When comparing iTerm2 vs Tower, the Slant community recommends iTerm2 for most people. In the question“What are the best developer tools for Mac OSX?” iTerm2 is ranked 2nd while Tower is ranked 7th. The most important reason people chose iTerm2 is:
Other than being able to customize the various shortcuts, iTerm2 also lets you customize the colorscheme, font, transparency, etc.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Extremely customizable
Other than being able to customize the various shortcuts, iTerm2 also lets you customize the colorscheme, font, transparency, etc.
Pro Autocomplete is built-in
iTerm has autocomplete features built in. It remembers your past commands and when you are writing something on the terminal, simply pressing Control-;
it will show you a drop down menu of suggestions from which to choose.
Pro Complete out of the box
Unlike most terminal emulators, iTerm2 comes with a pretty complete set of features. It has built-in search, autocompletion, tabbed navigation, Growl support and even a built-in clipboard manager for various API keys and such.
Pro Fine tuning for fonts
It's possible to choose a font and adjust vertical and horizontal spacing.
Pro Can immediately open files inside a text editor
You can Ctrl+Click on a file path to open said file in a text editor.
Pro Supports mouse actions
Has support for mouse actions like clicking, dragging, selecting, etc.
Pro Active maintainers
Issues resolved fast by quality contributors.
Pro Works well with powerline fonts
Pro Completely free and open source
iTerm2 is completely free and open source. It's released under the GPLv2 license.
Pro Split panes
Easy to split panes to either horizontal or vertical sections. Makes it easy to observe multiple console windows.
Pro Supported by many applications as a terminal app selection
If an application has terminal integration, there is high probability it allows iTerm2 to be selected.
Pro Intuitive
Pro Cmd+Shift+I to Input all
Wanna SSH your server from multiple tabs, here you go.
Pro You only need to type in commands once
iTerm2 can store up to 4M of history of commands you already used. This, coupled with the built-in search features makes it possible to type a command only once and then search for it through the history for subsequent uses.
Pro Works perfect with Oh My Zsh
It's a perfect base to add Oh My Zsh on top of it and enjoy a lot of themes and a really pleasant look and feel.
Pro Works well with tmux
The great mouse and clipboard support that are built-in go really well with tmux.
Pro Any key can be mapped to any function
Using the Preferences Menu you can set up hotkeys to map virtually any action you can think of to a single key or a combination of them. This is extremely helpful as it allows you to use shortcuts to edit commands you are typing in the terminal and while most terminal emulators have shortcuts for this sort of thing, few of them let you define your own.
Pro GPU-rendered, blazing fast and super smooth
Many people say they use Kitty or Alacritty because they are GPU-rendered. That was true a long time ago. But iTerm2 has been GPU rendered for years now. It's so fast and smooth that you soon forget you are in a terminal.
Pro Beautiful, minimalistic and elegant UI
It's super-clean and during use it gets completely out of the way, it's a beautiful canvas for your terminal work, a pure joy that never gets old.
Pro Can be configured as a drop-down terminal
Can be configured to work as a drop down terminal like Quake.
Pro Cmd+D to split plane vertically
Very handy to use multi-tab.
Pro Pretty, modern-looking user interface
Tower has a good-looking interface and consists of 3 main views - services, repositories and repository.
Services view for managing integrations with hosting services like GitHub, Bitbucket and Beanstalk.
Repositories view for organizing local and remote repositories into folders and getting general overview about them.
Repo view that consists of two main subviews:
Working copy view shows modified files and their diff and allows wrapping up changes in a commit.
History shows commits alongside metadata and projects file structure.
Additionally, it allows performing various tasks such as merging branches via drag & drop, search allows searching by message, commit hash, author, committer and file and there's a quick open that allows fuzzy-searching for folder names.
Pro Offers a visual way to solve conflicts
Tower shows conflicting files, their authors and the commit that made changes. It then allows selecting which files should be used in the final result.
Pro Github integration
Pro Very polished user interface
Pro Cherry-Picking via drag and drop
Pro Git LFS
Tower comes with built-in support for Git LFS. Handy when working with large files.
Pro Git-flow integration
Git-flow provide a consistent development process by defining a strict branching model that is great for managing large projects. T2 allows setting up and integrating into repos that follow this model.
Pro The UI only shows the needed commands at a time
Tower covers most of the daily tasks that a developer may need to complete. It shows only what you need for the most common tasks without overwhelming the user.
Pro Free for students
If you are a student, you can get your free Tower Pro license here.
Pro Interactive Rebase via Drag and Drop
Pro Undo Support
Many Git actions can be undone in Tower simply by using the keyboard shortcut CMD+Z. Examples: Deleting branches and files, staging changes, rebasing & merging branches, or publishing a branch on a remote
Pro GPG support
Tower offers user profiles. You can then connect GPG keys with your profiles, sign commits and see which commits have been signed and by who.
Cons
Con Keycodes are not passed through following Linux standards
If you come from a Linux terminal emulator (Gnome Terminal, Konsole...) and you rely on key-combos that are widely supported in those, porting the same functionality to iTerm is possible but will require a lot of research and configuration on your part, so account for a long painful adoption period.
Con Not quite as fast as Alacritty or Kitty
Comparing these 3 terminals on the same machine/config, iTerm stands out as the slowest of the bunch. The difference may not be noticeable to all users.
Con Way too many menu items and settings
Finding the right one is like searching for a needle in a haystack.
Con Doesn't support Snow Leopard 10.6.8
Some people still use Snow Leopard or other 32-bit systems.
Con Doesn't support RTL
Con Not free/libre
This application is proprietary, and thus cannot be modified or freely distributed.
Con Expensive
Costs $69 per year!
Con Inefficient UI
In order to not overwhelm the users with information, much of the information is either hidden by default or requires navigating to a different section to access.
Con Doesn't have a built in diff
Con Stability issues on Windows
On a simple repository, the UI often lags or freezes.