows me to use my laptop. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ## 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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