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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Leonora M.

CyberSecurity Consultant

Small-Business (50 or fewer emp.)

10/31/2025

"Fast, User-Friendly Software with Easy Uninstall—Partitioning Needs Improvement"

2.5/5

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

The software is quick and user-friendly, making it a pleasure to use. I also appreciate how simple it is to uninstall when needed. Review collected by and hosted on G2.com.

What do you dislike about Apple OS X Mountain Lion?

I encountered an issue with the disk partitioning process. Review collected by and hosted on G2.com.

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.

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.

Verified User in Computer Software

Small-Business (50 or fewer emp.)

9/24/2025

"Very good experience, very good the graphic"

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 functionality well. Sometimes the performance is not so good. Review collected by and hosted on G2.com.

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.

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.

Verified User in Medical Devices

Mid-Market (51-1000 emp.)

Originally submitted 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.

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.

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.

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.