diff --git a/.gitignore b/.gitignore
index 48fb168..85cedcc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,17 +1,7 @@
-# See https://help.github.com/articles/ignoring-files for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile '~/.gitignore_global'
-
-# Ignore bundler config.
+/coverage
 /.bundle
-
-# Ignore all logfiles and tempfiles.
 /log/*
 /tmp/*
 !/log/.keep
 !/tmp/.keep
-
-# Ignore Byebug command history file.
 .byebug_history
diff --git a/.simplecov b/.simplecov
new file mode 100644
index 0000000..82db613
--- /dev/null
+++ b/.simplecov
@@ -0,0 +1,6 @@
+SimpleCov.start 'rails' do
+  add_filter '/app/channels/'
+  add_filter '/app/mailers/'
+  add_filter '/app/helpers/'
+  add_filter '/app/jobs/'
+end
diff --git a/Gemfile b/Gemfile
index 347b15d..006ba3f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,6 +40,7 @@ group :test do
   gem 'launchy'
   gem 'selenium-webdriver'
   gem 'shoulda-matchers'
+  gem 'simplecov', require: false
 end
 
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
diff --git a/Gemfile.lock b/Gemfile.lock
index 871d499..ba769ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,6 +75,7 @@ GEM
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.3)
+    docile (1.1.5)
     equalizer (0.0.11)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -112,6 +113,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    json (2.0.3)
     launchy (2.4.3)
       addressable (~> 2.3)
     listen (3.0.8)
@@ -224,6 +226,11 @@ GEM
     shellany (0.0.1)
     shoulda-matchers (3.1.1)
       activesupport (>= 4.0.0)
+    simplecov (0.12.0)
+      docile (~> 1.1.0)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.0)
     slim (3.0.7)
       temple (~> 0.7.6)
       tilt (>= 1.3.3, < 2.1)
@@ -298,6 +305,7 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   selenium-webdriver
   shoulda-matchers
+  simplecov
   slim-rails
   spring
   spring-watcher-listen (~> 2.0.0)
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 6df5679..d7c2634 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -7,7 +7,7 @@
 require 'rspec/rails'
 
 # Add additional requires below this line. Rails is not loaded until this point!
-
+require 'simplecov'
 Dir[Rails.root.join('spec', 'support**', '*.rb')].each { |f| require f }
 
 ActiveRecord::Migration.maintain_test_schema!