--- 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 **Vendor:** Apple **Category:** [Operating Systems](https://www.g2.com/categories/operating-system) **Average Rating:** 4.2/5.0 **Total Reviews:** 221 ## About Apple OS X Mountain Lion 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. ## Apple OS X Mountain Lion Pros & Cons **What users like:** - Users love the **ease of use** of Apple OS X Mountain Lion, facilitating a quick and efficient task completion. (6 reviews) - Users admire the **fast performance** of Apple OS X Mountain Lion, praising its swift startup and smooth multitasking. (5 reviews) - Users love the **integration of iOS apps** in OS X Mountain Lion, enhancing usability and connectivity on Mac. (4 reviews) - Users find Apple OS X Mountain Lion to be **exceptionally user-friendly** , enabling easy task completion without complications. (4 reviews) - Users appreciate the **seamless compatibility** of OS X Mountain Lion, enhancing their experience across devices with iOS integration. (2 reviews) - Users find the **easy installation** of Apple OS X Mountain Lion enhances their overall upgrade experience significantly. (2 reviews) - Powerful Features (2 reviews) - Users value the **regular updates** of OS X Mountain Lion, enhancing security and performance consistently over time. (2 reviews) - App Ecosystem (1 reviews) - Users appreciate the **seamless integration with iCloud** in Apple OS X Mountain Lion for easy file syncing across devices. (1 reviews) **What users dislike:** - Users face **compatibility issues** with various apps and programs, leading to frustration and the need for workarounds. (4 reviews) - Users face **installation difficulties** due to issues like disk partitioning problems and missing App Store access. (2 reviews) - Users are frustrated with the **limited app store** restrictions, hindering installation of necessary software on OS X Mountain Lion. (2 reviews) - Users face **OS incompatibility** issues with some apps, leading to disappointment despite the other improvements in Mountain Lion. (2 reviews) - Users report **performance issues** , particularly slowdowns on older hardware, affecting their overall experience with Mountain Lion. (2 reviews) - Users face **compatibility issues with music programs** after the update, requiring re-downloading for functionality. (1 reviews) - Users note the **hardware cutoff and iCloud issues** of OS X Mountain Lion, limiting upgrade options and reliability. (1 reviews) - Cloud Limitations (1 reviews) - Connectivity Issues (1 reviews) - Users are frustrated by the **hardware limitations** that prevent upgrading older, still-functional Macs to Mountain Lion. (1 reviews) ## Apple OS X Mountain Lion Discussions - [Is OS X Mountain Lion free?](https://www.g2.com/discussions/is-os-x-mountain-lion-free) - 1 comment, 1 upvote - [better this app is updated to increase capacity](https://www.g2.com/discussions/42281-better-this-app-is-updated-to-increase-capacity) - 1 comment, 1 upvote - [What is Apple OS X Mountain Lion used for?](https://www.g2.com/discussions/what-is-apple-os-x-mountain-lion-used-for) - 2 comments - [What's after Mac OS X Mountain Lion?](https://www.g2.com/discussions/what-s-after-mac-os-x-mountain-lion) - 1 comment - [Is Mountain Lion still supported by Apple?](https://www.g2.com/discussions/is-mountain-lion-still-supported-by-apple) - 1 comment - [View Apple OS X Mountain Lion pricing details and edition comparison](https://www.g2.com/products/apple-os-x-mountain-lion/reviews?page=17§ion=pricing&secure%5Bexpires_at%5D=2026-08-12+10%3A59%3A44+-0500&secure%5Bsession_id%5D=0038a544-5cff-4014-8924-b2f15c90707d&secure%5Btoken%5D=ad163c1175c587f1689c7e4672aed0929d246cd340e089a529113a35c49fd618&format=llm_user) ## Apple OS X Mountain Lion Integrations - [Apple iOS](https://www.g2.com/products/apple-ios/reviews) - [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) ## Apple OS X Mountain Lion Features **Memory Management - Operating System** - RAM management - App Management - File Management **Device Management - Operating System** - I/O management **Backup and Recovery - Operating System** - Data backup **Error Detection - Operating System** - System operations monitoring **Additional Functionality** - Generative AI - Data Security - User Interface - Resource Allocation - System Updates - For Developers - AI Copilot - Desktop Interface ## Top Apple OS X Mountain Lion Alternatives - [Windows 7](https://www.g2.com/products/windows-7/reviews) - 4.2/5.0 (873 reviews) - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) - 4.5/5.0 (2,346 reviews) - [Windows 8](https://www.g2.com/products/windows-8/reviews) - 3.7/5.0 (556 reviews)