When comparing Pulse vs QKSMS, the Slant community recommends QKSMS for most people. In the question“What are the best SMS apps for Android?” QKSMS is ranked 5th while Pulse is ranked 14th. The most important reason people chose QKSMS is:
When a new sms is received, a window will pop up that has the message and allows answering it from there, without having to open the app. It can be dismissed by tapping anywhere else on the screen.
Specs
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Pros
Pro Syncs with LinkedIn to deliver content from chanels you follow and people in your network
Unlike other readers, Pulse allows users to follow LinkedIn influencers on top of blogs and publications
Pro Allows integration with more social feeds than similar apps
In addition to letting you pull from Facebook and Twitter, Pulse lets users add feeds from YouTube and Digg.com.
Pro Syncs with Pocket, Evernote, Instapaper, and Readability
What you follow and save on Pulse can become available on Pocket, Evernote, Instapaper, and Readability.
Pro Works without internet
When connected to WiFi, pulse downloads articles so you can read them when you are on the go.
Pro Fits more on the screen than similar readers
With Pulse, every pixel on the screen seems to be utilized. Depending on your preferences, this can be a good thing or a bad thing. While some users want a screen packed full of information, others have found it overwhelming.
Pro Allows responding to SMS without opening the app
When a new sms is received, a window will pop up that has the message and allows answering it from there, without having to open the app. It can be dismissed by tapping anywhere else on the screen.

Pro Per-conversation notification settings
Users can set different notification settings per user as an easy way to know who is messaging without having to look at the actual message.

Pro Easily communicate with groups
Users can communicate with large groups at the same time due to the included group messaging feature. This is convenient when trying to synchronize with friends or colleagues.
Pro Very active developer who listens to the community
While QKSMS is one of the younger apps, the developer is quickly adding features/fixing bugs.
Pro Free
The app is available for free with an optional donation IAP that ranges from $1-$10.
Pro Beautiful design
Responsive, highly customizable Material Design interface makes for a native looking app that fits in well with Google's UI design guidelines.

Pro Save yourself from sending out bad messages
Through delayed messaging one can set it up so that a message is not sent automatically. This can help for those times that it may be best to think something over before sending out a rash message.
Pro Readable in day or night due to themes
There are light and dark themes available within the settings which can be switched depending on how light it is around one when using the app. The dark theme can also help to conserve battery when being used as not as much brightness and hence battery will be used.
Pro Schedule messages
Users can schedule messages to be sent for later.

Pro Convenient Android Wear support
Those that own an Android Wear device will be able to set it to receive their messages on the Android Wear device making for convenient notifications and easy messaging through not having to take their phone out.
Cons
Con Forces users to login with LinkedIn
Many users don't want or need a LinkedIn account. In order to use Pulse, they must create a LinkedIn account. This has made many people unhappy because it blurs the line between their personal and professional lives.
Con More bulky and less accessible after most recent update
Pulse's reviews are littered with unhappy users after their most recent update. Many users are reporting that the new layout is too busy or too bulky.
Con Unstable
Some users have reported that Pulse has started to crash after its most recent update.
Con Easy to accidently exit from
Con Last update was 2021
Con Buggy
There are little annoyances here and there, from dark theme problems making text unreadable to crashing and missing notifications.
Con Lacks features compared to other offerings
