When comparing Logic Pro X vs n-Track 8, the Slant community recommends Logic Pro X for most people. In the question“What are the best DAWs?” Logic Pro X is ranked 6th while n-Track 8 is ranked 35th. The most important reason people chose Logic Pro X is:
Good range of high quality synths: analog, FM, wavetable, string modulation, sampler, organ, clarinet, epiano.
Specs
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Pros

Pro High quality instruments and effects
Good range of high quality synths: analog, FM, wavetable, string modulation, sampler, organ, clarinet, epiano.
Pro Comes with 57gb content
The initial download of Logic Pro X gives users 2gb of samples, but the DAW automatically downloads 57gb of samples once the Logic Pro X DAW is installed.
Pro Free update from Logic
As of 1/21/2015, Apple has released an update that allows users to upgrade from Logic to Logic Pro X.
Pro Cheaper than similar programs
This program costs US$200 and must be bought from the app store.
Pro UI designed for ease of use
The Logic Pro X DAW has made an effort to keep clutter out of the equation so producers can focus on the music.
Pro Allows users to program their own tools
The Logic Pro X DAW lets users make their own effects using with javascript leveraging its Scripter API.
Pro Free corresponding iPad app
In order to allow more control, the Logic Pro X DAW has added a free iPad app called Logic Remote.
Logic Remote is available in several different views, and is capable of MIDI input and parameter adjustment. It comes with a full library and browser. Navigation is easy as well via the navigation bar along the top of the screen.
Many interesting views are available, such as chord strips. This view allows users to play a series of preset chords that are already in the right key. Gestures are supported with this app, so loop speed and other properties can quickly be adjusted.
This app connects to Logic through WiFi, so the app and program should be running on the same network.
Pro Studio standard
If you take music production seriously then one day maybe you'll enter professional studio, where you will most likely find the Logic DAW along with Pro Tools.
Pro Supports expressive MIDI - MPE
Works with new controllers like Seaboard Rise, Linnstrument, Continuum Board, etc.
Pro Uses minimum amount of CPU
The Logic Pro X DAW is optimized for CPU usage, which makes the DAW more stable.
Pro Full external MIDI support
Poly aftertouch, sysex and two modes of controlling external midi instruments.
Pro Easy to learn, makes writing easy, and keeps technical in the background
It is easy, intuitive, and easy-to-implement.
Pro Used by celebrities
This includes: Prodigy - Invaders Must Die (everything except guitars), John Powell - How to train your dragon, other works, and Tycho (until 2011 when he switched to Reaper to finish his album).
Pro Does a lot of work for you
Switch in to Alchemy on the synth and you get an intuitive template to adjust wavetables and eq visually, plus various modes and styles. Handy tool
Pro A step-sequencer composition mode
Pro Cross-platform
Compatible with Windows, Mac, iOS, and Android devices.
Pro Low CPU usage and light installer
Pro Clear and nice interface
Pro You can share projects with mobile versions
There are Android and iOS versions of this DAW, which allows for composing and playing on the go.
Pro Affordable price
Pro Supports all major plugin formats
Vst, Vst3 and AU.
Cons
Con Only compatible with Mac
No Windows or Linux versions are available.
Con It is next to impossible to organize your mixer channels
There are lots of work arounds, but a straight rearrange the mixing channel would be appreciated.
Con Lags or crashes often
This happens usually when there is a lot going on in the track.
Con Unusable with lots of plugins: stutters and clicks
Con No support for 32-bit plugins without 3rd Party Plugin 32 Lives
Con Rarely updated
Since Apple purchased this software, the updates are rare and none. The latest update was less than great and has forced users to look elsewhere, especially the Pro community.
Con Very buggy
Con Poor audio editor
Audio editor is a lot less intuitive and accessible than other DAWs
Con Unreliable effects
When three or more effects are applied, their parameters behave sporadically.